NEWS RELEASE
BOULDER COUNTY ASSESSOR'S OFFICE
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On May 1, 2023, the Boulder County Assessor’s Office mailed all residential property owners a Notice of Valuation postcard that included the property’s basic assessment. The Assessor’s Office would like to remind property owners that those who wish to appeal the determined market value of their home or commercial property are required to file their appeal with the Assessor’s Office by 11:59 p.m. on Thursday, June 8.
Property owners may appeal their values on the Boulder County website, by fax, by mail, drop box, or email. There are online tools available at boco.org/AssessorAppeals to help property owners research comparable sales data and attach that information to their appeal.
If you have questions for Assessor’s Office staff, call 303-441-3530. Please leave a voicemail message if you call after hours. Please note that the Assessor’s Office hours are 7:30 a.m. – 5:00 p.m. Monday – Thursday. Bilingual staff are available to help in English and Spanish. Assistance in languages is available through phone interpretation.
Property owners can access a more traditional Notice of Value at BoulderCountyAssessor.org. Anyone without computer access can call our office at 303-441-3530 to request that a traditional Notice of Value be sent to them at no charge.
State law requires that all real property (land and buildings) in a county be revalued (reappraised) every odd-numbered year. Per state statute, for 2023, the actual value for residential, commercial, industrial, and other property types reflects the market value of the property as of June 30, 2022. The previous biennial reappraisal was done in 2021 based on market values from June 30, 2020.
As area residents are aware, real estate values have been going up at a significant pace based on high demand for a limited supply of properties for sale. Overall, there is an increase in values for residential properties. The median percent increases for residential type properties in this appraisal period is 35%. This does not equate to a 35% increase in property tax. More information about the relationship between values and property tax can be found on the county’s website: boco.org/2023Valuation
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