Assessments Explained
Understand assessment changes, valuation methods, property records, and common assessor adjustments.
170 articles in this topic
Property tax explained: how it's set and how to appeal it
Property tax bills jumped nationwide again this year. Here's how assessments work, real deadline data, and how to appeal without giving up 30-50% to a firm.
DeKalb County tax assessor: how assessments work and how to appeal
DeKalb County property assessments, appeal deadlines, exemptions, and step-by-step DIY appeal guidance. Appeal window is 45 days from your notice. Act fast.
Bexar county property taxes: rates, assessments, and how to appeal
Bexar County property tax rate averages 2.3 to 2.5% of assessed value. Learn how BCAD assesses homes, all exemptions, appeal deadlines, and how to fight back yourself.
OC property tax: how Orange County assessments work and how to appeal
Orange County CA property tax is capped at 1% base rate under Prop 13, but your bill can still be wrong. Learn how assessments work, deadlines, and how to appeal.
What the tax assessor's office actually does (and how to use it)
Your county tax assessor's office sets your property value and handles exemptions. Learn what they do, what records they hold, and how to use them to appeal.
Property tax definition: what it is, how it works, and what you owe
Property tax is an annual levy on real estate value. Learn how assessments, rates, and exemptions determine your bill, and what to do if yours is too high.
Property tax lookup: how to find your assessment, bill, and payment history
Find your property tax assessment, bill, and payment history in any county. Step-by-step lookup guide for Sacramento, Shelby, Will County, and beyond. Free tools.
Property tax records: how to find, read, and use them to appeal
Learn how to access property tax records online or in person, decode assessment data, and use comp records to cut your tax bill. Real sources, real steps.
What is the mill rate and how does it determine your property tax bill?
Mill rate is the dollars of tax per $1,000 of assessed value. Learn how it's set, why it changes yearly, and how to check your own tax bill with the formula.
How to look up taxes on a property (any county, any state)
Find the exact property tax on any home in minutes. This guide shows every free lookup tool, what the numbers mean, and how to spot an overassessment.
Property tax search: find your assessment and fight back
Learn how to find your property tax assessment online, read the numbers correctly, and file your own appeal in Maryland, Colorado, and beyond. Free DIY guidance.
Assessed value vs appraised value: what actually differs and why it matters for your tax bill
Assessed value and appraised value are not the same number. Learn how each is calculated, how the gap affects your property tax bill, and when to challenge either.
How to figure out your property tax: a step-by-step guide
Learn exactly how property tax is calculated, how to find your bill, and how to check what you paid, in under 10 minutes, no accountant needed.
Assessed value of property: what it is and how to find yours
Assessed value is what your county uses to calculate your property tax bill. Learn how it's set, how to find it online, and how to fight a number that's too high.
Property assessment value explained: what it is and how to lower it
Your property assessment value determines your tax bill. Learn how assessors calculate it, where errors hide, and how to appeal without hiring a contingency firm.
How to determine property tax: a step-by-step guide
Learn exactly how property tax is calculated, from assessed value to mill rates. Includes a formula, state rate comparison, and how to check if your bill is wrong.
Annual property tax calculator: how to estimate what you owe
Learn how annual property tax calculators work, what inputs they need, and how to use your estimate to spot an over-assessment and appeal. Includes NC and VA examples.
Mill rate explained: how your property tax bill is actually calculated
Mill rate (millage) determines how much property tax you owe. Learn how it's set, why it changes, and how to use it to catch assessment errors. 140 chars.
How property taxes are calculated: the complete guide
Learn exactly how property taxes are calculated, from assessed value to effective tax rate. Includes California rules, Prop 13, and how to spot overcharges.
How to find your property tax bill, amount, and assessment
Find your property tax in 3 minutes using your county assessor's portal. We show you exactly where to look, what the numbers mean, and how to check for errors.
