Retaining Wall Permit Requirements in Broomfield, CO
City and County of Broomfield (consolidated city-county). Chief Building Official: Tim Pate. Transitioning to 2024 IBC/IRC April 2026.
When you DON'T need a permit
Retaining walls under 4 feet do not require a permit in Denver, CO.
Source: Broomfield Building and Fire Code (2021 I-Codes with amendments)
When you DO need a permit
Retaining walls 4+ feet require a permit in Denver, CO.
Estimated fee: $150 – $600
Typical timeline: About 3 weeks
Source: Broomfield Building and Fire Code (2021 I-Codes with amendments)
Retaining walls with surcharge require a permit in Denver, CO.
Estimated fee: $150 – $600
Typical timeline: About 3 weeks
Source: Broomfield Building and Fire Code (2021 I-Codes with amendments)
What Makes Broomfield Different
Here's how Broomfield's retaining wall rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
Broomfield drops the height feet threshold to 3 feet. The IRC allows up to 4 feet before requiring a permit.
Retaining walls 4+ feet require a permit in Denver, CO.
Retaining walls with surcharge require a permit in Denver, CO.
Retaining Wall Permit Costs: Broomfield vs. Nearby
Broomfield runs higher than average for Colorado. Expect $150 – $600 versus the state average of $115 – $485.
Zoning & HOA Considerations
Retaining walls near property lines may require zoning setback review. Walls that significantly change the grade of a property may need additional zoning approval.
If you live in an HOA community: some HOAs restrict retaining wall materials and appearance. Visible retaining walls in front or side yards may need architectural review approval for material and design.
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Frequently Asked Questions
Estimated permit fees for Retaining Wall projects in Broomfield, CO range from $150 – $600. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Retaining Wall projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Broomfield can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Retaining Wall permits in Broomfield is About 3 weeks. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate — you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About Retaining Wall Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Retaining Wall Guide →