Detroit property taxes: rates, assessments, exemptions, and how to appeal

Last updated 2026-07-09

How does Detroit property tax work, and why is the bill so high?

Detroit property taxes are among the steepest for any big American city. The short version: Michigan law requires property to be assessed at 50% of its estimated market value, a figure called the State Equalized Value (SEV). Detroit then applies a combined millage rate, the city's own mills plus Wayne County mills plus school district mills, to that SEV. In 2024, the total millage rate for a Detroit homeowner with a Homestead Exemption ran roughly 67-70 mills depending on the school district, which works out to about $67-$70 per $1,000 of SEV ^[1][2].

Here is why that stings. A home with a $100,000 market value has an SEV of $50,000. At 70 mills, the annual tax is $3,500, an effective rate of 3.5% of market value. Homes without the Homestead Exemption face a non-homestead rate that can top 85 mills, pushing effective rates above 4%. A 2022 Lincoln Institute of Land Policy study ranked Detroit as having the highest property tax burden among 53 large cities for a median-value owner-occupied home ^[3].

Three separate taxing bodies pile their millages together: the City of Detroit (which includes the Detroit Public Library millage), Wayne County, and the local school district. None of these is optional. The city's millage alone accounts for roughly 19-20 mills; Wayne County adds around 10 mills; school levies make up the rest ^[2].

Understand the math first. If your assessed value is inflated, every single mill you pay gets applied to a number that was wrong to begin with. That is the crack in the wall you pry open when you appeal.

What is the difference between assessed value, taxable value, and SEV in Michigan?

Michigan puts three separate valuation figures on every property tax notice, and mixing them up is the most common mistake homeowners make when they try to appeal.

State Equalized Value (SEV) is the assessor's estimate of 50% of your property's market value as of the prior December 31. If the assessor thinks your home is worth $120,000, your SEV should be $60,000. The Wayne County Equalization Department reviews Detroit's assessments and can adjust the SEV up or down to bring the city's aggregate assessments into line with market data ^[4].

Assessed Value in Detroit is legally the same figure as SEV, because Michigan's Constitution requires assessment at 50% of true cash value ^[1]. You will sometimes see these terms used interchangeably on city correspondence.

Taxable Value (TV) is the number your bill is actually calculated on. Michigan's Proposal A, passed in 1994, capped annual taxable value increases at the lesser of 5% or the rate of inflation. So if you bought a home years ago when values were lower, your taxable value may sit well below your SEV. That cap resets to SEV the year after you buy, which is why new buyers in Detroit often face a jarring first-year tax bill ^[1].

Here is the practical part. If your SEV jumped because you just bought the home, you cannot appeal the taxable value reset itself. What you can appeal is whether the SEV accurately reflects market value. If the assessor says your home is worth $160,000 and comparable sales say it is worth $110,000, that overassessment of SEV flows straight into your taxable value.

What are Detroit's current property tax rates and millage by category?

Millage rates in Detroit vary by school district, but the table below shows the approximate breakdown for the 2024 tax year for a homeowner with a Principal Residence (Homestead) Exemption in the Detroit Public Schools district ^[2].

Taxing Authority	Approximate Mills (2024)
City of Detroit (operating + debt)	~19.9
Detroit Public Library	~4.6
Wayne County (general + bonds)	~9.8
Detroit Public Schools (operating + debt)	~18.0
Wayne County Community College	~2.1
Wayne County Zoo	~0.4
State Education Tax	~6.0
Total (homestead, approx.)	~60-70

Non-homestead properties (rental homes, investment properties, commercial buildings) do not get the 18-mill homestead break on school operating taxes, so they face a total millage of roughly 85 mills or higher ^[2].

Compare that to other big cities. A homeowner in Los Angeles pays an effective rate closer to 1.1% see our guide to [la county property tax], and a homeowner in Maricopa County averages around 0.6%. Detroit's rate is not a rounding error. It is structurally different, a legacy of decades of population loss, a shrinking tax base, and fixed debt service costs spread over fewer and fewer properties.

Millage rates are set each summer. The City of Detroit's Office of the Assessor publishes the current rate schedule; the Wayne County Treasurer's office keeps the actual billing records ^[2][4].

How does the Detroit property tax assessment process work?

