Research by DoINeedAPermit Research Team · Updated May 2026
The Short Answer
A full bathroom remodel in Ithaca requires a permit if you're relocating fixtures, adding circuits, installing new ventilation, converting tub to shower, or moving walls. Surface-only work—tile, vanity swap in place, or faucet replacement—is exempt.
Ithaca's Building Department enforces New York State Building Code (adopted every three years, currently the 2020 edition), which means your project triggers permit review the moment plumbing fixtures move, electrical load changes, or waterproofing assemblies are disturbed. Unlike some neighboring municipalities that rubber-stamp small bathroom jobs, Ithaca requires detailed plan review for any work that touches drainage, ventilation ducting, or structural framing—a reflection of the city's historic housing stock (many pre-1950 properties with outdated plumbing runs) and strict enforcement on lead-safe work practices for homes built before 1978. The city's online permit portal (managed through the City of Ithaca website) accepts digital submissions, but plan review is still sequential and typically takes 2–4 weeks; expedited review is not available for interior remodels. Ithaca also sits in zone 5A/6A, which means moisture control in bathrooms is taken seriously—your waterproofing assembly (cement board + liquid membrane, or equivalent) must be specified in writing and inspected before drywall closes.

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

Ithaca bathroom remodel permits — the key details

New York State Building Code (2020 edition, adopted by Ithaca) requires a permit for any bathroom remodel that involves fixture relocation, new electrical circuits, exhaust fan installation or duct modification, wall movement, or tub-to-shower (or shower-to-tub) conversion. The reasoning is straightforward: plumbing fixture relocation triggers drain-line redesign and trap-arm compliance (IRC P2706 limits trap arm to 24 inches—a violation that causes slow drains and sewer-gas backups); new exhaust fans must be ducted to the outdoors with proper termination (IRC M1505), not into the attic (a common DIY mistake that rots roof decking); and tub-to-shower conversion requires full waterproofing assembly replacement, not just tile over old drywall. Ithaca's Building Department also requires GFCI protection on all branch circuits serving bathroom receptacles (within 6 feet of a sink), AFCI protection on 20-amp circuits (IRC E3902), and pressure-balanced or thermostatic mixing valves on all tub/shower combinations to prevent scalding—all items that must appear on an electrical and plumbing plan before the permit is issued. If your project is purely cosmetic—replacing a vanity cabinet in the same footprint, retiling existing walls, swapping out a faucet or toilet without moving the supply or drain lines—no permit is required.

Ithaca's online submission process (via the City's permit portal) allows you to upload digital plans, but the city's plan-review team (typically one or two reviewers) processes permits sequentially, not in parallel. Expect a 10-day initial review, then one round of corrections (called 'requests for information' or RFI) if your plans are incomplete, then final approval. This cycle typically takes 2–4 weeks total. The city does not offer same-day or counter permits for interior remodels; commercial projects and simple alterations get faster turnaround, but residential bathrooms do not. Your submitted plans should include: a dimensioned floor plan showing all existing and new fixture locations, a plumbing schematic showing vent stack location and trap-arm lengths, an electrical floor plan showing GFCI and AFCI circuits, and for tub-to-shower conversions, a waterproofing assembly detail (specify cement board + liquid membrane, schluter systems, or equivalent—generic 'waterproof drywall' is not acceptable in Ithaca). If walls are being moved or structural framing modified, you must also include a framing plan with joist/beam sizing calculated and signed by an engineer or architect.

Ithaca sits in climate zone 5A/6A with frost depth of 42–48 inches, which does not directly affect interior bathrooms but is relevant if your remodel includes any exterior work (e.g., rerouting exhaust ductwork to a new exterior wall penetration). The city enforces strict lead-safe work practices (EPA RRP Rule) for any bathroom in a home built before 1978; this means dust containment, HEPA vacuuming, and waste disposal following EPA standards. If your bathroom was built pre-1978 and you're doing renovation (not just repair), you must hire a lead-certified contractor and provide proof of certification before your permit is issued. This adds 2–3 weeks to the timeline and contractor costs typically increase by 15–20%. Ithaca's Building Department will ask for proof of lead-safe training on your initial submission if your home is pre-1978; failure to provide it does not void the permit, but the inspector will require it before signing off on rough-in stages.

