AppealDesk

Polk County Property Tax Appeal, Iowa

Travis BunnTravis Bunn·Updated July 24, 2026

Polk County is Iowa's most populous county with over 519,000 residents, serving as the state's economic and governmental hub. The county seat is Des Moines, which is also Iowa's capital and largest city, with other major population centers including Ankeny, West Des Moines, Urbandale, and Johnston. Property tax appeals are particularly important here because Polk County's effective tax rate of 1.69% is significantly higher than the national median of 1.02%, and the median annual property tax bill of $3,904 exceeds the national median of $2,400 by $1,504. With median home values around $258,000 and property assessments conducted biennially, homeowners face substantial tax burdens that make appeals a critical tool for ensuring fair valuations.

Notable cities: Des Moines, Ankeny, West Des Moines, Urbandale, Johnston

Median Home

$258,000

Tax Rate

1.69%

Annual Tax

$3,904

Population

519,581

On the typical Polk County home, valued near $258,000 at the county’s effective tax rate of 1.69%, an over-assessment of even 10% means you are overpaying year after year until you appeal it. Here is how to find out if yours qualifies.

2026 Appeal Deadline: April 2-30, 2026

This year's appeal window has passed in most of Iowa. Order now and we re-run your numbers free when the window reopens, so your evidence is ready the day your next notice lands.

Property owners must file their written protest with the Polk County Board of Review between April 2 and April 30 each year. If April 30 falls on a weekend, the deadline extends to the following business day. For 2026, this means protests must be filed or postmarked between April 2 and April 30, 2026. An informal review period with the assessor is available April 2-25 for those who wish to resolve concerns before filing a formal protest.

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How Polk County Assesses Property

100%of market value

Assessed by: Polk County Assessor's Office

Assessment cycle: biennial

Notices typically mailed: March-April

In Polk County, Iowa assesses property at 100% of market value as of January 1 of each assessment year, with biennial revaluations occurring in odd-numbered years. However, a residential rollback percentage is then applied statewide to determine taxable value. For example, if your home's market value is $258,000 at Iowa's 100% assessment ratio, your assessed value would be $258,000. A residential rollback (which varies annually but has recently been around 55%) would then be applied, making the taxable value approximately $141,900, resulting in approximately $4,364 in annual taxes at the county's median effective rate of 1.69% before any exemptions.

The Appeal Process

Appeals are heard by the Board of Review. The Board of Review meets annually in May to consider protests. If you requested an oral hearing, you will present your case, evidence, and comparable sales to Board members who may ask questions and consult with assessor staff. The Board issues written decisions after hearings conclude and has authority to adjust assessments upward or downward.

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Step 1: Request an informal review with the Polk County Assessor between April 2-25 if you wish to discuss your assessment concerns before filing a formal protest. This is optional but can resolve issues without a formal hearing.

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Step 2: File a written protest (Petition to Board of Review) between April 2-30, 2026. The petition must be signed and must specify grounds for appeal: inequity compared to similar properties, excessive valuation, incorrect classification, assessment errors, or fraud. Request an oral hearing in writing if you want to present your case in person.

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Step 3: Gather supporting evidence including comparable sales data from properties sold within the past year, photographs documenting property condition issues, repair estimates, independent appraisals, and any documentation of assessment errors or special circumstances affecting your property's value.

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Step 4: Attend the Board of Review hearing in May 2026 if you requested an oral hearing. Present your evidence, explain why your assessment is incorrect, and answer questions from Board members. The Board has authority to confirm, increase, or decrease your assessment.

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Step 5: Receive the Board of Review's written decision. If you disagree with the decision, you have two options: appeal to the Iowa Property Assessment Appeal Board (PAAB) within 20 days of the Board's adjournment (or by June 20 if adjourned before May 31), or appeal to District Court within 20 days of adjournment. PAAB appeals can be filed electronically through their eFile system or by mail.

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Step 6: If appealing to PAAB, file your Notice of Appeal either electronically at paab.iowa.gov or by mail to PAAB, P.O. Box 10486, Des Moines, IA 50306. PAAB conducts de novo review and may hold hearings or written consideration.

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Step 7: As a final option, if dissatisfied with PAAB's decision, you may appeal to Iowa District Court within 30 days of PAAB's ruling. District Court provides another level of independent review with full consideration of evidence.