Assessed value of your home: what it means and how to find it
Assessed value is what your county uses to calculate your property tax bill. Learn how to find yours, why it differs from market value, and what to do if it's wrong.
King County tax assessed value: what it means and how to fight it
King County assessed value drives your property tax bill. Learn how values are set, what the appeal deadline is, and how to file your own appeal and win.
How to compute property tax: the complete step-by-step guide
Learn exactly how property tax is calculated, assessed value, mill rates, exemptions, with real formulas, state examples, and how to check if your bill is wrong.
Nassau County assessed value: how it works and how to fight it
Nassau County assesses homes at 0.1% of market value, then applies rates to that figure. Learn how it's calculated, what the appeal deadlines are, and how to win.
Assessed value vs market value: what's the real difference?
Assessed value is often 80 to 100% of market value, but ratios vary wildly by state. Learn how both numbers work and how they affect your tax bill.
How to calculate mill rate on your property tax bill
Mill rate is your tax per $1,000 of assessed value. Learn exactly how to calculate it, why it changes yearly, and how to use it to spot a bad assessment.
Tax assessment value meaning: what it is and why it matters
Tax assessment value is the dollar figure your local government uses to calculate your property tax bill. Learn how it's set, how it differs from market value, and when to fight it.
Tax assessed value vs appraisal: what's the difference and why it matters for your tax bill
Tax assessed value and appraisal value are not the same thing. Learn the difference, how each is calculated, and how to use both to lower your property tax bill.
Davidson County property tax assessment: what you're taxed on and how to fight it
Davidson County reassesses every 4 years. The 2025 cycle is live. Learn how assessments work, what the appeal deadlines are, and how to cut your bill yourself.
Mill rate explained: how one number drives your property tax bill
A mill equals $1 of tax per $1,000 of assessed value. Learn how mill rates work, where to find yours, and how to use it to check your tax bill for errors.
NYC property tax calculation: how your bill is actually computed
NYC property taxes are calculated using assessed value, an 18-45% ratio, and a tax rate that changes yearly. Learn exactly how your bill is built and where to challenge it.
Assessed value vs asking price: what the gap means for your taxes
Assessed value and asking price can differ by 20 to 40%. Learn what each number means, why the gap matters for property taxes, and how to use it to appeal.
How to calculate assessed value of your property (and check it)
Learn exactly how assessed value is calculated, what assessment ratios mean, how to verify your number, and how to calculate your property tax bill. Step-by-step.
Assessed value vs taxable value: what's the difference and why it matters
Assessed value and taxable value are not the same thing. Exemptions can cut your taxable value by tens of thousands. Learn exactly how each number is calculated.
Property tax assessment in Los Angeles: what your bill actually means
LA County property taxes are capped at 1% of assessed value under Prop 13, but exemptions and appeals can cut your bill further. Full guide with deadlines.
SmartAsset property tax calculator: what it shows and where it falls short
SmartAsset's property tax calculator estimates your bill using county average rates, not your actual assessment. Here's how to read it and what to do next.
How property value is assessed: what every homeowner needs to know
Assessors use mass appraisal, sales comps, and state formulas to set your taxable value. Learn exactly how it works, where errors happen, and what you can do.
Jacksonville property assessment: how values, fees, and appeals work
Jacksonville's Duval County property assessments, TRIM notice deadlines, VAB filing fees, and how to appeal your 2025 assessed value yourself. Real numbers inside.
Assessed value definition: what it means for your property tax bill
Assessed value is what your county uses to calculate your tax bill, and it's often lower than market value. Learn how it's set, how to check it, and how to fight it.
How to assess property value: the complete homeowner guide
Learn exactly how assessors value your home, what methods they use, and how to check their math so you can appeal and save hundreds or thousands per year.
Mill rate definition: what it is and how it sets your tax bill
A mill rate is your tax per $1,000 of assessed value. Learn how mill rates are set, how to calculate your bill, and what it means for a property tax appeal.
