Bathroom Remodel 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 don’t need a Bathroom permit in Union
Cosmetic bathroom updates (paint, vanity swap with no plumbing reroute, mirror, fixtures) do not require a building permit in Union, IL under 2021 IRC R105.2. Verify with the Village Building Inspector at (815) 923-4153 (available Tuesdays 3 PM to 4 PM) before starting work.
When you need a Bathroom permit in Union
A bathroom remodel that moves plumbing fixtures or modifies wiring requires a building permit in Union, IL with plumbing and electrical sub-permits under 2021 IRC. Verify with the Village Building Inspector at (815) 923-4153 (available Tuesdays 3 PM to 4 PM) before starting work.
Adding a brand new bathroom in a previously unfinished space requires a building permit in Union, IL with plumbing and electrical sub-permits and ventilation per 2021 IRC R303.3. Verify with the Village Building Inspector at (815) 923-4153 (available Tuesdays 3 PM to 4 PM) before starting work.
What Makes Union Different
Here's how Union's bathroom remodel rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
A bathroom remodel that moves plumbing fixtures or modifies wiring requires a building permit in Union, IL with plumbing and electrical sub-permits under 2021 IRC. Verify with the Village Building Inspector at (815) 923-4153 (available Tuesdays 3 PM to 4 PM) before starting work.
Adding a brand new bathroom in a previously unfinished space requires a building permit in Union, IL with plumbing and electrical sub-permits and ventilation per 2021 IRC R303.3. Verify with the Village Building Inspector at (815) 923-4153 (available Tuesdays 3 PM to 4 PM) before starting work.
1 rule match the IRC baseline, no surprises there.
Bathroom Remodel Permit Costs: Union vs. Nearby
| City | Estimated Fee |
|---|---|
| Union | N/A |
| Chicago | $165 – $1,100 |
| Aurora | $128 – $850 |
| Joliet | $120 – $800 |
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 →
Estimated Project Timeline in Union
Here's a typical timeline for a bathroom remodel 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 Bathroom Remodel permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Bathroom Remodel 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 Bathroom Remodel permits in Union is about 2 weeks. More complex projects may take longer if plan review is required.
Learn More About Bathroom Remodel Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Bathroom Remodel Guide →