Required form: Petition to Board of Review form (available on county website) or written protest letter

Filing Methods

email:protest@assess.co.polk.ia.us
mail:Polk County Assessor, 111 Court Ave, Rm 195, Des Moines, IA 50309
fax:515-286-3386
in-person:Polk County Administration Building, 111 Court Ave, Room 195, Des Moines, IA 50309

Evidence to Bring

Comparable sales data from similar properties sold within the past 12 monthsPhotographs documenting property condition, defects, or damageIndependent professional appraisal reportRepair estimates or contractor bids for needed workDocumentation of assessment errors or incorrect property characteristics

Polk County Assessor Contact

Polk County Assessor's Office

Website: https://www.assess.co.polk.ia.us/

Online Portal: https://www.assess.co.polk.ia.us/cgi-bin/web/tt/info.cgi?tt=query%2Fcontents%2Fqueryforms

Hours: 7:00 AM to 4:30 PM, Monday through Friday

Tax Exemptions in Polk County

Homestead Tax Credit

Varies by assessment year; state-funded credit that reduces taxable value

Iowa's homestead tax credit provides property tax relief for owner-occupied primary residences. The credit reduces the taxable value of your home.

Eligibility: Must own and occupy the property as your primary residence on July 1 for at least six months during the calendar year, and declare Iowa residency for income tax purposesDeadline: July 1 (or next business day if July 1 falls on weekend)

Homestead Exemption for Seniors (65+)

$6,500 reduction in taxable value (for assessment years beginning January 1, 2024 and after)

New exemption enacted in 2023 specifically for senior homeowners age 65 and older that reduces taxable value beyond the standard homestead credit.

Eligibility: Must be age 65 or older as of January 1 of the assessment year, own and occupy the property as homestead, meet same residency requirements as homestead creditDeadline: July 1 (or next business day if July 1 falls on weekend)

Military Service Property Tax Exemption

$4,000 reduction in taxable value (increased from $1,852 for assessment years beginning January 1, 2023)

Provides a reduction in taxable value for qualifying veterans and active military personnel.

Eligibility: Honorably discharged veterans who served minimum 18 months or during wartime, or current/former Reserve or National Guard members with 20+ years or 90+ days federal active duty. Unremarried surviving spouses also qualify.Deadline: July 1 (or next business day if July 1 falls on weekend)

Disabled Veteran Homestead Tax Credit

100% exemption from all property taxes

Provides 100% property tax exemption for qualifying disabled veterans and DIC recipients.

Eligibility: Veterans with 100% service-connected disability rating, or surviving spouses receiving Dependency and Indemnity Compensation (DIC). Must own and occupy as homestead and meet residency requirements.Deadline: July 1 (or next business day if July 1 falls on weekend)

Senior and Disabled Property Tax Credit

Up to $1,000 maximum credit or reimbursement

State-funded property tax credit for low-income seniors and totally disabled persons.

Eligibility: Age 65-69 or totally disabled (age 18+) with total household income less than $26,219; or age 70+ with income meeting applicable thresholds. Must be Iowa resident and property owner/contract buyer by June 30 of prior tax year.Deadline: June 1 (filed with Polk County Treasurer, not Assessor)

