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County building permits

Unincorporated Audrain County

How to apply for a building permit in unincorporated Audrain County, Missouri. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 6
§ 01

Permit authority

Audrain County Commission with the County Coordinator serving as the Floodplain Manager/zoning administrator who oversees flood-loss reduction activities in the unincorporated area. ?cite?turn8view0?turn13search0?

Street address
101 North Jefferson Street, Mexico, MO 65265. ?cite?turn8view0?
Coverage
Covers the entire unincorporated county; the Commission/Coordinator handle zoning and floodplain oversight but no county-level building or NFIP ordinance exists, so projects defer to municipal or state codes. ?cite?turn13search0?
§ 02

When a permit is required

Permit triggers and exempt work for Audrain County

The unincorporated county lacks its own building code, so any county-controlled work is managed through the Coordinator with reference to municipal/state codes, meaning there is no additional county-level permit system. ?cite?turn13search0?

No exempt-work list is published for the county; applicants should contact the Commission or County Coordinator. ?cite?turn0search3?
  • Exempt No exempt-work list is published for the county; applicants should contact the Commission or County Coordinator. ?cite?turn0search3?
Required documents
  • When a permit is required: The unincorporated county lacks its own building code, so any county-controlled work is managed through the Coordinator with reference to municipal/state codes, meaning there is no additional county-level permit system. ?cite?turn13search0?
  • Required documents: Not listed publicly; the Coordinator advises applicants on which municipal/state filings (floodplain approval, permits) are necessary. ?cite?turn13search0?
  • Permit validity/expiration: Not defined at the county level. ?cite?turn13search0?
  • Owner-builder rules if available: Not published; contact the Coordinator for state owner-builder guidance. ?cite?turn13search0?
  • Contractor license requirements: Not published locally; rely on state licensure or the municipality that governs the site. ?cite?turn13search0?
  • Building code adopted: The profile explicitly lists �Building Code: No,� so the county defers to municipal/state codes for structural, mechanical, and fire requirements. ?cite?turn13search0?
Building code
The profile explicitly lists �Building Code: No,� so the county defers to municipal/state codes for structural, mechanical, and fire requirements. ?cite?turn13search0?
Permit validity
Not defined at the county level. ?cite?turn13search0?
Owner-builder
Not published; contact the Coordinator for state owner-builder guidance. ?cite?turn13search0?
Contractor requirements
Not published locally; rely on state licensure or the municipality that governs the site. ?cite?turn13search0?
§ 03

Application process

Typical processing: Not published; the county handles each inquiry on a case-by-case basis via staff. ?cite?turn0search3?

  1. 01
    Call the County Commission or Coordinator to confirm whether a proposed project falls under county oversight and what floodplain or zoning clearances are triggered. ?cite?turn0search3?turn13search0?
  2. 02
    Assemble supporting materials (floodplain plans, sketches, applicable state approvals) and submit them to the Coordinator for routing to the relevant agency. ?cite?turn13search0?
  3. 03
    Proceed under the necessary municipal or state permits once the county confirms no additional county-level blocking issues; Audrain County itself does not issue a universal building permit. ?cite?turn13search0?

Typical processing time: Not published; the county handles each inquiry on a case-by-case basis via staff. ?cite?turn0search3?

§ 04

Fee schedule

Audrain County building permit fees

Fee type
Amount
01
Minimum permit fee
Not published. ?cite?turn0search3?
02
Plan check fee
Not published. ?cite?turn0search3?
03
Permit fee formula
Not published. ?cite?turn0search3?
04
Reinspection fee
Not published. ?cite?turn0search3?

Payments are handled through the Commission staff as part of the case-by-case coordination; no system is published. ?cite?turn0search3?

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • Not defined; inspections occur through the municipality or at the state level once the county reviews the project. ?cite?turn13search0? ()
Inspection hours
Not published. ?cite?turn13search0?

Typical sequence: Not published; the county defers inspections to the governing municipality or relevant state agency. ?cite?turn13search0?

§ 06

Frequently asked

Common questions about unincorporated Audrain County permits

01 Do I need a building permit in unincorporated Audrain County, MO?
The unincorporated county lacks its own building code, so any county-controlled work is managed through the Coordinator with reference to municipal/state codes, meaning there is no additional county-level permit system. ?cite?turn13search0?
02 How much does a building permit cost in unincorporated Audrain County, MO?
Building permit fees in unincorporated Audrain County, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is Not published. ?cite?turn0search3?. Fees are calculated as: Not published. ?cite?turn0search3?. Plan check fee: Not published. ?cite?turn0search3?.
03 How do I apply for a building permit in unincorporated Audrain County, MO?
To apply for a building permit in unincorporated Audrain County, MO, follow these steps: 1. Call the County Commission or Coordinator to confirm whether a proposed project falls under county oversight and what floodplain or zoning clearances are triggered. ?cite?turn0search3?turn13search0? 2. Assemble supporting materials (floodplain plans, sketches, applicable state approvals) and submit them to the Coordinator for routing to the relevant agency. ?cite?turn13search0? 3. Proceed under the necessary municipal or state permits once the county confirms no additional county-level blocking issues; Audrain County itself does not issue a universal building permit. ?cite?turn13search0?
04 How long does it take to get a building permit in unincorporated Audrain County, MO?
Building permit processing times in unincorporated Audrain County, MO typically run Not published; the county handles each inquiry on a case-by-case basis via staff. ?cite?turn0search3?. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Audrain County, MO?
Not all construction work requires a permit in unincorporated Audrain County, MO. The following work is generally exempt: No exempt-work list is published for the county; applicants should contact the Commission or County Coordinator. ?cite?turn0search3?. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Audrain County, MO?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Audrain County, MO via: Not defined; inspections occur through the municipality or at the state level once the county reviews the project. ?cite?turn13search0?.
last verified April 2026 entry id permits/missouri/audrain/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Audrain County Commission with the County Coordinator serving as the Floodplain Manager/zoning administrator who oversees flood-loss reduction activities in the unincorporated area. ?cite?turn8view0?turn13search0? before applying. Jaspector is not legal advice.