How much does a building permit cost in Austin, MO?

The minimum permit fee is Not published online; consult the department. Fees are calculated as: Not stated; assume the county fee book covers valuation-based charges. Plan check fee: Not posted publicly.

How do I apply for a building permit in Austin, MO?

1. Select the correct packet for your work and gather required plans/documentation 2. Deliver the completed packet to the Building Codes office (in person or via the listed email contacts) with seals and site details 3. Await plan review—the office notes that permits are not issued immediately and to allow time 4. Schedule inspections and receive the certificate of occupancy through the department staff once the plan is approved

What work is exempt from building permits in Austin, MO?

The following work is generally exempt: No exempt work list is provided online; call the department before starting work to verify permit requirements.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0.

How do I schedule a building inspection in Austin, MO?

Inspections can be scheduled via: Call the Building Codes office at 816-380-8134 to request inspections; the contact info lists individual inspectors.

City Building Permits

Austin, MO - 2026 Building Permit Guide

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

Missouri Cass County Updated March 2026

Permit Authority

Austin is listed with the other Cass County jurisdictions and relies on the county building codes office; applicants are reminded that permits are not issued at application time and plan review time is required for approval.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0 Austin also appears on the county’s official cities list, confirming municipal status within Cass County.【0†source】citeturn1view0

Department: Building Codes, Zoning & Environmental Health Department, Cass County
Address: 30508 S. W. Outer Road, Harrisonville, MO 64701
Phone: 816-380-8134
Email: AndreaS@CassCounty.com (permit technician) with additional contacts listed for building questions
Website: https://www.casscounty.com/2144/Building-Codes-Zoning-Environmental-Heal

Online Permit Portal

Open None—county applicants download the relevant PDF packet and submit it directly to the office

Platform: n/a (paper and emailed submissions) • Account required: No • Submission: In-person only

Additional resources:

Application Process

Select the correct packet for your work and gather required plans/documentation
Deliver the completed packet to the Building Codes office (in person or via the listed email contacts) with seals and site details
Await plan review—the office notes that permits are not issued immediately and to allow time
Schedule inspections and receive the certificate of occupancy through the department staff once the plan is approved

Typical processing time: Plan review is required before issuance; allow the department time before starting work.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0

Source: Building Codes, Zoning & Environmental Health Department, Cass County

General Requirements

New construction, additions/remodels, accessory buildings, solar systems, septic systems, generators and ROW projects require a permit, including special flood hazard reconstruction

Required Documents

When a permit is required: New construction, additions/remodels, accessory buildings, solar systems, septic systems, generators and ROW projects require a permit, including special flood hazard reconstruction
Required documents: Complete the applicable packet and include sealed plans, contractor/engineer information, soil/septic references, site sketches and utility disconnect proof per the department’s application list
Permit validity/expiration: Not listed publicly; contact the department
Owner-builder rules if available: Not detailed online; call the staff line
Contractor license requirements: Structural and solar work must be certified by Missouri registered engineers/architects, and the department verifies contractors via the submitted applications
Building code adopted: County amendments to the 2006 International Codes apply to all towns serviced by Cass County.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0

Permit validity: Not listed publicly; contact the department
Building code: County amendments to the 2006 International Codes apply to all towns serviced by Cass County.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0
Owner-builder: Not detailed online; call the staff line
Contractor requirements: Structural and solar work must be certified by Missouri registered engineers/architects, and the department verifies contractors via the submitted applications

Fees

Minimum permit fee: Not published online; consult the department
Plan check fee: Not posted publicly
Permit fee formula: Not stated; assume the county fee book covers valuation-based charges
Reinspection fee: Not published; contact the permit technician
Payment note: Payments are handled directly through the county office when the fee is finalized

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

Work That Does NOT Require a Permit

Contact the Building Codes, Zoning & Environmental Health Department, Cass County to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

Call the Building Codes office at 816-380-8134 to request inspections; the contact info lists individual inspectors ()

Inspection hours: Office hours are Monday–Friday, 6:30 a.m.–3:00 p.m

Typical inspection sequence: Plan review precedes foundation/rough/final inspections; certificate issuance follows passing inspections

Additional Resources

Building code: County amendments to the 2006 International Codes apply to all towns serviced by Cass County.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0
Zoning information: View zoning info
Cass County ordinances page (
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 Building Codes, Zoning & Environmental Health Department, Cass County before applying.

Frequently Asked Questions

Austin Building Permit FAQ

Do I need a building permit in Austin, MO?: New construction, additions/remodels, accessory buildings, solar systems, septic systems, generators and ROW projects require a permit, including special flood hazard reconstruction
How much does a building permit cost in Austin, MO?: The minimum permit fee is Not published online; consult the department. Fees are calculated as: Not stated; assume the county fee book covers valuation-based charges. Plan check fee: Not posted publicly.
How do I apply for a building permit in Austin, MO?: 1. Select the correct packet for your work and gather required plans/documentation 2. Deliver the completed packet to the Building Codes office (in person or via the listed email contacts) with seals and site details 3. Await plan review—the office notes that permits are not issued immediately and to allow time 4. Schedule inspections and receive the certificate of occupancy through the department staff once the plan is approved
How long does it take to get a building permit in Austin, MO?: Typical processing time is Plan review is required before issuance; allow the department time before starting work.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0.
What work is exempt from building permits in Austin, MO?: The following work is generally exempt: No exempt work list is provided online; call the department before starting work to verify permit requirements.【0†source】【0†source】【0†source】【0†source】【0†source】citeturn20view0.
How do I schedule a building inspection in Austin, MO?: Inspections can be scheduled via: Call the Building Codes office at 816-380-8134 to request inspections; the contact info lists individual inspectors.

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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.