• Contact Information

    Assessor's Office


    Monday - Friday
    7:30 a.m. - 5:30 p.m.

    Contact Us

    100 Jefferson County Parkway
    Suite 2500
    Admin and Courts Facility
    Golden, CO 80419

    View Map

    Taxpayer Services

    Fax: 303-271-8660

    Real Estate Information

    Fax: 303-271-8660

    Business Personal Property

    Fax: 303-271-8660

  • Residential Real Property Online Protest E-Form Filing

     The Assessor has extended the protest deadline to June 15.

    Protests must be filed on or before June 15.

    This online protest e-form filing is for residential properties only.  

    Residential Online Protest E-Form Filing  You are now leaving the jeffco.us website to an external site

    All other types of property valuation protest must be in person or by mail.

    Please provide an email address to receive a confirmation of your online residential appeal filing.

    Agents may not file online using this form. Only the owner of the property may file online.
    Agents must complete the paper form with the notice of value and appeal in person, or by mail, and submit written permission from owner for the agent to appeal the property.

    It is important that you provide pertinent information supporting your estimate of value. The sales used to develop the current year actual value are listed on the assessor's web site.

    Connect to assessor property records search Use the Property Records Search to locate your property and click "Neighborhood Sales" for improved residential sales in your area.

    Please fill in the Online Protest E-Form Filing form information  You must specify the schedule number and check the verification box for this online protest to be considered.

    *Required Field

    You can also download a version of this form and send it via mailView Microsoft viewr and Adobe reader requirements on the downloads page. This form must be filled out and mailed before the deadline.