Gas Line Permit Requirements in Union, IL
Village of Union handles its own building permits (McHenry County only covers unincorporated areas, not incorporated villages). Building Inspector is available one hour per week, Tuesdays 3 PM to 4 PM. The village has not published its adopted residential code edition online; rules below use IRC 2021 as baseline (the most common adoption in the Chicago metro). No published fee schedule, no online application portal. Apply in person during Village Hall hours or email permits@unionillinois.org. Illinois state plumbing code (IDPH-licensed plumbers) and electrical licensing requirements apply regardless of local code adoption.
By Joey, Founder · Last verified April 18, 2026 · How we research →
When you need a Gas Line permit in Union
Connecting or replacing a gas appliance (range, dryer, water heater) on an existing gas line requires a permit in Union, IL under 2021 IRC Chapter 24. Illinois requires an IDPH-licensed plumber for fuel-gas piping. Verify with the Village Building Inspector at (815) 923-4153 (available Tuesdays 3 PM to 4 PM) before starting work.
Installing a new gas line, branch, or service requires a plumbing/mechanical permit in Union, IL under 2021 IRC Chapter 24. Illinois requires an IDPH-licensed plumber and Nicor Gas coordination for service-side work. Verify with the Village Building Inspector at (815) 923-4153 (available Tuesdays 3 PM to 4 PM) before starting work.
Gas Line Permit Costs: Union vs. Nearby
| City | Estimated Fee |
|---|---|
| Union | N/A |
| Chicago | $50 – $400 |
| Aurora | $50 – $400 |
| Joliet | $50 – $400 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Union permit costs →
Zoning Considerations
Gas line work itself does not typically trigger zoning review, but outdoor gas lines to appliances (fire pits, pool heaters, outdoor kitchens, generators) may be subject to setback rules based on the appliance being served.
Estimated Project Timeline in Union
Here's a typical timeline for a gas line project in Union, IL:
Timeline is based on Union's typical about 2 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
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Frequently Asked Questions
Contact Union's building department for current Gas Line permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Gas Line projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Union can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Gas Line permits in Union is about 1 week. More complex projects may take longer if plan review is required.
Learn More About Gas Line Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Gas Line Guide →