County Building Permits
Johnson County, MO - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Johnson County, Missouri. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated communities are the responsibility of the Johnson County Commission per the county emergency operations plan. I did not locate a public countywide general building permit page. The verified county-administered paths are planning and zoning at the county level, floodplain management through Emergency Management, and OWTS permits through JCCHS
- Department
- Johnson County Commission for county planning and zoning oversight; Johnson County Emergency Management for floodplain management; Johnson County Community Health Services Environmental Health for onsite wastewater treatment systems
- Address
- Johnson County Courthouse, 300 N. Holden St., Warrensburg, MO 64093; Johnson County Emergency Management, 263 SE State Route 13, Warrensburg, MO 64093; JCCHS, 723 PCA Rd, Warrensburg, MO 64093
- Phone
- County Commissioners 660-747-2112; Emergency Management 660-747-2666; JCCHS 660-747-6121
Online Permit Portal
Platform: My Health Department • Account required: No • Submission: In-person only
Additional resources:
Application Process
- For county zoning or other unincorporated land use questions, start with the County Commissioners office because the county home page assigns Planning and Zoning there
- For floodplain issues, contact Johnson County Emergency Management, which the county home page identifies as handling floodplain management
- For onsite wastewater work, use the JCCHS OWTS page to review the county health code regulations, OWTS FAQs, and permit application materials
- Apply online through My Health Department or use the OWTS Permit Application PDF
- Coordinate with Environmental Health for technical review and inspections; the OWTS page directs questions to Environmental Health at 660-747-6121 ext. 258
Typical processing time: No countywide general building permit timeline found. OWTS review timeline not publicly stated on the OWTS page reviewed
General Requirements
JCCHS states permits are required for new construction or modifications to any OWTS. No public countywide page stating a general building permit trigger for all unincorporated construction was found
Required Documents
- When a permit is required: JCCHS states permits are required for new construction or modifications to any OWTS. No public countywide page stating a general building permit trigger for all unincorporated construction was found
- Required documents: OWTS permit application and related design/supporting materials per JCCHS forms and design links. Countywide non-OWTS document requirements were not publicly listed
- Permit validity/expiration: Not publicly stated in the county sources reviewed
- Owner-builder rules if available: Not publicly stated in the county sources reviewed
- Contractor license requirements: JCCHS publishes a separate OWTS Licensed Installer and Contractor Application. No countywide general contractor licensing page was found
- Building code adopted: No public countywide building code adoption page located for unincorporated Johnson County. Floodplain management is specifically routed through Emergency Management, and OWTS regulation is administered by JCCHS
- Permit validity
- Not publicly stated in the county sources reviewed
- Building code
- No public countywide building code adoption page located for unincorporated Johnson County. Floodplain management is specifically routed through Emergency Management, and OWTS regulation is administered by JCCHS
- Owner-builder
- Not publicly stated in the county sources reviewed
- Contractor requirements
- JCCHS publishes a separate OWTS Licensed Installer and Contractor Application. No countywide general contractor licensing page was found
Fees
- Minimum permit fee
- Not publicly stated
- Plan check fee
- Not publicly stated
- Permit fee formula
- Not publicly stated
- Reinspection fee
- Not publicly stated
- Payment note
- JCCHS links online payment through CourtMoney in addition to the My Health Department application path
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Johnson County Commission for county planning and zoning oversight; Johnson County Emergency Management for floodplain management; Johnson County Community Health Services Environmental Health for onsite wastewater treatment systems to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- OWTS inspections appear to be coordinated through JCCHS Environmental Health; no public scheduling page for general county building inspections was found ()
- Inspection hours
- JCCHS public health hours are Monday through Friday, 8:00 am to 4:30 pm
Typical inspection sequence: Not publicly listed for countywide general building work. OWTS technical review and inspection are referenced but not publicly sequenced on the page reviewed
Additional Resources
- Building code: No public countywide building code adoption page located for unincorporated Johnson County. Floodplain management is specifically routed through Emergency Management, and OWTS regulation is administered by JCCHS
- Zoning information: View zoning info
- jococourthouse.com
- jocoema.com
- License lookup guide: Missouri Contractor License Requirements
- Contract template: Missouri Homeowner-Contractor Agreement
- Missouri hub: Missouri Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Johnson County Commission for county planning and zoning oversight; Johnson County Emergency Management for floodplain management; Johnson County Community Health Services Environmental Health for onsite wastewater treatment systems before applying.
Frequently Asked Questions
Johnson County Building Permit FAQ
- Do I need a building permit in unincorporated Johnson County, MO?
- JCCHS states permits are required for new construction or modifications to any OWTS. No public countywide page stating a general building permit trigger for all unincorporated construction was found
- How much does a building permit cost in unincorporated Johnson County, MO?
- The minimum permit fee is Not publicly stated. Fees are calculated as: Not publicly stated. Plan check fee: Not publicly stated.
- How do I apply for a building permit in unincorporated Johnson County, MO?
- 1. For county zoning or other unincorporated land use questions, start with the County Commissioners office because the county home page assigns Planning and Zoning there 2. For floodplain issues, contact Johnson County Emergency Management, which the county home page identifies as handling floodplain management 3. For onsite wastewater work, use the JCCHS OWTS page to review the county health code regulations, OWTS FAQs, and permit application materials 4. Apply online through My Health Department or use the OWTS Permit Application PDF 5. Coordinate with Environmental Health for technical review and inspections; the OWTS page directs questions to Environmental Health at 660-747-6121 ext. 258
- How long does it take to get a building permit in unincorporated Johnson County, MO?
- Typical processing time is No countywide general building permit timeline found. OWTS review timeline not publicly stated on the OWTS page reviewed.
- What work is exempt from building permits in unincorporated Johnson County, MO?
- The following work is generally exempt: No public countywide exempt-work list for unincorporated general construction was found in the sources reviewed.
- How do I schedule a building inspection in unincorporated Johnson County, MO?
- Inspections can be scheduled via: OWTS inspections appear to be coordinated through JCCHS Environmental Health; no public scheduling page for general county building inspections was found.
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