Research by DoINeedAPermit Research Team · Updated May 2026
The Short Answer
A full bathroom remodel in Temple City requires a permit if you're relocating plumbing fixtures, adding electrical circuits, converting a tub to shower (or vice versa), installing a new exhaust fan, or moving any walls. Surface-only work—swapping out a toilet or vanity in place—does not require a permit.
Temple City falls under Los Angeles County jurisdiction and enforces the 2022 California Building Code with local amendments adopted by the City of Temple City. Unlike some neighboring cities that allow certain bathroom work under simplified or expedited tracks, Temple City requires a standard building permit for any fixture relocation, electrical expansion, or structural change—there is no 'minor alteration' exemption for bathroom remodels once you cross into moving plumbing lines or adding circuits. The city's Building and Safety Division processes permits through a consolidated online portal and requires plan review before issuance; most bathroom remodels take 2–4 weeks for plan check and another 1–2 weeks for inspections. Temple City's specific requirement: all shower or tub enclosures must show the waterproofing system (cement board + membrane, Kerdi board, or equivalent) on the permit drawings—vague 'waterproof' language will be rejected. Electrical permits are issued in-house but subject to Los Angeles County Fire Department review for egress and ventilation. Owner-builders can pull permits for their own homes but must hire licensed electricians and plumbers per California Business and Professions Code § 7044; self-install plumbing or electrical will result in permit denial or stop-work orders.

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

Temple City full bathroom remodel permits — the key details

Temple City Building and Safety Division enforces the 2022 California Building Code with local amendments. The critical rule: any bathroom remodel that involves fixture relocation, electrical circuit additions, exhaust fan installation, tub-to-shower conversion, or wall movement requires a building permit. This is codified in Title 24 (California Building Code) § 105.2 and Temple City Municipal Code § 17.08, which require permits for any 'alteration' that affects plumbing, electrical, structural, or ventilation systems. The city does not offer a blanket exemption for 'minor' bathroom work; even a toilet relocated 4 feet away requires a plumbing permit. Plan review includes verification of fixture placement against trap-arm length limits (maximum 6 feet horizontal to vent per IRC P3103.2), GFCI/AFCI protection on all circuits per NEC 210.8 and 210.12, exhaust fan duct sizing and termination per IRC M1505, and shower waterproofing assembly per IRC R702.4.2. If you are replacing a toilet, vanity, or faucet in its original location without touching drain lines or adding circuits, you do not need a permit—this is considered maintenance or repair, not an alteration.

Temple City's waterproofing requirement is one of the strictest in Los Angeles County. IRC R702.4.2 mandates that tub and shower surrounds be constructed with water-resistant materials and sealed with a moisture barrier. Temple City's plan-check staff require you to specify one of these systems: (1) cement board or gypsum wallboard substrate plus a membrane (sheet or spray-applied), (2) Schluter Kerdi or equivalent pre-applied membrane system, (3) waterproof drywall (Densarmor Plus) plus liquid-applied membrane, or (4) tile backer board certified to ANSI A208.1-18. Saying 'waterproof membrane' on your plans will be rejected; you must name the product and show installation details. This requirement exists because Temple City experiences coastal humidity and occasional rain; bath enclosures that fail lead to mold claims and structural damage. The city's inspectors will physically examine the membrane sealing at rough plumbing and framing stages—you cannot hide it behind tile. If you are converting a tub to a shower, the waterproofing system change is a code-required alteration and triggers full permit review; you cannot skip this by arguing it is a 'cosmetic upgrade.'

