Boulder County government offices are closed Monday, May 29, in observance of Memorial Day.

If you have questions about property valuation and property tax, visit

Access Permit

Boulder County regulates access to the right-of-way to maintain safe traffic flow, road drainage facilities, and efficient use of the county’s roads. An Access Permit is needed to construct any driveway providing vehicular access to or from any county right-of-way.

Requirements for Access Permits:


Boulder County Community Planning and Permitting
Development Review Team

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