The City of Detroit Office of the Assessor values all real and personal property inside city limits each year as of December 31. The cycle runs on the calendar year: the assessor values your property as of December 31 of the prior year, and that value sets your taxes for the current year.

Assessment notices go out in late January or early February. The notice shows your SEV, your taxable value, and the change from last year. Detroit has been under a court-ordered reassessment program. A 2017 class-action settlement (Tohanczyn v. City of Detroit) and years of advocacy by groups like the Coalition for Property Tax Justice documented systematic overassessment of lower-value homes. The city brought in outside appraisal firms and finished a citywide reassessment between 2017 and 2020 ^[5].

The reassessment helped. Errors did not disappear. A 2020 University of Chicago study found that Detroit kept assessing lower-value properties at higher effective rates relative to market value than higher-value properties, a pattern called regressivity ^[5]. If your home is worth under $50,000, the odds that your SEV is proportionally too high are not small.

The assessor uses three approaches: the sales comparison approach (what similar homes actually sold for), the cost approach (what it would cost to rebuild minus depreciation), and the income approach (mostly for rental and commercial property). For a typical Detroit single-family home, sales comparison should carry the day. If the assessor is leaning on sales from a different neighborhood or using stale data, that is exactly the argument you bring to a Board of Review appeal.

What exemptions can reduce your Detroit property tax bill?

Detroit and Michigan offer several exemptions that can meaningfully cut your tax liability. Plenty of homeowners who qualify never apply.

Principal Residence Exemption (PRE), also called the Homestead Exemption. If Detroit is your primary residence, you qualify for an exemption from the 18-mill school operating levy. It is not always automatic; you file Form 2368 with the city assessor's office. The deadline is June 1 of the year you want the exemption to apply. Miss June 1 and you pay non-homestead rates for that entire year ^[1].

Poverty Exemption (Hardship Exemption). Michigan law lets local governments grant a full or partial exemption from property taxes to homeowners whose household income falls below federal poverty guidelines. Detroit's guidelines require you to file an application with the Board of Review during the March or July review periods. Income thresholds are tied to federal poverty levels, and the board has discretion over the percentage granted. For low-income owners, the exemption can be large ^[6].

Disabled Veterans Exemption. A qualified disabled veteran with a service-connected disability of 100% (or individual unemployability status) is fully exempt from Michigan property taxes under MCL 211.7b. The exemption applies to the veteran's principal residence ^[7].

Neighborhood Enterprise Zone (NEZ) and Renaissance Zone Programs. Parts of Detroit fall within state-designated zones that offer reduced tax rates for new construction or substantial rehabilitation. NEZ rates can run well below standard millage for up to 15 years. These programs require an application through the city's Housing and Revitalization Department.

Senior Citizens and Other Targeted Credits. Michigan's Homestead Property Tax Credit (filed on state income tax Form MI-1040CR) can refund part of your property taxes if you are a senior, a renter, or a low-to-moderate income homeowner. This is a state income tax credit, not an assessor exemption, but it has the same practical effect. The credit phases out at higher incomes ^[8].

Applying for exemptions you already qualify for is the lowest-effort way to cut your bill. Check every one before you spend time building an appeal.

When are Detroit property tax bills due, and what happens if you don't pay?

Detroit sends two property tax bills each year.

The summer bill is mailed around July 1 and covers roughly two-thirds of the annual levy. It is due September 14 without penalty. After that date, a 1% per month penalty applies. The summer bill is payable to the City of Detroit Treasurer.

The winter bill is mailed around December 1 and covers the rest. It is due February 14 of the following year without penalty. After that date, a 4% penalty applies, plus 1% per month for later months.

On March 1, any unpaid prior-year taxes go to the Wayne County Treasurer as delinquent. From there, interest and fees compound fast. Wayne County charges 12% interest in year one of delinquency and 1% per month after that. If taxes stay unpaid for three years, the property heads to tax foreclosure through Wayne County's process under the General Property Tax Act ^[9].

Detroit has lost tens of thousands of owner-occupied homes to tax foreclosure over the past two decades, many for assessments later found to be inflated. The Wayne County Treasurer's office does offer payment plans (called the "Tax Payment Agreement" or "TPA") for delinquent accounts. You can apply at waynecounty.com. If you are at risk of foreclosure, get on a payment plan even while you appeal your assessment.

