Boulder building inspections
VerifiedInspection sequence, scheduling, and re-inspection fees for building permits in Boulder, Colorado.
Verified 2026-06-30 · Source
How to schedule
Inspections are requested through the building department below.
- Address
- 1101 Arapahoe Avenue, Boulder, CO 80302
- Phone
- 303-441-1880
- Office hours
- Tuesday–Friday, 10:00 a.m.–4:00 p.m.
- Website
- Official site
Inspection sequence
Applies to: Residential Building Permit (New Construction)
- 1
Foundation / Footings
Before concrete pour, per soils report and structural plans; footings must clear the 32-inch frost line
- 2
Framing
After framing complete, before insulation or wall cover
- 3
MEP Rough-In
Mechanical, electrical, plumbing rough-in before walls closed (separate trade permits)
- 4
Insulation / Energy
CoBECC energy compliance verification before drywall
- 5
Final
All work complete, ready for Certificate of Occupancy
Applies to: Accessory Dwelling Unit (ADU) Permit
- 1
Foundation
Footings and foundation before concrete pour
- 2
Framing
Structural framing, egress, fire separation (if attached)
- 3
MEP Rough-In
Mechanical, electrical, plumbing rough-ins before walls closed
- 4
Final
All work complete; Certificate of Occupancy required before occupancy
Applies to: Residential Addition / Remodel Permit
- 1
Foundation (if new footings)
Before concrete pour
- 2
Framing
After framing complete, before insulation or wall cover
- 3
MEP Rough-In
Electrical, plumbing, mechanical rough-in before walls closed
- 4
Final
All work complete per approved plans
Applies to: Commercial Tenant Improvement Permit
- 1
Framing / Structural
After framing complete, before walls covered
- 2
MEP Rough-In
Mechanical, electrical, plumbing rough-in before walls closed
- 3
Final
All work complete, life safety systems functional, ready for Certificate of Occupancy
Applies to: Deck / Covered Patio Permit
- 1
Footing (if applicable)
Before concrete pour for structural post footings — must clear the 32-inch frost line
- 2
Framing
Structural framing before decking/cover installed
- 3
Final
Structure complete per approved plans
Applies to: Plumbing Permit
- 1
Underground / Under-slab
Before concrete pour — pipe slope, materials, cleanouts
- 2
Rough-In
After pipes installed, before walls closed
- 3
Final
All fixtures connected, no leaks, proper venting verified
Applies to: Demolition Permit
- 1
Pre-Demolition Utility Verification
Verification that electric, gas, water are disconnected and sewer capped before demolition begins
- 2
Final
Site cleared, debris removed, deconstruction plan diversion documented
Applies to: Electrical Permit
- 1
Rough-In
Wiring and conduit installed before walls closed
- 2
Final
All devices installed, panel labeled, system energized
Applies to: Mechanical / HVAC Permit
- 1
Rough-In / Equipment
Equipment installation and ductwork before walls closed
- 2
Final
Equipment operational, combustion air and venting verified
Applies to: Solar PV Permit
- 1
Rough Electrical
Conduit runs, wire sizing, disconnect placement before cover
- 2
Final — Structural / Racking and Electrical
Panel mounting, racking attachment, roof penetration sealing, and all electrical connections verified
Final inspection only: EV Charger / EVSE Permit, Roofing Permit (Reroof)
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Boulder building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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