Appraised value versus assessed value: what's the difference and why it matters for your tax bill
Appraised value and assessed value are not the same thing. See how each is calculated, how assessment ratios work, and how to fight an overvaluation yourself.
How to calculate property tax with millage rate (step by step)
Learn exactly how to calculate your property tax using millage rates. Includes the formula, assessed value steps, exemptions, and a worked example. ~3 min read.
How to figure mill rate: the complete step-by-step guide
Learn exactly how to calculate your mill rate, what it means for your tax bill, and how a high rate can signal an overassessment worth appealing. 140 chars.
Assessed value defined: what it means and why it drives your tax bill
Assessed value is what your local government says your property is worth for tax purposes. It's often 80-100% of market value, but varies wildly by state. Here's how it works.
How is mill rate calculated and what does it mean for your tax bill
Mill rate = levy divided by taxable value × 1,000. Learn exactly how your city sets it, why it changes yearly, and how to cut your bill. 160-char guide.
Mill rate meaning: what it is and how it sets your tax bill
A mill rate is your tax rate per $1,000 of assessed value. Learn how to read it, calculate your bill, and why a lower rate won't always save you money.
Real estate tax assessed value: what it means and how it's calculated
Assessed value drives your property tax bill. Learn how assessors calculate it, why it differs from market value, and how to challenge a number that's too high.
LA County property tax assessment: how it works and how to fight it
LA County assessed 2.6 million parcels under Prop 13. Learn how your value is set, when to appeal, and how to cut your bill without hiring a contingency firm.
City of Falls Church property tax assessment: what homeowners need to know
Falls Church assesses property at 100% of fair market value. Learn how assessments work, 2024 rates, appeal deadlines, and how to fight a high bill yourself.
Tax assessment vs. appraisal value: what's actually different and why it matters for your tax bill
Assessed value and appraised value are not the same thing. Learn the key difference, how assessment ratios work, and how to use this to lower your property tax bill.
Home assessment value vs. market value: what's the difference and why it matters
Assessment value and market value are not the same thing. Learn the difference, how the ratio affects your tax bill, and when a gap means you're overpaying.
How do mill rates work and what they mean for your tax bill
Mill rates turn your assessed value into a dollar tax bill. Learn the formula, see real state examples, and find out when a lower mill rate won't save you.
How is assessed value determined for property taxes?
Assessors use three methods to set your home's taxable value. Learn how each works, what ratio applies in your state, and how to spot errors before your bill arrives.
How property taxes are assessed: the complete guide
How assessors calculate your property tax bill, what the assessment ratio means, and how to spot an overassessment before your appeal deadline runs out.
Gwinnett County property tax assessment: what you're actually paying and why
Gwinnett County reassesses property annually. Learn how your assessed value is set, what the 2024 millage rate means for your bill, and how to appeal in 45 days.
What is a mill rate? How it sets your property tax bill
A mill rate is your property tax rate expressed in dollars per $1,000 of assessed value. Learn how it's calculated, who sets it, and how to use it to check your bill.
Property tax calculator by zip code: what the tools actually show you
Property tax rates vary from under 0.3% to over 2.4% by zip code. Learn how to find your real rate, read your bill, and estimate taxes before you buy or appeal.
How to determine your property's assessed value (and what to do if it's wrong)
Learn exactly how assessors calculate assessed value, what assessment ratios mean, and how to check if your number is wrong. Includes real data and appeal steps.
What does tax assessment value mean for your property tax bill
Tax assessment value is the dollar figure your local government uses to calculate your property tax bill. Learn how it's set, what it means, and how to fight it.
What does mill rate mean and how does it affect your tax bill
Mill rate is the dollars of tax per $1,000 of assessed value. Learn how it's set, how to calculate your bill, and when a high mill rate means you should appeal.
Are special assessments tax deductible on rental property?
Special assessments on rental property are sometimes deductible, sometimes not. Learn the IRS rules, what to capitalize vs. deduct, and how HOA assessments fit in.
