Property Tax

Polk County property owners can use county and state-operated services to review tax information, verify parcel records, make payments, understand installment deadlines, apply for qualifying tax relief, and address delinquent taxes or tax-sale issues. This article explains which Polk County office handles each part of the property tax process, how to search the official property tax database, how payment deadlines and late interest work, what to review on a tax statement, and what procedures apply to partial payments, mobile homes, property transfers, tax relief, and tax-sale redemption.

Who Handles Property Taxes

The Polk County property tax process involves several county offices, and knowing which office performs each function can prevent unnecessary calls or visits. The Polk County Treasurer property tax service is responsible for collecting taxes on real estate, mobile homes, utilities, bushels of grain, buildings on leased land, and city and county special assessments. The Treasurer also conducts the annual tax sale for delinquent taxes and administers the Iowa Property Tax Credit Program.

The County Treasurer does not determine the assessed value of real estate. Property values are determined by the Polk County Assessor. After values are established, the County Auditor receives those values, applies state rollbacks and local taxing entity rates, and transmits the levied property taxes to the County Treasurer for collection. This division of responsibilities matters when deciding where to direct a question.

Questions about a payment, tax statement, delinquent balance, tax-sale redemption, or property tax credit generally belong with the Treasurer. Questions about the assessed value of property belong with the Assessor. Questions involving tax rates, levy calculations, ownership transfers that affect taxation, or other tax-related real estate records may involve the County Auditor.

Property Tax Search

The Treasurer provides an official property tax parcel and payment search for reviewing real estate tax information. The database allows searches by parcel or geoparcel number and displays information that may include the primary owner, secondary owner, property address, parcel or geoparcel number, and alternate parcel number.

The parcel search is especially useful for checking current account status and payment history. It can also help confirm that you are viewing the correct property before making a payment. When several properties have similar addresses or an owner has multiple parcels, the parcel or geoparcel number provides a more precise way to identify the correct tax account.

Information to Verify

Before relying on a search result or using it to begin a payment, compare the information displayed with the records you already have. Useful details to confirm include:

The property address.
The primary and secondary owner names.
The parcel or geoparcel number.
The alternate parcel number, when displayed.
The current account status.
The payment history associated with the parcel.

The Treasurer provides real estate information in the database as a public service and presents it “as is.” Polk County and the Treasurer do not guarantee the accuracy, completeness, reliability, or suitability of the information for a particular use. The county also warns users not to rely solely on website information when a matter may affect legal rights. Information and programs may change as the Treasurer updates the system.

For ordinary tax-account questions, the database is a convenient starting point. For a tax-sale redemption or another matter where the exact amount due can change, contact the Treasurer rather than assuming an online amount is final.

Tax Payment Schedule

Polk County property taxes are collected on a fiscal-year basis beginning July 1. Taxes may be paid in one full payment or in two installments. The first installment becomes due in September, and the second becomes due the following March.

The county's tax materials describe the first installment as due September 1 and delinquent beginning October 1. The second installment is due March 1 and delinquent beginning April 1. In practical terms, taxpayers have through September 30 for the first installment and through March 31 for the second installment before late interest begins.

First installment: due September 1 and payable without late interest through September 30.
Late interest on the first installment begins October 1.
Second installment: due March 1 and payable without late interest through March 31.
Late interest on the second installment begins April 1.

If the last day of the month falls on a Saturday, Sunday, or holiday, the deadline for making a payment without late interest or having the installment become delinquent is extended to the first business day of the following month.

Payments Sent by Mail

For ordinary property tax payments sent through the mail, the payment must be postmarked by the applicable deadline to be treated as timely. The county uses the official U.S. Postal Service postmark as proof of the mailing date.

Tax-sale redemption payments follow a different rule. A redemption payment sent by mail must actually be received by the Treasurer's Office on or before the required date. The postmark does not determine whether a tax-sale redemption payment arrived on time.

Late Interest and Delinquency

Property owners remain responsible for paying taxes on time even if a tax statement is not received. Polk County mails property tax statements once each year in August, but failure to receive a statement does not eliminate the tax obligation or late charges.

Late interest accrues when an installment remains unpaid after the payment period. The rate is 1.5% per month, rounded to the nearest dollar, with a minimum charge of one dollar. The interest is added to the unpaid property tax balance.

