Research by DoINeedAPermit Research Team · Updated May 2026
The Short Answer
A full bathroom remodel needs a permit in Ennis if you relocate plumbing fixtures, add electrical circuits, install a new exhaust fan, or convert a tub to a shower. Surface-only work (tile, vanity replacement in place, faucet swap) is exempt.
Ennis applies the 2015 International Building Code with Texas amendments, and the city's online permit portal (managed through the City of Ennis Building Department) requires plan submission for any work that touches plumbing rough-in, electrical circuits, or waterproofing assemblies. Unlike some neighboring North Texas cities that fast-track cosmetic bathroom work at the counter, Ennis routes fixture-relocation and ventilation-system projects through a formal 2-to-3-week plan-review cycle. The city also enforces IRC M1505 (exhaust duct termination must be to exterior within 25 feet unobstructed) and IRC R702.4.2 (shower/tub waterproofing membrane spec must be shown on plans), which means your contractor cannot simply 'build it and call the inspector' — the waterproofing assembly (cement board + RedGard membrane vs. schluter or similar) must be identified on the submitted plans before framing inspection. Ennis sits in climate zone 3A (central Texas), so frost depth (12 inches) doesn't drive floor-drain or trap-arm placement the way it does in the panhandle, but humid summers mean ventilation compliance is strict. Owner-builders are permitted for owner-occupied homes, but if you hire a contractor, they must be licensed; Ennis does not require the contractor to pull the permit on your behalf, so you often coordinate the filing directly with the city.

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

Ennis full bathroom remodel permits — the key details

The City of Ennis Building Department applies the 2015 IBC as adopted by the State of Texas, with local amendments documented in the Ennis City Code. Any full bathroom remodel that involves relocating fixtures (toilet, vanity, tub/shower, or laundry sink if in the bath), adding new electrical circuits, installing a new exhaust fan, moving drain lines, or converting a tub to a shower (or vice versa) requires a building permit. The threshold is intentionally low because these changes affect rough-in infrastructure, waterproofing, and life-safety systems (GFCI, AFCI, ventilation). Per IRC E3902, all 15-amp and 20-amp branch circuits within 6 feet of the bathtub or shower rim must have GFCI protection; if you are adding circuits or rewiring the bathroom, the electrical plan must show GFCI outlets or breakers explicitly. Ennis plan reviewers flag missing GFCI schedules routinely, so specify which receptacles are GFCI-protected before you submit. The city also enforces IRC M1505.4.3.1, which requires exhaust fans to be ducted to the exterior (not attic or crawlspace) within 25 feet of unobstructed duct; dampers are required. Bathroom exhaust fans that terminate in the attic are a common rejection — review your ducting path before filing.

Waterproofing is the second major plan-review focus. IRC R702.4.2 states that tub and shower areas must have a water-resistant or waterproof membrane on surfaces adjacent to the tub or shower. Ennis inspectors require you to specify the membrane type on the plans: are you using cement board plus liquid membrane (RedGard, Aqua Defense), prefab shower panels (schluter, wedi), or tile backer board with sheet membrane? This is not a field choice; it must be documented before the framing inspection. If your plans do not identify the waterproofing system, the city will request revisions before scheduling any inspections. Many homeowners and contractors assume they can 'decide on site,' which causes 1-to-2-week delays. Pressure-balanced or thermostatic mixing valves are also required if you are installing a new tub/shower valve (IRC P2708.1); single-handle valves without pressure balancing are not permitted in new construction or major remodels. Document the valve model number on your plumbing plan.

Drain and vent sizing is equally critical. If you are relocating a toilet, the toilet drain (called a 'closet bend') must connect to the main soil stack within a trap-arm distance that does not exceed 6 feet (per IRC P3005.2). Longer trap arms require a separate vent or an anti-siphon trap, which complicates the rough-in and increases cost. Ennis plan reviewers measure trap-arm distances on submitted plans; if yours exceed the maximum, you will be asked to relocate the toilet or add a separate vent. Vanity drains are more forgiving (trap arm up to 5 feet for 1.5-inch drain), but the same principle applies. If you are moving the main bathroom drain (the 3-inch or 4-inch line feeding the toilet), you must show the entire new drain route on your plumbing plan, including slope (1/8-inch to 1/4-inch per foot) and connection point at the main stack or cleanout. Ennis does not allow floor-slab penetrations without advance approval; if the new drain crosses the slab, show a request for approval in the permit narrative.

