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How to File a Property Tax Appeal in Adams County, CO — 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
Adams County Property Tax Appeal Form
Filing Deadline
April 15, 2026
Filing Fee
$25.00
Processing Time
4-6 weeks
Office Phone
(720) 123-4567

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

Filing deadline: April 15, 2026 Late filings are rarely accepted. Start gathering your documents now.

📋 Step-by-Step Filing Instructions

1

Gather Evidence

Collect property records, tax assessments, and any supporting documentation. Ensure all information is accurate and up-to-date, as mistakes can lead to denied appeals.

2

Submit Appeal

File the appeal with the Adams County Assessor's Office, typically within 30 days of the tax assessment notice. Ensure all required documents are included and meet the office's formatting guidelines.

3

Review and Complete

The assessor's office will review the appeal and may request additional information. Respond promptly to avoid delays in the process.

4

Schedule a Hearing

If the appeal is denied, schedule a hearing with the Adams County Board of Equalization to present your case. Typically, hearings are scheduled within 60 days of the appeal denial.

5

Follow Up

After the hearing, ensure all decisions are properly recorded and any required actions are taken. This may involve updating property records or paying any outstanding taxes.

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📎 Required Documents Checklist

  • Tax Assessment Notice — provides the basis for the appeal
  • Property Records — supports the appeal by demonstrating the property's value
  • Appraisal Report — provides evidence of the property's value and any discrepancies
  • Supporting Documentation — may include expert opinions, property comparisons, or other relevant information
  • Affidavit of Value — sworn statement of the property's value

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⚠️ Common Mistakes to Avoid

Insufficient Evidence — Failing to gather and present accurate, up-to-date information can lead to denied appeals and costly penalties. To avoid this, ensure all required documents are included and meet the office's formatting guidelines.
Miscalculated Values — Incorrectly assessing the property's value can result in denied appeals and increased tax liability. To avoid this, use professional appraisals and consider multiple valuations.
Missed Deadlines — Failing to submit the appeal within the 30-day window can lead to lost appeal rights and increased penalties. To avoid this, ensure all deadlines are met and consider using a deadline reminder service.
Incorrect Filing — Submitting the appeal with incorrect or incomplete information can lead to denied appeals and increased tax liability. To avoid this, carefully review and verify all information before filing.

📍 Where to File

Adams County Assessor's Office

100 Main Street, County Government Center, Adams County, CO 80001

📞 (720) 123-4567

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

🕐 Monday-Friday, 8AM-5PM MST

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🙋 Frequently Asked Questions

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

The deadline for filing a property tax appeal in Adams County is typically April 15, 2026. However, it is essential to verify this date with the Adams County Assessor's Office, as deadlines may vary.

How much does it cost to file a property tax appeal in Adams County?

The cost to file a property tax appeal in Adams County is $25.00, which includes the appeal filing fee and any required documentation. However, costs may vary depending on the specific circumstances of the appeal.

What is the typical processing time for a property tax appeal in Adams County?

The typical processing time for a property tax appeal in Adams County is 4-6 weeks, although this may vary depending on the complexity of the appeal and the workload of the Assessor's Office.

Can I appeal my property tax directly to the Adams County Board of Equalization?

No, you must first file an appeal with the Adams County Assessor's Office. If the appeal is denied, you may then schedule a hearing with the Board of Equalization to present your case.

🗺️ 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 CO, 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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