Permit fees in Ithaca are calculated on estimated project valuation (typical bathroom remodel is valued at $8,000–$25,000 depending on scope and finishes). The fee schedule is approximately 1.5–2% of valuation for interior remodels, meaning a $15,000 bathroom project costs $225–$300 in permit fees. This does not include plan-review fees (typically $50–$100 extra if your first submission is incomplete) or inspection fees (included in the permit cost, but expedited inspections are not offered). Payment is due when the permit is issued; the city accepts checks, cards, and online payment via the portal. Once issued, your permit is valid for 12 months; if work is not substantially progressed within 6 months, the city may require a re-inspection to confirm the permit is still active.

Inspections for a bathroom remodel follow a sequence: rough plumbing (before walls are closed), rough electrical (before drywall), and final (after all finishes are in place). If you're moving walls, a framing inspection is inserted before rough mechanical. The inspector will verify trap-arm length, vent-stack routing, GFCI breaker installation, and waterproofing assembly before drywall closes. For tub-to-shower conversions, the inspector will photograph the waterproofing membrane installed on the shower walls before tile is applied. If your work includes a new exhaust fan, the inspector will verify the duct is routed to the exterior (not the attic), the damper is present, and the termination is sealed and louvered. The final inspection includes a moisture probe test of the shower walls and verification that all GFCI outlets are functioning. Plan for 5–7 business days between calling for inspection and the inspector's arrival; the city does not offer same-day inspections for residential work.

