Assessor

Assessor News and Articles

Appeals

If a property owner believes the assessor has incorrectly valued or classified their property or business personal property, an appeal may be filed.

Assessment Process

The assessment process involves setting standards for fair and equitable values, discovering and listing information about properties and determining property values.

Change of Address Forms

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.

Documents and Forms

Find documents and forms related to the Assessor's office.

FAQs

Find questions people ask the Jefferson County Assessor frequently.

Online Services

See Assessor's online services.

Business Personal Property Information

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.’”

Commercial Property

You can find information about the appraisal of commercial property as well as the commercial income survey forms in this section.

Property Description Department

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.

Property Exemption

Property Exemptions

Property Taxes

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

Sales files used in reappraisal for the mass appraisal analysis and value compliance review

Tax Authority Information and Reports

Certification of Values, Mill Levies, Abstract Reports

About Us

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.