Official Communications from the Town of Lyons

Boulder County Assessor's Office Notice of Property Values

Assessor's Office Staff at Lyons Town Hall on May 15, 8 a.m. to 4:30 p.m.

The Boulder County Assessor’s Office has completed its biennial reappraisal of all property in Boulder County and mailed notices of value to property owners on May 1, 2019. Per state statute, for 2019, the actual value for residential, commercial, industrial, and other property types reflects the market value of the property as of June 30, 2018. (Read full release here.)

Drop-in Appeals at Lyons Town Hall

In addition to mail, online, and fax options, Assessor’s personnel will be available to hear appeals or answer questions in-person at several alternate locations throughout Boulder County. On Wednesday, May 15, from 8 a.m. to 4:30 p.m., Assessor's Office staff will be at Lyons Town Hall for drop-in appeals. 

All appeals must be filed by 11:59 p.m. on June 1. For more information on Boulder County's real property valuation appeals, visit

Town of Lyons, Colorado
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