File your Business Personal Property Declaration

About Business Personal Property

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The Personal Property Section of the Assessor's Office establishes values for business personal property (the assets owned by businesses) for ad valorem property tax purposes.

By April 15 of every year, businesses in Boulder with a total actual value of their personal property assets greater than $7,000 are required to send the Boulder County Personal Property Section a declaration listing all the assets they owned as of January 1, along with information regarding the original date and cost of acquisition for those assets. Even if assets were disposed of after January 1, they must be declared because current Colorado law does not provide for prorated assessments. The Assessors Personal Property staff takes the information provided by the taxpayer and calculates a value for each business; a Notice of Valuation is mailed by June 15.

If you have also filed a paper declaration, please note that on your online form.

The Assessor is located at 1325 Pearl St. Courthouse, Boulder on the Pearl Street Mall. The mailing address is: PO Box 1759, Boulder, Colorado 80306.

New business owners may be unaware of the basic rules and procedures regarding the personal property assessment process, so please review the information in the first paragraph at the top of this page, and feel free to call the Personal Property Division at 303-441-3316 with any questions. Leasing Companies can also call this number.

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      Jerry Roberts, Assessor

      Jerry Roberts

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      Contacts

      Assessor

      Main: 303-441-3530
      Alternate: 303-441-4830
      Fax: 303-441-4996
       
      Mailing Address
      Main: PO Box 471
      Boulder, CO 80306-0471
       
      assessor@bouldercounty.org
       
      bouldercountyassessor.org
       
      Business Personal Property
      Main: 303-441-3316
      Fax: 303-441-1783
       
      Mailing Address
      PO Box 1759
      Boulder, CO 80306-1759

      Boulder

      1325 Pearl St., 2nd floor
      Boulder, CO 80302
      Map & Directions
      Hours: 8 a.m.-4:30 p.m. M-F

      Longmont

      529 Coffman Street, Suite 120
      Map & Directions
      Hours: 8 a.m.-4:30 p.m.
      Mondays ONLY

      Lafayette

      1376 Miners Dr., Unit 105
      Map & Directions
      Hours: 8 a.m.-4:30 p.m.
      Tuesdays ONLY

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