By Sam Avila | Avila Home Group | Keller Williams Grand Rapids East
November 2, 2026
Short answer: often, yes. When a Michigan property has a qualifying transfer of ownership, its taxable value generally “uncaps” in the calendar year after the transfer and is reset to the property’s state equalized value for that year. If the previous owner held the home for many years, the seller’s taxable value may be substantially lower than the value used after your purchase.
That means the property-tax amount shown on a listing, or even the seller’s latest tax bill, may not be a reliable estimate of your future bill.
The increase is not automatically based on half of your purchase price. Michigan assessors determine true cash value and assessed value using their normal valuation methods. The purchase price is relevant market evidence, but state guidance says an assessor may not simply “follow the sale” and set value at half the selling price.
For a buyer, the planning lesson is simple:
Estimate the post-purchase tax bill before deciding whether the total monthly payment is comfortable.
Why this question matters right now
Over the three months ending September 2026, the median Grand Rapids home sold for approximately $310,000, according to Redfin, up 3.3% from a year earlier. At that price level, even a moderate difference between the seller’s current taxable value and the post-transfer value can materially change a buyer’s annual taxes and escrow payment.
Financing costs also remain important. Freddie Mac reported that the national average for a 30-year fixed mortgage was 7.24% on October 29, 2026. That is not an individual quote, but it means buyers have less room for overlooked expenses.
The principal-and-interest payment on a fixed-rate loan may stay the same, while the total payment changes because property taxes and homeowners insurance are usually part of escrow. The Consumer Financial Protection Bureau confirms that when taxes or insurance change, the escrow portion, and therefore the total monthly mortgage payment, can change.
This is one reason Avila Home Group encourages buyers to set a comfortable payment limit instead of simply purchasing at the maximum preapproval amount.
The four Michigan property-value terms buyers need to know
True Cash Value
Michigan law generally defines true cash value as the property’s usual selling price in a private, arm’s-length transaction. It is a market-value concept determined by the local assessor.
Assessed Value
Assessed value is generally set at no more than 50% of true cash value. After county and state equalization, the term State Equalized Value, or SEV, is used.
Taxable Value
Taxable value is the amount used to calculate the property-tax bill. The basic calculation is:
Taxable value ÷ 1,000 × applicable millage rate = estimated property tax
Administration fees, special assessments and the way local millages are billed can affect the final amount.
Capped Value
While the same owner continues to hold the property, increases in taxable value are generally limited to the lower of 5% or the applicable inflation rate, with adjustments for additions and losses.
That cap can create a growing difference between assessed value and taxable value. When a qualifying transfer occurs, the taxable value is generally uncapped the following year.
What “uncapping” means after you buy
Consider a homeowner who purchased a property years ago. The home’s assessed value may have increased with the market, but the taxable value remained capped under Michigan’s Proposal A rules.
When you purchase the property:
the transfer occurs in the closing year;
the local assessor determines whether it is a transfer of ownership under Michigan law;
the taxable value generally remains under the existing calculation for the remainder of that calendar year; and
in the following calendar year, the taxable value is generally set to that year’s SEV.
After that reset, future annual increases are capped again until another qualifying transfer or an applicable change.
Some transfers are exempt from uncapping. Family, trust, entity and estate transactions can be highly fact-specific. Buyers should not assume an exception applies without confirmation from the assessor and, when needed, a Michigan attorney or tax professional.
A simple illustration
Assume a West Michigan home currently shows:
seller’s taxable value: $92,000;
current assessed value: $157,000; and
illustrative applicable tax rate after a full Principal Residence Exemption: 34 mills.
Using a simplified calculation:
CalculationTaxable valueRateEstimated annual taxBased on seller’s current taxable value$92,00034 mills$3,128Illustrative post-transfer value$157,00034 mills$5,338
The illustrative difference is $2,210 per year, or approximately $184 per month.
This is not a quote or prediction for a specific property. Actual taxes depend on the assessor’s value, local millages, PRE status, administration fees, special assessments, timing and any exemptions.
The example shows why copying the current bill into a mortgage budget can understate the future payment.
Does the assessor set taxable value at half the purchase price?
Not automatically.
Michigan Treasury guidance states that the purchase price is not the presumptive true cash value. The assessor must value the transferred property using the same valuation approach used for other property of the same classification in the jurisdiction.
