How to check if the previous owner had exemptions that lowered your bill

Last updated 2026-07-10

Why your property tax bill might be much higher than the seller's was

The seller's last tax bill is often the first number a buyer sees. Agents put it in the listing. Buyers use it to estimate carrying costs. Then the first bill after closing lands, and it's hundreds or thousands of dollars higher.

That gap almost always comes from one of two things: a reassessment triggered by the sale, or exemptions that expired the moment the deed changed hands. Sometimes both hit at once, and the compounding effect is brutal.

Exemptions are not attached to the property. They're attached to the person. A homestead exemption requires that the owner live there as a primary residence. A senior citizen exemption requires that the owner is over a threshold age, typically 65. A disabled veteran exemption requires the owner to be a qualifying veteran. When the property sells, the county removes those exemptions, and the full taxable value, sometimes called the "assessed value" or "taxable value" depending on the state, becomes the basis for your bill ^[1].

This happens automatically. Nobody calls to warn you. The county clerk records the deed, the assessor flags the parcel as transferred, and exemptions come off before the next billing cycle. In many states the change lands mid-year, so the adjustment shows up as a supplemental or corrected bill months after you close.

Understanding this is step one. Step two is pinning down exactly which exemptions the prior owner held, because some of them you might qualify for yourself, and filing on time could recover most of the difference.

How do I find out what exemptions the previous owner had?

Every county assessor keeps public records of assessed value and any exemptions applied to each parcel. You can usually get this in three ways, depending on how modern your county's systems are.

The assessor's website (fastest). Search the parcel by address or by the Assessor's Parcel Number (APN), which sits on your deed or closing documents. The parcel detail page usually shows current and sometimes prior-year exemptions. Look for a line labeled "exemptions," "deductions," "credits," or "special classifications." If the line reads zero now but the prior bill was lower, dig into the prior year's record. Many assessor portals let you toggle between tax years ^[2].

Prior-year tax records. Your title company or escrow officer should have handed you a copy of the seller's most recent tax bill at closing. That document lists every exemption by name and dollar amount right on its face. Didn't get it? Ask your title company. It's part of the standard closing package in most states.

A direct call or in-person visit to the assessor. If the online portal hides historical exemption data, call the assessor's office and ask: "Can you tell me what exemptions were on this parcel in the prior tax year?" They can usually pull it up in under two minutes. This is a routine public request. You can also check cook county tax assessor tax bill records or your local equivalent for state-specific portal walkthroughs.

What to look for specifically. These are the exemptions that most often disappear at sale:

Exemption Type	Who Qualifies	Typical Savings	Transfers at Sale?
Homestead / Primary Residence	Owner-occupants	$500, $50,000+ off taxable value	No, must refile
Senior / Age-Freeze	Owners 65+	$5,000, $100,000+ or frozen value	No
Disabled Veteran	Qualifying vets	Up to 100% exemption	No
Agricultural / Greenbelt	Qualifying land use	Significant (land valued at use, not market)	No, and rollback taxes may apply
Widow/Widower	Surviving spouses	Varies by state	No
Disability / Blind	Qualifying disabilities	Varies by state	No

The right column is the one that matters. None of these transfer. All of them need a new application from you.

What is a homestead exemption and do I qualify now that I own the house?

The homestead exemption is the most common exemption that dies at sale, and the one most buyers can recapture right away. Most states offer some version of it, though the rules and deadlines swing wildly ^[3].

A homestead exemption cuts the taxable value of your primary residence by a fixed dollar amount or percentage. Texas offers a mandatory $100,000 homestead exemption on school district taxes starting with the 2023 tax year, plus optional exemptions from cities and counties ^[4]. Florida's homestead exemption reduces assessed value by up to $50,000 for qualifying properties ^[5]. California works differently because of Proposition 13: the assessed value locks at the purchase price plus no more than 2% annual increases, but there's also a separate $7,000 homeowners' exemption off assessed value for owner-occupants ^[6].

