Building Permit Fees

The Boulder County Community Planning & Permitting office at 2045 13th St., Boulder is open to the public on Monday, Wednesday, and Thursday from 8 a.m. to 3 p.m., and on Tuesday from 10 a.m. to 3 p.m. Appointments are available on Tuesday but are not required. Schedule an appointment.

Building Permit Fees and Estimator Calculator Tool

Boulder County Building Permit Fees

View Boulder County Building Permit Fees, updated January 1, 2023. The fees apply to the unincorporated areas of Boulder County, not in cities or towns that collect their own fees.

Building Permit Fees Estimator Calculator Tool

Use the Building Permit Fees Estimator Calculator tool below to get an estimate for what the Building Permit Fees would be on your project. Answer the questions in the tool and enter your estimated cost of the labor and materials for the project to get an estimate of the Building Permit Fees. You’ll be given the option of downloading a PDF of the estimated fees when you finish entering your information.

NOTE: This Online Boulder County Building Permit Fee Estimator only provides an ESTIMATE of the Building Permit Fees that may apply to your project. The actual final Boulder County Building Permit Fee will be calculated by the Boulder County Building Safety & Inspection Services staff at the time of permit application approval. For more information, email

Building Permit Fee Estimator Calculator Tool:

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Building Safety and Inspection Services

Contact Plans Examiners

Email Building Inspectors:

Courthouse Annex Building

2045 13th St.
Boulder, CO 80302


8 a.m. to 3 p.m. Monday, Wednesday, Thursday
10 a.m. to 3 p.m. Tuesday
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Mailing Address

Building Safety and Inspection Services
PO Box 471
Boulder, CO 80306
Building Safety and Inspecition Services website