Electrical work in bathrooms is tightly regulated. In addition to GFCI protection, bathroom circuits must be dedicated (they cannot serve other rooms) if the bathroom is larger than a half-bath. If you are adding a heated towel rack, whirlpool tub, sauna, or heated floor, each of these may require its own circuit depending on load. Ennis electrical plan review includes a spot-check of wire gauge, breaker sizing, and outlet spacing. Ground-fault circuit interrupter devices (plug-in GFCI outlets) are permitted, but code prefers GFCI breakers at the panel; if you choose plug-in GFCIs, every outlet within 6 feet of the tub/shower must be GFCI, and you cannot rely on one GFCI upstream to protect others in the circuit (they must each be marked). Arc-fault circuit interrupters (AFCI) are required on bedroom circuits but not mandated in bathrooms by IRC; however, some electrical inspectors in North Texas recommend them as a best practice. Check with the Ennis Building Department during pre-plan consultation to confirm their local expectation.

The permit process timeline in Ennis typically runs 2 to 3 weeks for plan review, assuming a complete initial submission. Incomplete applications (missing waterproofing schedule, GFCI plan, or plumbing details) are returned with a request for corrections, which can add another 1 to 2 weeks. Once plans are approved, you can begin work; rough-in inspections (plumbing, electrical, ventilation) must be scheduled and passed before you close walls or instal fixtures. The final inspection happens after all fixtures are installed, trim is done, and caulking is complete. Bathroom remodels rarely require a framing inspection unless walls are being moved (which requires structural review). Permit fees in Ennis range from $200 to $800 depending on the project valuation; the city typically calculates fees as a percentage of the estimated construction cost (usually 1.5% to 2%) plus a base application fee. A $25,000 bathroom remodel incurs roughly $400–$500 in permits. Owner-builders can pull permits themselves for owner-occupied homes; contractors must be licensed, and if they pull the permit, they are named as the responsible party on the license.