In practice, the sale is relevant evidence, but the assessor may also analyze:
comparable sales;
property characteristics;
condition and improvements;
land and building data;
neighborhood or market area; and
mass-appraisal models.
For planning, buyers sometimes use an estimated value near half of market value as a rough starting point for taxable value. That estimate should never be presented as a guaranteed bill.
The more reliable steps are to:
identify the municipality and school district;
review the current assessed and taxable values;
check the applicable millage rates;
use Michigan’s Property Tax Estimator; and
contact the local assessor when the result materially affects affordability.
How the Principal Residence Exemption changes the bill
Michigan’s Principal Residence Exemption, commonly called the PRE, exempts an eligible principal residence from the local school operating millage, generally up to 18 mills. It does not eliminate all property taxes.
To claim the exemption, an eligible owner must file Form 2368, Principal Residence Exemption Affidavit, with the city or township assessor.
The statewide filing deadlines are generally:
June 1 for the summer tax levy; and
November 1 for the winter tax levy.
Local billing practices matter. The City of Grand Rapids notes that its school operating tax is usually billed on the summer cycle, making the June 1 deadline especially important there.
The PRE is based on ownership, occupancy and eligibility. It does not apply merely because the buyer intends to live in Michigan someday. Do not claim it for a property that does not meet the requirements.
If the seller has a PRE, do not assume it will automatically continue for the buyer. Confirm what will be filed at closing and follow up with the local assessor.
The Property Transfer Affidavit requirement
Michigan requires the new owner to file the Property Transfer Affidavit, Form 2766/L-4260, with the assessor for the city or township where the property is located.
The form is generally due within 45 days of the transfer.
This is separate from the PRE affidavit. Filing one does not replace the other.
Closing professionals often help provide forms, but the buyer should confirm they were completed, delivered to the correct assessor and accepted. Michigan Treasury guidance notes that filing the Property Transfer Affidavit is mandatory and that penalties may apply when it is late.
Why your mortgage payment can increase later
For many mortgages, the servicer collects one-twelfth of expected annual property taxes and insurance each month and pays the bills from an escrow account.
If the initial escrow calculation relies on the seller’s lower tax bill, the servicer may later discover that:
the new tax bill is higher;
the escrow account is short; and
a larger monthly deposit is needed for the following year.
The payment can rise for two reasons at the same time:
the ongoing monthly escrow amount increases to cover the new annual bill; and
the servicer may collect additional money over time to repay an escrow shortage.
The loan’s fixed principal-and-interest payment did not necessarily change. The total mortgage payment changed because escrow changed.
Ask the lender or loan officer to underwrite and explain the payment using a reasonable post-transfer tax estimate, not only the seller’s current bill.
Property-tax planning before making an offer
1. Locate the correct parcel
Confirm the parcel number, municipality and school district. A postal address alone may not identify every taxing detail.
2. Read the current assessment record
Record:
assessed value;
taxable value;
PRE percentage;
current millage information;
special assessments; and
the last transfer date.
3. Do not treat the current tax bill as your future bill
Use it to understand the property’s history, not as the final affordability number.
4. Run a post-transfer estimate
Use the Michigan Department of Treasury Property Tax Estimator and the local municipality’s current millages. Run more than one scenario if the future assessed value is uncertain.
5. Confirm PRE eligibility
If the home will be your principal residence, learn what must be filed and by which deadline. If it will be a rental, second home or partly non-principal use, the calculation may be different.
6. Ask the lender to show the full payment
Review principal, interest, mortgage insurance if applicable, estimated property taxes, homeowners insurance and association dues.
7. Keep room for adjustment
Even a careful estimate is not a final tax bill. Preserve monthly budget flexibility and cash reserves.
Questions to ask before closing
Ask your real estate professional, lender, title company and local assessor:
What is the current taxable value and assessed value?
When did the last ownership transfer occur?
Is the current bill based on a PRE?
What millages and special assessments apply?
What post-transfer taxable value is being used for the payment estimate?
Could the escrow payment change after the next tax bill?
Who will file the Property Transfer Affidavit?
Who will provide the PRE affidavit if I qualify?
Which filing deadline applies to this municipality’s billing cycle?