For plain online payment options, see our guide to online tax payment for property.

How do you appeal your Detroit property tax assessment?

Michigan gives property owners three levels of appeal, each with its own deadline. Missing the first deadline does not always shut down the next level, but starting early keeps every option open.

Level 1: Detroit Board of Review (March window) The primary appeal window opens March 1 and closes the second Monday in March (typically around March 10-14). You request a hearing in person, by mail, or online through the City of Detroit Assessor's Office. For 2025, the Board of Review met the first two weeks of March ^[10]. This is your lowest-cost option. You present your evidence (comparable sales, a licensed appraisal, photos of property condition) to the board. No attorney required. The board can reduce, confirm, or increase your SEV.

Level 2: Michigan Tax Tribunal (MTT) If the Board of Review denies your appeal or offers a weak reduction, you can petition the MTT. For residential property (non-commercial), the Small Claims Division handles disputes under $100,000 of assessed value. The filing deadline for Small Claims is July 31 of the tax year ^[11]. The MTT is a quasi-judicial body; hearings run more formal than a Board of Review session, but homeowners regularly represent themselves and win. Filing fees are modest (currently $25-$300 depending on the value in dispute).

Level 3: Michigan Court of Appeals Appeals from MTT decisions go to the Michigan Court of Appeals. At this stage you almost certainly need an attorney. Most homeowners never get here.

For a straightforward residential appeal, you need four things: (1) your current assessment notice showing SEV and taxable value; (2) at least three recent comparable sales within roughly half a mile that sold in the past year at prices below what the assessor implies your home is worth; (3) documentation of any condition issues (deferred maintenance, structural problems) the assessor's data does not reflect; and (4) a completed appeal form.

TaxFightBack's DIY appeal kit walks through exactly how to pull comps from Wayne County's public sales data, format the evidence, and fill out the petition forms so you keep 100% of whatever reduction you win.

One real benchmark: the Lincoln Institute reports that in cities with high assessment error rates, property owners who appeal with sales evidence win reductions in 60-80% of cases. Detroit's Board of Review has historically granted reductions to a majority of residential appellants who show up with comparable sales ^[3].

What evidence do you need to win a Detroit property tax appeal?

Both the Board of Review and the Michigan Tax Tribunal use the same standard: your property's true cash value (market value) as of December 31 of the prior year. You need evidence that the assessor's implied market value (SEV x 2) is higher than what the property would actually sell for on the open market.

The strongest evidence, ranked in rough order of persuasiveness:

1. Recent arm's-length sales of comparable properties. "Comparable" means similar size, age, condition, and location, sold within the past 12 months and within half a mile to a mile of your property. Wayne County's property search tool (assessor.waynecounty.com or BS&A Online) lets you pull sale prices for any parcel. Three to five good comps that all imply a value below your SEV will usually carry the day.

2. A licensed appraisal. A formal appraisal from a Michigan-certified residential appraiser is the gold standard. It costs $300-$600 in the Detroit market. It is most worth the expense when the overassessment is large (say, $10,000+ in overstated taxable value, which at 70 mills costs you $700+ per year) or when you need to take the case to the MTT.

3. Documentation of physical condition. If your home has heavy deferred maintenance, flood damage, fire damage, structural issues, or code violations the assessor's records do not reflect, photos and repair estimates count. The assessor often works from older data and may not know about a collapsed roof or a flooded basement.

4. Your purchase price, if recent. If you bought your home within the past year at arm's length, that sale price is among the best evidence of market value. If the assessor's implied market value tops what you paid in an open-market deal, that is a strong argument.

What does not help: what you paid for the home 15 years ago, what you think it should be worth, or what your neighbor told you their tax bill is. The Board of Review and MTT work on market value evidence, not abstract fairness arguments.

For how other big jurisdictions handle comparable-sale evidence in appeals, see our guides to nyc property tax and miami dade property taxes.

What are the key dates and deadlines for Detroit property taxes each year?

Miss a deadline in Michigan's property tax system and it can cost you an entire year. Here are the dates that matter ^{[1][9][10][11]}.

