Licensed Contractors Serving Unincorporated Boulder County

The Boulder County Community Planning & Permitting Department will be closed to in-person and virtual services on Tuesday, Oct. 4, so staff can attend an off-site department work planning session. Our office will reopen at 10 a.m. on Wednesday, Oct. 5.

Licensed Contractors Serving Unincorporated Boulder County

The Community Planning & Permitting Department licenses contractors performing work in unincorporated areas of Boulder County. A contractor is anyone who engages in any type of work for compensation for which a building permit is required or who directs or supervises such work.

Boulder County does not have jurisdiction over contractor licensing in cities and towns in Boulder County. See Municipality Contacts Within Boulder County for information on contractor licensing in cities and towns.

The Following Are Not Considered to be Contractors:

  • The property owner
  • A laborer working under the supervision of a contractor
  • A person who is performing labor or repair work on their own property
  • An employee of the property owner who performs full-time maintenance or repair work on the property owners property
  • State-licensed plumbers or electricians

Boulder County Licensed Contractors by Type

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