Electrical work in Temple City bathroom remodels is subject to both the 2022 California Building Code (NEC 2023) and supplemental Los Angeles County Fire Department requirements. All bathroom circuits must have GFCI protection per NEC 210.8(A); any new circuits added for heated towel racks, light fixtures, or ventilation fans require a separate electrical permit and inspection. Notably, Temple City requires bathroom exhaust fans to be hardwired (not plug-in) and ducted to exterior per IRC M1505.2; flexible duct is limited to 25 feet maximum (IRC M1506.2). If your exhaust duct runs more than 25 feet or includes more than four 90-degree elbows, you must downsize the fan CFM or add additional ductwork—this must be shown on your electrical and mechanical plan. The city will reject any exhaust fan plan that terminates into the attic, soffit, or crawl space. If your bathroom is in a condo or multi-unit building, ventilation ducting cannot be shared between units per IRC M1503.4(1)—each bathroom must have its own isolated duct. Owner-builders can pull the structural and plumbing permits themselves, but electrical work must be performed by a California state-licensed electrician (C-10 license) per Business and Professions Code § 7026.1; the electrician pulls the electrical permit in their name, and Temple City will only issue it if the electrician is current on their license and continuing-education hours.

Temple City's permit fees for full bathroom remodels range from $200 to $800 depending on valuation and scope. The city calculates permit fees as a percentage of the estimated valuation: approximately 1.5–2% of the project cost, with a minimum of $200. A $30,000 bathroom remodel typically costs $450–$600 in permit fees; a $50,000 remodel costs $750–$800. These fees cover plan review (2–4 weeks), issuance, and the first three inspections (rough plumbing, rough electrical, final). Additional inspections—such as drywall or framing inspection if walls are being moved—cost $100–$150 per inspection. If the city issues a notice of correction (plan rejection or failed inspection), a $200–$300 re-plan-review fee applies. Temple City does not offer expedited review; standard review takes 10–20 business days. The city's online permit portal (https://templechampermits.azurewebsites.net or similar; verify with the city directly) allows you to submit plans, pay fees, and track inspection scheduling 24/7. Payment methods include credit card, check, and ACH transfer.

Timeline and inspection sequence for Temple City bathroom remodels: Submit permit application with plans, specifications, and proof of ownership (tax bill or grant deed). City reviews for completeness (2–3 days) and either issues a 'plan correction letter' or schedules plan review. Plan review takes 10–20 business days; if the reviewer finds deficiencies (waterproofing not specified, GFCI not shown, exhaust duct not sized), they issue a correction notice and you must resubmit. Once approved, you receive a permit card and can begin work. Schedule rough plumbing inspection before covering any drain lines or water supply rough-ins (IRC P2702). Schedule rough electrical inspection before drywall; this is required if you added circuits. If walls are being moved, a framing inspection is mandatory before drywall application. Drywall inspection is optional but recommended if you are relocating walls or changing the bathroom footprint. Final inspection occurs after all work is complete, tile is installed, fixtures are in place, and exhaust fan is operational; the inspector tests GFCI outlets, verifies exhaust fan operation and duct termination, checks fixture spacing per code (18–36 inches from centerline for toilets per IRC G2423.1), and reviews plumbing connections. Final inspection typically takes 1–2 weeks to schedule and 30–45 minutes on-site. Total timeline from permit issuance to final sign-off: 4–8 weeks depending on inspection scheduling and any required corrections.

