Restaurants and food trucks.
St. Charles County food-facility health permits run about $125–$600 annually, depending on size or sales volume. Plan review runs about $100–$350. Confirm the exact amount with St. Charles County Department of Public Health, Division of Environmental Health and Protection. Licenses food establishments locally for the calendar year (Jan 1-Dec 31); annual license fees are tiered by risk base (1-4). 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 St. Charles County Department of Public Health, Division of Environmental Health and Protection. Licenses food establishments locally for the calendar year (Jan 1-Dec 31); annual license fees are tiered by risk base (1-4). issues the health permit.
What the local foodservice landscape looks like — useful whether you’re opening here or sizing up the competition.
▲ 4.0% change in establishments since 2022 (802 → 834).
The average foodservice wage here is $86 below the Missouri average ($22,153); Missouri has about 12,481 food & drink establishments statewide.
Source: U.S. Census Bureau, County Business Patterns 2023 (NAICS 722, food services & drinking places) — establishments with paid employees. Some small-county payroll figures are withheld by Census for confidentiality.
Late fee $50/month; follow-up (re-inspection) fee $100; license re-issue $7; code book $5; variance $150. Confirmed against the Environmental Division Program Fees schedule dated 05/28/2024
Turnaround: Standard plan review; expedited option completed within 30 days for an additional $100
St. Charles County Dept of Public Health inspects under the Missouri Food Code (risk-based); no letter grade. Inspection reports posted online.
Mobile Food Program is a distinct program; late renewal $50/month, follow-up fee $100. County also regulates catering trucks, hot dog carts, ice cream trucks, and food vending machines
Fees/payment and forms are on the department site; application steps vary by concept — see the checklist below.
The government permit & plan-review fees below total roughly $370–$1,100 for St. Charles County:
That’s the paperwork only. Add buildout, equipment, deposits and licenses with the cost-to-open calculator. Fees change — confirm current amounts with the department.
Comparison uses the lowest published annual restaurant-permit figure in each county; confirm your exact tier with the department.
U.S. Census 2023 population; County Business Patterns 2022 (NAICS 722).
Plus building, fire, and business-license fees that vary locally — use the cost calculators and the checklist below to budget the full stack.
food establishments here must control fats, oils & grease (FOG) with a grease interceptor or trap, and typically register with the local sewer/wastewater authority. Grease interceptors are required by locally adopted plumbing codes and municipal FOG programs, as Missouri has no statewide plumbing code.
Size the interceptor with our grease-trap sizing calculator, compare units in the grease-trap catalog, and confirm the local FOG permit with St. Charles County Department of Public Health, Division of Environmental Health and Protection. Licenses food establishments locally for the calendar year (Jan 1-Dec 31); annual license fees are tiered by risk base (1-4). (contact above).
Hood fire suppression: commercial cooking under a Type I hood needs a wet-chemical suppression system to NFPA 96, permitted and inspected by the local fire marshal. Commercial kitchen hood suppression follows NFPA 96 and locally adopted fire codes, as Missouri has no statewide fire code. See do I need a hood? and the hood CFM calculator.
Backflow prevention: Restaurants must install a testable backflow preventer (typically an RPZ) that is tested annually and reported to the local water utility. A certified backflow assembly (often an RPZ) on the water service, tested annually, is standard — confirm with your water utility.
| Category | Annual fee | Notes |
|---|---|---|
| Temporary / seasonal event | $100 (1-3 consecutive days); $120 (4-14 consecutive days); expedited (mandatory if within 48 hrs of event) additional $20; Farmer's Market license (valid 9 months) $150 | Temporary Food Program fees, St; Charles County Environmental Division |
| Pushcart / mobile vending | $145 (Mobile initial license, pro-rated; renewal $145); Mobile plan review $150; mobile variance $150 | Mobile Food Program; covers catering trucks, hot dog carts, ice cream trucks; late renewal $50/month, follow-up fee $100 |
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.
Permit costs and rules change at the county line — compare St. Charles County with its neighbors.
This is a typical sequence — confirm the exact sequence with your authority having jurisdiction.
Official plan-check requirements: plan-check guide →