Is a property tax assessment the same as an appraisal?
A tax assessment and a home appraisal are not the same thing. Learn the key differences, how each number affects your tax bill, and when to challenge them.
How property taxes are assessed on a new construction home
New construction homes get reassessed at full market value the year they're finished. Learn how the process works, when your first bill arrives, and how to appeal.
Assessed value meaning: what it is and why it drives your tax bill
Assessed value is the dollar figure your county uses to calculate property taxes, often 80 to 100% of market value. Learn how it's set, how it differs from appraised value, and how to fight it.
Equalized assessed value: what it is and how it affects your tax bill
Equalized assessed value (EAV) determines your property tax bill. Learn how assessment ratios work, where multipliers come from, and how to appeal an inflated EAV.
Fair market value assessment methods: how assessors set your home's taxable value
Assessors use 3 methods to set fair market value for property taxes. Learn how each works, where they go wrong, and how to challenge a bad number yourself.
Fairfax County assessed value: how it works and how to fight it
Fairfax County reassesses every year. Learn how your assessed value is calculated, what the appeal deadline is, and how to cut your tax bill yourself.
How to figure out your assessed value (and spot errors fast)
Learn exactly how to find, calculate, and verify your property's assessed value in any state, with real formulas, assessor lookup steps, and error-check tips.
Common mistakes in property tax assessments homeowners make
Assessors get it wrong more often than you think. Learn the 10 most common property tax assessment errors, how to spot them, and how to fight back yourself.
How often does Wake County assess property taxes?
Wake County reassesses property every 4 years by law. Learn what that means for your tax bill, when the next revaluation is, and how to appeal.
Are property taxes set by state or county? How the system actually works
Property taxes are set by local governments, not states. Learn which body sets your rate, how levy layers stack, and why two neighbors can owe very different amounts.
How to read your property tax assessment notice line by line
Confused by your assessment notice? This line-by-line guide explains every field, from assessed value to tax rate, so you can spot errors and appeal.
Assessed value vs market value on your tax bill: what each number means
Assessed value is what the county taxes you on; market value is what your home would sell for. The gap between them determines your bill. Learn both in 5 min.
Why did my property tax assessment jump 40 percent in one year?
Your assessment spiked because of revaluation cycles, hot sale prices, or a missed exemption. Here's exactly why it happens and how to fight back yourself.
What is the equalization rate and how does it affect your taxes
The equalization rate measures how close your assessed value is to true market value. Learn how it affects your tax bill and whether you can use it to appeal.
How to calculate your effective property tax rate from your assessment
Learn the exact formula to calculate your effective property tax rate from your assessment, including assessment ratio, mill rates, and exemptions. Takes 5 minutes.
What is a mill rate and how do you use it to check your tax bill
A mill rate is your tax per $1,000 of assessed value. Learn how to calculate your property tax bill yourself and catch overcharges in minutes.
Assessed value vs appraised value: what the difference means for your tax bill
Assessed value and appraised value are not the same thing. Learn how each is calculated, how assessment ratios work, and what this means for your property tax bill.
How to spot errors on your property record card that raise taxes
Property record card errors inflate millions of tax bills every year. Learn exactly which fields to check, what counts as an error, and how to fix it fast.
Does adding a deck increase property taxes? What homeowners need to know
A new deck typically raises your assessed value by $5,000 to $20,000+, adding $50 to $400 a year in taxes. Here's how assessors calculate it and how to fight back.
Does finishing a basement trigger reassessment?
Finishing a basement can raise your assessed value by 10 to 25%. Learn exactly when it triggers reassessment, which states require permits, and how to limit the hit.
Do swimming pools raise property taxes and by how much?
Yes, pools typically add $500, $2,500/year in property taxes. Learn how assessors value pools, what comps show, and how to appeal if the bump is too high.
Does a new roof increase your property tax assessment?
A new roof can raise your assessment, but only in some states and only under specific conditions. Here's exactly when it triggers a reassessment and when it doesn't.
