Research by DoINeedAPermit Research Team · Updated May 2026
The Short Answer
A full bathroom remodel in Urbana requires a permit if you're relocating plumbing fixtures, adding electrical circuits, installing new exhaust fans, converting tub to shower, or moving walls. Surface-only work—tile, vanity replacement in place, faucet swap—does not.
Urbana's Building Department applies the 2021 Illinois Energy Conservation Code (based on the 2021 IBC and IRC), which Champaign County has adopted. Unlike some downstate Illinois municipalities that lag one or two code cycles behind, Urbana has updated its adoption relatively recently, which means stricter GFCI/AFCI enforcement and waterproofing assembly requirements for shower work. Urbana does not have a separate online permit portal; applications are filed in person or by mail at City Hall, which can mean slower turnaround (plan review typically 2–5 weeks) compared to nearby Champaign's online system. The City of Urbana also enforces stricter lead-paint disclosure and containment rules for any pre-1978 bathroom disturbance because of its significant rental-housing inventory and university proximity. Owner-builders are permitted on owner-occupied residences, a significant cost savings (no general-contractor premium), but the homeowner becomes the responsible party for permit compliance and all inspections.

What happens if you skip the permit (and you needed one)

Urbana bathroom remodel permits — the key details

Urbana's permit requirement hinges on scope. If you're moving any plumbing fixture—toilet, sink, shower, tub—or changing drain/supply lines, you need a permit. The same applies if you're converting a tub to a shower or vice versa. New exhaust fan ducts also trigger permitting because IRC M1505.2 requires ducting to terminate outside the building envelope (not into an attic or interior soffit), and the City of Urbana conducts rough and final inspections to confirm proper termination and duct sizing. Adding electrical circuits (a new GFCI outlet, exhaust-fan wiring, heated floor) requires a separate electrical permit. Any wall relocation—even a non-load-bearing partition—requires structural review and permits. The definition of a 'full' remodel in Urbana's parlance typically means at least two of these triggers are present: plumbing relocation, electrical work, and structural change. If you're only replacing a toilet in place, swapping the vanity without moving drains, or retiling surfaces, no permit is required; that's 'cosmetic' or 'like-for-like' replacement.

Waterproofing is the second-biggest source of permit rejections in Urbana bathroom remodels. IRC R702.4.2 mandates a moisture-resistant backing and sealed membrane for tub and shower surrounds; the 2021 IRC endorses cement board with a waterproofing membrane (liquid or sheet), but the specifics—thickness, product name, installation method, curing time—must be detailed on the permit application and verified by inspection. Many homeowners (and some contractors) assume drywall + paint is sufficient; it is not. The City of Urbana's building inspectors are familiar with tile-industry standards and will reject plans that omit the membrane or use sub-code products. For a tub-to-shower conversion, you are also triggering a change in the waterproofing assembly itself, which is treated as a new installation and subject to full ICC inspection of backing, membrane, and slope. For tub replacements in the same location with the existing surround intact, no permit is needed—but if you touch the surround or regrade the floor, plan review begins.

Electrical requirements in Urbana bathrooms are stringent and often under-specified. Per NEC Article 210.12(B), all bathroom branch circuits must be protected by arc-fault circuit interrupters (AFCIs); all outlets within 6 feet of a sink must be ground-fault circuit interrupters (GFCIs). These are two different devices. Many DIYers combine them in a single GFCI/AFCI outlet, which works, but the electrical plan submitted to the Building Department must explicitly show the device type, location, and circuit amperage. The rough electrical inspection happens after framing and before drywall; the inspector checks wire sizing, junction-box placement, and outlet location against the plan. Exhaust-fan wiring is often a separate 15A or 20A circuit, again with AFCI protection per 2021 code. If you're adding a heated floor mat or towel warmer, that's a separate 20A circuit with dedicated breaker. Urbana's inspectors are strict on AFCI compliance because the 2021 code tightened the definition of 'kitchen and bedroom branch circuits' to include bathrooms and laundry rooms.

Plumbing trap and drain-line requirements are set by IRC P2703–P2706 and enforced by Urbana's plumbing inspector. When you relocate a toilet or sink, the trap arm (horizontal run from fixture to vent stack) cannot exceed 6 feet in length, and the pitch must be 1/4 inch per foot downslope toward the vent. If your bathroom layout requires a longer run, you need a secondary vent (island vent or loop vent), which adds cost and complexity. For relocated drains in Urbana homes built before 1990, the city may require a grinder pump or sump pump if the new drain location is below the main sewer line—particularly common in Victorian-era homes or basements; this can add $3,000–$8,000 to the project and extends the timeline by 2–3 weeks for the mechanical review. The rough plumbing inspection checks trap depth, vent routing, and cleanout access before concrete is poured or walls are closed. If you're converting a tub to a shower and moving the drain by more than 3 feet, you're likely triggering this vent-arm scrutiny.

