Local permits & fees

Williamson County, IL Food Facility Permits

Restaurants and food trucks.

Williamson County Health Department (Marion, IL) · department site →

Fees change often — always confirm the current amount with the department before you budget.

Confirm the authority for your exact address. Some cities run their own health division, and building, planning, fire, sewer/grease and business-license approvals are separate even when Williamson County Health Department (Marion, IL) issues the health permit.

About 136 food & drinking establishments operate here, serving a population of about 66,706. (U.S. Census 2023 estimate; County Business Patterns 2022, NAICS 722)

Last verified: 2026-08-18 — we re-confirmed the serving authority, its contact, and that the fees below match the current published schedule. Fee schedules may carry an earlier effective date (shown per fee); local ordinances & amendments aren’t individually reviewed, so confirm current rules with the authority having jurisdiction.See something out of date? Report an update →

Restaurant / food-facility permit

Retail Food & Beverage Permit

Fee not published online — contact the department.

Williamson County (IL) Retail Food & Beverage Order updated/approved by the county Board of Health Aug 13, 2025; permits applied for online via the MGO permit portal; Public fee schedule with dollar amounts not located; NOTE: wcchd.org is Williamson County & Cities Health District in TEXAS, a different jurisdiction, and was excluded

Plan review — required

Fee not published online.

Reach the department

Phone(618) 993-8111

Office8160 Express Drive, Marion, IL 62959

Websitewww.williamsoncountyil.gov →

Inspection grading

How inspection results are scored/posted here is pending verification — ask the department.

Food truck / mobile permit

Mobile Food Establishment

Fee not published online — contact the department.

Mobile food establishment permit available via MGO online portal; fee not published

How to apply

See the department site above.

Fees/payment and forms are on the department site; application steps vary by concept — see the checklist below.

Local food-service market

About 136 food & drinking establishments serve ~66,706 residents in Williamson County — one per ~490 residents, sparser than the Illinois average (one per ~483).

U.S. Census 2023 population; County Business Patterns 2022 (NAICS 722).

Equipment your Williamson County plan review will check

Health-department plan review looks for specific, code-compliant fixtures. Compare spec-filtered options, then confirm counts and sizes with your local requirements. See the full list in what equipment a commercial kitchen requires.

Compartment sinks

3-bay wash / rinse / sanitize — sized to your menu

Hand sinks

required in prep, cook & warewashing areas

Grease traps / interceptors

sized by drainage fixture units

Reach-in refrigeration

cold-holding at 41°F or below

Work tables & surfaces

NSF-listed, non-absorbent

Hoods & ventilation

over cooking equipment; make-up air

Dishwashers

high-temp or chemical sanitizing

Nearby counties

Permit costs and rules change at the county line — compare Williamson County with its neighbors.

Franklin County, IL

Restaurant permit: See page

Jackson County, IL

Restaurant permit: $145

Johnson County, IL

Restaurant permit: $125

Pope County, IL

Restaurant permit: $125

Saline County, IL

Restaurant permit: See page

Union County, IL

Restaurant permit: $125

How to open: typical permitting sequence

This is a typical sequence — confirm the exact sequence with your authority having jurisdiction.

Confirm whether Williamson County or another local jurisdiction (city/district) handles your exact address.
Confirm zoning and permitted use.
Prepare your menu and scaled plans.
Include an equipment schedule with ANSI/NSF spec sheets.
Submit water-heater and hood documentation.
Pay plan-review fees.
Respond to plan-check corrections.
Obtain Environmental Health plan approval.
Obtain building, plumbing, mechanical and fire approvals.
Schedule rough-plumbing, pre-final and final health inspections.
Pay the operating-permit / application fees.
Receive approval before storing or preparing food.

Frequently asked questions

Is plan review required in Williamson County?

Yes — plan review is required before you build or remodel a food facility.

Do I need a commissary for a food truck in Williamson County?

In most cases, yes — most mobile units must operate from an approved commissary; confirm exemptions with the department. Mobile food establishment permit available via MGO online portal; fee not published

Who issues food permits in Williamson County?

Food permits here are issued by Williamson County Health Department (Marion, IL). See the department site for current details.

Are city building and fire approvals separate?

Yes — building, plumbing, mechanical and fire approvals are always separate from the health permit and are often handled by different offices.

Illinois statewide rules

Who licenses you, reciprocity, and the state regime.

What equipment you need

Build a tailored equipment checklist for your concept.

Permits & plan review, explained

The stack of approvals before you open.

Sources: www.williamsoncountyil.gov · observed 2026-08-21