How much does a building permit cost in unincorporated Audrain County, MO?

The minimum permit fee is Not published. ?cite?turn0search3?. Fees are calculated as: Not published. ?cite?turn0search3?. Plan check fee: Not published. ?cite?turn0search3?.

What work is exempt from building permits 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?.

How do I schedule a building inspection in unincorporated Audrain County, MO?

Inspections can be scheduled via: Not defined; inspections occur through the municipality or at the state level once the county reviews the project. ?cite?turn13search0?.

County Building Permits

Audrain County, MO - 2026 Building Permit Guide

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

Missouri Updated March 2026

Permit Authority

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?

Department: 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?
Address: 101 North Jefferson Street, Mexico, MO 65265. ?cite?turn8view0?
Phone: 573-473-5822. ?cite?turn8view0?
Email: Not published , the county highlights the general phone line as the only listed contact method. ?cite?turn8view0?
Website: https://audraincounty.org/ (the county's main portal listed on regional directories). ?cite?turn0search0?

Online Permit Portal

Open None; the county has no separate planning or permitting portal, so prospective applicants must initiate contact through the Commission or County Coordinator. ?cite?turn0search3?turn13search0?

Platform: N/A • Account required: No • Submission: In-person only

Additional resources:

Application Process

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?
Assemble supporting materials (floodplain plans, sketches, applicable state approvals) and submit them to the Coordinator for routing to the relevant agency. ?cite?turn13search0?
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?

Source: 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?

General Requirements

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

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?

Permit validity: Not defined at the county level. ?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?
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?

Fees

Minimum permit fee: Not published. ?cite?turn0search3?
Plan check fee: Not published. ?cite?turn0search3?
Permit fee formula: Not published. ?cite?turn0search3?
Reinspection fee: Not published. ?cite?turn0search3?
Payment note: Payments are handled through the Commission staff as part of the case-by-case coordination; no system is published. ?cite?turn0search3?

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the 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? to confirm whether your project requires a permit before starting work.

Inspections

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

Additional Resources

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?
Zoning information: View zoning info
(general county site) and direct coordination with the County Coordinator for zoning details. ?cite?turn0search0?
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 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.

Frequently Asked Questions

Audrain County Building Permit FAQ

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?
How much does a building permit cost in unincorporated Audrain County, MO?: The minimum permit fee is Not published. ?cite?turn0search3?. Fees are calculated as: Not published. ?cite?turn0search3?. Plan check fee: Not published. ?cite?turn0search3?.
How do I apply for a building permit in unincorporated Audrain County, MO?: 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?
How long does it take to get a building permit in unincorporated Audrain County, MO?: Typical processing time is Not published; the county handles each inquiry on a case-by-case basis via staff. ?cite?turn0search3?.
What work is exempt from building permits 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?.
How do I schedule a building inspection in unincorporated Audrain County, MO?: Inspections can be scheduled via: Not defined; inspections occur through the municipality or at the state level once the county reviews the project. ?cite?turn13search0?.

Need help with your project?

Navigating permits in Audrain County (unincorporated) can be complicated.

Jaspector connects you with local experts who can review your scope, verify your contractor, and help you understand what permits your project actually needs.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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