Linn County Property Taxes: Pay the Right Bill, Search Your Parcel & Avoid Late Fees
Use this guide when you need to pay Linn County property taxes, search a parcel, confirm due dates, understand service fees, handle a missing tax statement, appeal an assessment, or know whether your property belongs to the Linn County Assessor or the Cedar Rapids City Assessor. The Treasurer handles payment and tax sale; the Assessor handles value, exemptions and appeals.
What Linn County property owners should do first
Pick the action that matches your situation. This keeps you from calling the Treasurer for an assessment problem or missing the mail/postmark rule when a deadline is close.
Fast action board
- 1Need to pay? Use Iowa Tax and Tags, mail payment, call 319-892-5500, use the drop box, or pay in person at the Public Service Center.
- 2Paying by mail? Mail to Linn County Treasurer, 935 2nd Street SW, Cedar Rapids, IA 52404. Include the statement stub and make check or money order payable to Linn County Treasurer.
- 3Close to deadline? The county warns USPS postmarks may reflect processing date, not mailbox drop date. Use a staffed USPS counter and request a manual postmark.
- 4Value looks wrong? If outside Cedar Rapids, contact the Linn County Assessor. If inside Cedar Rapids city limits, contact the Cedar Rapids City Assessor.
- 5Appealing value? Informal review runs April 2-25; formal Board of Review protest runs April 2-30 for Linn County properties outside Cedar Rapids.
Official pages to keep open
Assessor values property
Linn County Assessor outside Cedar Rapids; City Assessor inside Cedar Rapids.
Auditor applies rollbacks
Taxable value uses rollback, exemptions, credits and levy rates.
Treasurer bills & collects
Payments, receipts, tax sale, redemptions and credit claims.
You verify & pay
Confirm statement, parcel, installment, fee, receipt and deadline.
How to pay Linn County Iowa property taxes without a posting mistake
Linn County allows online, mail, drop box, phone and in-person payments. The safest path is to verify the statement first, then choose the payment method that fits your deadline and fee tolerance.
Online
Use Iowa Tax and Tags. Verify property, tax year, installment, owner and fees before paying.
Mail to Linn County Treasurer, 935 2nd Street SW, Cedar Rapids, IA 52404. Include the tax-statement stub for proper credit.
Phone / office / drop box
Call 319-892-5500, pay in person, or use the Public Service Center drop box. Include contact information with drop-box paperwork.
1
Open the official payment route
Do not start from a random payment ad.
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Start from the Linn County Treasurer property tax page or Iowa Tax and Tags. Look for the current property-tax payment option, then search your property record or bill.
2
Match the statement before paying
Owner name alone can lead to mistakes.
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Confirm parcel, property address, owner, tax year, fall or spring installment, current amount due, penalty, fee and any prior balance. If you have a mortgage escrow, confirm whether your lender is scheduled to pay before you pay personally.
3
Handle mail deadlines carefully
The postmark rule can hurt last-minute payments.
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Linn County warns that USPS postmarks may reflect the date an item is processed, not the date it was placed in a mailbox. For time-sensitive payments, use a staffed USPS retail counter and ask for a manual postmark.
4
Save proof immediately
Useful for escrow, sale, refinance and penalty disputes.
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Save the receipt, confirmation number, payment date, amount, parcel/account, tax year and installment. If paying by mail and you want a receipt, include a self-addressed stamped envelope.
Linn County property tax due dates, payment fees and receipt rules
Use this table before paying. A low-fee option can be better if you are not near a deadline; online card payment may be faster but costs more.
| Item | Official Detail | What To Do |
|---|---|---|
| Fall installment | Due September 1; delinquent after September 30 | Pay or mail early enough for accepted postmark. |
| Spring installment | Due March 1; delinquent after March 31 | Do not wait until the final mailbox pickup. |
| Online check | $0.30 per transaction shown by county | Often cheaper than card if available. |
| Debit card | $3.25 plus $0.30 per transaction shown by county | Compare with online check and credit-card fee. |
| Credit card | 2.20% plus $0.30 per transaction shown by county | Check fee before submitting a large bill. |
| Mail receipt | Self-addressed stamped envelope needed if you want a receipt | Include it with the payment and statement stub. |
How to search Linn County property tax and assessment records
There are two different lookups: one for paying tax and one for understanding value. Use the right one.
