Assessor
Jefferson County Assessor
Protest Deadline
June 1
Required Form
Real Property Appeal
Risk of Increase
No
Median Home Value
$490,000
Effective Tax Rate
0.58%
Estimated Annual Savings
$426
Based on 15% reduction
Jefferson County Assessor Portal
Access your property records, assessment details, and file protests directly through the official Jefferson County website.
Visit https://www.jeffco.us/610/Assessors-OfficeTips for Jefferson County Protests
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West Denver metro including Golden and Lakewood
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File protest by June 1
Step-by-Step
How to Protest in Jefferson County
Review your property assessment notice from Jefferson County Assessor. Verify the property details — square footage, bedroom count, lot size, and condition.
Research comparable sales in your area. Look for recent sales of similar properties that sold for less than your assessed value.
File your protest by the June 1 deadline. You can file online at https://www.jeffco.us/610/Assessors-Office, by mail, or in person.
Prepare your evidence packet. Include comparable sales data, property condition photos, and any repair estimates that affect value.
Attend your protest hearing. Present your evidence clearly and focus on comparable sales that support a lower value.
Receive your decision. If the protest is unsuccessful, check your options for further appeal.
No Risk of Increase
In Colorado, your assessed value cannot increase as a result of filing a protest. Your value can only stay the same or go down. There is no risk to filing.
FAQ
Jefferson County Property Tax Questions
How do I protest my property tax in Jefferson County, Colorado?
File a protest with Jefferson County Assessor by the June 1 deadline. You can file online at https://www.jeffco.us/610/Assessors-Office, by mail, or in person. ProtestMax generates your complete protest packet for $45 flat.
What is the property tax rate in Jefferson County?
The average effective property tax rate in Jefferson County is approximately 0.58%. The median home value is $490,000, resulting in an average annual tax bill of approximately $2,842.
What is the protest deadline for Jefferson County?
The protest deadline for Jefferson County is June 1. Make sure to file before this deadline to preserve your right to protest.
How much can I save by protesting my Jefferson County property tax?
A successful protest in Jefferson County typically reduces the assessed value by 10-20%. On the median home value of $490,000, a 15% reduction saves approximately $426 per year.
Can my property tax increase if I protest?
No. In Colorado, your assessed value cannot increase as a result of filing a protest. Your value can only stay the same or go down.