jaspector
County building permits

Unincorporated Macoupin County

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

Avg processing
5-10 business days
Min. permit fee
$100.00
Last verified
April 2026
On this page 5
§ 01

Permit authority

Macoupin County Supervisor of Assessments / GIS Department

Street address
215 S. East St., Carlinville, IL 62626
Coverage
Covers all areas outside the incorporated limits of cities and villages. Macoupin County has no county-wide zoning ordinance.
Online portal
Building Permit and PTAX Form
Manual PDF
§ 02

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.

Cosmetic work (painting, wallpapering, flooring)
Minor repairs not affecting structural integrity
Fences (in unincorporated areas only; verify setbacks)
Small sheds not requiring septic
  • 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
Required documents
  • 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.
§ 03

Application process

Typical processing: 5-10 business days

  1. 01
    Determine if the project is in an unincorporated area and requires a septic system.
  2. 02
    Assign a 911 address through the 911 Coordinator (217-854-3181) if not already assigned.
  3. 03
    Obtain a Private Sewage Construction Permit from the Macoupin County Public Health Department (217-854-3223).
  4. 04
    Complete the Building Program Permit & PTAX-760 form.
  5. 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 ↗

§ 04

Fee schedule

Macoupin County building permit fees

Fee type
Amount
01
Minimum permit fee
$100.00
02
Plan check fee
None (County does not perform plan reviews for unincorporated residential)
03
Permit fee formula
Flat fee of $100.00 for the Building Program Permit

Check or money order payable to Macoupin County Treasurer.

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Frequently asked

Common questions about unincorporated Macoupin County permits

01 Do I need a building permit in unincorporated Macoupin County, IL?
Any new construction that requires a septic system or any substantial improvement to existing structures in unincorporated areas.
02 How much does a building permit cost in unincorporated Macoupin County, IL?
Building permit fees in unincorporated Macoupin County, 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: Flat fee of $100.00 for the Building Program Permit. Plan check fee: None (County does not perform plan reviews for unincorporated residential).
03 How do I apply for a building permit in unincorporated Macoupin County, IL?
To apply for a building permit in unincorporated Macoupin County, IL, follow these steps: 1. Determine if the project is in an unincorporated area and requires a septic system. 2. Assign a 911 address through the 911 Coordinator (217-854-3181) if not already assigned. 3. Obtain a Private Sewage Construction Permit from the Macoupin County Public Health Department (217-854-3223). 4. Complete the Building Program Permit & PTAX-760 form. 5. Submit form and $100 fee to the GIS Manager/Supervisor of Assessments.
04 How long does it take to get a building permit in unincorporated Macoupin County, IL?
Building permit processing times in unincorporated Macoupin County, IL typically run 5-10 business days. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Macoupin County, IL?
Not all construction work requires a permit in unincorporated Macoupin County, IL. The following work is generally exempt: Cosmetic work (painting, wallpapering, flooring); Minor repairs not affecting structural integrity; Fences (in unincorporated areas only; verify setbacks); Small sheds not requiring septic. When in doubt, confirm with the local building department before starting work.
last verified April 2026 source Macoupin County Supervisor of Assessments / GIS Department ↗ entry id permits/illinois/macoupin/macoupin-county

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.