Delinquent property taxes may eventually become subject to the county's annual tax sale. If delinquent taxes are sold to a tax-sale buyer, a tax-sale lien is placed on the property. If the owner does not redeem the tax sale within the period allowed by Iowa law and the required procedures are completed, the tax-sale certificate holder may begin proceedings to obtain a tax deed.

The county's property tax questions and procedures provide additional details on due dates, penalties, mobile homes, property transactions, tax sales, and property tax suspension.

Paying Property Taxes Online

Property taxes can be paid through Iowa Tax and Tags, a state and county-operated payment service. The system supports both one-time payments and accounts for users who manage multiple properties or payment methods.

Express Payments

An account is not required for a simple one-time payment. The Express Payment option is intended for taxpayers paying taxes on only a few properties or vehicles. This can be useful for an individual homeowner who wants to make a regular property tax payment without maintaining an online account.

Account Holder Payments

Account holders can save properties, vehicles, and payment methods and can schedule payments. The account option is designed for people or organizations managing a larger number of tax and registration obligations.

Before submitting an online payment, verify the parcel information and amount associated with the property. For tax-sale redemptions, do not substitute a normal online property tax payment for the specific redemption procedure required by the Treasurer.

Partial Property Tax Payments

Polk County accepts partial payments for current or delinquent real estate property taxes and manufactured home property taxes. A partial payment must be greater than the late interest and costs already due.

Partial payments are not accepted for special assessments or tax-sale redemption payments. This distinction is particularly important for taxpayers dealing with delinquent property: making a partial payment toward ordinary delinquent taxes is different from redeeming taxes that have already been sold at tax sale.

Partial payments may be made online, by U.S. mail, or through the county drop box. When sending a partial payment by mail or using the drop box, the county instructs taxpayers to indicate that the payment is a partial payment.

Reading the Tax Statement

A Polk County property tax statement contains information from several stages of the tax process. Understanding the major fields can help property owners distinguish an assessed value from a taxable value and understand how the amount due was calculated.

Assessment and Taxable Value

The assessment shown on the statement represents the value of the parcel, including applicable land, dwellings, and buildings, as valued by the assessor after equalization orders are applied. The taxable value is different. It reflects the assessment after application of the statewide rollback rate established annually for the relevant property class by the Iowa Department of Revenue.

Levy Rate and Credits

The levy rate is expressed in dollars and cents per $1,000 of assessed valuation. The applicable rate is used with the taxable value to determine gross taxes. Tax credits are then deducted from the gross amount when applicable.

The County Auditor's tax rate and valuation information explains the county's role in receiving property values from the Assessor, applying state rollbacks and local taxing entity tax rates, and transmitting the levied taxes to the Treasurer for collection.

Distribution of Taxes

The statement also identifies applicable taxing authorities within the property's district. It shows the tax dollars allocated to each authority and the percentage of the property's taxes distributed to that authority. The statement includes total property taxes levied for the taxing authorities and compares current and prior-year amounts.

Missing or Incorrect Statements

Property tax statements are issued once a year in August. If a statement does not arrive, taxpayers should verify that the Treasurer has the correct mailing address rather than waiting until the payment deadline has passed.

The titleholder may submit a Change of Mailing Address form to correct the address associated with an owned parcel. The form is available with other official property tax forms.

A homeowner whose mortgage company normally pays property taxes may still receive a statement. The Treasurer is required to send a statement to the titleholder of record for parcels in the county. If a lender pays the taxes from escrow, the owner should retain the mailed statement for income tax purposes and confirm with the lender when there is uncertainty about who is responsible for the payment.

The taxpayer remains responsible for making sure the taxes are paid on time. Receiving a statement does not necessarily mean the mortgage company has failed to pay, and assuming a lender will pay without verifying the arrangement can lead to missed deadlines.

Property Purchases and Sales

When property changes ownership, the amount a buyer ultimately bears depends on how property taxes were handled during the transaction. Taxes are commonly prorated, with the buyer receiving a credit for the seller's portion or taxes being paid to the Treasurer as part of the sale. The settlement statement should show how property taxes were treated in the transaction.