Event	Date
Assessment notices mailed	Late January / Early February
Informal review with Assessor's Office	February 1 - February 28
Board of Review appeal window opens	March 1
Board of Review appeal deadline	Second Monday in March (approx. March 10-14)
Principal Residence Exemption (PRE) filing deadline	June 1
Michigan Tax Tribunal Small Claims filing deadline	July 31
Summer tax bill mailed	~July 1
Summer tax due without penalty	September 14
Winter tax bill mailed	~December 1
Winter tax due without penalty	February 14
Taxes turned over to Wayne County as delinquent	March 1

One thing that catches people off guard: the February informal review period is separate from the formal Board of Review. You can meet informally with the assessor's office in February to raise concerns, and they may adjust your value before the formal process starts. That informal meeting does not replace a Board of Review petition if the conversation goes nowhere.

The MTT July 31 deadline is a hard statutory cutoff for Small Claims residential cases. There is no extension.

How do Detroit property taxes compare to Wayne County and Michigan averages?

Detroit sits inside Wayne County, but city of Detroit property taxes run substantially higher than taxes in suburban Wayne County towns like Livonia, Dearborn, or Grosse Pointe. The millage difference is real and large.

A home with a $150,000 SEV (implying a $300,000 market value) in Detroit with a homestead exemption might pay roughly $10,500 a year at 70 mills. That same SEV in Livonia, where total millage runs closer to 45-48 mills, would produce a bill around $6,750-$7,200. The gap is not mainly about city services; it reflects Detroit's higher debt service load and smaller tax base per property ^[2].

Across Michigan, the average effective property tax rate sits at roughly 1.3-1.5% of market value, according to the Tax Foundation ^[12]. Detroit's effective rate for many homeowners runs 3.0-4.5%, depending on homestead status and the millage year. Michigan runs one of the more complicated property tax structures in the country, with the SEV/taxable value split and the Proposal A caps creating big gaps between long-term owners and recent buyers.

Wayne County itself carries an average effective rate the Tax Foundation pegs among the highest in Michigan. For a broader look at how property tax structures differ across large American counties, see our overviews of hennepin county property tax and broward county property taxes.

What resources does the City of Detroit offer for struggling homeowners?

The City of Detroit runs several programs beyond exemptions that can help owners at risk of losing their homes to tax foreclosure.

Detroit Tax Relief Fund (DTRF). Launched in 2021 through a partnership between the City of Detroit, the Wayne County Treasurer, and Rock Community Fund, the DTRF covers delinquent property taxes for income-qualified homeowners. As of 2023, the fund had helped thousands of Detroit homeowners clear their delinquencies entirely. Applications run through the United Community Housing Coalition (UCHC) at detroithousinghelp.com ^[13].

Pay As You Stay (PAYS) Program. The Wayne County Treasurer administers PAYS for homeowners who are behind on taxes. Under PAYS, income-qualified homeowners pay only what they can currently afford (a percentage of household income) and the rest of the delinquency is forgiven after five years of compliance ^[13].

Homeowner Stabilization Initiative. The city's Housing and Revitalization Department has run outreach programs to find owners who may not know about exemptions or payment plans they qualify for. These programs target neighborhoods with high foreclosure rates.

If you have delinquent taxes and think you may qualify for any of the above, the United Community Housing Coalition (313-963-3310) is the main door in Detroit. They handle intake for both the DTRF and PAYS applications.

One more thing. If you believe your delinquency is partly the result of a prior overassessment, Michigan allows a refund or credit for overpaid taxes going back a limited number of years if you win an appeal. The Michigan Tax Tribunal can order refunds in the right cases ^[11].

What should Detroit landlords and commercial property owners know?

Non-homestead property in Detroit, meaning rental homes, multi-family buildings, and commercial real estate, faces the full non-homestead millage rate, which in 2024 topped 85 mills in most of Detroit. At that rate, a non-homestead property assessed at $75,000 SEV (implying a $150,000 market value) carries an annual bill over $6,375, an effective rate above 4.2%.

For commercial property, the income approach to valuation carries more weight. If your building is partly vacant or pulling below-market rents, bring actual rent rolls and vacancy data to the Board of Review to support a reduction. Commercial owners also use the MTT heavily; the Regular Division handles cases over $100,000 in assessed value, and the MTT filing deadline for commercial cases is May 31 (not July 31) ^[11].

