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§ 02
When a permit is required
Permit triggers and exempt work for Mascoutah
New construction, additions, fences, signs, structural work.
One-story detached accessory structures (sheds) under 200 square feet
Minor cosmetic repairs
- Exempt One-story detached accessory structures (sheds) under 200 square feet
- Exempt Minor cosmetic repairs
Note: Contact Community Development Department to confirm exempt work classification before proceeding.
Required documents
- Application
- Architectural seals for commercial/multi-family
- 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).
§ 03
Application process
Typical processing: 1-3 weeks
- 01 Download application from city website.
- 02 Submit completed application and plans to Utility Billing Office.
- 03 Plans reviewed (1 week for residential, 3 weeks for commercial).
- 04 Pay fees and collect permit.
Typical processing time: 1-3 weeks
§ 04
Fee schedule
Mascoutah building permit fees
Fee type
Amount
01
Minimum permit fee
$100.00
02
Permit fee formula
Valuation-based ($75 base + $12-$15 per $1,000 value)
03
Reinspection fee
Double fee for working without permit
04
Penalty (no permit)
Double fee for building without permit
Utility Billing Office handles payments
§ 05
Required inspections
Scheduling and sequence
How to schedule
- (618) 566-2964 (phone)
Typical sequence: Typical sequence: Footing, Framing, Rough, Final.
§ 06
Frequently asked
Common questions about Mascoutah permits
01 Do I need a building permit in Mascoutah, IL? ▸
New construction, additions, fences, signs, structural work.
02 How much does a building permit cost in Mascoutah, IL? ▸
Building permit fees in Mascoutah, IL are set by the local building department and vary by project type and valuation. The minimum permit fee is $100.00. Fees are calculated as: Valuation-based ($75 base + $12-$15 per $1,000 value).
03 How do I apply for a building permit in Mascoutah, IL? ▸
To apply for a building permit in Mascoutah, IL, follow these steps: 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.
04 How long does it take to get a building permit in Mascoutah, IL? ▸
Building permit processing times in Mascoutah, IL typically run 1-3 weeks. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Mascoutah, IL? ▸
Not all construction work requires a permit in Mascoutah, IL. The following work is generally exempt: One-story detached accessory structures (sheds) under 200 square feet; Minor cosmetic repairs. Note: Contact Community Development Department to confirm exempt work classification before proceeding. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Mascoutah, IL? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Mascoutah, IL via: (618) 566-2964.
last verified April 2026
source Community Development Department ↗
entry id permits/illinois/st-clair/mascoutah
Educational reference. Permit rules and fees change — confirm current requirements directly with Community Development Department before applying. Jaspector is not legal advice.