Three Ithaca bathroom remodel (full) scenarios

Scenario A
Vanity and toilet swap in place, new tile and paint—College Hill colonial, existing fixtures stay at same location
You're replacing the vanity cabinet and toilet in an upstairs bathroom of a 1920s College Hill home, retiling the shower surround, and repainting. The vanity is pulled out and a new one is set in the same footprint; the toilet is removed and a new one is bolted to the same flange; the shower walls are gutted to drywall and re-tiled. Because the fixtures are not relocating and no new plumbing or electrical circuits are being added, this work is exempt from the permit requirement. However, if the home was built pre-1978 (which it was), you must still follow EPA lead-safe practices when demolishing the old finishes: containment, HEPA vacuuming, and documented waste disposal. The lead-safe rules apply to renovation, not permit pulls, so you don't need a permit, but you need a lead contractor. The tile and paint work itself is not regulated. Cost: vanity ($400–$800), toilet ($200–$400), tile and grout ($800–$1,500 labor + materials), paint ($300–$500 labor), lead-safe containment and waste disposal ($400–$600). Total project cost $2,500–$4,000; no permit fees.
No permit required (fixtures in place) | EPA lead-safe work required (pre-1978 home) | Lead-safe contractor certification mandatory | Total project $2,500–$4,000 | Inspection: none needed | Lead containment add-on $400–$600
Scenario B
Full gut remodel with tub-to-shower conversion, fixture relocation, new exhaust fan, and wall shift—1970s ranch on West Shore Drive
You're completely gutting a master bath in a 1970s ranch (post-lead-paint cutoff, so no RRP Rule applies), moving the vanity 3 feet to the left, replacing the soaking tub with a walk-in shower, installing a new exhaust fan with ductwork to the roof, and removing a half-wall to open the space to an adjacent bedroom. This project requires a full permit and detailed plans. The plumbing plan must show: existing toilet location unchanged, vanity drain relocation with trap-arm length verified (24-inch max), new shower drain with trap and vent routing, and verification that the waste and vent stack can accommodate the new fixture load. The electrical plan must show: GFCI protection on receptacles within 6 feet of the vanity and shower, a dedicated 20-amp circuit for the exhaust fan (AFCI protection on the 20-amp circuit), and any new lighting circuits. The waterproofing assembly detail must specify cement board + liquid waterproofing membrane on the shower walls and a Schluter-style perimeter strip (not just caulk). The framing plan must show the half-wall removal, verify that no load-bearing studs are affected, and include beam sizing if any structural support is replaced. Submission timeline: 2 weeks to prepare plans, 3–4 weeks for plan review, then rough plumbing inspection, rough electrical inspection, framing inspection (if needed), drywall rough inspection (optional), and final inspection. Total permit and inspection timeline: 8–12 weeks. Permit fee: $250–$400 (on $20,000 valuation). Plan-review fee if corrections required: $75–$100. Lead-safe practices do not apply (post-1978). Inspector will photograph the waterproofing assembly before drywall and tile, and will verify exhaust duct termination at the roof with proper damper and louvered trim.
Permit required (fixture relocation, new exhaust fan, wall removal) | Detailed plumbing, electrical, and framing plans required | Waterproofing assembly detail mandatory (cement board + liquid membrane) | Permit fee $250–$400 | Plan-review fee $75–$100 | Total timeline 8–12 weeks | 5 inspections (rough plumbing, rough electrical, framing, drywall rough, final) | Exhaust duct to roof with damper/louver required
Scenario C
Second-floor half-bath conversion to full bath, new shower assembly and drain line, existing water supply moved 4 feet—1940s two-story on Buffalo Street
You're converting an underutilized half-bath (pedestal sink only) to a full bath by adding a toilet and shower in a 1940s two-story on Buffalo Street (pre-1978, so lead-safe practices apply). The toilet drain is a new line tied into the existing stack in the wall; the shower drain is another new line also tying into that same stack. The water supply lines to the sink are being extended 4 feet to serve the shower valve. This project triggers a permit because you're adding new plumbing fixtures (toilet and shower) and modifying supply/drain lines. Ithaca's Building Department will require: a plumbing plan showing the existing and new drain stack routing (verifying that the stack is not overloaded per IRC P3101 fixture-unit limits), trap-arm lengths for both new drains, the vent route for the new fixtures, and confirmation that the water supply pressure is adequate (typically 40–60 PSI). You'll also need an electrical plan showing GFCI on the receptacle, and if you're adding an exhaust fan (which is recommended for a new full bath), the fan circuit and ductwork. The waterproofing assembly detail is critical here because a new shower assembly must be specified in detail—cement board + liquid membrane is the baseline, and Ithaca inspectors expect to see a labeled detail. Your submission must include a dimensioned floor plan, plumbing and electrical schematics, and the waterproofing detail. Timeline: 2–3 weeks to prepare plans (you may need a plumber to confirm stack capacity and run calculations), 3–4 weeks for plan review, then rough plumbing inspection, rough electrical inspection, and final. Lead-safe work applies (pre-1978), so demolition of existing finishes requires containment and HEPA vacuuming ($300–$500). Total permit timeline: 7–10 weeks. Permit fee: $250–$350. Inspector will verify trap-arm lengths, vent routing, shower waterproofing membrane, and GFCI function. The stack capacity is a common RFI (Request for Information) item in Ithaca—if your plans don't show fixture-unit loading, expect a correction cycle.
Permit required (new plumbing fixtures, drain relocation, supply relocation) | Lead-safe work required (pre-1978 home) | Plumbing stack capacity calculation required (fixture-unit loading) | Waterproofing assembly detail mandatory | Permit fee $250–$350 | Lead-safe containment $300–$500 | Total timeline 7–10 weeks | Rough plumbing, rough electrical, final inspections | RFI likely on stack capacity

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Waterproofing assembly requirements: why Ithaca inspectors scrutinize shower details

New York State Building Code (adopted by Ithaca) mandates IRC R702.4.2 waterproofing for all shower/tub surrounds: a continuous waterproof membrane underneath the finished surface. In practice, this means cement board (not drywall) as the substrate, plus a liquid-applied or sheet membrane, plus proper edge termination (typically a perimeter strip like Schluter or similar). Ithaca's Building Department has seen too many callbacks from moisture failures (rotting studs, mold behind tile) in older homes; the inspector will not sign off on a drywall-and-caulk approach, even if some contractors still pitch it. Your permit submission must include a detailed section drawing of the shower assembly, labeled with each layer: framing, membrane substrate (cement board), waterproofing membrane (brand and product), and finished surface (tile or panel). If you're using a prefab shower system (all-in-one acrylic or fiberglass), you still need a label or product data sheet in your submission showing that the manufacturer's waterproofing is integrated and approved for your application.

