Colorado Senior Property Tax Exemption

Colorado Department of Revenue / Boulder County

Available Property Tax Relief

About This Program

Colorado Senior Property Tax Exemption is available to homeowners in Longmont, CO.

Colorado seniors age 65+ who have owned and occupied their home for at least 10 consecutive years can exempt 50% of the first $200,000 of home value from property taxes. Must apply through Boulder County Assessor.

Exempts 50% of first $200,000 of actual home value from taxation

Official program page checked live on 2026-06-22.

Data last verified 2026-06-09. How we verify our data.

In Longmont, CO, you can combine this program with other local help to cut your cost:

Key Details

  • 50% exemption on first $200,000 of home value
  • Must be 65+ years old by January 1
  • 10 consecutive years of ownership and occupancy
  • No income requirement
  • Apply by July 15 annually

How to Apply

Get free help applying Visit Official Program Page Track this program

(303) 441-3530

A grant-savvy contractor in Longmont, CO can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

Your application paperwork

Form to file: Senior Property Tax Exemption Short Form (or Long Form)

Colorado exempts 50 percent of the first 200,000 dollars of a qualifying senior's home value from property tax. You must be 65 or older on January 1 and have owned and lived in the home as your primary residence for at least 10 consecutive years. You file a Short Form (or Long Form for surviving spouses and exceptions) with your county assessor.

Steps to apply

  1. Confirm you are 65 or older on January 1 and have owned and occupied the home for at least 10 consecutive years.
  2. Get the Senior Property Tax Exemption Short Form from your county assessor or the Division of Property Taxation.
  3. Use the Long Form instead if you are a surviving spouse or qualify under an exception.
  4. Submit the completed form to your county assessor on or before July 15.
Get the official form

Documents you will likely need

  • Proof of age (driver license or birth certificate).
  • Proof you have owned and occupied the home for at least 10 consecutive years.
  • Proof the home is your primary residence (where you are registered to vote).
  • The completed Short Form (or Long Form).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Apply by July 15 for current tax year

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can Colorado Senior Property Tax Exemption provide in Longmont, CO?

50% of first $200,000 value exempt.

Who qualifies for Colorado Senior Property Tax Exemption in Longmont?

Colorado Senior Property Tax Exemption is open to homeowners in Longmont, CO. It has no income limit. It serves seniors.

How do I apply for Colorado Senior Property Tax Exemption in Longmont, CO?

Apply directly with Colorado Department of Revenue / Boulder County using the official program link on this page or call (303) 441-3530. There is no middleman and no fee. Deadline: Apply by July 15 for current tax year.

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