Retaining Wall Permit Requirements in Johnstown, CO
Johnstown is a city of 20,639 residents in Colorado that follows the 2018 building code. Whether you need a building permit for your Retaining Wall project depends on the scope of work — here's what Johnstown's building department requires.
When you DON'T need a permit
Retaining walls 4 feet or less in height generally do not require a permit.
Source: Town of Johnstown Code / 2018 IRC (SAFEbuilt)
When you DO need a permit
Retaining walls over 4 feet require a building permit with engineered plans.
Estimated fee: $120 – $480
Typical timeline: About 2 weeks
Source: Town of Johnstown Code / 2018 IRC (SAFEbuilt)
Retaining walls near property lines may require zoning setback review. Walls that significantly change the grade of a property may need additional zoning approval.
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Frequently Asked Questions
Estimated permit fees for Retaining Wall projects in Johnstown, CO range from $120 – $480. 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 Johnstown 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 Johnstown is About 2 weeks. More complex projects may take longer if plan review is required.
Learn More About Retaining Wall Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Retaining Wall Guide →