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§ 02
When a permit is required
Permit triggers and exempt work for Monroe County
The county says no person shall construct, install, modify, or operate a wastewater treatment system without the required permit; systems existing when the ordinance was adopted in 1986 are grandfathered unless they become a nuisance or need modification
Systems in use when the county wastewater ordinance was adopted in 1986 are grandfathered and do not require a permit unless the system becomes a nuisance or needs modification
The public page does not provide a broader exempt-work list for ordinary building permits
- Exempt Systems in use when the county wastewater ordinance was adopted in 1986 are grandfathered and do not require a permit unless the system becomes a nuisance or needs modification
- Exempt The public page does not provide a broader exempt-work list for ordinary building permits
Required documents
- When a permit is required: The county says no person shall construct, install, modify, or operate a wastewater treatment system without the required permit; systems existing when the ordinance was adopted in 1986 are grandfathered unless they become a nuisance or need modification
- Required documents: Application, fee payment, and any setback or design information required by the health department
- Permit validity/expiration: Not publicly posted
- Owner-builder rules if available: A landowner may install a wastewater treatment system, but a registered Missouri installer is recommended
- Contractor license requirements: For wastewater systems, the county recommends a registered installer in Missouri
- Building code adopted: The public record reviewed did not identify a countywide general building code adoption for ordinary private construction; the county wastewater ordinance has been in place since 1986
- Building code
- The public record reviewed did not identify a countywide general building code adoption for ordinary private construction; the county wastewater ordinance has been in place since 1986
- Permit validity
- Not publicly posted
- Owner-builder
- A landowner may install a wastewater treatment system, but a registered Missouri installer is recommended
- Contractor requirements
- For wastewater systems, the county recommends a registered installer in Missouri
§ 03
Application process
Typical processing: Not publicly posted
- 01 Confirm whether the project needs septic/wastewater approval, floodplain review, driveway access review, or another county-specific signoff
- 02 For septic systems, complete the application and pay the permit fee to the Monroe County Health Department
- 03 The health department performs the initial inspection and then a final evaluation when the work is complete
- 04 For any county building fee that applies, pay the published fee at the Monroe County Clerk's Office
- 05 Follow any county instructions for setbacks, construction limits, or completion approval before occupancy
Typical processing time: Not publicly posted
§ 04
Fee schedule
Monroe County building permit fees
Fee type
Amount
01
Minimum permit fee
Septic system permit fee is $150.00
02
Plan check fee
Not publicly posted
03
Permit fee formula
Septic fee is flat; the page also states building permit fees are $60.00, payable at the County Clerk's Office
04
Reinspection fee
Not publicly posted
Septic permit fee is payable to the Monroe County Health Department; the published building permit fee is payable at the Monroe County Clerk's Office
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Contact the Monroe County Health Department ()
- Inspection hours
- Monday through Friday, 8:00 AM to 4:30 PM
Typical sequence: Initial inspection, then final evaluation after completion
§ 06
Frequently asked
Common questions about unincorporated Monroe County permits
01 Do I need a building permit in unincorporated Monroe County, MO? ▸
The county says no person shall construct, install, modify, or operate a wastewater treatment system without the required permit; systems existing when the ordinance was adopted in 1986 are grandfathered unless they become a nuisance or need modification
02 How much does a building permit cost in unincorporated Monroe County, MO? ▸
Building permit fees in unincorporated Monroe County, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is Septic system permit fee is $150.00. Fees are calculated as: Septic fee is flat; the page also states building permit fees are $60.00, payable at the County Clerk's Office. Plan check fee: Not publicly posted.
03 How do I apply for a building permit in unincorporated Monroe County, MO? ▸
To apply for a building permit in unincorporated Monroe County, MO, follow these steps: 1. Confirm whether the project needs septic/wastewater approval, floodplain review, driveway access review, or another county-specific signoff 2. For septic systems, complete the application and pay the permit fee to the Monroe County Health Department 3. The health department performs the initial inspection and then a final evaluation when the work is complete 4. For any county building fee that applies, pay the published fee at the Monroe County Clerk's Office 5. Follow any county instructions for setbacks, construction limits, or completion approval before occupancy
04 How long does it take to get a building permit in unincorporated Monroe County, MO? ▸
Building permit processing times in unincorporated Monroe County, MO typically run Not publicly posted. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Monroe County, MO? ▸
Not all construction work requires a permit in unincorporated Monroe County, MO. The following work is generally exempt: Systems in use when the county wastewater ordinance was adopted in 1986 are grandfathered and do not require a permit unless the system becomes a nuisance or needs modification; The public page does not provide a broader exempt-work list for ordinary building permits. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Monroe County, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Monroe County, MO via: Contact the Monroe County Health Department.
last verified April 2026
source Monroe County Health Department, Environmental Health, for septic and wastewater permits; Monroe County Clerk collects the published building permit fee ↗
entry id permits/missouri/monroe/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Monroe County Health Department, Environmental Health, for septic and wastewater permits; Monroe County Clerk collects the published building permit fee before applying. Jaspector is not legal advice.