Kitchen remodel permitting and property tax consequences
Pulling a permit for your kitchen remodel can raise your property tax assessment. Here's exactly what triggers a reassessment, by how much, and how to fight it.
How to renovate without triggering a property tax reassessment
Permits trigger reassessments in most states, but cosmetic repairs often don't. Learn exactly which projects fly under the radar and which raise your tax bill.
Unpermitted work discovered during assessment: what happens next
Unpermitted work found during a property assessment can raise your tax bill or trigger code enforcement. Here's exactly what to expect and how to respond.
Should you pull permits for work if it raises your property taxes?
Unpermitted work can cost more than higher taxes. Learn exactly how permits affect assessments, when skipping one backfires, and how to protect yourself.
How assessors find out about home improvements
Assessors use building permits, aerial imagery, sales data, and field inspections to catch home improvements. Here's exactly how they find out, and what it means for your tax bill.
Does an assessor come inside your house during assessment?
Most assessors never enter your home. Learn when an interior inspection can happen, what your rights are, and how it affects your property tax bill.
Can you refuse entry to a property tax assessor?
Yes, you can refuse entry to a property tax assessor in most states. Here's what happens next, how it affects your assessment, and what rights you have.
Exterior-only appraisal versus interior inspection for property tax assessment
How exterior-only and interior property tax appraisals differ, when each is used, how the method changes your assessed value, and how to use it in an appeal.
What happens if you deny assessor access to your home
Refuse a property tax assessor entry and your county can legally assume the worst-case value. Learn the real consequences, your rights, and how to protect yourself.
Drive-by assessment versus full assessment: how accurate is each?
Drive-by assessments can miss 10-25% of a home's true condition. Learn how each method works, where errors creep in, and how to appeal an inaccurate value.
How often are property reassessments done in each state
Reassessment cycles range from every year to every 6 years depending on your state. See the full 50-state schedule, what triggers an off-cycle reassessment, and how to appeal.
What triggers a mid-cycle property tax reassessment
Sale, renovation, new construction, or a zoning change can trigger a mid-cycle reassessment outside your county's normal schedule. Here's what to watch for.
Property tax reassessment after a sale: is it automatic?
Does buying a home trigger an automatic property tax reassessment? The answer depends on your state. Learn who reassesses at sale, who doesn't, and what to expect.
Does refinancing trigger a property tax reassessment?
Refinancing alone does not trigger a property tax reassessment in most states. Learn which events actually do, and what California's Prop 13 says.
Does getting a home equity loan affect your property taxes?
A home equity loan does NOT trigger a reassessment or raise property taxes in any U.S. state. Here's exactly why, with the one real exception to know.
What is the assessment ratio in my state?
Assessment ratios range from 10% to 100% of market value by state. Find your state's ratio, see how it affects your tax bill, and learn when to appeal.
Mass appraisal vs individual appraisal: why your assessment is probably wrong
Mass appraisal errors cause 30-40% of U.S. homes to be over-assessed. Learn how the system works, where it fails, and how to use that against your tax bill.
What is coefficient of dispersion in property assessment?
The coefficient of dispersion (COD) measures assessment fairness. A COD above 15% signals unequal treatment you can use to appeal. Here's how to read it.
How assessors use sales ratio studies and what it means for your appeal
Sales ratio studies measure how close assessments are to market value. Learn how they work, what a ratio below 90% means, and how to use them to win your appeal.
Property tax assessment using income approach for rentals: what it means and how to fight it
Assessors use the income approach to value rentals by capitalizing net operating income. Learn how cap rates, NOI, and vacancy assumptions can inflate your bill.
Cost approach assessment: how to dispute it and win
The cost approach values your property by what it would cost to rebuild it. Here's how to spot errors, build your evidence, and appeal it yourself.
Zillow Zestimate versus assessed value: which is more reliable?
