Do I need a permit for a full bathroom remodel in
Colleyville, Texas?

Colleyville bathroom remodel permits — the key details

The Colleyville Building Department requires a permit for any bathroom remodel that involves plumbing fixture relocation, new electrical circuits, new exhaust ventilation ducts, or structural wall changes. The trigger is clear in the International Residential Code (IRC) Section P2706 (drainage and vent piping) and IRC M1505 (exhaust fan ventilation and sizing). If you are replacing a toilet, faucet, or vanity in its existing location without moving supply lines or drain lines, you do not need a permit — this is considered a fixture swap and falls under the maintenance and repair exemption. However, if you are moving the toilet to a new wall, relocating the sink supply lines, or installing a new shower in place of a tub (which triggers IRC R702.4.2 waterproofing assembly requirements), you must file. The city's Building Department uses an online portal (linked from www.colleyville.tx.us) where you can submit applications, pay fees online, and track status — this is faster than in-person filing and avoids mail-in delays. Permit fees for bathroom remodels typically range from $250 to $800 depending on the scope and estimated valuation; the fee is generally calculated at 1.5-2% of the project valuation (labor + materials). For a mid-range remodel ($15,000–$20,000), expect a permit fee of $300–$400.

Electrical work in bathrooms is heavily regulated under the National Electrical Code (NEC Article 210.12) and Colleyville's adoption of the NEC. All bathroom circuits must be GFCI-protected (ground-fault circuit interrupter), and any new circuits added to a bathroom must be on a 20-amp dedicated circuit if serving the vanity or toilet, and on a separate circuit if serving an exhaust fan. If you are adding a heated towel rack, ventilation fan, or new lighting, you are adding electrical circuits — this requires a permit and a licensed electrician must perform the work (or you as the homeowner if Colleyville allows owner-builders, which it does for owner-occupied work, but the work must be inspected and you are liable for code compliance). The electrical inspection is a separate line item from the plumbing and mechanical inspections, and the inspector will verify GFCI outlets, wire gauge, box fill, and exhaust fan amperage. Plan for at least one rough electrical inspection before drywall closure.

Exhaust ventilation is governed by IRC M1505, which requires a bathroom exhaust fan to move at least 50 cubic feet per minute (CFM) of air in a room under 100 square feet, or 1 CFM per square foot for larger spaces. The fan ductwork must terminate to the outdoors (not into an attic or soffit, a common mistake), and the duct must be insulated in unconditioned spaces to prevent condensation. The duct diameter (typically 4 or 6 inches) must match the fan outlet, and the duct run should not exceed 30 linear feet without additional airflow loss calculations. Colleyville inspectors will request photos or a walkthrough to verify duct termination and slope — this is often overlooked in DIY remodels and can cause the permit to be rejected or require re-work. If your bathroom is small (under 50 square feet) and you are not adding an exhaust fan, you can sometimes use a window for ventilation instead, but this is only acceptable if the window can be opened to the outdoors and meets IRC minimum size requirements (typically at least 10% of floor area); most remodels include a fan, so plan for it.

Waterproofing and shower assembly are critical in Colleyville, particularly for homes in the clay-heavy north end of the city where ground moisture and soil expansion can stress structures. If you are converting a tub to a shower or installing a new shower, IRC R702.4.2 requires a waterproofing membrane assembly behind the tile. The approved method in Colleyville is cement board (not drywall) plus a liquid or sheet membrane (Schluter, Wedi, or equivalent). The cement board must be fastened with corrosion-resistant fasteners every 8 inches, and the membrane must lap the drain pan by at least 2 inches and extend 6 inches up the walls. Some inspectors in Colleyville also require the contractor to submit a photo of the membrane installation before tile is installed — this is a rough inspection point. If you are simply retiling an existing shower (not moving the shower or replacing the pan), waterproofing is less strict, but the city inspector may still ask to see the wall structure behind the tile. Plan for an inspection before you tile and immediately after waterproofing is installed.