Three Ennis bathroom remodel (full) scenarios

Scenario A
Vanity and toilet swap in place, new tile, no plumbing relocation — Ennis bungalow, 1950s
You are replacing the existing vanity cabinet with a new one of the same size and plumbing footprint, replacing the toilet with a new one in the same location, and tiling the shower surround with new tile over the existing substrate. No fixtures are being relocated, no new electrical circuits are being added, and no exhaust fan is being installed (existing fan remains). This work is surface-only and is exempt from permitting under Ennis code. However, if the existing shower substrate is original (plaster or drywall, common in 1950s Ennis homes), the city will likely require you to verify that a waterproof membrane exists behind the tile before the tile work begins. If no membrane is present, the work upgrades to a full remodel scope (involving waterproofing), which then requires a permit. Before purchasing tile and starting demolition, have a contractor or inspector evaluate the existing substrate; if it's solid cement board or a pre-fabricated shower panel, you're clear to proceed without a permit. Vanity and toilet replacements do not trigger GFCI upgrades in Ennis — the existing bathroom electrical is grandfathered. Total cost is $4,000–$8,000 (vanity $800–$1,500, toilet $300–$600, tile $2,000–$4,000, labor $1,500–$3,000). No permit fees. Completion timeline: 2–3 weeks with no inspection delay.
No permit required (fixtures replaced in place) | Substrate inspection recommended (mercury) | New tile requires waterproof surround verification | Total cost $4,000–$8,000 | No permit fees | No inspections required
Scenario B
Full gut remodel: moving toilet 8 feet, new vanity location, tub to shower conversion, new exhaust duct — mid-town Ennis, 1980s ranch
You are gutting the bathroom to reconfigure it. The toilet is being moved 8 feet to the opposite wall, the vanity is being relocated 5 feet and enlarged, the old tub is being removed and replaced with a walk-in shower (waterproofing assembly upgrade), and a new exhaust duct is being run to the exterior. This scope triggers a permit because it involves fixture relocation, drain-line changes, waterproofing upgrade, and ventilation installation. The 8-foot toilet relocation will require a new 3-inch or 4-inch closet bend that must tie into the main soil stack; if the new location exceeds a 6-foot trap-arm distance from the vent stack, you will need to either add a separate vent (under-floor or wall-cavity vent) or relocate the toilet closer to the main stack. Ennis plan review will flag this. The vanity relocation requires a new 1.5-inch drain and trap; if the new location is farther than 5 feet from the vent, a secondary vent is needed. The tub-to-shower conversion is the key trigger: IRC R702.4.2 requires you to specify the waterproofing system on the plans. You must choose between cement-board-plus-liquid-membrane (RedGard, Aqua Defense), Schluter or Wedi prefab systems, or tile backer board with sheet membrane. Ennis will not approve vague language like 'waterproofed per code' — name the product. The new exhaust fan duct must terminate through the soffit or roof within 25 feet of unobstructed duct; show the ductwork path on the electrical/HVAC plan. If you are adding any electrical circuits (dedicated circuit for heated floor, whirlpool, or towel rack), those must be GFCI or on a GFCI breaker and clearly marked on the electrical plan. Permit fee: $500–$700 (based on an estimated $30,000–$40,000 project valuation). Plan review timeline: 2–3 weeks. Inspections required: rough plumbing (after drain/vent lines are framed, before drywall), rough electrical (after wiring is in, before drywall), framing (if walls are moved; usually skipped if only fixture relocation), and final (after fixtures, trim, caulking). Total project cost: $20,000–$35,000. Timeline: 6–10 weeks from permit approval to final sign-off, depending on change orders and inspection scheduling.
Permit required | Trap-arm analysis (8-foot toilet move) | Waterproofing spec required (cement board + membrane or prefab system) | Exhaust duct to exterior with damper | GFCI/dedicated circuits if adding loads | Permit fee $500–$700 | 2–3 week plan review | 3–4 inspections | Total project cost $20,000–$35,000
Scenario C
New second bathroom (addition): extending plumbing line 40 feet, new exhaust, new electrical panel feed — Ennis homeowner adding 100-sq-ft bath to rear
You are adding a new second bathroom to your Ennis home as a room addition. This is not a remodel of an existing bath but the installation of an entirely new bathroom in new square footage. This scope requires a building permit for structural framing, plumbing (main water and drain lines extended 40 feet from the main stack), electrical (new dedicated circuits, GFCI outlets, exhaust fan circuit), and ventilation. The plumbing extension is the complexity: a 40-foot run from the main stack to the new toilet requires careful trap-arm and vent-stack design. If the new bathroom is at the end of the line, you may need a separate vent stack (a secondary vent line running up through the roof) or an air-admittance valve (AAV) to prevent trap seal loss. Ennis requires you to show the entire plumbing system on your plans, including the route of the water supply line (hot and cold), the main drain line, the vent path, and the connection points at the existing main stack or cleanout. The new bathroom will need its own exhaust duct (integral to the addition's HVAC plan) that terminates to the exterior within 25 feet. Electrical work includes running a new circuit (or circuits) from the main panel; if the main panel does not have capacity, a sub-panel may be needed, which is a separate licensed electrical installation. This scope also requires a framing permit (for the addition structure itself) and site plan showing the new footprint, utilities, and any setback impacts. Permit fees run $800–$1,200 (combination of building, plumbing, electrical, and HVAC permits). Plan review is 3–4 weeks because the entire addition plan set must be reviewed. Inspections include foundation (if applicable), framing, plumbing rough-in, electrical rough-in, drywall/insulation, and final. This is a high-complexity project; budget 12–16 weeks from permit issuance to final sign-off. Total project cost: $35,000–$55,000 (structural framing, plumbing, electrical, HVAC, fixtures, finishes). Owner-builders can pull the permit themselves if the home is owner-occupied, but most add this work to a licensed contractor's scope.
Building permit required for addition | Plumbing permit (extended main stack, separate vent) | Electrical permit (new circuits, GFCI, panel capacity review) | HVAC permit (new exhaust system) | 40-foot trap-arm analysis (likely requires secondary vent or AAV) | Permit fees $800–$1,200 | 3–4 week plan review | 6–8 inspections | Total project cost $35,000–$55,000

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Waterproofing spec and inspection sequence in Ennis bathroom remodels

