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

Boerne full bathroom remodel permits — the key details

Boerne's Building Department requires a permit for any bathroom remodel that involves fixture relocation, electrical-circuit addition, new exhaust ventilation, wall demolition, or tub-to-shower conversion. The threshold is clear in the city's adoption of the Texas Building Code: moving a toilet, sink, or tub triggers plumbing-permit requirements because the drainage trap and vent routing must be re-verified for code compliance (IRC P2706 governs trap sizing and arm length — a common rejection point when homeowners relocate a toilet and the new drain line runs more than 6 feet from the vent stack without a secondary vent). Adding a new electrical circuit for a heated floor, exhaust fan, or lighting requires a separate electrical permit, which the city issues under the National Electrical Code (NEC Article 210 — branch circuit protection; NEC 690.12 if solar is added). Any work that disturbs the shower or tub enclosure — including tub-to-shower conversion — must include a waterproofing plan showing cement board + membrane, or an equivalent approved system (IRC R702.4.2). Boerne's permit staff are particularly strict on this point because the Hill Country's water table and occasional heavy rains make moisture control critical; plan revisions due to missing waterproofing details happen in roughly 30% of bathroom remodel submissions. The city also requires that all plumbing fixtures be pressure-balanced (anti-scald valves per IRC P2708) if replacing or relocating the main shower/tub valve; this is a code requirement statewide but Boerne's inspectors always verify it on the rough-in. If you're in a pre-1978 home, lead-paint disclosure and containment rules apply under federal law (TSCA RRP Rule) — not a permit block, but a critical compliance layer that can add $500–$1,500 to project cost if lead abatement is needed.

Boerne's permit process is over-the-counter for most bathroom projects if plans are complete; full plan-review timeline is typically 5–7 business days, with feedback on plumbing, electrical, and waterproofing details. Once permits are issued, inspections follow a rough-plumbing, rough-electrical, framing (if walls move), and final sequence. Rough plumbing inspection verifies trap sizing, vent routing, and slope (minimum 1/4 inch per foot for drain lines). Rough electrical confirms GFCI protection on all outlets within 6 feet of the tub/shower per NEC 210.8, plus AFCI protection on bedroom circuits if the bathroom is adjacent to or part of a master suite. The exhaust fan inspection checks for proper duct sizing (minimum 3-inch diameter for a typical bathroom per IRC M1505) and termination — this is where many homeowners cut corners, running duct into an attic soffit instead of exiting through the wall or roof, which can cause moisture damage and will fail final inspection. Boerne also requires an energy-compliance check (Texas Energy Code adoption, which mirrors IECC) on any renovation that disturbs more than 25% of the bathroom envelope; this typically means ensuring insulation in exterior walls is adequate and windows (if present) meet U-factor ratings. The city's online portal allows permit status tracking, but you'll need to upload plans in PDF format and may be asked to resubmit marked revisions via the portal if initial review flags issues.

Contractor licensing is mandatory in Boerne for any work over $1,000, unless you qualify as an owner-builder on an owner-occupied primary residence. If you're hiring a licensed contractor (plumber, electrician, general), their license number must appear on the permit application, and the city verifies current, active license status during permit issuance — not unusual for applications to stall 2–3 days while the city contacts the Texas Department of Licensing and Regulation (TDLR) to confirm. If you're doing the work yourself as owner-builder, you'll file an Owner-Builder Affidavit (also called a homeowner exemption in some Texas jurisdictions), which waives the licensing requirement but makes you legally responsible for code compliance; the city still inspects to code, and if work fails inspection, you must correct it or hire a licensed contractor to do so. Boerne's permit fees for a full bathroom remodel typically run $250–$700 depending on the project valuation — the city bases fees on estimated construction cost (usually 1.5–2% of valuation). A mid-range bathroom remodel ($15,000–$25,000 scope) typically incurs $300–$400 in permit fees, plus separate plan-review deposits if the job is complex (relocating plumbing to opposite side of bathroom, for example). The city does not charge separate fees for electrical or plumbing permits if they're bundled into a single building permit; if you pull them separately, expect $150–$250 per trade. Once work is complete and passes final inspection, the city issues a Certificate of Occupancy (or Completion) — this is not always required for a bathroom remodel, but getting one officially closes the permit and provides documentation for future sales or refinancing.

Boerne's climate and geology add practical wrinkles to bathroom remodels. The Hill Country sits in a transition zone between IECC Climate 2A and 3A, with average winter lows around 45°F in town; frost depth is 12–18 inches in Boerne proper, which doesn't affect interior bathrooms directly but does affect any exterior-wall moisture control — if your bathroom is on an exterior wall, the building code requires continuous insulation behind any new moisture barriers to prevent condensation. Boerne's soil is mostly limestone (caliche) and some clay; this affects drainage if any grading work is done near the foundation, but interior bathrooms rarely trigger this. However, Boerne's water table can be high in spring (post-heavy rain), and the city has experienced flash-flooding in some neighborhoods — this means exhaust-fan and fresh-air-duct routing need to avoid creating interior water pathways; running an exhaust duct through an attic that's exposed to roof leaks, for example, can backflow water into the bathroom. The city's Building Department notes this in their permit materials and may ask for clarification on duct routing if you're in a historically flood-prone neighborhood (Boerne's Planning Department can tell you if your property is in a flood zone). Additionally, Boerne is on the edge of the Edwards Aquifer Recharge Zone, which means some neighborhoods (particularly northwest areas) are under additional environmental protection; if your property is in the recharge zone, septic-system upgrades or any work that increases wastewater volume may require Edwards Aquifer Authority (EAA) coordination — not typically needed for a bathroom remodel if you're on municipal sewer, but if you're on a private septic system, mention this to the city during permit intake.

