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§ 02
When a permit is required
Permit triggers and exempt work for Mattoon
Mattoon requires building permits for regulated construction and alterations.
Public downloads include separate forms for fence, plumbing, mechanical, sign, street cut, water/sewer tap, demolition, and extraterritorial permits.
- Exempt Public downloads include separate forms for fence, plumbing, mechanical, sign, street cut, water/sewer tap, demolition, and extraterritorial permits.
Required documents
- Detached garages need plot plan.
- Single family homes and duplexes need plot plan with size, location, streets, parking, and drive entrances.
- Other buildings need two sets of complete plans, plot plan, drainage plan if over 10,000 square feet is altered, parking layout, site work plan, building/electrical/plumbing/mechanical plans, and calculations.
- Applicable work must be sealed by an Illinois registered design professional.
- Owner certification is required if someone other than the owner applies.
- Building code
- International Building Code 2024, International Residential Code 2024, International Fire Code 2024, International Existing Building Code 2021, Illinois Accessibility Code 2018, Illinois Plumbing Code 2014, Illinois NEC 2008, and older local code references.
- Owner-builder
- Owner certification required if not the applicant.
- Contractor requirements
- Published page says approved concrete contractors for certain public works work; general contractor licensing is local, not statewide.
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Confirm zoning and permit type.
- 02 Download the correct permit application.
- 03 Prepare required plans.
- 04 Submit for review.
- 05 Receive the permit after approval.
Source: Community Development and Code Enforcement, City of Mattoon ↗
§ 04
Required inspections
Scheduling and sequence
- Inspection hours
- City Hall hours Monday to Friday, 8:00 a.m. to 4:30 p.m.
Typical sequence: Plan review first, then permit issuance, then inspections as applicable.
§ 05
Frequently asked
Common questions about Mattoon permits
01 Do I need a building permit in Mattoon, IL? ▸
Mattoon requires building permits for regulated construction and alterations.
02 How do I apply for a building permit in Mattoon, IL? ▸
To apply for a building permit in Mattoon, IL, follow these steps: 1. Confirm zoning and permit type. 2. Download the correct permit application. 3. Prepare required plans. 4. Submit for review. 5. Receive the permit after approval.
03 What work is exempt from building permits in Mattoon, IL? ▸
Not all construction work requires a permit in Mattoon, IL. The following work is generally exempt: Public downloads include separate forms for fence, plumbing, mechanical, sign, street cut, water/sewer tap, demolition, and extraterritorial permits.. When in doubt, confirm with the local building department before starting work.
last verified April 2026
source Community Development and Code Enforcement, City of Mattoon ↗
entry id permits/illinois/coles/mattoon
Educational reference. Permit rules and fees change — confirm current requirements directly with Community Development and Code Enforcement, City of Mattoon before applying. Jaspector is not legal advice.