Assessor Appeal period, May 1 through June 1
Due to COVID-19, the Assessor's Office will be closed for all in-office appeals from May 1 to June 1, 2021.
To learn how to file an appeal for your property type, visit our Appeal Time page.
Residential Property Owners (excluding tax agents, multi-family, commercial and land property owners) may file online by clicking the Online Appeal button below.
Click the Property Records Search button below to search Property Records where you may view your entire Notice of Value.
Owners of all other real property types should file their appeal through the mail, postmarked by June 1, 2021.
Your right to appeal the property valuation and/or classification to the Assessor, expires June 1, 2021.
What is an Assessor?
Watch the videos below (English or Spanish) and learn more about who an assessor is and how your property taxes are calculated.
Please check our FAQs before booking an appointment.
The Assessor’s Office is now requiring appointments for in-person services Monday through Thursday from 7:30 a.m. to 5 p.m. If you require in-person services, please book an appointment before coming to the office using the button below.
Assessor’s Office Notices
- For information on property taxes and property values during COVID-19, please view this note from the assessor regarding property taxes and values (PDF).
- We are currently processing deeds recorded in October 2020. If you have questions about a tax notice for a property you bought or sold before then, please see the "Important Alerts for Tax Notices" section below.
- The last day for Business Personal Property Declaration Schedule is April 15, 2021.
- To send us an email, please use our contact form.
- For in-person services, please book an appointment.
Thank you for your patience and understanding.
Important Alerts for Tax Notices:
- We are currently processing documents that were recorded with the Jefferson County Clerk & Recorder in October 2020. Ownership changes that have occurred since then may not be reflected on Property Record Search results. Thank you for your understanding and patience.
- The notice above will be updated to reflect our progress.
- If you receive a tax notice for a property you sold in 2019, please disregard it. Once the ownership records are updated, the new owner will be notified of the taxes due.
- If you did not receive a tax notice for property you owned before 2019, you may find the tax notice using the Treasurer’s Property Records Search Application. Please search by address or PIN/Schedule#, if known.
The Jefferson County Assessor’s Office provides quality customer service by being courteous, respectful and informative while identifying, describing and valuing all property within Jefferson County in a fair, ethical, accurate and professional manner.
Click the button below to search Property Records.
The Assessor is available anytime to present the Re-Appraisal Valuation and Assessment Process. Please contact the Assessor’s Office to schedule.
If a property owner believes the assessor has incorrectly valued or classified their property or business personal property, an appeal may be filed.
The assessment process involves setting standards for fair and equitable values, discovering and listing information about properties and determining property values.
This is your one-stop-shop to find all of the change of address forms you need to inform the Jefferson County Assessor's Office of an address change.
Find documents and forms related to the Assessor's office.
Find questions people ask the Jefferson County Assessor frequently.
See Assessor's online services.
Business personal property must be reported to the Assessor’s Office every year by April 15 so that the Assessor’s Office can value it for taxation purposes. According to § 39-1-102(11), C.R.S., personal property includes “everything that is the subject of ownership and that is not included within the term ‘real property.’”
You can find information about the appraisal of commercial property as well as the commercial income survey forms in this section.
The property description department identifies property, maintains and updates the assessor parcel maps, updates the ownership records for the tax roll per recorded documents and assigns new schedule numbers and parcel numbers for new divisions of land.
Get all the information you need about property taxes, how they are calculated, the dates you need to know and the exemptions for disabled veterans and seniors.
Sales files used in reappraisal for the mass appraisal analysis and value compliance review
Certification of Values, Mill Levies, Abstract Reports
The Jefferson County Assessor's Office provides quality customer service by being courteous, respectful, and informative while identifying, describing and valuing all property within Jefferson County in a fair, ethical, accurate and professional manner.