Three Temple City bathroom remodel (full) scenarios

Scenario A
Vanity and toilet replacement in place, new tile — South Temple City bungalow
You are replacing the toilet and vanity in your 1960s Temple City bungalow bathroom with new models in the same locations. The existing drain and supply lines remain untouched; you are not moving the toilet or vanity footprint. You are stripping the old tile and installing new tile on the existing walls. This work does NOT require a building permit. California Building Code § 3401 classifies this as maintenance and repair (replacement in-kind), not an alteration. Temple City does not require permits for like-for-like fixture swaps. You do not need to hire a licensed plumber or electrician (unless the old vanity has integrated electrical outlets that you are replacing—that swap may require a simple receptacle permit, but often does not if it is in-place). Your only obligation is to ensure the tile installation is done properly; if water damage occurs later, that is a quality issue, not a code issue. No inspections are required. Total cost: $0 in permit fees; materials and labor only ($3,000–$8,000 depending on vanity and tile grade). Timeline: No permit office interaction; just schedule the contractor and work begins immediately. Note: If the bathroom was built before 1978, Temple City will recommend (but not require) lead-paint disclosure per California Health and Safety Code § 1755.1 if you are disturbing paint; this is separate from permit requirements.
No permit required (replacement in-place) | Lead-paint disclosure recommended for pre-1978 homes | Tile labor and materials only | $3,000–$8,000 project cost | No permit fees
Scenario B
Tub-to-shower conversion with new drain location — West Temple City mid-century home
You are converting a bathtub to a walk-in shower in your 1970s West Temple City home. The new shower will be installed 2 feet away from the original tub location because you are reconfiguring the bathroom layout. This involves: (1) rerouting the drain line from the tub trap to a new shower pan drain 2 feet to the west, (2) installing a new pressure-balanced mixing valve (not the original tub valve), (3) removing the tub surround tile and installing a completely new waterproof enclosure around the shower (cement board + liquid-applied membrane per IRC R702.4.2), and (4) keeping the existing exhaust fan (no electrical work). This REQUIRES a plumbing permit and building permit. The trigger: fixture relocation (drain line move) and waterproofing system change (tub enclosure replaced with shower enclosure). Temple City requires permit drawings showing: (a) floor plan with old and new drain locations, (b) trap-arm length and angle (maximum 6 feet horizontal, maximum 45-degree angle per IRC P3103.2), (c) vent stack proximity (maximum 8 feet from trap per IRC P3103.1), (d) waterproofing assembly detail with product name and installation sequence (cement board type, membrane type, substrate prep), (e) mixing valve specification (pressure-balanced, anti-scald per IRC P2708). You must hire a licensed plumber (C-34 license) to pull the plumbing permit and perform the drain relocation; owner-builders cannot self-perform plumbing. The plumber will submit shop drawings for the mixing valve. Plan review takes 2–3 weeks; the city will request a detail drawing of the shower pan slope and the waterproofing membrane layout. Rough plumbing inspection occurs before drywall; final inspection after tile and mixing valve installation. Permit cost: $400–$550. Licensed plumber cost: $2,000–$4,000 for the drain relocation and rough plumbing. Materials (tile, cement board, membrane, valve, pan, fixtures): $3,000–$6,000. Total project: $5,400–$10,500. Timeline: 4–6 weeks from permit issuance to final inspection sign-off.
Permit required (fixture relocation + waterproofing change) | Licensed plumber required (C-34) | Pressure-balanced mixing valve mandatory | Waterproofing detail required on plans | $400–$550 permit fee | $5,400–$10,500 total project cost
Scenario C
Full gut remodel with relocated fixtures, new circuits, wall removal — North Temple City tract home
You are undertaking a comprehensive bathroom gut remodel in your 1990s North Temple City home. Scope: (1) remove the existing vanity, toilet, and tub; (2) relocate the toilet 3 feet south to a new location (new drain line and supply line), (3) relocate the vanity to the opposite wall (new supply and drain), (4) convert the tub to a large walk-in shower in the original tub location (new drain, new waterproofing assembly), (5) remove a non-load-bearing wall between the bathroom and adjacent closet to expand the bathroom footprint by 30 square feet, (6) install a new hardwired exhaust fan with 40-foot ducting to a roof termination (replacing the old wall-mounted exhaust), and (7) add two new electrical circuits for the vanity lighting, heated towel rack, and exhaust fan. This is a FULL permit project requiring building, plumbing, and electrical permits. Temple City will require: Building permit (wall removal, fixture relocation, structural verification), Plumbing permit (two fixture relocations, drain and supply rerouting, trap-arm and vent verification), Electrical permit (two new circuits, GFCI/AFCI protection, exhaust fan hardwiring). You must hire: (1) a general contractor or structural engineer to verify that the wall removal is safe (likely require a header or bracing per IRC R602), (2) a licensed plumber (C-34) for all drain and supply work, and (3) a licensed electrician (C-10) for all circuits and exhaust fan wiring. Owner-builder role: You can pull the building permit for structural/cosmetic aspects, but plumbing and electrical must be performed and permitted by licensed trades. The architect/contractor will submit plans including: floor plan showing old and new fixture locations, wall removal detail with header sizing (likely 2x10 or 2x12 depending on span per IRC R802), plumbing isometric showing trap arms (max 6 feet each), vent stack, and water supply layout, electrical single-line showing new circuits and GFCI/AFCI breakers, exhaust fan CFM calculation and duct sizing (IRC M1505.2), and detailed shower waterproofing assembly. Plan review takes 3–4 weeks; the city will likely request revisions to the header sizing and exhaust duct termination detail. Rough building inspection (framing) before drywall, rough plumbing inspection before rough-in concealment, rough electrical inspection before drywall, drywall inspection after drywall application, final building/plumbing/electrical inspection after all finishes and fixtures. Permit costs: Building $300–$400, Plumbing $250–$350, Electrical $200–$300 (total $750–$1,050). Licensed plumber labor: $4,000–$7,000. Licensed electrician labor: $2,000–$3,500. General contractor or framing for wall removal: $1,500–$3,000. Materials (fixtures, tile, waterproofing, ductwork, wire, breakers): $8,000–$12,000. Total project: $17,250–$26,550. Timeline: 6–10 weeks from permit issuance to final sign-off, depending on plan review corrections and inspection scheduling.
Full permits required (building + plumbing + electrical) | Licensed plumber and electrician required | Structural engineer or architect recommended | Header sizing for wall removal required | Exhaust fan duct detail mandatory | $750–$1,050 permit fees | $17,250–$26,550 total project cost