To qualify, the property usually has to be your primary residence as of a specific date, often January 1 of the tax year, and you have to file an application. The deadline usually falls in spring, with March 1, April 1, or April 15 as common cutoffs. Miss it and you wait another year.

If the previous owner had a homestead exemption and you move in as your primary residence, you should qualify to reinstate it. File as soon as you can after closing, ideally before December 31 of the year you buy so you capture the exemption for the following year's bill. Some counties offer a partial-year credit if you file early enough.

How do senior exemptions and age-freeze programs disappear and can you appeal the resulting increase?

Senior exemptions hit harder than buyers expect, because they often combine an extra dollar reduction in taxable value with a separate program that froze the value at a prior-year level. Strip the freeze away and the taxable value can leap to current market value in one year.

Texas's senior freeze (the "Over-65 Homestead" exemption) locks the school district tax amount at the year the owner turned 65 or first applied. If a property was frozen at $3,000 in annual school tax in 2012, and market values have tripled since, the new owner pays the full current tax with no cap ^[4]. The same mechanism runs in many states under names like "assessment freeze," "circuit breaker," or "senior valuation limitation."

You cannot inherit the senior exemption or the freeze. You qualify on your own age or you don't. But you can appeal the assessed value itself if it jumped unreasonably at sale, which is a separate action from reinstating an exemption. If the assessor used your purchase price to reset the assessment, you can challenge whether that price reflects fair market value against comparable properties. The la county property tax system and the montgomery county property tax system both use the sale price as an assessment trigger, so this comes up constantly.

The appeal process and the exemption application run on separate tracks. File both if you have grounds for both. Missing one doesn't touch the other.

What are rollback taxes and could you owe them because of the prior owner's agricultural exemption?

This is the one that genuinely blindsides buyers, because it isn't only about losing a discount going forward. It can create a retroactive tax bill.

Agricultural exemptions (called "greenbelt," "current use," "open space," or "ag valuation" depending on the state) let land used for farming, ranching, or timber be taxed at its agricultural use value instead of market value. The gap between those two figures can be huge. A 50-acre tract near an expanding suburb might carry a market value of $2 million and an agricultural use value of $80,000.

Sell that land, and if the new owner doesn't keep qualifying agricultural use, most states impose rollback taxes: the difference between what was paid under the ag exemption and what would have been owed at market value, going back typically 3 to 7 years depending on the state, plus interest ^[7]. Texas imposes a 5-year rollback on most agricultural land ^[4]. Virginia imposes rollback taxes going back 5 years at 8% annual interest ^[7].

Before closing on any rural or semi-rural property, ask your title company or real estate attorney to check for active agricultural exemptions on the parcel and get a written estimate of potential rollback liability. In some states the rollback obligation lands on the buyer unless the contract says otherwise. This is no footnote. On a large parcel, rollback taxes can top $100,000.

If the property you've already bought had an ag exemption, check the assessor's records now. Continuing agricultural use? File your own application before the deadline. Not continuing? Budget for the rollback bill and find out when it arrives.

How do I read the assessor's parcel record to spot dropped exemptions?

Once you're on the assessor's website, the parcel detail page can look dense. Here's what to read, in order.

First, find the "exemptions" section. It might be labeled "deductions applied," "special classifications," or just a line with a dollar amount next to a code. Common codes are HX or HS (homestead), OV65 (over-65), DV1 through DV4 (disabled veteran levels), AG (agricultural), and EX (various others). A zero or a blank field where the prior bill showed numbers is your signal.

Second, look at the two key value figures: assessed (or appraised) value and taxable value. The difference between them is the total exemption benefit. If your taxable value equals your assessed value, you have no exemptions. If the prior owner's taxable value ran well below assessed value, an exemption was in play.

Third, toggle to the prior tax year if the portal allows it. Most county systems let you pick 2 to 5 years of history from a dropdown. Compare the exemption lines year over year to confirm when they dropped off and which ones they were.