Polk County Appeal Statistics

Avg Reduction

$1,515

Polk County Appeal Packet · $49

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Polk County for 2026?
The deadline to file a property tax appeal in Polk County is April 2-30, 2026. Your written protest must be filed or postmarked with the Polk County Board of Review during this window. If April 30 falls on a weekend, the deadline extends to the following business day. Missing this deadline means you must wait until the next assessment year to appeal, so it's critical to file on time. You can also request an informal review with the assessor between April 2-25 before filing your formal protest.
How do I file a property tax appeal in Polk County online or by mail?
You can file your Polk County property tax appeal by email to protest@assess.co.polk.ia.us, by fax to 515-286-3386, by mail to Polk County Assessor, 111 Court Ave, Rm 195, Des Moines, IA 50309, or in person at the same address. You must use the Petition to Board of Review form available on the county website at www.assess.co.polk.ia.us, or submit a signed written protest letter. Be sure to request an oral hearing in writing if you want to present your case in person before the Board of Review in May.
What is the homestead exemption worth in Polk County, Iowa?
In Polk County, the standard Iowa Homestead Tax Credit reduces your taxable property value by a state-funded amount that varies annually. Additionally, homeowners age 65 and older qualify for an enhanced exemption worth $6,500 in reduced taxable value (for assessment years beginning January 1, 2024 and after). Both exemptions require that you own and occupy the property as your primary residence for at least six months each year and declare Iowa residency for income tax purposes. You must file by July 1, but once approved, the exemption continues automatically as long as you remain eligible.
What happens at a Board of Review hearing in Polk County?
The Polk County Board of Review meets annually in May to hear property tax appeals. If you requested an oral hearing on your protest form, you'll present your case in person, including evidence such as comparable sales, photographs, appraisals, and documentation of errors. Board members will review your evidence, ask questions, and may consult with assessor staff for additional details. The Board has full authority to confirm your current assessment, decrease it based on your evidence, or even increase it if they find the original assessment was too low. After all hearings conclude, the Board issues written decisions to each appellant.
How much can I save by appealing my property taxes in Polk County?
According to property tax appeal data, successful appeals in Polk County save homeowners an average of $1,515 per year. The actual savings depends on how much your assessment is reduced and your property's tax rate. For example, if you successfully reduce your assessed value by $50,000 and your effective tax rate is 1.69%, you would save approximately $845 annually. With the median home value at $258,000 and median tax bill of $3,904, even a 10-15% assessment reduction can result in significant annual savings that compound over the years you own your home.
What evidence do I need for a successful Polk County property tax appeal?
The most compelling evidence for a Polk County property tax appeal includes comparable sales data from similar properties that sold for less than your assessed value within the past 12 months, ideally in your neighborhood. You should also provide photographs documenting any property defects, damage, or deferred maintenance that reduces value. Professional appraisals, contractor repair estimates, and documentation of incorrect property characteristics in the assessor's records (such as wrong square footage, incorrect number of bedrooms, or listing finished space that doesn't exist) are also highly persuasive. The key is demonstrating that your property's actual market value as of January 1 is lower than the assessor's valuation.
Can I appeal to a higher level if I lose my Board of Review appeal in Polk County?
Yes, if you disagree with the Polk County Board of Review's decision, you have two appeal options. You can appeal to the Iowa Property Assessment Appeal Board (PAAB) within 20 days of when the Board of Review adjourns, or by June 20 if they adjourn before May 31. PAAB appeals can be filed electronically at paab.iowa.gov or by mail. Alternatively, you can appeal directly to Iowa District Court within 20 days of the Board's adjournment. Both PAAB and District Court conduct de novo review, meaning they consider all evidence fresh without presuming the original assessment was correct.
When does Polk County mail property assessment notices and what do they include?
Polk County mails assessment notices in March and April each year, typically reaching homeowners' mailboxes by mid-April. Iowa uses a biennial assessment system, with countywide revaluations occurring in odd-numbered years (2023, 2025, 2027, etc.). Your assessment notice includes your property's market value as of January 1, the assessed value at 100% of market value, any applicable exemptions such as homestead credits, an estimate of your property tax bill, and important deadlines for requesting an informal review (April 2-25) or filing a formal protest (April 2-30). Review your notice carefully as soon as you receive it.

Official Resources

Polk County Assessor Official Website →

Access property search tools, assessment information, appeal forms, exemption applications, and contact information for the Polk County Assessor's Office.

Iowa Property Assessment Appeal Board (PAAB) →

File state-level appeals after Board of Review decisions, access eFile system, view hearing calendars, and find forms and instructions for PAAB appeals.

Iowa Department of Revenue - Property Tax Division →

Find information about Iowa property tax exemptions, credits, rollback percentages, and state-level property tax policies and regulations.

Polk County Property Search Tool →

Look up your property's assessed value, view property characteristics, check exemptions, review assessment history, and access comparable sales data.

For state-wide appeal information including Iowa's assessment ratio and deadlines, see our Iowa Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

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Sources: https://www.polkcountyiowa.gov/county-assessor/ | https://www.assess.co.polk.ia.us/ | https://www.ownwell.com/trends/iowa/polk-county | https://paab.iowa.gov/ | https://revenue.iowa.gov/ | https://www.polkcountyiowa.gov/county-assessor/appealing-your-assessment/

Last verified: 2026-07-24