ADU Permit Online Portal Guide in Kansas City, Missouri
Everything you need to apply for a adu permit in Kansas City, Missouri — documents, fees, steps, and a downloadable submission packet.
Key Facts
- Permit required
- Yes
- Submission method
- Online
- Typical fee range
- $2,700 – $9,075
- Review time
- Varies by jurisdiction
- Inspections
- 6 inspections required
Kansas City Planning Department
Verified7-step online submission process — account registration required[1][2]
Open PortalPortal steps may change without notice. Always confirm the current process at Kansas City's online portal.
Avoid rejections — generate a submission-ready packet
Get a personalized ADU permit packet for Kansas City, Missouri — tailored to your project details.
- Required forms: Building Permit Application, and more
- Pre-filled templates: Permit Cover Sheet
- Fee breakdown: $900–$5,500 estimated total
- Step-by-step Kansas City Planning Department portal submission guide
- Inspection prep checklist (6 items)
- Personalized for your specific project details
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Required Documents
Kansas City requires the following documents for this permit application.
Building Permit Application
Completed City of Kansas City building permit application with detailed ADU project information and property owner details
Architectural Drawings
Complete architectural plans signed by a licensed Missouri architect, including floor plans, elevations, building sections, and construction details
Site Plan
Site plan showing property boundaries, lot dimensions, building footprint, setbacks, parking areas, driveways, and utility access
Zoning Verification Letter
Zoning verification letter from Kansas City Planning confirming ADU is permitted in property zoning district
Structural Engineering Plans
Structural engineering plans and calculations by a licensed Missouri professional engineer for foundation and structural systems
Mechanical and Utility Plans
Plans showing water supply, sewer, electrical, and gas connections with separate metering for independent ADU utilities
Fees and Timeline
Fee Breakdown
| Fee | Range | Confidence |
|---|---|---|
| ADU Permit Fee | $1,800 – $5,500 | Verified |
| Plan Review Fee | $900 – $3,575 | Verified |
Inspections Required
Foundation and footing inspection per Missouri Building Code
Foundation and footing inspection per Missouri Building Code
Framing and structural member verification
Framing and structural member verification
Electrical rough-in and separate service panel inspection
Electrical rough-in and separate service panel inspection
Plumbing rough-in and fixture installation inspection
Plumbing rough-in and fixture installation inspection
Mechanical systems and HVAC installation inspection
Mechanical systems and HVAC installation inspection
Final inspection and Certificate of Occupancy issuance
Final inspection and Certificate of Occupancy issuance
Authority Sources
Data on this page is sourced from official records published by the permitting authority. Always verify requirements directly before submitting.
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
Verified February 15, 2026
Frequently Asked Questions
- Do I need a adu permit in Kansas City?
- Yes. Kansas City requires a adu permit for this type of project. Submitting without a permit may result in fines, required removal, or complications when selling your property.
- How long does adu permit approval take in Kansas City?
- Processing times in Kansas City vary depending on project complexity and current review volume. The process involves 7 steps. Contact Kansas City Development Services for current timelines.
- What documents are required for a adu permit in Kansas City?
- Kansas City requires 6 documents including Building Permit Application, Architectural Drawings, Site Plan, Zoning Verification Letter, and others. See the full list above for details.
- What happens if I build without a adu permit in Kansas City?
- Building without a permit in Kansas City can result in stop-work orders, fines, required removal of work, difficulty selling your property, and insurance complications. It is strongly recommended to obtain proper permits before starting work.
- Can PermitMagic help prepare my adu permit submission in Kansas City?
- Yes. PermitMagic generates a submission-ready packet tailored to Kansas City's requirements, including a document checklist, workflow steps, and authority references. Start a permit plan to get your personalized packet.
- How much does a adu permit cost in Kansas City?
- ADU permit fees in Kansas City typically range from $2,700 to $9,075, depending on project scope. Fees may include building permit, plan review, and technology surcharges. Verify current fees with Kansas City.
Related Permits
Other permits in Kansas City
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Answer a few project questions and get a adu permit packet for Kansas City, Missouri — with every document, form, and fee organized for submission.
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