Fourth, download or screenshot the prior-year record. You'll want it for your own application and possibly for an appeal if you're arguing the assessed value is too high after transfer.

For Cook County, the cook county tax assessor tax bill portal shows exemption history right on the parcel search result page. Bexar County (San Antonio) has a similarly detailed portal; see bexar county tax assessor for a walkthrough of their layout. Gwinnett county tax assessor in Georgia and hennepin county property tax in Minnesota both allow multi-year lookups by parcel.

Which exemptions can a new owner actually apply for after buying?

The answer turns on whether you meet the eligibility criteria, not on what the prior owner had. The slate clears at sale. You apply for whatever you qualify for.

Here's the practical order of what to check:

Homestead exemption. Apply right away if this is your primary residence. Most states let you file between the date of purchase and March 1 or April 15 of the following tax year. Some, like Florida, require you to own and occupy the home by January 1 of the tax year you're applying for ^[5].

Senior exemption. If you're 65 or older (or will be during the tax year), apply for any age-based exemptions or freezes your county offers. In Texas you can apply the year you turn 65 and get a prorated benefit ^[4].

Disabled veteran exemption. If you're a qualifying veteran with a VA disability rating, the exemption can be large. Texas exempts 100% of the appraised value for veterans with a 100% disability rating ^[4]. Other states run similar but differently structured programs. Check your state's veterans affairs agency.

Disability exemption. Many states add reductions for owners with qualifying disabilities, separate from the veteran program.

Energy efficiency or renovation exemptions. Some jurisdictions exempt the added value from qualifying improvements for a set number of years. Less common, still worth a look.

The application in every case goes to the county assessor or, in some states, a separate board of assessors. The form runs one to two pages and asks for proof of residency (driver's license, utility bill, voter registration) and proof of any special qualification (DD-214 for veterans, birth certificate or ID for age).

Nobody mails you the application unprompted. You request it or download it.

What deadlines do I need to hit to get exemptions on this year's tax bill?

Deadlines are the single most important variable, and they vary more than almost anything else in property tax. Miss one and you wait a full year for relief. Here are the major patterns by state:

State	Homestead Deadline	Senior Exemption Deadline	Notes
Texas	April 30	April 30	File after Jan 1; partial year allowed if you buy during the year [4]
Florida	March 1	March 1	Must own and occupy by Jan 1 of tax year [5]
California	Feb 15 (for full exemption)	Varies by county	Late filing gets 80% of exemption through Dec 1 [6]
Illinois	Varies by county	Varies by county	Cook County deadline is typically in the spring
Georgia	April 1	April 1	Must be filed with county tax commissioner
New York	Varies (March 1 in most counties)	Varies	NYC has separate rules [8]
Virginia	Varies by locality	Varies by locality	Check with your local Commissioner of Revenue

The safest rule: file within 30 days of closing, or by whatever deadline your state sets, whichever comes first. Bought the home in October or November? Call the assessor now and ask whether there's a partial-year application option or whether you should file for next year's full benefit.

For Texas, the relevant statute is Texas Tax Code Section 11.43, which governs exemption application procedures ^[4]. Florida's exemptions run under Florida Statute Section 196.011 ^[5]. California's homestead exemption runs under Revenue and Taxation Code Section 218 ^[6].

Can the previous owner's exemptions affect what you paid at closing and do you have any recourse?

Yes, and this is an underappreciated spot where buyers leave money on the table.

In most transactions, property taxes get prorated at closing based on the prior year's bill or an estimate. If that prior bill reflected a senior freeze or a large homestead exemption you won't qualify for, the proration understates your real future tax liability. You may have paid less than a fair share of the year's taxes because the seller's burden was artificially low.

Recourse after closing is limited, unless your purchase contract addressed this directly. Some well-drafted contracts include language about reassessment triggered by the sale, or require the seller to disclose all active exemptions. Most standard residential contracts don't. The time to negotiate this is with a real estate attorney reviewing the contract before closing, not after.

