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
Fence Permit
Requirements →
Shed Permit
Requirements →
Deck Permit
Requirements →
Pool Permit
Requirements →
Addition Permit
Requirements →
ADU Permit
Requirements →
Demolition Permit
Requirements →
Electrical Permit
Requirements →
Plumbing Permit
Requirements →
Roofing Permit
Requirements →
HVAC Permit
Requirements →
Solar Permit
Requirements →
Boulder Building Department
Boulder Planning and Development Services — Building Safety Division
Phone: (303) 441-3200
Visit Building Department WebsiteAbout 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