Monday - Friday7:30 a.m. - 5:30 p.m.
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.
The Jefferson County Assessor has implemented a new Residential Online Protest E-Form Filing solution this year with which to file your Residential Property Protest.
Access the new Residential Online Protest E-Form.
Note: To file electronically, you must first create a new account.Please read the account login and registration information.After you receive the email and the account validation has been made, log in and validate your account.
The Jefferson County Assessor has implemented a new E-GOV solution this year to file your Personal Property Declaration Schedule.
Access the new Jeffco Assessor's Personal Property Electronic Filing.
Select from the links below for information on these service areas of the Assessor’s Office.
100 Jefferson County Parkway Golden, Colorado 80419 (303) 279-6511
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