Retaining Wall Permit Requirements in St. Joseph, MO

2018 IBC/IRC/IMC/IFGC, 2018 UPC, 2018 IFC, 2017 NEC. Manager: Maranda Jones.

Population: 72,473 Code: 2018 Verified: 2026-04-10 3 local rules

When you DON'T need a permit

Retaining walls under 4 feet do not require a building permit in Kansas City, KS, unless supporting a surcharge.

Source: Unified Government of Wyandotte County / Kansas Codes

When you DO need a permit

Retaining walls 4 feet or taller require a building permit and engineered design in Kansas City, KS.

Estimated fee: $112 – $450

Typical timeline: About 3 weeks

Source: Unified Government of Wyandotte County / Kansas Codes

Retaining walls supporting a surcharge require a building permit in Kansas City, KS regardless of height.

Estimated fee: $112 – $450

Typical timeline: About 3 weeks

Source: Unified Government of Wyandotte County / Kansas Codes

Retaining Wall Permit Costs: St. Joseph vs. Nearby

St. Joseph's fees are right in line with the Missouri average — $112 – $450 versus $102 – $443 statewide.

Zoning & HOA Considerations

Zoning

Retaining walls near property lines may require zoning setback review. Walls that significantly change the grade of a property may need additional zoning approval.

HOA Communities

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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Building Department Contact

NameBuilding Division, Planning & Community Development
Address1100 Frederick Avenue, Room 106, St. Joseph, MO 64501
HoursMon-Fri 8am-5pm

Frequently Asked Questions

Estimated permit fees for Retaining Wall projects in St. Joseph, MO range from $112 – $450. 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 St. Joseph 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 St. Joseph 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 →

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Disclaimer: This information was last verified on 2026-04-10. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.