The practical next step: gather your scope (what's moving, what's new), take photos and rough measurements of your current bathroom, and contact the City of Boerne Building Department to schedule a pre-permit consultation. Many homeowners skip this and submit plans cold, leading to 2–3 rounds of revision; a 15-minute conversation with the permit tech can clarify waterproofing-documentation requirements, duct-routing approval, and licensing expectations upfront. If you're hiring a contractor, ask them to pull the permit and manage inspections — this is standard practice and costs no extra (the permit fee is the same whether you pull it or they do). If you're owner-building, download the Owner-Builder Affidavit from the city website, fill it out, and include it with your permit application; the city will verify that the property is owner-occupied and that you're claiming the exemption correctly. Allow 2–3 weeks from permit application to inspection-ready status (5–7 days plan review, 3–5 days for corrections if flagged, then scheduling inspections). Budget for 4–6 inspections over the course of the project (rough plumbing, rough electrical, framing if walls move, waterproofing, drywall, final). Don't start work until the permit is issued and posted on your property; the city's inspectors have authority to halt unpermitted work immediately.

Three Boerne bathroom remodel (full) scenarios

Waterproofing assembly and common plan-review rejections in Boerne bathrooms

Boerne's Building Department flags waterproofing as the #1 reason for plan-review rejections on bathroom remodels, particularly when converting a tub to a shower or removing and replacing a tub. The Texas Building Code, as adopted by Boerne, requires that all shower and tub enclosures be constructed with a waterproofing assembly that includes at least one continuous water-resistant barrier (IRC R702.4.2). The approved materials are: (1) cement board plus a liquid-applied membrane (most common), (2) cement board plus sheet membrane, (3) fiber-reinforced panel (equivalent to cement board), or (4) pre-fabricated waterproofing systems (some tile-board products). Homeowners and contractors frequently submit plans that show standard drywall behind the tile — this fails immediately. The city's permit staff will request a revised plan specifying the waterproofing system before plan review even begins.

To avoid rejection, your permit application must include a detail drawing (even a sketch from your contractor is acceptable) showing: the base material (cement board, fiber-reinforced panel, or equivalent), the membrane type (liquid, sheet, or integral), the membrane coverage area (minimum 6 inches above the tub rim or shower pan, extending to the edges of the tile area), and any sealant tape at corners or penetrations. Most remodelers use Hardie board or similar cement board (roughly $50–$100 per sheet) plus a liquid membrane like RedGard or Hydroban (roughly $30–$60 per gallon, covers 75–100 sq ft). The total waterproofing material cost is typically $200–$400 for a standard 5x8 bathroom. Boerne's inspectors will visually verify the waterproofing assembly during the rough-in inspection (after drywall is removed but before tiling); if you deviate from what's shown on the approved plan, the inspector can issue a correction notice and delay the final sign-off.

A second common rejection involves shower pan construction. If you're installing a pre-formed shower pan (acrylic or fiberglass), you must show on your plans how it's sealed to the surrounding walls and drain. If you're building a custom pan (slope to drain, then tile), you must specify the slope (minimum 1/4 inch per foot toward the drain) and confirm the pan will have a membrane or waterproofing sealant. Boerne's inspectors have seen water damage from poorly sloped custom pans and will ask for a diagram showing the drain location and pan slope if your plan isn't explicit.

Plumbing fixture relocation and trap-arm compliance in Boerne

Moving a toilet, sink, or tub in a Boerne bathroom requires strict compliance with IRC P2706, which governs the maximum length of the trap arm (the pipe between the fixture's trap and the vent stack). The trap arm cannot exceed 6 feet in length; if your new toilet location is more than 6 feet from the existing vent stack, you'll need to install a secondary vent (a 'wet vent' using the sink drain line, or a new vent stack). This is the #2 reason for plan-review feedback on plumbing relocation permits. Many homeowners and even some contractors assume they can run a long drain line to the main stack without a secondary vent — this causes slow drains and potential sewer gas backup, and the city's inspector will flag it during rough-plumbing inspection. The solution is either (1) relocate the toilet closer to the vent stack, (2) install a new vent stack (typically runs through the attic and roof, adding $800–$1,500 labor and materials), or (3) use a wet vent if the bathroom layout allows (a single vent stack shared by the sink and toilet; requires the sink to be higher than the toilet and drain lines to be sloped correctly). Boerne's plumbing inspectors are experienced with these solutions and will accept any compliant approach; the key is specifying it on the permit plan before work begins.

A secondary plumbing consideration in Boerne bathrooms is the drainage slope. All horizontal drain pipes must slope a minimum of 1/4 inch per foot toward the main stack or sewage ejector (if you're on a lower level or sump-based system). Boerne's limestone-heavy terrain means some neighborhoods have high water tables or sump-based drainage; if your bathroom is in a basement or lower level, you may need a sewage ejector pump to lift waste water to the main sewer line. This isn't a common permit issue but is worth verifying with the city during pre-permit consultation if your home's drainage system is anything other than gravity-fed to the main line. The city can tell you if your property is in an area requiring ejector pumps; if so, the ejector pump itself requires its own permit (separate from the bathroom remodel) and adds $3,000–$5,000 to the project cost.

Finally, all plumbing fixtures in a Boerne bathroom must be pressure-balanced or thermostatic-mixing valves per IRC P2708; this applies to the main shower or tub valve and prevents scalding if someone opens a cold-water fixture elsewhere in the home while someone is showering. The inspector will verify the valve type during rough-plumbing inspection. If you're relocating the shower valve, you'll need to upgrade to a pressure-balanced valve if the existing valve is older (pre-2000s homes often have non-balanced valves). Pressure-balanced valves cost $150–$300 and are standard practice; plan for this cost if replacing the valve.

Common questions