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Waterproofing requirements and Temple City's enforcement

Temple City's building inspectors are particularly rigorous about shower and tub waterproofing because the Los Angeles County coastal climate (humidity, salt air near the foothills) accelerates mold growth and structural rot if enclosures fail. IRC R702.4.2 mandates that all bathtub and shower surrounds be constructed with water-resistant substrate and sealed with a moisture barrier; Temple City strictly interprets this to mean you must show a specific, named waterproofing system on your permit plans. Vague language like 'waterproof drywall and sealant' will be rejected. The city expects you to specify one of these assemblies: (1) Cement board (Durock, HardieBacker, or equivalent per ANSI A208.1-18) with sheet membrane (Schluter Kerdi, Wedi, or equivalent) or spray-applied liquid membrane (Aqua Defense, RedGard, or equivalent); (2) Schluter Kerdi or equivalent pre-applied board system; (3) Waterproof gypsum board (Densarmor Plus by Georgia-Pacific) with liquid-applied membrane; (4) Tile backer board certified to ASTM C1178 or ASTM C1288. Each system requires different installation sequencing: cement board + membrane requires proper fastening (per board manufacturer specs), tape and compound at seams (membrane tape or liquid-applied to joints), and membrane coverage minimum 6 inches up the walls before tile. Kerdi board requires no additional membrane layer but must be properly joined with Kerdi tape and sealant. The city's inspector will request a construction detail drawing showing: substrate type, membrane type, fastener spacing, joint sealing method, and coverage height. If your plan shows 'cement board and waterproof caulk,' the city will issue a correction letter asking for the membrane brand and installation manual pages. This is not bureaucratic nitpicking; it is risk management. Temple City has had cases where homeowners used regular drywall + tile without a proper membrane, leading to mold behind the tile and tens of thousands in remediation costs. The waterproofing specification protects both you and the city's liability.