Is there anything unusual about the property’s ownership or classification?
The answer to “What are the taxes?” should include both the current bill and a reasonable future estimate.
Situations that need extra attention
New construction
An incomplete or recently completed home may have a current tax record based largely on land or partial improvements. Taxes can change when the completed building is added to the assessment. Ask the assessor and lender to model the completed property.
Condominiums
Confirm the individual unit’s tax parcel, PRE and association dues. Association fees are separate from property taxes.
Multi-unit property
The PRE percentage and school operating tax may depend on the portion occupied as the owner’s principal residence. Confirm with the assessor.
Rental or second home
Properties that do not qualify as a principal residence generally do not receive the PRE school-operating exemption. Use the correct non-PRE calculation.
Family, trust or estate transfers
Michigan law contains specific exceptions and definitions. Do not assume a transfer will or will not uncap based only on the parties’ relationship.
Local millage changes or special assessments
Uncapping is not the only reason taxes can change. Voter-approved millages, expiring millages, special assessments, physical additions and assessment changes may also affect the bill.
Expert insights from Avila Home Group
The listing tax figure answers the wrong question
It tells you what the current owner was billed under the current record. Buyers need to ask what the property may be taxed at after the transfer.
A preapproval maximum is not a comfort level
An approval can be technically valid while the future tax-adjusted payment feels too tight. Decide on a payment that leaves room for utilities, maintenance, repairs and savings.
Taxes should be reviewed before the offer, not after inspection
The property-tax estimate can influence the price range and monthly budget. It belongs near the beginning of the buying process.
Use a range when the future assessment is uncertain
A low, expected and higher tax scenario is more useful than one falsely precise number.
The forms are part of the homeowner experience
Filing the transfer affidavit and eligible PRE claim helps avoid delays, penalties or preventable tax surprises. Keep copies with the closing documents.
Frequently asked questions
1. Will my Michigan property taxes definitely increase after I buy?
Not in every situation, but a qualifying transfer generally causes taxable value to uncap in the following calendar year. The result depends on the new SEV, millages, PRE and other factors.
2. When does the uncapping happen?
Generally, in the calendar year after the qualifying transfer. A 2026 purchase would generally affect taxable value for the 2027 tax year.
3. Is taxable value automatically half of my purchase price?
No. Michigan guidance says the purchase price is not automatically presumed to be true cash value. The assessor must use the jurisdiction’s normal valuation methods.
4. What is the Principal Residence Exemption?
The PRE generally exempts an eligible Michigan principal residence from the local school operating millage, up to 18 mills. It does not remove all property taxes.
5. Does the seller’s PRE automatically transfer to me?
Do not assume it does. An eligible buyer must claim the exemption by filing the required affidavit with the local assessor.
6. Can my fixed-rate mortgage payment rise because of property taxes?
Yes. Principal and interest may remain fixed, while the escrow portion changes when taxes or insurance change. An escrow shortage can also increase the payment temporarily.
7. Where can I estimate Michigan property taxes?
Use the Michigan Department of Treasury Property Tax Estimator, current local millages and information from the city or township assessor.
8. What should I do if I think the assessment is wrong?
Contact the local assessor promptly and review the notice, dates and appeal process. Michigan assessment appeals have strict procedures and deadlines.
Your next step
Before you decide what price feels comfortable, let’s review the complete monthly payment, not only principal and interest.
Avila Home Group can help you:
identify the correct taxing jurisdiction;
review the current assessment record;
run post-transfer property-tax scenarios;
coordinate questions for the lender and assessor; and
build a budget that leaves room for real life.
Schedule a buyer-planning conversation:
https://calendly.com/sam-avilahomegroup/30min
You can also call 616-229-5082 or email sam@avilahomegroup.com.
Every move begins with a plan.
This article is educational and does not provide tax, legal or lending advice. Property taxes, assessments, exemptions, millages and escrow calculations vary. Confirm property-specific information with the local assessor, lender, closing professional and appropriate licensed advisors.
Related buyer resources
Continue planning with our West Michigan buyer resources and mortgage and affordability calculators.
Sources
Reviewed November 2, 2026. Estimates are property specific.
Sam Avila, Associate Broker | Avila Home Group
Keller Williams Grand Rapids East
Equal Housing Opportunity.