If you believe you were materially misled about the tax situation, talk to a real estate attorney. The bar for a legal claim is high, because buyers are generally expected to do their own due diligence on property taxes.

The practical takeaway: before closing on any property, look up the parcel yourself, identify every exemption in play, and calculate what the bill would be without them. Then check whether you'll qualify. If you won't, treat the higher number as your baseline and negotiate the price around it.

For high-value properties in complex markets like Los Angeles, see los angeles county property tax for how Prop 13 resets affect buyers. The santa clara property tax system runs on similar dynamics, with steep assessment jumps at sale.

What if the assessor's website doesn't show prior-year exemption data?

Some counties, usually smaller or less tech-forward ones, only post the current year's record online. In that case you have a few moves.

Call the assessor's office and ask for a copy of the prior year's property tax record for your parcel. Frame it plainly: "I'm the new owner and I'd like to understand what exemptions were on this property before I bought it." This is a public records request and they're obligated to provide the information. Most offices email a printout within a day or two.

Check your title insurance documentation. The title search run before closing should include a tax search showing recent prior-year bills, and that document names any exemptions applied.

Request your own property records under your state's public records law (often a Freedom of Information or Open Records request). Every state has one. You can usually file by email or through a county website form. Response times run from 24 hours to 10 business days.

If all else fails, your county recorder or clerk's office keeps deed transfer records showing the exact date of sale, which you can use to anchor your search for the pre-sale tax record. That's more legwork, but the information exists and it's public.

The bibb county tax assessor article covers how Georgia's more rural counties handle records access, a good model for what to expect in jurisdictions without much of an online system.

How to actually lower your bill after finding the exemption gap

Once you know exactly what changed, you have two separate levers.

The first lever is exemption reinstatement. File every exemption you personally qualify for. This is the fastest path to a lower bill and costs nothing beyond the time to fill out the form. Assessors process these relatively quickly, often within 30 to 60 days of submission.

The second lever is a value appeal. If the assessor used the sale price to reset your assessed value, and that price reflects a market peak, a bidding-war premium, or a number above actual market value, you can appeal the assessed value itself. You'd argue the fair market value as of the assessment date is lower than what you paid, backed by comparable sales, an independent appraisal, or documented property defects.

These two paths are independent. Winning one doesn't help you on the other. A property can carry a legitimately high assessed value and still qualify for exemptions that cut the taxable value. You want both.

For the appeal, the timeline matters as much as the exemption deadline. Most jurisdictions require you to file an appeal within 30 to 90 days of receiving your assessment notice ^[9]. In some states that's a hard cutoff with no exceptions.

Want to handle both the exemption filing and a value appeal yourself, without paying a contingency firm 30 to 40 percent of your first year's savings? TaxFightBack's DIY appeal kit walks through both processes with jurisdiction-specific guidance. You keep 100% of what you recover.

The documents you'll need for a complete approach: prior-year parcel records (showing old exemptions), your current assessment notice, comparable sales data from the assessor's database or a free MLS search, and any exemption application forms from the assessor's website.

How does this work in specific large counties people commonly search?

The mechanics are the same everywhere, but the portals, form names, and deadlines differ. A few of the most-searched counties:

Cook County (Chicago area). The Cook County Assessor offers homestead, senior, and senior freeze exemptions. All need annual renewal or confirmation. If the prior owner had a senior freeze, your bill jumps hard because the assessed value was capped and yours isn't. File your homestead exemption with the Cook County Assessor's office. See cook county tax assessor tax bill for the exact portal path.

Los Angeles County. California's Prop 13 means the sale itself resets your assessed value to purchase price, which is often the bigger driver of the increase. The $7,000 homeowners' exemption also needs refiling. The filing period opens February 15 for the full exemption, with a reduced version available through December 1. See los angeles county property tax.

Bexar County (San Antonio, TX). Texas carries some of the most valuable exemptions in the country. A prior owner with a senior freeze plus OV-65 exemption could have had a school tax capped for decades. File with the Bexar County Appraisal District before April 30. See bexar county tax assessor.