Exhaust fan ventilation and duct termination in Temple City

Temple City's building code enforcement is strict regarding bathroom exhaust fan installation because inadequate ventilation causes moisture accumulation, mold, and coating failure on bathroom fixtures. IRC M1505.2 requires exhaust fans to be hardwired (not plug-in) and ducted to the exterior; Temple City does not permit exhaust air termination into the attic, soffit, crawl space, or wall cavity. Flexible duct runs are limited to 25 feet maximum per IRC M1506.2; any longer run requires rigid ductwork or a larger-capacity fan. The city's standard is: use 4-inch rigid or flexible duct for most residential bathrooms (unless the fan exceeds 150 CFM, in which case 5-inch or 6-inch duct may be required). The ductwork must include a damper (motorized or gravity-operated) to prevent backdraft when the fan is off. For homes with attics, the preferred termination is a roof vent cap with damper; for homes without attics or with limited attic space, a gable-end vent or soffit exhaust termination is acceptable if it includes a damper and does not create a bird/insect entry point. If your bathroom is on the second floor and the attic is unconditioned, the duct must be insulated (minimum R-1) to prevent condensation buildup inside the duct during cold winter months; Temple City's inspectors will specifically look for this if you are located in the foothills areas where temperatures drop below 50 degrees. The city requires the exhaust fan CFM to match the bathroom size: 50 CFM minimum per 5 square feet of floor area per IRC M1505.2(1). A 40-square-foot bathroom requires minimum 400 CFM; a 60-square-foot bathroom requires 600 CFM. If you select a fan rated for only 300 CFM for a 60-square-foot bathroom, the plan will be rejected. Your electrical plan must show the fan location, ductwork routing (size, length, elbows), damper location, and exterior termination point. If the duct run exceeds 25 feet or includes more than four 90-degree elbows, you must either upsize the fan or reduce the run; this is a common source of plan rejections. The electrician will install a dedicated circuit with a proper switch, typically with humidity sensor (automatic shut-off after 20–30 minutes) to prevent continuous operation and unnecessary energy waste.

City of Temple City Building and Safety Division
Temple City City Hall, 9700 Fifth Avenue, Temple City, CA 91780
Phone: (626) 285-2171 (verify current number with city website) | https://templechampermits.azurewebsites.net or Temple City online permit portal (confirm URL with city)
Monday–Friday, 8:00 AM – 5:00 PM (holiday closures apply)

Common questions

Can I pull a bathroom remodel permit as an owner-builder in Temple City?

Yes, you can pull the building permit yourself for structural and cosmetic work (wall removal, framing, drywall, tile) per California Business and Professions Code § 7044. However, any plumbing fixture relocation or new plumbing lines must be performed by a California state-licensed plumber (C-34 or C-36 license); the plumber pulls the plumbing permit in their name. Similarly, any electrical circuit additions or exhaust fan hardwiring must be performed by a licensed electrician (C-10); the electrician pulls the electrical permit. Temple City will not issue a plumbing or electrical permit to an unlicensed owner-builder. If you attempt unpermitted plumbing or electrical work, Temple City will issue a stop-work order and require you to hire a licensed professional to remediate the work and re-pull permits (at 2–3x the original cost).

How long does plan review take for a full bathroom remodel in Temple City?

Standard plan review takes 10–20 business days from submission. If the city issues a plan correction letter (waterproofing detail missing, GFCI protection not shown, exhaust duct not sized, etc.), you must resubmit corrected plans, which adds another 5–10 business days. If your project includes a wall removal, the city may route the plans to a structural engineer for review, adding 2–3 weeks. Expedited review is not available for bathroom remodels in Temple City. Total time from submission to permit issuance: typically 2–4 weeks.

What is the biggest reason bathroom remodel permits get rejected in Temple City?

Inadequate waterproofing specification. The city requires you to name the exact waterproofing product and show installation details (cement board type, membrane brand, fastener spacing, joint sealing). Saying 'waterproof enclosure' or 'tile and caulk' will be rejected. Also common: exhaust fan ductwork not sized for the bathroom square footage (too small a fan for the space) and GFCI/AFCI breakers not shown on the electrical plan. Submit a detailed construction detail drawing for the shower/tub waterproofing assembly with product names and manufacturer installation manual pages, and you will avoid 90% of rejections.

