Boulder Permits

Building Permits in Boulder

Find permit requirements, fees, and application steps for all common building projects in Boulder, CO. Source-cited from official city building code.

Most home improvement projects in Boulder require a building permit. Select a permit type below to see whether a permit is required, what the fees are, and how to apply through the Boulder Planning and Development Services — Building Safety Division.

Permit Types

Boulder Building Department

Boulder Planning and Development Services — Building Safety Division

Phone: (303) 441-3200

Visit Building Department Website

About Boulder Building Permits

Building permits ensure that construction work in Boulder meets local safety codes and zoning requirements. Unpermitted work can result in fines, required demolition, and complications when selling your home. Always confirm permit requirements with the Boulder Planning and Development Services — Building Safety Division before starting any project.

Source: Boulder Revised Code Title 9, Section 9-8-5 — Accessory Units; Colorado Revised Statutes Title 29 (HB 24-1175 codification). Last verified April 6, 2026. View source

Last updated: April 6, 2026
Building Permits in Boulder, CO — Permit Requirements | PropertyZoned