City Building Permits

Mascoutah, ILLINOIS Building Permit Guide

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

Illinois St. Clair County Updated March 2026

Permit Authority

Incorporated City of Mascoutah.

Department
Community Development Department
Address
3 West Main Street, Mascoutah, IL 62258
Phone
(618) 566-2964 (Ext. 107)
Website
https://www.mascoutah.org/community-development/page/building-and-zoning

Online Permit Portal

Open Downloadable Permit Forms

Platform: PDF forms • Account required: No • Submission: In-person only

Application Process

  1. Download application from city website.
  2. Submit completed application and plans to Utility Billing Office.
  3. Plans reviewed (1 week for residential, 3 weeks for commercial).
  4. Pay fees and collect permit.

Typical processing time: 1-3 weeks

Source: Community Development Department

General Requirements

New construction, additions, fences, signs, structural work.

Required Documents

  • Application
  • Architectural seals for commercial/multi-family
Permit validity
Not specified
Building code
2021 IBC, 2021 IRC, 2021 IMC, 2021 IFC, Illinois Plumbing Code
Owner-builder
Homeowners can do own roofing/plumbing on primary residence.
Contractor requirements
Contractors must register ($25/year).

Fees

Minimum permit fee
$100.00
Plan check fee
Not specified
Permit fee formula
Valuation-based ($75 base + $12-$15 per $1,000 value)
Trade permit fee
Not specified
Reinspection fee
Double fee for working without permit
Penalty (no permit)
Double fee for building without permit
Payment note
Utility Billing Office handles payments

Fees change. Verify current amounts at the official fee schedule (effective Not specified).

Work That Does NOT Require a Permit

  • One-story detached accessory structures (sheds) under 200 square feet
  • Minor cosmetic repairs

Important: Contact Community Development Department to confirm exempt work classification before proceeding.

Inspections

How to Schedule

  • (618) 566-2964 (phone)
Scheduling deadline
Not specified
Inspection hours
Not specified
Time windows
Not specified

Typical inspection sequence: Typical sequence: Footing, Framing, Rough, Final.

Not specified

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Community Development Department before applying.

Need help with your project?

Navigating permits in Mascoutah 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.

Learn how Jaspector works
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.

Other cities in St. Clair County

belleville caseyville lebanon new-athens
View all St. Clair County jurisdictions →