Permits & Building Codes
Northern Colorado Basement Permitting, Done Right
Finishing a basement in Colorado isn't a DIY handshake — it's a permitted, inspected construction project. We pull every permit, schedule every inspection, and build to the codes your city enforces, so your finished square footage is legal, insurable, and resale-ready.
Fort Collins Building Department
The City of Fort Collins requires a building permit for any basement finish that adds walls, electrical, plumbing, or egress windows. Work must follow the 2021 International Residential Code (IRC) as adopted by the city, including:
- ▪ Minimum 7'0" ceiling height for habitable space (Fort Collins residential code).
- ▪ Egress windows in every basement bedroom — minimum 5.7 sq ft clear opening.
- ▪ Hard-wired smoke and carbon-monoxide detectors tied to the home's electrical system.
- ▪ Separate HVAC return and supply, or engineered ventilation, for conditioned space.
- ▪ Insulation meeting current Colorado energy code (R-10 continuous or R-13 cavity on foundation walls).
We submit the full plan set to Fort Collins Building Review, schedule framing, electrical, and final inspections, and close out the permit so it shows as a completed, compliant project on the city's record.
Greeley & Weld County Permitting
The City of Greeley Building Division enforces the IRC and the Colorado State Electrical Board's rules. Basement finishes in Greeley and unincorporated Weld County require:
- ▪ A building permit with stamped or detailed floor plans showing egress, exits, and room use.
- ▪ A separate electrical permit — Greeley requires a licensed electrician of record on the permit.
- ▪ A plumbing permit for any added bathroom, wet bar, or floor drain, plus a backwater valve where the main is below sewer line.
- ▪ Egress compliance per IRC R310, including window wells with a 9 sq ft clear area and ladder if deeper than 44".
- ▪ A final inspection and a Certificate of Occupancy for newly habitable space.
We coordinate with the Greeley Building Division and Weld County for properties outside city limits, pull every trade permit, and deliver the final inspection packet so your basement is documented and code-compliant.
Why a Permitted Basement Matters
Unpermitted basement finishes are the most common disclosure issue flagged on Northern Colorado home inspections. A finished basement without permits can force a price reduction at sale, trigger a reassessment, or be flagged for removal by a buyer's lender. Because we're a licensed general contractor with 24/7 restoration support, your basement is built, documented, and warrantied to the standard an appraiser and an insurer both want to see.