If you have questions about property valuation and property tax, visit boco.org/2023Valuation.

Visit the Sheriff’s Office website for the outcome of the Marshall Fire investigation.

Road & Bridge Project Bid Information

Road & Bridge Project Bid Information

Boulder County Transportation Department uploads road, bridge and trail construction projects to www.QuestCDN.com.

QuestCDN provides:

  • Plans out for bid
  • Plan holders lists
  • Bid resultsIf no projects are displayed, Boulder County does not have any active bids for road and bridge construction.

Bids and Contracts provides additional information on bidding opportunities.

Contact Us

Public Works Department (formerly Transportation)

Submit a request


2525 13th Street
Boulder, CO 80304

Map & Directions

Hours: Building Open 8 a.m. - 4:30 p.m. Tuesdays & Thursdays

Mailing Address

P.O. Box 471
Boulder, CO 80306