If a former owner receives a tax statement after selling a property, the county provides several options. The statement may be forwarded to the new owner, returned to the Treasurer with a note explaining that ownership changed, or the former owner may contact the Treasurer to update the ownership status.

The County Auditor maintains real estate records for tax purposes by tracking ownership transfers affecting taxation, including deeds, contracts, and right-of-way easements. The Auditor's real estate records information also describes the Real Estate Atlas, which organizes tax-related property information into owners and addresses, land records, and valuation and taxation categories.

Property Tax Relief Programs

Property owners who may qualify for assistance should review the county's property tax relief programs. The state and Polk County offer several programs, but the eligibility requirements and administering office vary.

Senior and Disabled Credit

The Senior and Disabled Property Tax Credit provides relief to qualifying homeowners who meet age or disability, ownership, residency, and household income requirements. For the 2026 claim, applications submitted after June 1, 2025 are treated as late filings, and the Treasurer must receive qualifying Senior and Disabled Tax Credit forms no later than December 31, 2026.

Ages 65 Through 69

For the 2026 claim described by the county, an applicant in this category must be an Iowa resident, have total household income below $26,895, be age 65 through 69 by December 31, 2025, and be a recorded property owner or contract buyer by June 30, 2025. A person who is totally disabled and at least age 18 by December 31, 2025 may also qualify under the stated requirements.

The applicant completes Iowa Property Tax Credit Claim 54-001 and files it with the Polk County Treasurer. The normal filing period is January 1 through June 1. Filing by the due date each year is required to receive the maximum benefit. The maximum credit or reimbursement stated by the county is $1,000.

Age 70 and Older

For claimants age 70 or older by December 31, 2025, the county lists separate household income guidelines. Applicants must be Iowa residents, must have been recorded owners or contract buyers by June 30, 2025, and must satisfy the applicable household income limit.

The 2026 limits range from $39,125 for a one-person household to $135,375 for an eight-person household. For households with more than eight people, $13,750 is added for each additional person. These income requirements change annually, so applicants should rely on the requirements for the specific claim year rather than an older threshold.

Homestead and Military Programs

Military exemptions, homestead credits, and tax abatements are administered by the Polk County Assessor rather than the Treasurer. This is an example of why the office responsible for collecting taxes is not always the office responsible for a particular exemption or credit.

Mobile and Manufactured Homes

Mobile and manufactured home taxation has some procedures that differ from ordinary real estate. Annual taxes are due on or after July 1 in each fiscal year and are payable in two installments. The first installment must be paid by September 30, and the second must be paid by March 31. Delinquent payments are subject to interest at 1.5% per month.

Reduced Tax Rate Claims

A qualifying owner of a mobile, manufactured, or modular home may apply for a reduced tax rate. For the 2026 application described by the county, the applicant must be an Iowa resident, have 2024 household income below $26,895, be age 23 or older by December 31, 2025, and be the titled owner of the home.

The applicable form is the Iowa Mobile/Manufactured/Modular Home Owner Application for Reduced Tax Rate 54-014. The completed form is filed with the Treasurer between January 1 and June 1. The form must be submitted each year by the applicable deadline to receive the maximum benefit.

Moving a Mobile Home

An owner planning to move a mobile home must obtain a tax clearance, also called a move permit, from the county treasurer where the home is located. Moving a mobile home without a current tax clearance violates state law.

For a home sold between July 1 and December 31, the owner must pay the September installment but is not required to pay the March installment. For a home sold between January 1 and June 30, the owner must pay the March installment. Any delinquent taxes and tax sales must be paid in full before a tax clearance can be issued.

Tax Sale Redemption

Ordinary delinquent taxes and a tax-sale redemption should not be treated as the same transaction. Once delinquent taxes have been purchased by a tax-sale buyer, a tax-sale lien is placed against the property. The owner must satisfy the redemption requirements to retain ownership.

To redeem a tax sale, the Application and Affidavit for Redemption of Parcel Sold for Taxes must be completed, notarized, and submitted with payment. If the payment is made at the Treasurer's Office, staff can notarize the signature. Iowa law does not allow partial payments toward a tax-sale redemption.

