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Property Tax Appeal in Denver, CO

Effective rate ~0.5% · Updated November 2026

Estimated annual tax:$2,815on a $563,000 home
Tax Rate
0.5%

Effective rate in Denver

Potential Savings
$338

Estimated annual savings if appeal succeeds

Success Rate
30-40%

Of appeals result in a reduction

Appeal Deadline in Colorado

June 1 (odd-numbered reassessment years)

Missing the deadline means waiting until the next assessment cycle. Mark your calendar and prepare your evidence well in advance.

How to Appeal Your Property Tax in Denver

1

Review your assessment notice

Check your property's assessed value when the notice arrives. Compare it to what you believe the home would sell for today. In Colorado: County assessor informal review, then County Board of Equalization.

2

Gather comparable sales

Find 3-5 recent sales of similar homes within 0.5-1 mile. Focus on homes with similar square footage, lot size, age, and condition. Your county assessor's website or Zillow can help.

3

Document property issues

Photograph any condition problems that reduce value: foundation cracks, outdated systems, needed repairs. Assessors may not be aware of interior issues.

4

File your appeal before the deadline

File with your county assessor's office before: June 1 (odd-numbered reassessment years). Most jurisdictions allow online filing. The fee is typically $0-$50.

5

Present your case

Attend the hearing with your comps, photos, and a clear argument for why the assessed value exceeds market value. Be factual and concise. In Colorado, about 30-40% of appeals result in a reduction.

Is It Worth Appealing in Denver?

Current estimated tax

$2,815/year

If appeal succeeds (10-15% reduction)

$2,477/year

A successful appeal saves approximately $338/year -- that is $1,690 over 5 years until the next reassessment. Filing is typically free or under $50.

Find Your Assessor's Office

Property tax assessor office near Denver, CO on Google Maps

Frequently Asked Questions

What is the property tax rate in Denver, CO?
The effective property tax rate in Denver is approximately 0.5%. On a home valued at $563,000 (the estimated median for Denver), that comes to roughly $2,815 per year. Rates can vary within Colorado based on local levies, school districts, and special assessments.
When is the deadline to appeal property taxes in Denver?
In Colorado, the property tax appeal deadline is: June 1 (odd-numbered reassessment years). Missing this deadline typically means waiting until the next assessment cycle. Mark your calendar and gather comparable sales data (comps) well in advance.
How do I appeal my property tax assessment in Denver?
The appeal process in Colorado: County assessor informal review, then County Board of Equalization. You will need recent comparable sales within 0.5-1 mile, photos of property condition issues, and any evidence that the assessed value exceeds market value. About 30-40% of appeals result in a reduction.
How much can I save by appealing property taxes in Denver?
Successful appeals in Denver typically result in a 10-15% reduction. On a $563,000 home paying $2,815/year, that is roughly $338 saved annually. The savings compound every year until the next reassessment. Filing an appeal is usually free or costs a small fee ($25-$50).
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Tax rates and home values are estimates based on state-level data and regional averages. Actual rates vary by municipality, school district, and special assessments. Appeal deadlines and processes are based on state guidelines -- always confirm with your local assessor. This page is for informational purposes only and does not constitute tax or legal advice.