Urbana's permit process is in-person or mail filing with no online portal, which contrasts sharply with nearby Champaign (which has a full online system). Expect 5–10 business days for plan intake and data entry; plan review then runs 2–5 weeks depending on inspector workload. If the plans are incomplete or non-compliant (e.g., no waterproofing detail, no electrical one-line diagram, trap arm length not dimensioned), the plan is marked 'Revise and Resubmit,' and you add another 2–3 weeks. Once approved, permits are valid for 180 days; construction can begin. Inspections are scheduled by phone and typically occur within 3–5 business days of notification. For a full bathroom remodel, expect 4–5 inspections: rough plumbing (after framing, before drywall), rough electrical (same window), drywall/moisture-barrier inspection (after drywall but before tile—this is where waterproofing membrane is verified), and final inspection (after all trim, fixtures, and ventilation are in place). Each inspection requires the homeowner or contractor to be on-site; missed inspections delay approval and can require re-opening walls.

Three Urbana bathroom remodel (full) scenarios

Scenario A
Toilet and vanity swap in place, existing tile and tub untouched — West side bungalow, 1950s ranch
You're replacing an old toilet with a new dual-flush model and a 30-inch vanity (same location, existing drain and supply lines, no relocation). The tile, tub, and all plumbing remain in place. Urbana classifies this as 'like-for-like' or cosmetic replacement and does not require a permit. No inspections, no plan, no fees. The toilet and vanity are picked up and swapped out in a single day; your water meter may show a brief dip during supply-line flush, but plumbing code does not apply to fixture-only changes. If the old vanity had a single P-trap under the sink and the new vanity also has a single P-trap under a center drain, you're golden. However, if the old vanity was a pedestal sink (wall-mounted, no cabinet) and the new vanity is a cabinet unit with a different drain location, you've triggered a permit requirement—the difference in drain location, even a few inches, is considered 'relocation' and requires rough plumbing inspection. Also: if the existing toilet or sink are positioned such that you need to re-pitch the supply lines or trap arm to fit the new fixture in place, and that work requires opening walls or cutting joists, a permit may be required. The safe rule is: if the new fixture footprint matches the old one exactly and no new holes are cut, no permit. If plumbing is rerouted or repositioned, permit required.
No permit required (like-for-like replacement) | Vanity supply-line rough-in and P-trap reuse | Toilet wax ring and bolts only | Total homeowner cost $600–$2,000 | No permit fees
Scenario B
Moving toilet 4 feet, adding heated floor mat and exhaust fan — South Urbana, two-story colonial, pre-1978 lead paint likely
You're relocating the toilet to the opposite wall (4-foot run), installing a heated floor mat on a new 20A circuit, and replacing the existing bathroom exhaust fan with a new inline duct that terminates outside the roof. This is a full-scope remodel triggering three permit categories: plumbing (fixture relocation), electrical (new circuit + AFCI), and mechanical (exhaust fan). The plumbing permit review will require a trap-arm diagram showing the 4-foot horizontal run and confirming 1/4-inch downslope pitch; the inspector will verify the vent stack connection and cleanout access. The electrical permit must show the heated floor mat circuit as a separate 20A GFCI-protected line (separate from the exhaust fan AFCI circuit) with the thermostat location; the rough electrical inspection happens after framing and confirms wire gauge, junction boxes, and outlet location. The exhaust fan rough inspection verifies duct sizing (minimum 4 inches for a bathroom ≥75 CFM) and routing; final inspection confirms exterior termination with damper and flashing. If the home is pre-1978 (highly likely in South Urbana), the City of Urbana requires lead-paint notification and containment: you must either obtain a lead inspector's clearance or, if disturbing paint, follow EPA RRP rules (HEPA vacuum, plastic sheeting, etc.). If you don't, the Building Department can issue a lead-paint violation ($500–$5,000 per day). Plan review: 3–5 weeks. Inspections: rough plumbing (week 3), rough electrical (week 3), drywall inspection if any walls are opened (week 4), final (week 6). Total permit cost: $400–$800. Contractor labor: $4,000–$7,000. Material: $2,000–$4,000. Total project: $6,000–$12,000.
