Colorado Permit & Stamping Requirements
Requirements vary by region, code cycle, seismic zone, and wind or snow load. Here is what typically drives design for Colorado projects.
What Drives Design in Colorado
Colorado projects are governed primarily by seismic lateral demand.
- ✓ Seismic lateral analysis per ASCE 7
- ✓ State energy code compliance report
- ✓ Structural Engineer (SE) seal where required
Exact code edition and local amendments vary by city and county. We confirm the specific requirements for your address before drafting.
Code in effect in Colorado
Colorado has no statewide building code for general construction. Each city and county adopts and enforces its own, so the edition depends on your exact location. State law does set an energy floor: since July 2023, any jurisdiction updating its building codes must adopt at least the 2021 IECC, and from July 2026 those updating must adopt the state Model Low Energy and Carbon Code.
What to plan for
- ✓ Because adoption is local, neighbouring jurisdictions can enforce different code editions.
- ✓ Updated code adoptions must include electric-ready, EV-ready and solar-ready provisions.
- ✓ Mountain jurisdictions carry high ground snow loads that drive roof framing design.
Code information last verified September 2026. Codes change, so we confirm the edition in force for your address before drafting.
Frequently asked questions about Colorado permits
Does Colorado have a statewide building code?
No. Building codes are adopted locally, so Denver, Colorado Springs and smaller mountain towns can each be on different editions. We confirm your jurisdiction before drafting.
What energy code applies in Colorado?
State law sets a minimum. Jurisdictions updating their codes must adopt at least the 2021 IECC, and from July 2026 the state Low Energy and Carbon Code, including electric-ready, EV-ready and solar-ready provisions.
Sample Work & Other States
Foundation Plan
View full portfolio › Structural
Roof Framing Plan
View full portfolio › Civil / Site