New York City. NYC's exemption system is unusually complicated. Basic STAR, Enhanced STAR for seniors, and veterans exemptions all have separate applications and different administering agencies. The basic STAR benefit for new buyers now comes as a credit on your school tax bill rather than a reduction in assessed value, and you have to register with the state ^[8]. See nyc property tax.

Hennepin County (Minneapolis, MN). Minnesota's homestead classification cuts both the tax rate and the value. Applications are due December 15 for the following year. See hennepin county property tax.

Frequently asked questions

Do property tax exemptions automatically transfer to a new owner at sale?

No. In every U.S. state, exemptions tied to the prior owner, including homestead, senior, veteran, and agricultural exemptions, expire when the property sells. The new owner must file a fresh application and personally meet the eligibility requirements. Nobody contacts you automatically; you have to initiate the filing yourself with the county assessor.

How long does it take to get a homestead exemption approved after filing?

Most counties process homestead exemption applications within 30 to 90 days of receipt. File early in the year and the exemption typically shows on the tax bill issued later that year. Some counties send a confirmation letter; others just update the parcel record. Check the assessor's website 60 days after filing to confirm the exemption shows on your parcel.

Can I get back the difference in taxes I paid because I didn't know about exemptions I qualified for?

In most states, exemption benefits are not retroactive. Miss a filing deadline and you generally lose that year's exemption and cannot recover the overpaid taxes. A few states allow a one-time late filing with a penalty. Texas, for example, allows a late homestead application filed up to two years after the deadline, recovering the prior-year benefit minus a 10% penalty ^[4].

What is a senior freeze and how much can it inflate a new buyer's tax bill?

A senior freeze (called 'senior valuation limitation' or 'assessment freeze' in various states) locks the taxable value of a qualifying senior's home at the level when they first applied. If market values doubled over the freeze period, the new owner loses that cap and is taxed at full current value. The jump can easily run $2,000 to $8,000 per year depending on the market and how long the freeze was in place.

How do I find my property's APN number to look up its exemption history?

Your Assessor's Parcel Number (APN) appears on your deed, your closing disclosure, your title insurance policy, and any tax bill sent to the property. It also shows on the county's online parcel map if you search by address. The format varies by county but usually looks like a series of numbers separated by dashes or periods, often 8 to 14 digits total.

What documents do I need to apply for a homestead exemption?

Standard requirements are a government-issued photo ID showing your new address, proof of residency at the property (utility bill, bank statement, or voter registration), and the completed application form from your county assessor. For senior or veteran exemptions, you'll also need proof of age (birth certificate or passport) or military service records (DD-214). Some counties allow electronic submission; others require mail or in-person filing.

Can I appeal my assessed value AND file for exemptions at the same time?

Yes, and you should do both if you have grounds for both. They are completely separate processes with separate deadlines. An exemption application goes to the assessor's office and reduces your taxable value from the assessed value. An appeal challenges the assessed value itself and is filed with the local appeals board. Winning an appeal doesn't grant you exemptions; winning exemptions doesn't lower your assessed value.

What happens if the prior owner had an agricultural exemption and I'm not farming the land?

Rollback taxes are likely. Most states with agricultural exemptions require the land to keep qualifying use after sale, or they collect the tax difference between agricultural and market value going back 3 to 7 years, plus interest. Texas imposes a 5-year rollback ^[4]. Virginia goes back 5 years at 8% annual interest ^[7]. Get a written rollback tax estimate from your county assessor before closing on any rural parcel.

Is it too late to apply for exemptions if I've already owned the property for a year?

Possibly, but check your state's rules. In Texas, a late homestead application can be filed up to two years after the deadline with a modest penalty ^[4]. In California, the late filing window closes December 1 of the tax year, with a reduced 80% exemption benefit ^[6]. In Florida, there is no late filing; missing March 1 means waiting until the following year. Call your assessor and ask directly.

