Deck / Patio 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 5 local rules

When you DON'T need a permit

Freestanding decks not exceeding 30 inches above grade do not require a building permit in Kansas City, KS.

Source: Unified Government of Wyandotte County / Kansas Codes

When you DO need a permit

Decks more than 30 inches above grade require a building permit in Kansas City, KS. Structural plans and guard rails required.

Estimated fee: $112 – $450

Typical timeline: About 3 weeks

Source: Unified Government of Wyandotte County / Kansas Codes

Decks attached to the house require a building permit regardless of height. Ledger board connections must meet IRC requirements to prevent structural failure.

Estimated fee: $75 – $250

Typical timeline: About 2 weeks

Source: KCMO 2018 IRC with local amendments

Attached decks require a building permit in Kansas City, KS due to structural connection to the home.

Estimated fee: $75 – $300

Typical timeline: About 2 weeks

Source: Unified Government of Wyandotte County / Kansas Codes

Large covered decks (300+ sq ft) require building and zoning permits in Kansas City, KS.

Estimated fee: $188 – $600

Typical timeline: About 4 weeks

Source: Unified Government of Wyandotte County / Kansas Codes

Deck / Patio Permit Costs: St. Joseph vs. Nearby

St. Joseph comes in on the low side for Missouri. You're looking at $75 – $600 here, compared to the state average of $120 – $397.

CityEstimated Fee
St. Joseph $75 – $600
Kansas City $120 – $480
Kansas City $75 – $250
Kansas City $80 – $320

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation.

Zoning & HOA Considerations

Zoning

Decks may be subject to zoning setback and lot coverage requirements. Check with your local planning department before building near property lines.

HOA Communities

If you live in an HOA community: many HOAs restrict deck materials, colors, size, and placement. Review your CC&Rs and submit an architectural review request before applying for a building permit. HOA approval can take 1–6 weeks.

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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 Deck / Patio 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 Deck / Patio 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 Deck / Patio 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 Deck / Patio Permits

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

Read Deck / Patio 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.