The most common plan-review rejection in Ennis bathroom remodels is an incomplete or unspecified waterproofing schedule. IRC R702.4.2 requires a continuous water-resistant or waterproof membrane on all surfaces within the tub or shower surround, including the floor, walls to 6 inches above the tub rim or the full shower enclosure, and behind any wall-mounted fixtures. Ennis inspectors will not approve plans that say 'waterproofed per code' or 'standard practice.' You must name the system: cement board + liquid membrane (brand and product), Schluter-KERDI or Schluter-KERDI-BOARD, Wedi backer board, or sheet-applied membrane (e.g., Chloraloy or bituthene sheet). Each system has different installation requirements, thickness, sealing, and tile-adhesive compatibility. If you specify cement board without mentioning the membrane brand or application method, the plan is incomplete. The cost difference is material: cement board + RedGard is roughly $300–$500 for a typical 5x8-foot shower enclosure, while a Schluter or Wedi system runs $800–$1,200 but integrates the waterproofing and tile transition in one product. Ennis does not mandate one system over another, but your choice must be documented before the framing inspection. During the rough-in inspection, the inspector will verify that the chosen system is installed correctly (e.g., cement board is screwed 16 inches on center, liquid membrane is applied to all seams and penetrations, sheet membrane is laid flat without wrinkles). If the system is missing or incorrect, you will be asked to remediate before drywall can be closed. This delay can stretch the project timeline by 1 week or more.

GFCI requirements and electrical plan details for Ennis bathroom permits

Every branch circuit that serves outlets within 6 feet of a bathtub or shower rim in an Ennis bathroom must have GFCI protection. This is IRC E3902.1 (adopted in Texas), and Ennis electrical inspectors enforce it strictly. GFCI can be provided in two ways: a GFCI-type outlet (receptacle), which protects itself and any downstream outlets on the same circuit, or a GFCI breaker at the main panel, which protects all outlets on that circuit. Many homeowners and contractors assume that one GFCI outlet upstream protects all others in the bathroom; this is only true if the downstream outlets are wired in series. If your bathroom has multiple separate circuits or if outlets are wired to different circuits, each must have its own GFCI protection or be served by a GFCI breaker. On your electrical plan (part of the permit submission), you must clearly mark which outlets are GFCI-protected and whether they are GFCI receptacles or breaker-protected. A common mistake is showing 'bathroom outlets' without specifying GFCI; Ennis will return the plan for revision. If you are adding a heated towel rack (typically 1,500 watts or more), a whirlpool tub, or a heated floor, each of these may require a dedicated 20-amp circuit with GFCI or a dedicated 20-amp breaker (no GFCI, because the load is a fixed appliance, not a receptacle). Again, document this on the plan. Arc-fault circuit interrupter (AFCI) protection is required for bedroom circuits but not mandated by IRC for bathrooms; however, some Ennis inspectors recommend AFCI breakers as a safety upgrade. Pre-permit consultation with the Ennis Building Department can clarify whether AFCI is expected. Budget an extra $150–$300 for GFCI outlets or breakers on a full bathroom remodel.

City of Ennis Building Department
Contact City of Ennis City Hall; specific Building Department address available through City of Ennis website or 311
Phone: Call City of Ennis main number and ask for Building & Permits Division or search for 'Ennis TX building permit phone' | https://www.ennis-texas.gov or contact the city directly for permit portal information
Monday–Friday, 8 AM–5 PM (subject to local holiday closures; verify before submitting)

Common questions

Can I get a permit for a bathroom remodel online in Ennis?

The City of Ennis encourages online and in-person permit applications through the city's permit portal or by visiting City Hall during business hours. For initial consultation, call the Building Department to discuss scope and whether pre-plan review is recommended. Larger projects (fixture relocation, structural changes) may require an in-person meeting with the plan reviewer to align on waterproofing, electrical, and plumbing details. Simple projects (surface-only cosmetic) can be confirmed via email or phone. Check ennis-texas.gov for the current portal link.

Do I need a separate plumbing permit if my contractor is licensed in Texas?

A licensed plumbing contractor in Texas can pull a combined plumbing permit as part of the building permit, or the general contractor can pull the building permit and sub the plumbing work. Ennis does not require the contractor to pull the permit; you (the property owner) can file the permit and hire contractors to execute the work. If you are an owner-builder pulling the permit yourself, you must hire a licensed plumber for any plumbing work (Texas Property Code requires plumbing to be installed by a licensed plumber unless you are the owner doing work on your own primary residence). Confirm the specific arrangement with your contractor and the Ennis Building Department before scheduling plan review.