The reason for this specificity is cost of remediation. A failed shower waterproofing system can require complete wall tear-out and reconstruction; in a 1920s–1950s home (much of Ithaca's housing stock), water intrusion also triggers mold remediation and structural repair ($5,000–$15,000 total). Ithaca's inspectors are trained to catch underspecified assemblies before drywall closes, not after the homeowner has finished tile and paint. When you call for the rough inspection (after framing, after waterproofing membrane is installed but before drywall/tile), the inspector will photograph the membrane and verify it extends from the threshold up to at least 72 inches, with all seams and penetrations sealed. Do not proceed to drywall or tile until the inspector signs off on this rough stage.

Common rejections on Ithaca bathroom submittals include: 'waterproof drywall acceptable here' (incorrect—cement board is required), 'standard caulking at corner seams' (incorrect—sealed membrane overlaps required), and 'tub surround—no waterproofing shown' (incorrect—code applies to all water-exposed areas). If your plans don't include a waterproofing detail section, expect a request for more information within the first 10 days of review. Adding the detail to a resubmission takes 3–5 days and delays your permit by 1–2 weeks. Spend the time on the front end: get a detail from your tile contractor or plumber, label it clearly with materials, and include it in your original submission.

Lead-safe work in pre-1978 Ithaca homes: EPA RRP Rule and contractor certification

If your bathroom is in a home built before 1978, the EPA Renovation, Repair, and Painting (RRP) Rule applies to your bathroom remodel—even if you're not planning to disturb paint. Any renovation that disturbs more than 6 square feet of paint-covered surfaces (walls, trim, cabinets, windows) triggers the rule. In a full bathroom remodel, you're guaranteed to exceed this threshold when you demo the walls, vanity, and fixtures. The rule requires: a certified lead-safe renovator on site during all work, dust containment (plastic sheeting over doorways and HVAC vents), HEPA vacuuming of dust daily, and documented disposal of waste in EPA-approved containers (not regular trash). Ithaca's Building Department does not issue a separate lead permit, but the inspector will ask for proof of contractor certification before the permit is issued or at the first inspection. If you hire an unlicensed contractor (or attempt DIY), you are personally liable for EPA penalties (up to $16,000 per day of violation) and creation of lead hazard that can trigger health complaints and city enforcement.

Ithaca has a high proportion of pre-1978 housing (College Hill, Buffalo Street, the waterfront neighborhoods are mostly 1900–1950s), so the city's inspectors are familiar with RRP and diligent about verifying compliance. When you apply for the permit, note on your submission that the home is pre-1978 and that lead-safe work will be performed. You must provide the contractor's EPA lead-renovator certification number before work begins. Many contractor firms carry this certification; if yours does not, you'll need to hire a specialized lead contractor or delay your project while your primary contractor gets certified (typically a one-day course, $300–$500). The added cost of lead-safe work is 15–20% of the renovation budget (containment, HEPA vacuuming, waste disposal add roughly $400–$800 to a $15,000 bathroom remodel). Do not attempt DIY lead remediation; the cost savings are not worth the liability.

If your home is 1978 or later, RRP does not apply, but if you discover lead paint during demolition (peeling, chalky, or when you've sanded surfaces), you must stop work immediately and contact an EPA-certified lead assessor. Ithaca's Building Department has a short list of certified assessors available upon request. Do not let workers proceed with uncontained demo if lead is suspected; this is a health hazard and a violation of federal law.

City of Ithaca Building Department
City Hall, 108 East Green Street, Ithaca, NY 14850
Phone: (607) 274-6577 | https://www.ithacany.gov/building-permits
Monday–Friday, 8:00 AM–5:00 PM (closed holidays)

Common questions

Do I need a permit to replace a toilet or faucet in my Ithaca bathroom?

