CO Building Standards2026 Residential Code

Colorado Building Permit Costs, Exemptions & City Portals

Understand residential construction permit requirements in Colorado under Colorado Model Energy Code & Local Home Rule Building Standards. Calculate permit fee estimates for Denver and surrounding counties, check shed and fence exemptions, and review mandatory inspection procedures.

Colorado Statutory Ruling: Residential Permitting Standards & Exemptions

Colorado Building Permit Standard: Under Colorado Model Energy Code & Local Home Rule Building Standards, residential building permits are mandated for Basement finish and egress wells, Solar battery storage systems, High-altitude snow-load roof replacements. Detached accessory storage sheds up to 200 sq ft and fences up to 6 ft are permit-exempt. Base municipal fees start at $95 plus plan check review fees.

Governing Code: Colorado Model Energy Code & Local Home Rule Building StandardsMetro Jurisdiction: Denver Community Planning and DevelopmentLast Verified: October 2026

Building Permit Cost & Requirement Estimator

Estimate municipal building permit fees, plan check review costs, and inspection requirements by project valuation.

Valuation includes labor and materials as required by municipal fee formulas.
Expected Permit Subcodes:
BuildingElectricalPlumbing

Estimated Municipal Permit Fees (Denver, CO)

Building Construction Permit:$459
Plan Check Review Fee (65%):$298
Subtrade Surcharges (Elec/Plumb/Mech):$150
Total Estimated Permit Cost:$771 – $1,043
⏱ Typical Plan Review Turnaround: 10–20 business days
Local Jurisdiction Department:
Denver Community Planning and Development
Open Official City Permit Portal →
State Building Standards Code: Colorado Model Energy Code & Local Home Rule Building Standards. Detached one-story accessory tool sheds are permit-exempt up to 200 sq ft. Fences up to 6 feet tall are exempt from building permits.

Planning Construction Budgets in Denver?

Compare full contractor labor and material cost benchmarks across kitchen, bathroom, ADU, and roof replacements.

Explore Metro Cost Guides →

Colorado Building Code Exemption Guidelines

Detached Shed Exemption Cap
Up to 200 sq ft
One-story tool/storage shed without electrical or plumbing
Fence Height Exemption Cap
Up to 6 Feet Tall
Standard residential boundary privacy fences

Projects Strictly Requiring Building Permits in Colorado

  • Basement finish and egress wells
  • Solar battery storage systems
  • High-altitude snow-load roof replacements
  • Furnace and heat pump installations

Permit-Exempt Cosmetic Improvements in Colorado

  • Detached one-story storage sheds under 200 sq ft
  • Fences under 6 feet
  • Kitchen cabinet and floor cosmetic replacement

Penalties for Unpermitted Work in Colorado

City of Denver issues Stop Work orders and charges double fees, along with potential code enforcement fines up to $999 per day.

Major Municipal Building Department (Denver)

For properties located in or around Denver, residential permits are processed through the Denver Community Planning and Development. Standard residential plan check reviews typically take 10–20 business days.

Access Denver Online Permitting Portal →

Colorado Building Permit FAQs

Do I need a permit to finish a basement in Denver, Colorado?

Yes. Finishing a basement requires a building permit, electrical permit, and plumbing permit, with specific attention to frost-line foundations and IRC emergency egress dimensions.

Can unpermitted renovations block a home sale in Colorado?

Yes. Colorado buyer contracts routinely require sellers to disclose unpermitted additions. Lenders may refuse mortgages or title insurers may exclude coverage for unpermitted basement bedrooms.

Compliance Notice: Building codes are adopted locally and may vary between incorporated cities and unincorporated county districts in Colorado. Always verify specific setback and permitting requirements with your local jurisdiction before commencing construction.