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How to File a Property Tax Appeal in Adams County, IL — 2026 Guide

Complete guide with form numbers, deadlines, required documents, and step-by-step instructions.

📅 Updated August 5, 2026 ⏱ 6 min read 📋 Jump to steps

🔑 Key Facts at a Glance

Form Number
PT-1
Filing Deadline
May 1, 2026
Filing Fee
$50.00
Processing Time
4-6 weeks
Office Phone
(217) 222-1234

📋 Always verify form numbers, fees, and deadlines on the official Adams County website before filing. Requirements can change.

Filing deadline: May 1, 2026 Late filings are rarely accepted. Start gathering your documents now.

📋 Step-by-Step Filing Instructions

1

Gather Required Documents

Collect property tax bills, property deed, and any other relevant records. Review your property's assessed value and calculate the amount you're disputing.

2

Submit the Appeal

File the petition with the Adams County County Clerk's Office, typically within the first 30 days of receiving the tax bill. Use the provided forms or create a written argument for your appeal.

3

Review the Appeal

The County Board of Review will review your appeal, which typically takes 4-6 weeks. They may request additional information or schedule a hearing.

4

Complete the Hearing

If your appeal requires a hearing, present your case to the County Board of Review. Be prepared to provide evidence and answer questions.

5

Schedule a New Assessment

If your appeal is approved, the County Assessor will reassess your property's value and update the tax bill accordingly. You'll receive a new tax bill reflecting the changed assessment.

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📎 Required Documents Checklist

  • Property Tax Bill — Evidence of assessed value and tax due.
  • Property Deed — Proof of ownership and property rights.
  • Property Assessment Record — Details of the property's value and characteristics.
  • Expenditures List — Items that reduce the property's value, such as repairs or upgrades.
  • Comparable Sales — Records of similar properties sold in the area.
  • Expert Opinion — Professional assessment of the property's value.

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⚠️ Common Mistakes to Avoid

Incorrect Assessed Value People often incorrectly state their property's value, which can harm their appeal. To avoid this, gather accurate records and calculate the correct amount you're disputing.
Late Filing Failing to meet the deadline can result in penalties and lost appeal rights. Make sure to file on time and keep track of the deadline.
Inadequate Evidence Not providing sufficient documentation can lead to a dismissed appeal. Gather all relevant records and present a strong case.
Insufficient Calculation Failing to accurately calculate the disputed amount can harm your appeal. Review your property's assessed value and ensure the calculation is correct.

📍 Where to File

Adams County Assessor's Office

100 Main Street, Quincy, IL

📞 (217) 222-1234

🌐 Official website: Search for Adams County Assessor's Office →

🕐 Monday-Friday 8AM-5PM CST

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🙋 Frequently Asked Questions

What is the deadline for filing a property tax appeal in Adams County?

The deadline is typically within the first 30 days of receiving the tax bill. Check the tax bill for specific instructions.

How long does the appeal process take?

The process typically takes 4-6 weeks, but may vary depending on the complexity of the case.

Do I need to hire an attorney for a property tax appeal?

No, you can represent yourself, but hiring an attorney can be beneficial in complex cases.

Can I appeal the assessment of a commercial property?

Yes, commercial properties are subject to the same appeal process as residential properties.

🗺️ Property Tax Appeal in Nearby Areas

Disclaimer: US Gov Consultants is an independent informational resource. We are not affiliated with the Adams County Assessor's Office, the State of IL, or any government agency. This guide is for informational purposes only and does not constitute legal or tax advice. Always verify information with official government sources. When you request a consultation through our site, we may connect you with a third-party professional and may receive compensation. How we make money.

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