The Colleyville Building Department typically issues permits within 3-5 business days if the application is complete and the project is straightforward (simple fixture relocations, standard electrical). More complex projects (multiple wall moves, new plumbing vents, extensive structural changes) may trigger a full plan review, which can add 2-4 weeks. Once permitted, you will have inspection points: rough plumbing (drains, vents, supply lines, traps), rough electrical (circuits, boxes, GFCI outlets), framing (if walls are being moved), and final inspection (all fixtures installed, tiles set, paint finished). Each inspection must be scheduled 24-48 hours in advance through the portal or by phone; the inspector has 3 business days to complete the inspection after scheduling. If the inspector finds code violations, you will receive a correction notice and must reschedule the inspection after corrections are made — this can add 1-2 weeks to the project. Budget 2-5 weeks total from permit issuance to final approval, assuming no major re-work.

Three Colleyville bathroom remodel (full) scenarios

Colleyville's waterproofing and clay-soil challenge

Colleyville sits on Houston Black clay and alluvial deposits that expand and contract with moisture changes, particularly in the northern neighborhoods near the Tarrant County line. This soil condition is not a permit requirement per se, but it affects how inspectors scrutinize bathroom waterproofing assemblies. A poorly waterproofed shower or tub surround can allow moisture to wick into the wall cavity, where it causes rot, mold, and structural damage that may not surface for years. Colleyville inspectors are trained to request waterproofing details (cement board gauge, membrane type, lap dimensions, drain pan slope) before approving any new shower installation.

The approved waterproofing assembly in Colleyville for new showers is cement board (at least 1/2 inch, Grade A, fastened every 8 inches with corrosion-resistant screws) plus a liquid or sheet membrane (Schluter Kerdi, Wedi, or equivalent liquid product). Drywall is no longer accepted for shower surrounds in the 2015 IBC, which Colleyville has adopted. The membrane must lap the drain pan by at least 2 inches and extend up the walls to at least 60 inches (5 feet) or to the top of the shower enclosure if taller. The drain pan itself must slope toward the drain at 1/4 inch per foot minimum, and the trap arm (from the drain to the vent connection) must not exceed 3 feet without additional venting.

When you submit your permit application, include photos or a spec sheet showing the waterproofing assembly: brand of cement board, brand and type of membrane (liquid with coverage rate, or sheet membrane with lap detail), and drain pan slope diagram. If you do not include these details, the plan review will come back with a rejection or a request for clarification, which adds 1-2 weeks to the permit issuance. Many DIY remodelers underestimate the documentation required and face delays. The rough waterproofing inspection typically happens after drywall is hung but before tile is set — the inspector will look for proper membrane installation, lap at the drain, and wall coverage. If there are gaps or improper laps, you will be asked to re-do the work, which is costly and time-consuming after framing.

Electrical GFCI and AFCI requirements in Colleyville bathrooms

Colleyville enforces the National Electrical Code (NEC Article 210.12 and 210.8) which requires GFCI protection for all bathroom receptacles (outlets) and AFCI protection for all branch circuits serving bathrooms. GFCI (ground-fault circuit interrupter) protection detects leakage current (shock hazard) and trips the circuit in milliseconds — this is mandatory for any outlet within 6 feet of a sink or water source. AFCI (arc-fault circuit interrupter) protection detects dangerous arcing in wiring and prevents electrical fires — this is required for all circuits supplying bathrooms, including lighting circuits. If your bathroom has an old outlet that is not GFCI-protected, you must upgrade it as part of the remodel. You can do this by replacing the outlet with a GFCI outlet, or by installing a GFCI breaker in the electrical panel (which protects the entire circuit).

When you add a new circuit (for example, a new vanity light or heated towel rack), the new circuit must originate from a new breaker that includes AFCI protection. The wire gauge must be appropriate for the circuit amperage: 12 AWG for a 20-amp circuit, 14 AWG for a 15-amp circuit. The circuit must be dedicated to the bathroom (not shared with other rooms) if it is a primary bathroom circuit. Plan for a rough electrical inspection before drywall is closed, where the inspector will verify wire gauge, box fill, breaker type, and GFCI/AFCI protection. If any deficiencies are found, you must correct them before the final inspection.

Colleyville inspectors sometimes issue violations for improper GFCI installation, such as outlets that are not end-of-line GFCI or outlets that are protected by a non-GFCI breaker in the panel. To avoid delays, hire a licensed electrician (required by Colleyville for any circuit addition or modification, unless you are an owner-builder who has obtained a separate electrical permit). If you are an owner-builder, you must obtain an electrical contractor's license from the city or hire a licensed electrician to perform the work — you cannot simply install circuits yourself without a license. The permit application will specify which route you are taking (licensed contractor or owner-builder with license).

Common questions