Skip to main content

Jackson County, Illinois Building Permit Guide

No county building department appears on Jackson County’s website: its Highway Department handles floodplain permits and its Health Department septic and well permits. Carbondale and Murphysboro run their own building offices.

County building department: None on the county websiteFloodplain permits: Highway DepartmentLargest city: Carbondale
Highway Department
618-684-4141Floodplain permits
Environmental health
618-684-3143Septic and wells
Carbondale
618-457-3237Building & Neighborhood Services
Murphysboro
618-684-4961Code Enforcement Division

No county building, zoning or planning department appears on the Jackson County website; the county roles found there are floodplain permits through the Highway Department and septic and well permits through the Health Department. By the Census Bureau’s 2025 estimates the largest municipalities are Carbondale city (Jackson County part, 21811), Murphysboro city (6977), De Soto village (1388) and Elkville village (831).

This guide covers the county’s floodplain, septic and well permits and the building offices of Carbondale and Murphysboro. No official websites were found for De Soto or Elkville, so contact the villages directly.

What requires a permit in Jackson County?

Jackson County’s floodplain rules sit with the Highway Department, which posts the county Flood Damage Prevention Ordinance and the floodplain permit application. The Health Department runs the private sewage disposal program under a county private sewage ordinance and issues well permits.

Short on time to read all of this?

Get a free quote →

Illinois leaves building codes to local government, but since 1 January 2025 any local code must regulate structural design at least as strictly as baseline editions of the International Building, Existing Building and Residential Codes, and where no code was adopted the statute sets minimums for commercial buildings and new homes (Public Act 103-0510). Illinois codes and the statewide baseline

Who handles permitting in Jackson County?

County and city permit offices
OfficeHandlesContact
Jackson County Highway DepartmentFloodplain permits; 1200 Enterprise Avenue, Murphysboro; Monday through Friday 7:30 am to 4 pm618-684-4141
Jackson County Health DepartmentPrivate sewage disposal and well permits618-684-3143
Carbondale Building & Neighborhood ServicesBuilding permits; 200 S Illinois Avenue, Carbondale, IL 62901618-457-3237
Murphysboro Code Enforcement Division (Public Works)Building construction compliance; city offices at 1101 Walnut Street, Monday to Friday 8:00 am to 4:00 pm618-684-4961

Not sure this scope needs a permit?

Get a free quote →

The Highway Department maintains 152 miles of county highways and 52 bridges.

Building permits in Carbondale and Murphysboro

Carbondale

Building & Neighborhood Services issues building permits. The city enforces the 2018 International Building and Residential Code, the latest National Electrical Code and the 2014 Illinois Plumbing Code.

Murphysboro

Building construction compliance falls to the Code Enforcement Division of the Public Works Department.

Jackson County permit costs and fees

  • Carbondale: building permit fees are two-tenths of one percent (0.2%) of the estimated cost of work, with a minimum of $5.
  • Murphysboro: the city’s enterprise zone incentives include waived building permit fees.

Rather talk it over?

Call 1-855-478-4290 →

How to get a permit in Jackson County

1. Floodplain check

Use the floodplain permit application from the county Highway Department.

2. Septic and well

Apply to the Health Department’s environmental health office, 618-684-3143.

3. Carbondale

Apply to Building & Neighborhood Services; the fee is 0.2% of the estimated cost.

4. Murphysboro

Contact the Code Enforcement Division at the city offices; ask about the enterprise zone fee waiver.

A building permit carries a validity period set by the local building office; confirm the expiry on phased or delayed work before it passes. Permit validity in Illinois

Official Jackson County permitting resources

These are the primary sources behind this guide. Codes, fee schedules and procedures change — confirm the position for your filing date.

Rather not deal with the Jackson County building department?

Get a free quote →

Frequently asked questions

Who handles floodplain permits in Jackson County?

The county Highway Department, which posts the Flood Damage Prevention Ordinance and the permit application.

Want this handled start to finish?

Get a free quote →

What does a Carbondale building permit cost?

0.2% of the estimated cost of work, with a minimum of $5.

Which codes does Carbondale enforce?

The 2018 International Building and Residential Code, the latest National Electrical Code and the 2014 Illinois Plumbing Code.

Simplify Jackson County permitting with Alliance Permitting

250K+Permits approved
All 50States covered
21+ YearsJurisdictional depth
Done-for-youWe file, you build
  • Confirm whether the county or a city or village has the parcel, and which office to file with
  • Line up the health, highway and floodplain approvals that come before the building permit
  • File with the right office and keep inspections on schedule

Inspections are where schedules slip.

Get a free quote →

Alliance Permitting is a permit documentation and submission company in Illinois. We prepare your paperwork, file it correctly and coordinate with the permitting authority through issuance. We are not a contractor and we do not perform licensed plan review or inspections; that work stays with your licensed team and the jurisdiction.

Ready to break ground in Jackson County sooner?

Let Alliance prepare, file, and track your Jackson County permits while your crew stays on the job.

This guide is provided by Alliance Permitting for general information about Jackson County permitting. Requirements, fees, and procedures change; confirm details with the permitting authority before relying on them.