No. Replacing a toilet, faucet, or showerhead in the same location without altering supply or drain lines is exempt from permit. However, if you're removing and reinstalling a toilet on a new flange (e.g., after moving the drain), or if you're installing a mixing valve with new supply piping, a permit is required. When in doubt, contact the City of Ithaca Building Department at (607) 274-6577.

How long does plan review take for a bathroom remodel in Ithaca?

Initial review typically takes 10 days; if your plans are incomplete or require clarification, the city issues a Request for Information (RFI). Responding to an RFI and resubmitting takes 5–7 days, and another 5–10 days of review follows. Total timeline is usually 2–4 weeks from submission to permit issuance. Expedited review is not available for residential bathroom remodels.

What's the permit fee for a full bathroom remodel in Ithaca?

Permit fees are approximately 1.5–2% of estimated project valuation. A typical full bathroom remodel valued at $15,000–$20,000 costs $225–$400 in permit fees. If your initial plan submission is incomplete and requires corrections, plan-review fees ($50–$100) may apply. Payment is due when the permit is issued.

Do I need a licensed plumber and electrician to do a bathroom remodel in Ithaca?

New York State allows owner-builders (owner-occupants) to perform work on their own properties, but plumbing and electrical work must be inspected by the city. If you do the work yourself, you remain responsible for code compliance and inspection. Many homeowners hire licensed plumbers and electricians to ensure the work meets code and passes inspection. Check with the City of Ithaca Building Department for a list of licensed contractors.

Can I convert a tub to a shower without a permit in Ithaca?

No. Tub-to-shower conversions require a permit because the waterproofing assembly changes, new drain piping may be required, and the fixture type and location are modified. You must submit a plan showing the new shower layout, drain location, waterproofing details (cement board + liquid membrane or equivalent), and ventilation. Expect 2–4 weeks for plan review and multiple inspections before the job is signed off.

Is a new exhaust fan required when I remodel my bathroom in Ithaca?

New York State Building Code requires continuous exhaust ventilation (or operable windows) in all bathrooms. If you're doing a full remodel, the inspector will expect you to verify that exhaust ventilation exists and is code-compliant (ductwork to the exterior, not the attic, with proper damper and termination). If you're adding a new exhaust fan, it requires a permit and ductwork must be shown on your electrical plan.

What inspections are required for a bathroom remodel in Ithaca?

A full bathroom remodel typically requires: rough plumbing (before walls close), rough electrical (before drywall), and final inspection (after all finishes). If you're moving walls or modifying structure, a framing inspection is inserted before rough mechanical. Plan for 5–7 business days between calling for each inspection and the inspector's arrival. Call the Building Department at (607) 274-6577 to schedule.

My home was built in 1975. Do I need to hire a lead-safe contractor?

Yes. The EPA RRP Rule applies to any renovation (including bathroom remodels) in homes built before 1978. You must hire a contractor with EPA lead-renovator certification, follow dust-containment and HEPA-vacuuming protocols, and document waste disposal. The contractor's certification number must be provided to the Building Department before work begins. Lead-safe work adds 15–20% to project costs and ensures your family's safety.

Can I pull a permit and start work immediately, or do I have to wait?

Once the permit is issued and you receive the signed document from the Building Department, you may begin work. However, certain work (plumbing, electrical, wall framing) must not proceed past rough-in stages without inspection. Call the Building Department before you start rough work to confirm the permit is active and to schedule the first inspection.

What happens if I do a bathroom remodel without a permit in Ithaca?

If the city discovers unpermitted work (through complaint, inspection, or appraisal), you may receive a stop-work order and face fines of $250–$500 per day until the work is brought into compliance. You'll be required to pull a retroactive permit and pass all required inspections. Banks and appraisers may flag unpermitted plumbing/electrical as title defects, blocking refinance or sale. Always pull the permit before starting work.

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 Ithaca Building Department before starting your project.