On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Johnson County
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
No public countywide exempt-work list for unincorporated general construction was found in the sources reviewed
- Exempt No public countywide exempt-work list for unincorporated general construction was found in the sources reviewed
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
- 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
- Permit validity
- Not publicly stated in the county sources reviewed
- 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
§ 03
Application process
Typical processing: No countywide general building permit timeline found. OWTS review timeline not publicly stated on the OWTS page reviewed
- 01 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
- 02 For floodplain issues, contact Johnson County Emergency Management, which the county home page identifies as handling floodplain management
- 03 For onsite wastewater work, use the JCCHS OWTS page to review the county health code regulations, OWTS FAQs, and permit application materials
- 04 Apply online through My Health Department or use the OWTS Permit Application PDF
- 05 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
§ 04
Fee schedule
Johnson County building permit fees
Fee type
Amount
01
Minimum permit fee
Not publicly stated
02
Plan check fee
Not publicly stated
03
Permit fee formula
Not publicly stated
04
Reinspection fee
Not publicly stated
JCCHS links online payment through CourtMoney in addition to the My Health Department application path
§ 05
Required inspections
Scheduling and sequence
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 sequence: Not publicly listed for countywide general building work. OWTS technical review and inspection are referenced but not publicly sequenced on the page reviewed
§ 06
Frequently asked
Common questions about unincorporated Johnson County permits
01 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
02 How much does a building permit cost in unincorporated Johnson County, MO? ▸
Building permit fees in unincorporated Johnson County, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is Not publicly stated. Fees are calculated as: Not publicly stated. Plan check fee: Not publicly stated.
03 How do I apply for a building permit in unincorporated Johnson County, MO? ▸
To apply for a building permit in unincorporated Johnson County, MO, follow these steps: 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
04 How long does it take to get a building permit in unincorporated Johnson County, MO? ▸
Building permit processing times in unincorporated Johnson County, MO typically run No countywide general building permit timeline found. OWTS review timeline not publicly stated on the OWTS page reviewed. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Johnson County, MO? ▸
Not all construction work requires a permit 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. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Johnson County, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Johnson County, MO via: OWTS inspections appear to be coordinated through JCCHS Environmental Health; no public scheduling page for general county building inspections was found.
last verified April 2026
source 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 ↗
entry id permits/missouri/johnson/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with 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. Jaspector is not legal advice.