Will the assessor notify me when the prior owner's exemptions are removed?

In most counties, no. The assessment notice you get after the sale reflects the new, unexempted value, but it typically won't itemize what changed versus what the prior owner had. You have to look up the prior year's record yourself to make the comparison. A few counties include an exemption status section on the notice, but this is not universal.

How do I know if the seller disclosed their exemptions during the sale?

Sellers are generally not required to disclose property tax exemptions in most states. A responsible seller's agent or listing sheet might mention the current tax bill, but few explain that the figure is suppressed by exemptions you won't inherit. The safest approach is to look up the parcel yourself before making an offer and subtract any exemptions to estimate your own future tax liability.

What is the difference between assessed value, taxable value, and market value?

Market value is what the property would sell for between a willing buyer and seller. Assessed value is the county's official estimate, which may equal market value or be a set percentage of it depending on the state. Taxable value is assessed value minus any exemptions. Your tax bill is calculated by multiplying the taxable value by the local tax rate (the mill rate). Exemptions reduce taxable value, not assessed value.

Do veterans' exemptions transfer at sale?

No. Disabled veteran exemptions are among the most valuable property tax benefits available (up to 100% exemption in Texas for 100% service-connected disability ratings ^[4]) and they are entirely non-transferable. The qualifying veteran must personally own and occupy the property. A buyer who is themselves a qualifying veteran should apply immediately after closing. Non-veteran buyers will not qualify regardless of what the prior owner had.

Sources

1. National Conference of State Legislatures, Property Tax Exemptions: Property tax exemptions are tied to the qualifying owner, not the property itself, and expire upon transfer of ownership.
2. International Association of Assessing Officers, Public Access to Assessment Records: County assessors are required to maintain publicly accessible parcel records including assessed value and exemption status.
3. Lincoln Institute of Land Policy, Significant Features of the Property Tax (50-state data): Most U.S. states offer a homestead exemption for primary-residence owner-occupants that must be refiled by each new owner.
4. Texas Comptroller of Public Accounts, Property Tax Exemptions: Texas Tax Code Section 11.43 governs exemption applications; the mandatory homestead exemption is $100,000 for school taxes as of 2023; OV-65 freeze locks school district tax amount; late filing allowed up to two years with 10% penalty; disabled veteran 100% exemption available; 5-year agricultural rollback applies.
5. Florida Department of Revenue, Property Tax Exemptions: Florida Statute Section 196.011 requires homestead exemption applicants to own and occupy the property by January 1 and file by March 1 of the tax year; exemption reduces assessed value by up to $50,000.
6. California State Board of Equalization, Homeowners' Exemption: California Revenue and Taxation Code Section 218 provides a $7,000 homeowners' exemption; full exemption requires filing by February 15; 80% exemption available for late filers through December 1.
7. Virginia Department of Taxation, Land Use Assessment and Rollback Taxes: Virginia imposes rollback taxes on land removed from agricultural use going back 5 years, plus interest; agricultural exemption rollback windows range 3 to 7 years across states.
8. New York State Department of Taxation and Finance, STAR Program: New York STAR benefit for new homebuyers is delivered as a credit on the school tax bill and requires registration with the state rather than a local exemption application.
9. Urban Institute, Property Tax Appeals: Who Wins and Who Loses: Most jurisdictions require property tax appeals to be filed within 30 to 90 days of the assessment notice, with hard cutoff dates and no general exceptions.
10. Cook County Assessor's Office, Exemptions: Cook County offers homestead, senior, and senior freeze exemptions that all require new owner applications after a property sale.
11. Minnesota Department of Revenue, Homestead Classification: Minnesota homestead classification applications are due December 15 for the following assessment year; classification reduces both the tax rate applied and the taxable market value.
12. Los Angeles County Assessor, Homeowners' Exemption: Los Angeles County Homeowners' Exemption filing period opens February 15; late filers receive a reduced exemption through December 1 of the assessment year.