What is the typical cost of a bathroom permit in Ennis?

Ennis permit fees are calculated as a percentage of estimated construction cost (typically 1.5% to 2%) plus a base application fee, ranging from $200 to $800. A $25,000 bathroom remodel costs roughly $400–$500 in permits; a $40,000 remodel costs $600–$800. The exact fee is calculated by the Building Department once you submit the project scope and construction estimate. Fees are non-refundable if you cancel after the permit is issued.

How long does it take to get a bathroom remodel permit approved in Ennis?

Plan review typically takes 2 to 3 weeks if your initial submission is complete (waterproofing spec, electrical plan with GFCI schedule, plumbing fixture/drain details). Incomplete applications are returned with a request for corrections, adding 1 to 2 weeks. Once approved, you can begin work; rough-in inspections must be scheduled, which typically occur within 3 to 5 business days. Budget 4 to 5 weeks from submission to starting work. The entire project (permit to final sign-off) typically takes 8 to 12 weeks for a full remodel.

Can I start my bathroom remodel before the permit is approved?

No. Work must not begin until the permit is issued and posted on the property. Starting work before permit approval can result in a stop-work order, fines of $500 or more, and requirement to re-pull the permit with double fees. If you have already removed plumbing fixtures before submitting the permit, inform the Building Department during the permit process so they can schedule an expedited inspection of the rough-in.

What if I am replacing a vanity and toilet in the same location — do I need a permit?

No. Replacing fixtures in the same location (vanity, toilet, faucet, or shower head) without relocating plumbing lines is considered a surface repair and is exempt from permitting in Ennis. However, if the existing bathroom does not have an updated waterproof shower surround and you are tiling, the city may require verification that a membrane exists; if not, a waterproofing upgrade may be needed, which triggers a permit. Confirm the existing substrate condition with a contractor before assuming the work is permit-free.

Do I have to hire a licensed contractor to pull the permit in Ennis?

No. You can pull the permit yourself as the property owner if the home is owner-occupied. If you hire a contractor, they may offer to pull the permit, but Ennis does not require it. The permit can be in your name or the contractor's name; confirm this upfront. If you are an owner-builder, you are responsible for ensuring all subcontractors (plumber, electrician) are licensed and for scheduling and passing all required inspections.

What happens if I discover the bathroom has an old plumbing vent that is not code-compliant during the remodel?

If your rough-in inspection uncovers an unsafe or non-code-compliant vent (e.g., a vent that terminates in the attic, a vent that is undersized, or a trap arm that exceeds the maximum 6-foot length), the inspector will require it to be corrected as part of the remodel scope. You cannot 'grandfather' old work if you are already opening the walls and relocating fixtures. Budget for vent-stack relocation or addition if the inspector flags it. Pre-permit consultation with the city or your contractor can help identify these issues before work begins.

Are there any special requirements for pre-1978 bathrooms in Ennis (lead paint)?

Yes. If your Ennis home was built before 1978, it likely contains lead paint. When you remodel a bathroom in a pre-1978 home, federal law (EPA RRP Rule) requires that lead-safe renovation practices be followed. This means any work that disturbs paint (removal of trim, drywall, plumbing fixtures mounted to walls) must be done using containment, HEPA vacuums, and cleanup protocols. A certified lead-safe renovator must oversee the work. Ennis does not explicitly mandate this on the permit, but the EPA rule is federal and applies regardless. Your contractor should confirm lead-safe certification; if they do not, hire a lead abatement specialist or ask your permit reviewer for a referral.

Can I get an exemption or variance for a bathroom remodel that does not meet all code requirements (e.g., smaller duct or shorter exhaust fan)?

Variances are possible in limited cases where strict code compliance is not feasible or where an alternative method provides equivalent safety. Ennis requires you to submit a variance request in writing to the Building Department along with a rationale and an engineer's certification (if structural or safety-critical). Variances are rarely granted for ventilation (exhaust duct runs), GFCI, or waterproofing because these are life-safety systems. Cosmetic or minor deviations (e.g., outlet spacing that is slightly off) are often waived if the inspector agrees they do not affect safety. Always ask before the plan review; do not assume exemptions.

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 Ennis Building Department before starting your project.