Do I need permits for a bathroom remodel if I am just replacing the tile and vanity but not moving them?

No. Replacing tile, vanity, toilet, or faucet in the same location is classified as maintenance and repair (IRC 3401) and does not require a permit in Temple City. If you are touching plumbing connections or moving any fixture more than a few inches, a permit is required. If you are uncertain, call Temple City Building and Safety at (626) 285-2171 and describe your project; they can confirm whether a permit is needed before you invest in plans.

What happens if the city's inspector finds unpermitted electrical work in my bathroom remodel?

If Temple City discovers that electrical circuits were installed without a permit or by an unlicensed installer, the inspector will issue a notice of violation and stop-work order. You must hire a licensed electrician (C-10) to remediate the work and pull a retroactive electrical permit (often called a 'compliance permit'). Retroactive permits typically cost 2–3x the original permit fee ($300–$600 for a bathroom). The city may impose a civil penalty of $500–$1,500 per violation. If you are selling the home and the title company discovers unpermitted electrical work, the sale will be delayed until the work is permitted; many lenders will refuse to finance the purchase until the work is compliant.

Can I use a flexible duct for the exhaust fan if the run is less than 25 feet?

Yes, flexible duct is permitted for runs up to 25 feet per IRC M1506.2. However, rigid ductwork is preferred because it resists sagging and collapse. Flexible duct must be fully supported (no sagging) and include a backdraft damper. If your duct run exceeds 25 feet or includes more than four 90-degree elbows, you must upgrade to rigid duct or select a higher-capacity fan. Temple City's inspectors will measure your ductwork and verify that it meets these standards; if it does not, they will issue a correction notice.

Do I need a permit for a heated towel rack or LED lighting in a bathroom remodel?

If the heated towel rack or lighting is hardwired to a new circuit, yes, an electrical permit is required. If you are hardwiring it to an existing circuit that already has GFCI protection, the work may not require a separate permit (it depends on whether you are adding a new circuit or just adding a fixture to an existing circuit). Temple City Building and Safety can clarify this on a project-by-project basis. If the heated towel rack is plug-in (operates from an outlet), no permit is required for installation, but the outlet itself must have GFCI protection per NEC 210.8(A).

What is the cost range for a full bathroom remodel permit in Temple City?

Permit costs range from $200 to $800 depending on the scope and estimated project valuation. Temple City charges approximately 1.5–2% of the estimated construction cost as a permit fee, with a minimum of $200. A $30,000 bathroom remodel typically costs $450–$600 in permits; a $50,000 remodel costs $750–$800. If your project is deemed to require re-plan-review due to corrections, add $200–$300 per re-check. Licensed plumber and electrician labor adds $6,000–$10,500 depending on complexity.

Can Temple City require me to seal the bathroom walls before I tile?

Yes. If you are installing a new shower or tub enclosure, Temple City requires waterproofing membrane installation before tile is applied per IRC R702.4.2. The city's inspector will examine the waterproofing at the framing stage (before drywall) and again at the rough plumbing stage (before tile). If you fail to install a proper membrane and proceed to tile, the inspector will issue a correction notice and require you to remove the tile, install the membrane, and re-tile. This is not negotiable and is not a cosmetic choice; it is a code-mandated safety requirement to prevent mold and structural damage.

What is the lead-paint disclosure requirement for a 1970s bathroom remodel in Temple City?

If your home was built before 1978, any disturbance of painted surfaces during a bathroom remodel (stripping old tile, removing drywall, sanding) may release lead dust. California Health and Safety Code § 1755.1 requires that you disclose the potential for lead hazards to occupants. Temple City does not require a separate permit for lead abatement, but you should hire a lead-certified contractor if you are doing extensive renovation work. The contractor should follow EPA RRP Rule guidelines (containment, HEPA filtration, wet cleaning). This is not a building code requirement but a health and safety requirement; non-compliance can result in Environmental Protection Agency fines and liability.

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 Temple City Building Department before starting your project.