Plumbing + electrical + mechanical permits required | Trap-arm run 4 feet, 1/4-in downslope verified | Heated floor mat 20A GFCI circuit, separate from exhaust fan | Exhaust fan 4-inch duct, roof termination with damper | Lead-paint inspection/RRP containment (pre-1978 homes) required | Plan review 3–5 weeks, 4–5 inspections | Permit fees $400–$800
Scenario C
Full bathroom gut: tub-to-shower conversion, double vanity, wall relocation, all new plumbing and electrical — North Urbana, 1970s split-level, owner-builder permit
You're completely gutting the bathroom: removing the tub and converting to a large walk-in shower with a bench (new waterproofing assembly), moving one wall 18 inches to expand the shower footprint (framing/structural review), replacing a single pedestal sink with a 60-inch double vanity (new drain and supply lines), and rewiring with new GFCI/AFCI circuits and exhaust fan. This is a full-scope remodel requiring plumbing, electrical, structural, and mechanical permits. As the owner-builder (owner-occupied home), you save the general-contractor markup (typically 15–25%) but become the responsible party for all code compliance. Plumbing: The shower conversion is the biggest trigger. IRC R702.4.2 mandates a moisture-resistant backing (cement board minimum 1/2 inch) and waterproofing membrane (liquid or sheet) under all tile. Urbana's inspectors require a detailed specification: e.g., 'HardieBacker 500 cement board, 1/2-inch, with RedGard waterproofing membrane, minimum 1/16-inch thickness, applied per manufacturer instructions.' No product substitutions without re-approval. The shower drain and trap must be sloped 1/4 inch per foot; if the drain is more than 6 feet from the vent stack, a secondary vent is needed (adds $500–$1,500 and 1–2 weeks to review). The double vanity has two separate drains; trap arms are typically combined into a single 2-inch line to the vent stack, subject to the same trap-arm rules. Rough plumbing inspection: week 4. Electrical: New circuits for GFCI outlets (all within 6 feet of sink), exhaust fan (separate AFCI circuit), and any heated towel bar or radiant floor. The one-line electrical diagram must show breaker amperage, wire gauge, and device location. Rough electrical inspection: week 4. Framing: The 18-inch wall relocation is non-load-bearing (confirmed by your framer), so no structural engineer sign-off is required, but the Building Department must issue a framing inspection before drywall to verify top and bottom plates, studs, and any blocking. Drywall/moisture-barrier inspection: This is critical. The inspector will verify the cement board installation, membrane application, and waterproofing assembly before tile goes on. If the membrane is incomplete or improper, drywall inspection fails and walls must be opened for correction. Final inspection: after all fixtures, tile, and trim are in place. Timeline: 6–8 weeks from permit approval to final sign-off. Plan review: 4–6 weeks (full-scope remodels get longer review due to structural + plumbing + electrical). Permit cost: $600–$1,000 (higher because valuation is higher—likely $15,000–$25,000 in finished work). Contractor labor (if hired for portions): $8,000–$15,000. Materials (tile, fixtures, membrane, lumber): $5,000–$10,000. Total project: $13,000–$25,000. Owner-builder advantage: no 15–25% contractor markup, saving $2,000–$6,000, but you must coordinate subs and pass all inspections yourself.
Plumbing + electrical + structural + mechanical permits required (full-scope) | Tub-to-shower conversion mandates cement board + waterproofing membrane (spec required) | Double vanity drain lines, trap-arm routing verified | Shower duct and exhaust fan 4-inch minimum, roof termination | Wall relocation (non-load-bearing) framing inspection required | Lead-paint containment (if pre-1978) required | Plan review 4–6 weeks, 5 inspections over 6–8 weeks | Permit fees $600–$1,000 | Owner-builder saves contractor markup (15–25%) but assumes permit responsibility

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Waterproofing and the cement-board mandate in Urbana bathroom remodels

The 2021 Illinois Energy Conservation Code (IEC), which Urbana adopted, explicitly requires IRC R702.4.2 compliance for all tub and shower surrounds: a water-resistive backing material (cement board, fiber-cement, or equivalent), sealed with a waterproofing membrane. This is not optional, and it is the single most-rejected element in Urbana bathroom remodel plan reviews. The reason is straightforward: bathroom water damage is expensive (mold remediation, structural rot, sub-floor replacement can exceed $20,000) and preventable with proper assembly. Urbana's building inspectors are trained to catch shortcuts.