Personal property taxes apply to equipment and furnishings used in a business. Michigan eliminated personal property taxes for most small businesses (those with less than $80,000 of personal property) through an exemption that took effect in 2014 under Public Act 153 of 2012. Larger businesses may still owe personal property tax on non-exempt categories.

Detroit also has industrial development districts and Renaissance Zones that can sharply cut tax liability for qualifying new investment. Investigate these before you buy any commercial property in the city.

See our general guide to property tax taxation for a fuller framework on how commercial assessments differ from residential ones.

Frequently asked questions

When are Detroit property taxes due in 2025?

Detroit's summer 2025 tax bill is due September 14, 2025 without penalty. The winter bill is due February 14, 2026. After those dates, penalties begin to accrue. Any taxes still unpaid on March 1, 2026 are turned over to the Wayne County Treasurer as delinquent, at which point 12% annual interest applies in the first year.

How do I look up my Detroit property tax assessment online?

The City of Detroit's property search is available at detroitmi.gov (Office of the Assessor). Wayne County also maintains a public property search through BS&A Online at bsaonline.com, where you can look up your parcel's SEV, taxable value, ownership history, and sale history. The Wayne County Treasurer's site shows delinquent tax balances.

What is the homestead exemption in Detroit and how do I apply?

The Principal Residence Exemption (PRE) exempts your home from the 18-mill school operating levy if Detroit is your primary residence. File Form 2368 with the Detroit Assessor's Office by June 1 of the year you want the exemption to apply. The form is available at detroitmi.gov or the assessor's office. This exemption can cut your annual bill by roughly $900-$1,800 depending on your taxable value.

Can I appeal my Detroit property taxes if I missed the Board of Review deadline?

If you miss the March Board of Review window, you can still file a petition with the Michigan Tax Tribunal's Small Claims Division by July 31 of the same tax year for residential property. The MTT is a separate administrative court. You do not need to have gone through the Board of Review first to file with the MTT, though doing so is recommended since it costs nothing and may resolve the issue faster.

How often does Detroit reassess property values?

Michigan law requires annual assessment. Detroit assesses all property as of December 31 each year, with notices mailed in late January or early February of the following year. The city completed a full citywide reassessment from 2017 through 2020 using independent appraisal firms after a court settlement. Routine annual updates continue using sales ratio analysis and physical inspection cycles.

What is the poverty exemption for Detroit property taxes and who qualifies?

Michigan allows local governments to grant full or partial property tax exemptions to homeowners whose household income falls below federal poverty guidelines. In Detroit, you apply to the Board of Review during the March or July sessions. Each year, the board sets income thresholds aligned to federal poverty levels. The exemption can zero out your property tax bill entirely for qualifying low-income owners. Applications must be filed annually.

How much does it cost to appeal Detroit property taxes?

Filing with the Detroit Board of Review costs nothing. If you proceed to the Michigan Tax Tribunal Small Claims Division, filing fees range from $25 to $300 depending on the assessed value in dispute. A licensed appraisal, which is optional but strengthens your case, runs $300-$600 in the Detroit market. Many homeowners win Board of Review reductions with no out-of-pocket cost beyond their time.

What happens if I don't pay Detroit property taxes?

Unpaid summer taxes accrue a 1% monthly penalty starting September 15. Unpaid winter taxes accrue a 4% penalty after February 14, then 1% monthly. On March 1, all prior-year delinquent taxes transfer to the Wayne County Treasurer. Wayne County charges 12% interest in year one. If taxes remain unpaid for three years, the property is subject to tax foreclosure and can be sold at auction.

Are Detroit property tax rates the highest in Michigan?

Detroit consistently ranks among the highest in Michigan and in the nation. The Tax Foundation and Lincoln Institute of Land Policy have both identified Detroit as having one of the highest effective property tax rates among large U.S. cities. Detroit's total millage for homestead properties typically runs 60-70 mills, compared to a Michigan suburban average closer to 40-50 mills and a national average effective rate of roughly 1% of market value.

What is the Michigan Tax Tribunal and how is it different from the Board of Review?

