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Here's what you can expect from your latest property assessment

Property assessors from seven Denver area counties are giving the public a sneak peak of what they can expect as property assessments make their way to homeowners.

DENVER, Colorado — Every two years, assessors from all 64 counties in Colorado get to work valuing the property within their counties.

On Wednesday, the Denver, Adams, Arapahoe, Boulder, Douglas, Elbert and Jefferson County assessors announced the findings of the 2019 revaluation process to the media.


Denver Assessor Keith Erffmeyer said his office reviewed over 222,000 taxable properties citywide. According to Erffmeyer, single-family residential property in Denver increased by a median of 20%. Multifamily properties saw a median increase of 24%.

If you would like to file an appeal in Denver, you must do so by June 3, 2019.


Adams County Assessor Ken Musso said his county “experienced significant growth and increases in our property values over this last cycle.” According to Musso, the overall value increase for this new appraisal cycle in Adams County is 23%. Residential properties increased by 24% while commercial properties increased by 20%. Musso said agricultural properties increased by 14%.

Notices of value will be available to residents by the first week of May. Musso encouraged property owners to review their accounts online.

If you would like to file an appeal in Adams County, you can do so in several different ways:

  • Sign the back of your notice evaluation and mail it back to the Assessor’s office at 4430 S. Adams County Parkway
  • Come in person
  • Email assessor@adcogov.com
  • File online at www.adcogov.org/assessor


Arapahoe County Assessor PK Kaiser said his office has sent more than 212,000 notices of evaluation for real properties. Kaiser told the media that residential properties increased by 22% over the 2017 appraisals. Commercial properties in Arapahoe County increased by 15%. Kaiser said some of the greatest increases in commercial property value were seen along the Interstate 25 corridor.

If you would like to file an appeal in Arapahoe County or have questions, there will be mobile offices available for residents. All other taxpayers are encouraged to contact the assessor’s office if they have any questions or would like to dispute their property value.


Boulder County Assessor Cynthia Braddock said the median value increases for single-family residential properties stands at 12%. Braddock told media that Boulder has a “strong multifamily apartment market.” The increase for those properties was assessed at 20%. “According to Braddock, commercial properties in Boulder saw a median increase of 15.5%. The areas of the residential market that have seen the highest value increases are the areas with the most affordable homes,” Braddock said.  

Notices of valuations for Boulder County will be mailed on May 1, 2019. You’re encouraged to contact the Boulder County Assessor’s office if you have questions about your valuation of would like to dispute it. Braddock told the media her office will be setting up remote sites across the county.


Douglas County Assessor Lisa Frizell told media that “the median increase in single-family housing is 14.5% with condominiums and townhomes seeing a median increase of 16%.” 

Values for Douglas County property owners were made available online on April 19, 2019. Notices of valuation will be mailed on or before May 1, 2019.


Elbert County Assessor Susan Murphy said, “the market represents a median value change of 20% over the previous reappraisal.”

If you would like to file an appeal in Elbert County, you can do so online. This is the first year the county is offering this option.


Jefferson County Assessor Scot Kersgaard said his county saw an overall median average increase of about 15%. Kersgaard said larger cities like Lakewood, Littleton, and Wheatridge saw an increase of 14% in property values. According to Kersgaard, “values are driven by location, location, location.”

“People have the right to appeal if we get it wrong,” Kersgaard told 9NEWS. He is pushing people toward the Jefferson County Assessor’s website to help “bring the office into the 21st century.”

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