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When a permit is required
Permit triggers and exempt work for Macoupin County
Any new construction that requires a septic system or any substantial improvement to existing structures in unincorporated areas.
- Exempt Cosmetic work (painting, wallpapering, flooring)
- Exempt Minor repairs not affecting structural integrity
- Exempt Fences (in unincorporated areas only; verify setbacks)
- Exempt Small sheds not requiring septic
- Completed PTAX-760 form
- Site plan
- 911 address
- Septic permit
- Building code
- Illinois Public Act 103-0510 (Statewide Mandatory Codes). Effective January 1, 2025: 2021 IBC (Commercial), 2021 IRC (Residential), 2021 IEBC (Existing Buildings), 2023 NEC (Electrical).
- Permit validity
- Generally valid for 1 year or until construction completion.
- Owner-builder
- Owner-builders are allowed and must comply with 2025 state mandates.
- Contractor requirements
- No county-wide general contractor license. Roofing contractors must be state-licensed. Plumbers must be state-licensed through IDFPR.
Application process
Typical processing: 5-10 business days
- 01 Determine if the project is in an unincorporated area and requires a septic system.
- 02 Assign a 911 address through the 911 Coordinator (217-854-3181) if not already assigned.
- 03 Obtain a Private Sewage Construction Permit from the Macoupin County Public Health Department (217-854-3223).
- 04 Complete the Building Program Permit & PTAX-760 form.
- 05 Submit form and $100 fee to the GIS Manager/Supervisor of Assessments.
Typical processing time: 5-10 business days
Source: Macoupin County Supervisor of Assessments / GIS Department ↗
Fee schedule
Macoupin County building permit fees
Check or money order payable to Macoupin County Treasurer.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Frequently asked
Common questions about unincorporated Macoupin County permits
01 Do I need a building permit in unincorporated Macoupin County, IL? ▸
02 How much does a building permit cost in unincorporated Macoupin County, IL? ▸
03 How do I apply for a building permit in unincorporated Macoupin County, IL? ▸
04 How long does it take to get a building permit in unincorporated Macoupin County, IL? ▸
05 What work is exempt from building permits in unincorporated Macoupin County, IL? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Macoupin County Supervisor of Assessments / GIS Department before applying. Jaspector is not legal advice.