Zestimate median error is 2.4% for on-market homes but jumps to 7.5% off-market. Assessed value uses a fixed ratio. Learn which to trust for your tax appeal.
Tennessee property tax assessment: how it works and how to fight it
Tennessee assesses property at 25% of appraised value for homeowners. Learn how assessments work, key deadlines, and how to appeal without paying a contingency firm.
Are property taxes included in your mortgage payment?
Yes, most mortgages collect property taxes through an escrow account. Learn exactly how it works, when it doesn't, and how to spot errors before they cost you.
Michigan Headlee amendment rollback: how it affects your taxes
Learn how Michigan's Headlee rollback limits your property tax levy by law, and what it means if your millage rate drops without a vote. Full explainer with real numbers.
Michigan Proposal A: taxable value versus state equalized value explained
Proposal A caps Michigan taxable value increases at 5% or inflation. Learn how SEV and TV differ, why your tax bill uses TV, and when to appeal.
Property tax proration at closing: how it works
Property tax proration splits the year's tax bill between buyer and seller at closing. Learn the exact formula, who pays what, and how to catch errors.
Supplemental property tax bill after purchase: what it is and what to do
Bought a home and got a surprise tax bill? Supplemental property taxes are triggered by reassessment at sale. Here's what you owe, why, and your deadlines.
Why did I get a supplemental tax bill after buying my house?
Bought a home and got a surprise tax bill? Supplemental property tax bills are normal in states like California. Learn why you got one, how much it costs, and your deadlines.
How to estimate your supplemental property tax bill before closing
Supplemental property tax bills surprise buyers weeks after closing. Learn the exact formula, a free calculator method, and how to avoid an unexpected $3,000+ bill.
Escape assessment bill years later: how to handle it
Got an escape assessment bill covering 2-4 prior years? Here's how to verify it's valid, what deadlines apply, and how to appeal before paying a dime.
How to avoid property tax surprises when buying a home
Your tax bill can jump 20-40% after purchase. Learn exactly how to spot reassessment triggers, read disclosures, and budget correctly before you close.
Property tax due diligence before you make an offer
Before you bid, check the real tax bill, reassessment risk, and exemptions you'll lose. This guide shows you exactly what to look up and how to read it.
How to research a home's tax history before buying
Look up any home's assessed value, tax bill, exemptions, and appeal history before closing. Step-by-step guide with free sources and red flags to watch for.
Red flags in property tax records when buying a home
7 property tax red flags that can cost you thousands after closing. Learn what to check in tax records before you buy, and how to protect yourself.
Property tax escrow shortfall: what to do when your payment spikes
Got an escrow shortfall notice? Here's why it happens, what RESPA gives you for repayment, and how to fight the tax assessment that caused the spike.
Property taxes paid by escrow versus directly: which saves more?
Escrow feels safe but can cost you $300, $600 a year in lost interest. Here's the real math on paying property taxes yourself versus through your lender.
Tax deed sale vs tax lien certificate: what's the real difference
Tax deed sales transfer ownership; tax lien certificates sell the debt. Learn how each works, which states use which, and what homeowners risk losing.
Accessory dwelling unit effect on property taxes: what to expect
Adding an ADU can raise your property tax bill by $1,000, $4,000+ per year. Learn exactly how assessors value ADUs, state-by-state rules, and how to appeal.
Adding an ADU or granny flat: how much will it raise your property taxes?
Adding an ADU typically raises property taxes by $1,000, $3,500/year, but the math varies wildly by state. Here's exactly how assessors calculate it.
Property tax on tiny homes and manufactured homes: what's different
Tiny homes and manufactured homes are taxed very differently from site-built houses. Learn how titling, land ownership, and state law change your tax bill.
Mobile home property tax versus real property tax: what you actually owe
Mobile homes taxed as personal property pay DMV-style fees; those on permanent foundations owe real property tax. Learn which rules apply and how to appeal.
