Shed / Outbuilding 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 7 local rules

When you DON'T need a permit

One-story detached accessory structures (sheds) not exceeding 120 square feet are exempt from a building permit, provided they have no electrical or plumbing. Zoning setbacks still apply.

Source: KCMO 2018 IRC Section R105.2, local amendment

KS (Unified Government), one-story sheds not exceeding 200 square feet without electrical or plumbing are exempt from a building permit. Zoning setbacks still apply.

Source: UG/WyCo 2018 IRC Section R105.2

Sheds 120 square feet or less without electrical or plumbing are exempt from permits in Kansas City, MO.

Source: KCMO Building Code

Sheds 200 square feet or less without electrical or plumbing are exempt from permits in Kansas City, KS.

Source: Unified Government of Wyandotte County / Kansas Codes

When you DO need a permit

Sheds larger than 120 square feet require a building permit in Kansas City, MO.

Estimated fee: $80 – $320

Typical timeline: About 2 weeks

Source: KCMO Building Code

Sheds larger than 200 square feet require a building permit in Kansas City, KS.

Estimated fee: $75 – $300

Typical timeline: About 2 weeks

Source: Unified Government of Wyandotte County / Kansas Codes

Sheds with electrical service require building and electrical permits in Kansas City, KS.

Estimated fee: $112 – $375

Typical timeline: About 2 weeks

Source: Unified Government of Wyandotte County / Kansas Codes

Shed / Outbuilding Permit Costs: St. Joseph vs. Nearby

St. Joseph runs higher than average for Missouri. Expect $75 – $375 versus the state average of $58 – $202.

Zoning & HOA Considerations

Zoning

Sheds may be subject to zoning setback requirements and lot coverage limits. Placement near property lines or in front yards may require zoning approval.

HOA Communities

If you live in an HOA community: many HOAs restrict or prohibit outbuildings. Check your CC&Rs for rules on shed size, placement, materials, and appearance before purchasing or building.

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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 Shed / Outbuilding projects in St. Joseph, MO range from $80 – $320. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Shed / Outbuilding 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 Shed / Outbuilding permits in St. Joseph is About 2 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 Shed / Outbuilding Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Shed / Outbuilding 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.