| Need | Use This | Why It Matters |
|---|---|---|
| Tax bill / payment | Linn County Treasurer property tax page | Current payment options, fees, mail instructions, tax sale and Treasurer contact. |
| Online payment | Iowa Tax and Tags | Official statewide payment route used by participating county Treasurers. |
| Outside Cedar Rapids value | Linn County Assessor | Assessment, market value, credits, exemptions, informal review and Board of Review. |
| Cedar Rapids value | Cedar Rapids City Assessor | Properties inside Cedar Rapids use the City Assessor for assessment questions. |
| GIS / land records | Linn County GIS | Useful for property location, mapping and land-record research; not a substitute for the tax bill. |
1
Decide whether your problem is payment or value
Treasurer and Assessor are not interchangeable.
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Payment, receipt, tax sale, delinquent balance and tax-credit payment questions go to the Treasurer. Assessed value, property record, exemption, homestead, military credit and appeal questions go to the Assessor.
2
Check the Cedar Rapids exception
A large part of Linn County has a different assessor.
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If the property is inside Cedar Rapids city limits, use the Cedar Rapids City Assessor for value and comparable-sale questions. The Cedar Rapids office lists 500 15th Ave SW and phone 319-286-5888.
3
Search with more than owner name
Similar names can cause wrong-property mistakes.
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Match parcel/account, property address, owner, tax year and installment. If you are using assessment data for an appeal, compare the assessment record with comparable sales and property characteristics.
How Linn County property taxes are calculated in plain English
The tax bill is not simply market value multiplied by one county rate. Iowa uses assessed value, rollback, exemptions or credits, and a levy rate.
Simple Iowa property tax framework
Then the local levy rate is applied to taxable value. Schools, county, city or township, community college, assessor and other taxing entities can affect the final levy rate.
Assessed value
The Assessor estimates market value as of January 1. Linn County says odd-numbered years are reassessment years in Iowa.
Taxable value
Taxable value is not the same as assessed value. Iowa rollback and exemptions or credits can change the value used for taxes.
Levy rate
The levy rate combines tax askings from local entities such as school, county, city or township, community college, assessor and others.
Why taxes rise
A bill can rise because assessed value, rollback, exemptions, credits or levy rates changed—even if one of those parts stayed the same.
How to appeal a Linn County property assessment
Appeal value, not the tax bill itself. If you disagree with the final tax amount because of budgets or levies, the assessment appeal may not solve that problem.
| Step | Official Window / Rule | What To Prepare |
|---|---|---|
| Informal review | April 2 through April 25 | Call or contact the Assessor with value concerns early. |
| Formal protest | April 2 through April 30 | Written petition, signed by owner or authorized agent. |
| Mail filing | Postmarked no later than April 30 | Mail to Linn County Assessor, 935 Second St. SW, Cedar Rapids, IA 52404. |
| Electronic filing | Fax or email by April 30 | Use official Assessor fax/email route; keep proof of submission. |
| Board authority | Board can confirm, increase or decrease assessment | Comparable sales, photos, errors, appraisals, condition evidence. |
1
Confirm the correct assessor first
Cedar Rapids has a separate City Assessor.
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Use Linn County Assessor for properties outside Cedar Rapids city limits. Use Cedar Rapids City Assessor for properties inside Cedar Rapids.
2
Focus on market value evidence
Not just “my taxes are too high.”
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Ask: What is the actual market value? How does it compare with similar properties nearby? Gather comparable sales, condition photos, incorrect property characteristics, appraisals and purchase documents.
3
File before April 30
Late evidence can cost appeal rights.
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If the informal review is not resolved by April 25, file the formal Board of Review petition by April 30. Keep a copy of the petition and proof of delivery, fax or email.
Linn County property tax credits, exemptions and relief forms
Credits and exemptions can reduce tax, but they are not automatic for every property. Check eligibility and filing deadlines with the correct office.
Homestead Credit
Iowa law provides Homestead Credit, and Linn County links the official application through Assessor resources. New Homestead and Military applications have a July 1 deadline in the assessment calendar.
Military Exemption
Linn County Assessor resources include a Military Service Property Tax Exemption application. Verify owner, occupancy and service requirements before filing.
65+ / property tax credit
Linn County property tax forms list 2026 Iowa Property Tax Credit claim forms and a new 65 and older homestead/tax credit exemption form.
Rent reimbursement
The county forms page links Iowa rent reimbursement through state benefit resources. This is separate from paying a property tax bill.