How to get a manufactured home reclassified for lower taxes
Learn how to reclassify a manufactured home from personal property to real property to cut your tax bill. Step-by-step guide with state deadlines and forms.
Fire damage effect on property tax assessment mid-year
Burned property doesn't have to carry a full-year tax bill. Learn how mid-year fire damage triggers reassessment, which deadlines matter, and how to file.
Assessment value definition: what it means and why it changes your tax bill
Assessment value is the taxable value your county assigns to your property. Learn how it's set, how it differs from market value, and how to fight a wrong one.
Demolition of a structure: what happens to your property taxes
Tear down a building and your property tax bill can drop fast, but only if you notify the assessor. Learn the steps, deadlines, and how much you can save.
Vacant land assessed as improved: how to correct the mistake
If your empty lot is taxed like it has a building on it, you can fix it. Here's exactly how to correct an over-assessment on vacant land, step by step.
New construction property tax assessment: how it works
New construction triggers a supplemental or full reassessment the year you close or get a CO. Learn how assessors value new builds, when bills arrive, and how to appeal.
Reproduction cost vs replacement cost in property tax assessment
Reproduction cost recreates a building exactly; replacement cost uses modern materials. The gap can mean thousands in over-assessment. Here's how to use it in an appeal.
How assessors calculate depreciation and how to challenge it
Assessors use three depreciation types to cut your property's value. Learn how each works and how to challenge the math to lower your tax bill.
Easement on property: how to reduce your assessed value
An easement can cut your assessed value by 10 to 40%. Learn how to document it, what evidence assessors need, and how to file the appeal yourself.
What data assessors use for mass appraisal models
Assessors feed 20+ property data variables into mass appraisal models. Learn exactly which inputs drive your value, where errors hide, and how to spot them.
CAMA system: what it is and how to challenge its inputs
CAMA software sets your assessed value automatically. Learn what data it uses, where it goes wrong, and exactly how to challenge its inputs to lower your tax bill.
Computer assisted mass appraisal errors: the most common ones
CAMA systems misprice millions of homes each year. Learn the 7 most common errors, how to spot them in your record, and how to use them in an appeal.
How geographic adjustments in CAMA models can be wrong
CAMA geographic adjustments can inflate your assessment by 5 to 20%. Learn how location factors fail, and how to spot and challenge bad adjustments in an appeal.
How to identify if your assessor used the wrong neighborhood code
A wrong neighborhood code can inflate your property tax bill significantly. Here's how to find it, prove it, and use it to win your appeal.
How to check if the quality rating on your property card is correct
A wrong quality grade can inflate your assessment by 10 to 25%. Here's how to read your property card, spot errors, and fix them before your appeal deadline.
Condition rating the assessor assigned and how to dispute it
Your assessor's condition rating can add tens of thousands to your taxable value. Learn what ratings mean, how they're set, and how to dispute yours with evidence.
Well water vs. municipal water: how each affects your assessed value
Well water can lower your assessed value by 5 to 15% compared to city water hookups. Learn how assessors treat water source, and how to appeal if yours is wrong.
No central air conditioning: how it affects your property tax value
Missing central AC can lower your assessed value by 2 to 5% or more. Learn how assessors handle it, how to document it, and how to use it in an appeal.
Above grade vs below grade area in property tax assessment
Assessors value above-grade square footage at 2 to 5x the rate of below-grade space. Learn why, how to catch errors, and how to appeal.
How assessors value finished basements and how to challenge it
Finished basements can add 50 to 75% of above-grade square footage value to your assessment. Learn exactly how appraisers calculate it and how to fight back.
Walk-out basement vs. daylight basement: how each is assessed
Walk-out and daylight basements can add 50 to 100% more assessed value than a standard basement. Learn how assessors classify each and how to appeal if yours is wrong.
How to value an unfinished versus finished attic for property taxes
Assessors use different GLA rules and multipliers for finished vs. unfinished attics. Learn how valuations work, where errors happen, and how to appeal.