Cement board (HardieBacker, DensShield, or equivalent) must be a minimum 1/2 inch thick and attached to framing with corrosion-resistant screws or nails on 12-inch centers. Drywall is not acceptable as a backing for tile or marble in wet areas. The waterproofing membrane then seals the cement board and overlaps the substrate (studs, blocking, sub-floor) by at least 6 inches. Liquid membranes (like Redgard) are most common and user-friendly; sheet membranes (like Schluter or Wedi) are costlier but offer factory-sealed seams. The inspector will verify the membrane under all tile before drywall is signed off; if it's missing, incomplete, or improperly overlapped, the entire wall may need to be reopened for correction. Typical cost for a 5x8 foot shower surround assembly: $300–$600 in materials, $400–$800 in labor.

For tub-to-shower conversions, the existing tub surround (if tile) may be reusable if the backing is cement board and the tile-to-tub junction is properly caulked and sealed. However, if the existing surround is drywall (common in older homes), you must demo and rebuild with cement board and membrane. If the conversion includes moving the drain (common because showers have different drain depth than tubs), the entire surround is treated as a new assembly and must meet current code. The same goes for sloped shower floors: if you're adding a curb-less or low-curb shower, the floor must pitch at least 1/4 inch per foot toward the drain and be waterproofed underneath the tile (again, membrane sealing the sub-floor substrate).

Urbana's in-person permit filing and the 2–5 week plan-review bottleneck

Unlike Champaign (which has a full online permit portal) or Urbana's nearby county offices (which are moving to digital systems), the City of Urbana Building Department requires in-person or mail filing for all bathroom permits. There is no online application portal, no email submission option, and no real-time status tracking. This is a significant friction point for contractors and homeowners accustomed to online systems. Applications are filed Monday–Friday 8 AM–5 PM at City Hall (1209 West Oregon Street, Urbana); mail submissions are accepted but add 3–5 days to intake time. Once filed, the application is logged, assigned a permit number, and routed to the plan-review queue. For a full bathroom remodel, plan review typically takes 2–5 weeks depending on reviewer workload (summer and September are busy).

If the plans are incomplete or non-compliant on first submission, the permit is marked 'Revise and Resubmit (RFI)' and returned to you. Common RFI issues: no waterproofing detail on shower surround, no electrical one-line diagram, trap-arm dimensions not shown, lead-paint disclosure missing, duct termination location not specified. You must resubmit the revised plans in person or by mail, and plan review restarts (another 2–5 weeks). If you're on a tight timeline, this can be painful. Approved permits are issued with a 180-day validity window; construction must commence within that period or the permit expires and you must re-apply. Inspections are scheduled by phone (City of Urbana Building Department, 217-367-2000 or via permit holder contact). Inspectors typically respond within 3–5 business days of notification. If an inspection is failed, the inspector notes the deficiency and provides a window to correct (usually 7–14 days); a re-inspection is then scheduled.

The lack of an online portal means you lose real-time transparency. You cannot log in to check plan-review status, approve/reject comments, or upload revisions directly. This is a competitive disadvantage compared to contractors operating in Champaign or other nearby municipalities. The upside: Urbana's in-person system ensures that City Hall staff directly engage with applicants and can often provide verbal guidance on borderline code questions, which can sometimes accelerate minor plan updates. The downside: slow intake and unpredictable review turnaround. Budget an extra 4–6 weeks for permitting in Urbana compared to online-portal cities.

City of Urbana Building Department
1209 West Oregon Street, Urbana, IL 61801
Phone: 217-367-2000
Monday–Friday, 8 AM–5 PM (verify for holidays and closures)

Common questions

Do I need a permit if I'm only replacing fixtures (toilet, vanity, faucet) in the same location?

No. Like-for-like fixture replacement—same drain location, same supply lines, no wall disturbance—is exempt from permitting in Urbana. This includes swapping out a toilet, faucet, or vanity as long as the new fixture footprint matches the old one. If you're moving the fixture more than a few inches or rerouting supply/drain lines, a permit is required. Also: if the home is pre-1978 and you disturb any paint, lead-paint containment rules apply regardless of permit status.

What's the difference between a GFCI and AFCI, and do I need both in my bathroom?

GFCI (ground-fault circuit interrupter) protects against shocks from water contact; all outlets within 6 feet of a bathroom sink require GFCI protection. AFCI (arc-fault circuit interrupter) protects against electrical fires from arc faults; per 2021 NEC, all bathroom branch circuits require AFCI protection. Many modern dual GFCI/AFCI outlets combine both and satisfy code. Your electrical plan must specify the device type and location; the rough electrical inspector will verify compliance before drywall.

If I'm converting a tub to a shower, do I need to replace the entire surround?