The redemption amount includes the delinquent taxes sold at tax sale plus 2% per month, and additional amounts may accrue. Current installments remaining unpaid after 45 days may also be paid by the tax-sale certificate holder and added to the tax-sale lien, increasing the amount required for redemption.

Who May Redeem

A properly completed Affidavit of Redemption establishes that the person seeking redemption has sufficient interest in the parcel. The county identifies several categories that may qualify, including:

The titleholder of record.
The person in whose name the parcel was or is taxed.
A person in possession of the parcel.
A mortgagee with a lien on the parcel.
A vendor under a recorded contract of sale.
A lessor with a recorded lease or memorandum of lease.
Another person with an interest of record.

Amounts displayed online for tax-sale property are not guaranteed and may change. A person dealing with a tax-sale lien or a Notice to Redeem should contact the Treasurer for the current redemption amount and the procedure applicable to the parcel.

Common Property Tax Mistakes

Several avoidable problems occur when taxpayers confuse offices, payment types, or deadlines. Keeping the following distinctions in mind can reduce the chance of a delayed or misapplied transaction:

Do not contact the Treasurer to dispute the assessed property value; the Assessor determines property values.

Do not assume that failure to receive a tax statement postpones the payment deadline.

Do not assume a mortgage lender has paid the tax without verifying the arrangement when there is uncertainty.

Verify the parcel or geoparcel number before making an online payment, especially when an owner has multiple properties.

Remember that ordinary property tax installments and tax-sale redemptions have different payment procedures.

Do not send a partial payment for a special assessment or tax-sale redemption because those partial payments are not accepted.

For regular mailed tax payments, pay attention to the USPS postmark rule; for mailed tax-sale redemption payments, make sure the payment is actually received by the required date.

Use the current year's property tax relief form and eligibility requirements because income limits and forms may change annually.

In-Person Property Tax Service

Taxpayers who need to pay taxes in person or redeem a tax sale can visit the Treasurer's Office. The Property Tax Division normally operates from 7:30 a.m. to 4:30 p.m. Monday through Friday and opens at 9 a.m. on the third Thursday of each month. The office is closed on major holidays. The county also states that the Treasurer's Office will be closed Thursday, September 17, 2026.

The Treasurer's property tax page advises taxpayers who need to visit in person to pay taxes or redeem a tax sale to schedule an appointment. Because tax-sale redemption amounts can change and require specific documentation, confirming the amount and paperwork before visiting can help avoid an incomplete transaction.

Relevant Department

Polk County Treasurer's Office – Property Tax Division

Polk County Administration Building
111 Court Avenue, Room 154
Des Moines, IA 50309
515-286-3060

Property Tax FAQs

Can I sign up for property tax payment reminders?

Yes. The Polk County Treasurer offers a property tax payment reminder subscription for taxpayers who want an extra prompt before the regular payment periods. After subscribing, reminders are sent twice each year, during September and March. The service can be useful for property owners who manage their own payments and want a recurring reminder without relying solely on a mailed tax statement.

Is there a better payment option for businesses with many properties?

Businesses, property management companies, banks, and credit unions that handle taxes for multiple properties can use Polk County's Portfolio Tax Service. Users can create a portfolio of properties and make an electronic ACH payment covering taxes due for the portfolio. Properties can be added or removed as needed, and tax information can be downloaded for recordkeeping. Payments may also be organized county by county when a portfolio contains properties in participating Iowa counties. A service fee is added when tax items are paid through the system.

Do suspended property taxes eventually have to be repaid?

Yes. Enrollment in Polk County's property tax suspension program does not erase the taxes. The taxes continue to accumulate while the owner remains enrolled. They may be repaid voluntarily at any time, but the suspended amount becomes due when the property is sold or when the property owner dies. Homeowners considering this option should review the repayment obligation before applying rather than treating the program as a permanent tax exemption. The county's property tax FAQs explain these suspension rules.

Can a mobile home qualify for property tax suspension?

No. Polk County states that mobile and manufactured homes are not eligible for the property tax suspension program. Owners of qualifying mobile, manufactured, or modular homes may instead be eligible for a reduced tax rate based on requirements such as age, household income, ownership, and residency. Because eligibility standards and forms are updated, applicants should review the current property tax relief requirements for the applicable claim year.