Attached vs detached garage: how each type affects your assessment
Attached garages typically add more assessed value than detached ones. Learn why, by how much, and how to challenge your assessor's garage classification.
How assessors value a detached garage and how to appeal
Assessors use cost, income, or sales data to value detached garages. Learn what drives the number, how to spot errors, and how to appeal without hiring anyone.
Shed value added to your assessment: how to get it removed
Assessors add shed value to property assessments all the time, often incorrectly. Learn exactly how to dispute it and remove the extra value, step by step.
How assessors value fireplaces and how to check accuracy
Assessors typically add $1,000 to $5,000 per fireplace to assessed value. Learn how they calculate it, where errors hide, and how to correct a wrong count.
Central air conditioning versus window units: how each affects your property tax assessment
Central AC can add $5,000, $15,000 to your assessed value; window units usually add nothing. Learn exactly why, and how to fight an unfair assessment.
How to look up your home's assessment history year by year
Find your property's full assessment history in minutes using free county portals, state databases, and public records. Step-by-step guide with real sources.
When did my assessment jump and why: how to research the history
Learn how to pull your property's full assessment history, pinpoint the year values spiked, and understand why it happened, so you can build a real appeal.
How to track mill rate changes versus assessment changes on your tax bill
Learn to separate mill rate hikes from assessment increases on your property tax bill. One you can fight; one you usually can't. Here's how to tell the difference.
Did your property tax go up because of the rate or the assessment?
Learn the exact math to tell whether your property tax bill rose from a higher assessment, a higher tax rate, or both. Includes a step-by-step worksheet.
How to update assessor records after a deed change
Changed ownership on a deed? Here's exactly how to update your county assessor's records, avoid double billing, and protect exemptions, in most counties within 30-90 days.
Notice of proposed property taxes: how to read it line by line
Your TRIM notice or assessment letter holds the key to your tax bill and your appeal rights. Learn every line, every deadline, and how to act before time runs out.
How to find out if your property is being taxed in the wrong class
Wrong property class can cost you thousands a year. Learn how to check your tax classification, spot errors, and fix them before your appeal deadline.
NYC tax class 1 vs 2 vs 4: what every property owner needs to know
NYC has four property tax classes with wildly different effective rates. Class 1 homes pay around 0.5%, Class 2 apartments up to 1.2%, Class 4 commercials up to 10.7%. Here's how each works.
How income capitalization is used for NYC condo taxes
NYC taxes most condos like rental buildings using income capitalization, not sales. Learn how the math works, what class your unit is in, and how to appeal.
Cooperative apartment property tax in New York: how it works
Co-op owners in NYC don't get a property tax bill. The building pays as a single Class 2 parcel and passes costs through maintenance. Here's exactly how it works.
How to read and appeal a co-op property tax assessment
Co-op tax assessments confuse even seasoned owners. Learn how to read your building's notice, find your share, and file an appeal that can cut your bill.
Mixed use property assessment: how the residential portion is valued
Assessors split mixed-use buildings into residential and commercial portions, each taxed differently. Learn how each part is valued and how to appeal a wrong split.
How a home-based business affects your property tax classification
Running a business from home can trigger a commercial reclassification and a bigger tax bill. Here's exactly when that happens and how to stop it.
What is the cost approach and how assessors use it incorrectly
The cost approach values your home by land + replacement cost minus depreciation. Learn the 5 ways assessors misapply it and how to challenge their math.
Appraisal vs. assessment: what the difference means for your appeal
Appraisal and assessment are not the same thing. Knowing which one to fight, and how, can cut your property tax bill. Here's exactly what each term means.
What is mass appraisal and why it produces inaccurate assessments
Mass appraisal values millions of homes with one statistical model. Learn why assessments are off by 10-30% and how to spot errors before you appeal.
How assessors use computer assisted mass appraisal systems
CAMA systems value millions of homes using statistical models. Learn how they work, where they fail, and how that creates appeal opportunities for homeowners.