Family Farm Credit
The assessment calendar lists Family Farm Credit applications from July 1 through November 1. Confirm details with the Assessor.
Tax sale redemption
If taxes were sold at tax sale, contact the Treasurer for required fee and documentation before attempting redemption.
Linn County Treasurer and Assessor office map
The Treasurer and Linn County Assessor list the Public Service Center at 935 2nd Street SW, Cedar Rapids. Call first if you are unsure whether your issue belongs to payments, assessment, credits, exemptions or Cedar Rapids assessment.
Public Service Center — Cedar Rapids, Iowa
Use this map for trip planning. Confirm holiday closures, second-Wednesday hours and whether phone, mail, email or drop box service is enough before visiting.
| Office | Contact / Location | Use For |
|---|---|---|
| Linn County Treasurer | 935 2nd St. SW, Cedar Rapids, IA 52404 Phone: 319-892-5500 Fax: 319-892-5549 Lobby: Mon-Fri 7:30 AM-4 PM; 2nd Wednesday 10 AM-4 PM | Property tax bills, payments, receipts, tax sale, redemptions, tax-credit payment questions and mail/drop-box guidance. |
| Linn County Assessor | Public Service Center, 935 2nd St. SW, Cedar Rapids, IA 52404 Phone: 319-892-5220 Hours: Mon-Fri 8 AM-4 PM | Assessment value, property records, Homestead, Military Exemption, informal review and Board of Review outside Cedar Rapids. |
| Cedar Rapids City Assessor | 500 15th Ave SW, Cedar Rapids, IA 52404 Phone: 319-286-5888 Email: crassessor@cedar-rapids.org | Assessment and comparable-sales questions for property inside Cedar Rapids city limits. |
Official Linn County property tax resources
Use these links for final live actions. This page explains the process; official portals are where you search, pay, print, file or verify current records.
Linn County property tax FAQs
Short answers for the questions property owners usually ask before paying, appealing, checking credits or looking up a parcel.
QHow do I pay Linn County property taxes online?▾
Use Iowa Tax and Tags or start from the Linn County Treasurer property tax page. Verify property, tax year, installment, amount due and payment fee before submitting.
QWhen are Linn County property taxes due?▾
The first half is due September 1 and becomes delinquent after September 30. The second half is due March 1 and becomes delinquent after March 31.
QWhere do I mail Linn County property tax payment?▾
Mail to Linn County Treasurer, 935 2nd Street SW, Cedar Rapids, IA 52404. Include the tax-statement stub and make checks payable to Linn County Treasurer.
QWhat if I drop my payment in a mailbox on the deadline?▾
Linn County warns that USPS postmarks may reflect processing date, not mailbox drop date. For deadline mail, go to a staffed USPS counter and request a manual postmark.
QWhat fees apply to online payments?▾
The county lists online check fee at $0.30, debit card at $3.25 plus $0.30, and credit card at 2.20% plus $0.30. Verify current fees before payment.
QWho handles value questions?▾
Use the Linn County Assessor for properties outside Cedar Rapids. Use the Cedar Rapids City Assessor for properties inside Cedar Rapids city limits.
QHow do I appeal my assessment?▾
For Linn County properties outside Cedar Rapids, request informal review April 2-25 or file a formal Board of Review protest April 2-30. Cedar Rapids properties use the Cedar Rapids City Assessor process.
QWhy did my taxes increase if my assessment did not?▾
Your tax bill depends on assessed value, rollback, exemptions or credits and levy rates. A change in rollback or levy rate can increase tax even when assessment does not change.
QWhere do I get property tax credit forms?▾
Use the Linn County Property Tax Forms page for Iowa property tax credit, mobile home credit, special assessment credit, 65+ homestead/tax credit and rent reimbursement links.
QIs this an official Linn County website?▾
No. PropertyTaxUSA.org is an independent guide. Verify amounts, dates, fees, assessment values, credits and appeals with Linn County, Cedar Rapids City Assessor or Iowa Tax and Tags.
Bottom line
For Linn County property taxes, think: Treasurer for payment, Assessor for value. Pay through the official Treasurer/Iowa Tax and Tags route, mail early enough for a proper postmark, use the correct assessor for Cedar Rapids vs non-Cedar Rapids properties, and file assessment protests during the April window if value is wrong.
Independent guide notice: This page is informational only and is not the Linn County Treasurer, Linn County Assessor, Cedar Rapids City Assessor, Iowa Tax and Tags or a payment processor.