Not necessarily, but likely. If the existing surround is cement board with a sealed waterproofing membrane, you can potentially reuse the backing and top it with new tile (if the condition is sound). However, if the surround is drywall (common in older homes) or if you're moving the drain, you must demolish and rebuild with cement board and a new waterproofing membrane per IRC R702.4.2. The Building Department's drywall/moisture-barrier inspection will verify this before tile is applied. If you skip this step, the inspection will fail and the wall will need to be reopened for correction.

How long does the City of Urbana take to review a bathroom remodel permit?

Plan review typically takes 2–5 weeks from submission date. If plans are incomplete or non-compliant on first review, they are marked 'Revise and Resubmit' and the review period starts over (another 2–5 weeks). Urbana has no online portal, so all submissions are in-person or by mail, which adds 3–5 days to intake time. Budget 4–6 weeks total for permitting (intake + initial review + potential revisions + approval).

I have a pre-1978 home in Urbana. Does that affect my bathroom remodel permit?

Yes. Urbana enforces EPA lead-paint rules for any pre-1978 property. If your bathroom remodel disturbs any paint (drywall cutting, fixture removal, etc.), you must either hire a certified lead inspector for clearance or follow EPA RRP (Renovation, Repair, and Painting) rules: HEPA-filter vacuum, plastic containment, and certified disposal. Failure to comply can result in lead-paint violation fines of $500–$5,000 per day. The Building Department will note pre-1978 status on the permit and may require proof of RRP compliance before final inspection.

What happens if I hire a contractor without a license or permit for my bathroom remodel?

If the work is unpermitted and the Building Department discovers it (often through neighbor complaints or during a future sale inspection), Urbana will issue a stop-work order and fine you up to $750 per violation per day until the work is either removed or brought into compliance via permit and inspection. Additionally, if an insurance claim arises (water damage, electrical fire), the insurer may deny coverage for unpermitted work, leaving you liable for repair costs ($15,000–$50,000+). At resale, you must disclose unpermitted work on the Illinois Residential Real Property Disclosure Act form; failure to disclose is fraud and can result in lawsuit and voided sale.

Can I pull my own permit as an owner-builder in Urbana?

Yes. Urbana allows owner-builders on owner-occupied residences. You become the responsible party for permit compliance, inspections, and code adherence. This saves the general-contractor markup (typically 15–25%) but requires you to coordinate subs (plumber, electrician, framer) and be on-site for all inspections. The permit process is the same: in-person filing, 2–5 week plan review, and 4–5 inspections over the project duration. Many owner-builders hire a general contractor for coordination but pull the permit themselves to save costs.

How much does a bathroom remodel permit cost in Urbana?

Permit fees in Urbana are based on project valuation. A cosmetic bathroom (tile, paint, vanity in place) is typically $150–$300. A partial remodel (one or two scope items like a new exhaust fan and GFCI outlets) runs $300–$600. A full remodel (plumbing relocation, electrical circuits, structural changes) costs $600–$1,000. Fees are in addition to contractor labor (typically $4,000–$15,000 depending on scope) and materials ($2,000–$10,000). Confirm the exact fee schedule with the City of Urbana Building Department; fees are based on construction valuation and may vary annually.

What inspections do I need for a full bathroom remodel in Urbana?

Expect 4–5 inspections: (1) Rough plumbing—after framing, before drywall, verifies trap arms, vent routing, and cleanout access. (2) Rough electrical—after framing, before drywall, verifies wire sizing, outlet location, and GFCI/AFCI placement. (3) Drywall/moisture-barrier—after drywall is hung but before tile, verifies cement-board installation and waterproofing membrane. (4) Final—after all fixtures, tile, trim, and exhaust-fan ducting are complete. (5) Optional: framing inspection if walls are relocated or structural changes are made. Each inspection must be scheduled by phone and requires on-site access; missed inspections delay the project and may require re-opening walls.

If I'm moving a toilet, do I need a secondary vent or can I just re-use the existing vent stack?

It depends on the distance. If the relocated toilet's trap arm is within 6 feet of the existing vent stack, you can typically tie into the existing vent. If the trap arm exceeds 6 feet (measured horizontally from the trap weir to the vent), IRC P2704 requires a secondary vent (island vent, loop vent, or re-vent stack), which adds complexity and cost ($500–$1,500) and extends plan review by 1–2 weeks. The plumbing plan must dimensionally show the trap-arm length; the Building Department will verify this during plan review. If you're unsure, provide scaled floor plans with fixture locations and dimensions so the plumbing reviewer can confirm vent routing.

Disclaimer: This guide is based on research conducted in May 2026 using publicly available sources. Always verify current bathroom remodel (full) permit requirements with the City of Urbana Building Department before starting your project.