Ask a Building Official

Boulder County Community Planning & Permitting services are available virtually 8 a.m.–4:30 p.m. Monday, Wednesday, Thursday and Friday, and 10 a.m.–4:30 p.m. Tuesday. The office is open to walk-in customers (no appointment necessary) Monday, Wednesday, and Thursday from 9 a.m.–2 p.m. On Tuesdays the department is open by appointment only from 12:30–4:30 p.m.

Ask a Building Official

The Boulder County Community Planning & Permitting Department has Planning, Building and Zoning jurisdiction in unincorporated areas in Boulder County, not in cities and towns.

Questions regarding City of Boulder addresses should be directed to City of Boulder Planning and Development Services.

To verify if your address is in unincorporated Boulder County OR a city/town, please check via the Property Search tool before submitting your question to Ask a Building Official.

See Municipality Contacts Within Boulder County for land use and building questions concerning Boulder County cities and towns.

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Contact Us

Building Safety & Inspection Services

Email: Ask a Building Official
Main: 303-441-3926

Courthouse Annex Building

2045 13th Street
Boulder, CO 80302
Hours are Monday, Wednesday and Thursday from 9 a.m. to 2 p.m. On Tuesdays the department is open by appointment only from 12:30–4:30 p.m.
Map & Directions

Mailing Address

Building Safety & Inspection Services
PO Box 471
Boulder, CO 80306
bouldercounty.gov