Retaining wall construction permits

Documents you may need

• Building permit applicationLikely required
• Site plan showing wall location, height, property lines and drainageLikely required
• Engineered design for walls retaining more than 48 inches or carrying added loadsSometimes required
• Wall system manufacturer specificationsSometimes required

Possible inspections

• Footing or base inspection
• Drainage and reinforcement inspection where required
• Final inspection

Retaining wall construction permits by location

Pick your city or county for local contacts and the specific answer.

Frequently asked questions

Do I need a permit for retaining wall construction?

Most likely yes. Retaining wall construction usually requires a permit. Each state adopts its own building code and each local building department enforces it, so pick your city below for the local answer.

What documents do I need?

Commonly: Building permit application; Site plan showing wall location, height, property lines and drainage; Engineered design for walls retaining more than 48 inches or carrying added loads; Wall system manufacturer specifications. Your jurisdiction sets the exact list.

How do I get an answer for my specific project?

Run the free PermitRoadmap check. It uses your answers and your jurisdiction to return the likely permits, documents, inspections, and next steps, each linked to its source.