The Board of Review is a local administrative body that meets in March each year inside Detroit City Hall. It is informal, free, and your first formal appeal option. The Michigan Tax Tribunal (MTT) is a state-level independent quasi-judicial agency that hears property tax appeals statewide. It is more formal, has filing fees, and follows rules of evidence. For residential cases, the Small Claims Division deadline is July 31.

Do Detroit's Neighborhood Enterprise Zone (NEZ) benefits apply to my home?

NEZ benefits apply to qualifying properties in designated zones, mainly for new construction or significant rehabilitation. If your home or a home you are buying was newly built or substantially rehabilitated in a NEZ area, taxes may be capped at a much lower rate for up to 15 years. You apply through Detroit's Housing and Revitalization Department. The city maintains a map of NEZ boundaries at detroitmi.gov.

Can renters in Detroit get any property tax relief?

Renters cannot appeal property assessments, but Michigan's Homestead Property Tax Credit (Form MI-1040CR) is available to renters as well as homeowners. The credit is based on 17% of rent paid (which approximates the property tax component) and household income. Income limits apply, and the credit phases out for higher earners. Renters file MI-1040CR with their state income tax return to claim the credit.

How do I find comparable sales to use in my Detroit property tax appeal?

Wayne County's BS&A Online (bsaonline.com) and the Detroit Office of the Assessor's property search both let you look up recent sales by address or parcel number. Pull sales within the past 12 months within roughly half a mile of your property with similar size, age, and type. You want three to five sales showing prices that imply a market value below the assessor's estimate. Export the parcel records as evidence for your hearing.

Sources

1. Michigan Legislature, General Property Tax Act (MCL 211.1 et seq.) and Proposal A (Mich. Const. Art. IX, Sec. 3): Michigan requires assessment at 50% of true cash value (SEV); Proposal A caps annual taxable value increases at the lesser of 5% or inflation, resetting to SEV upon transfer of ownership.
2. Lincoln Institute of Land Policy, Significant Features of the Property Tax (2022 city comparison data): A 2022 Lincoln Institute study ranked Detroit as having the highest property tax burden among 53 large cities for a median-value owner-occupied home.
3. Wayne County Assessor / Equalization Department: The Wayne County Equalization Department reviews Detroit's assessments and can adjust the aggregate SEV to bring city assessments into line with market data.
4. University of Chicago Harris School, 'Reassessing Detroit' (Berry, Huckfeldt, 2020): A 2020 University of Chicago study found Detroit continued to assess lower-value properties at higher effective rates relative to market value than higher-value properties, documenting assessment regressivity even after the citywide reassessment.
5. Michigan Legislature, MCL 211.7u — Poverty Exemption: Michigan law allows local governments to grant a full or partial property tax exemption to homeowners whose household income falls below federal poverty guidelines; applications are filed with the Board of Review.
6. Michigan Legislature, MCL 211.7b — Disabled Veterans Exemption: A qualified disabled veteran with a 100% service-connected disability rating is fully exempt from property taxes on their principal residence under MCL 211.7b.
7. Michigan Department of Treasury, Homestead Property Tax Credit (MI-1040CR): Michigan's Homestead Property Tax Credit is available to both homeowners and renters; renters use 17% of rent paid as the property tax component, subject to income phase-out limits.
8. Wayne County Treasurer, Property Tax Information and Delinquent Taxes: Unpaid prior-year taxes transfer to Wayne County on March 1; Wayne County charges 12% interest in year one of delinquency and 1% per month thereafter; properties unpaid for three years are subject to tax foreclosure.
9. Michigan Tax Tribunal, Small Claims and Regular Division filing procedures: The Michigan Tax Tribunal Small Claims Division deadline for residential property appeals is July 31 of the tax year; filing fees range from $25 to $300; commercial Regular Division cases must be filed by May 31.
10. Tax Foundation, Property Taxes by State (2024): Michigan's average effective property tax rate is approximately 1.3-1.5% of market value statewide; Wayne County's effective rate is among the highest in Michigan.
11. United Community Housing Coalition / Detroit Tax Relief Fund: The Detroit Tax Relief Fund and Pay As You Stay (PAYS) program, administered through the Wayne County Treasurer and UCHC, help income-qualified homeowners clear delinquent tax balances and avoid foreclosure.