Research by DoINeedAPermit Research Team · Updated May 2026
The Short Answer
A full bathroom remodel in Lemoore requires a permit if you're relocating plumbing fixtures, adding electrical circuits, converting a tub to shower, installing a new exhaust fan, or moving walls. Surface-only updates (tile, vanity swap in place, faucet replacement) are exempt.
Lemoore sits in Kings County in the southern San Joaquin Valley, where the city building department applies California Title 24 energy code and the current California Building Code (typically 2022 or 2023 cycle). Unlike some nearby cities that have adopted stricter local amendments for seismic or groundwater concerns, Lemoore's building department takes a straightforward CBC approach — which means you'll file a standard residential alteration permit through the city, and the plan-review cycle tends to run 2-3 weeks for a full bathroom remodel if your scope is clear. The city does not have a separate fast-track or over-the-counter bathroom permit; all full remodels go through the standard plan-check queue. One local quirk: Lemoore's permitting portal is accessed through the city's main website or by in-person visit to city hall; there is no third-party online system like some larger California cities use, so you'll either walk in or call to confirm the current submission method. The city requires a licensed contractor for any plumbing or electrical work (electrical must be done by a licensed electrician per California law), even if you are the owner-builder on the general framing and finish work.

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

Lemoore bathroom remodel permits — the key details

The threshold question in Lemoore is whether your bathroom work triggers a permit. Per California Building Code Chapter 1 (Administration) and aligned with California Building Standards, any alteration that affects the plumbing system, electrical system, or structural framing requires a permit. Specifically, if you're moving a toilet, sink, or tub to a new location — even within the same bathroom — that counts as a plumbing alteration. If you're adding a dedicated 20-amp circuit for a heated floor or towel warmer, that's an electrical alteration. If you're converting a bathtub to a shower (or vice versa), California Building Code Section 3401.4 (Alterations) requires you to show compliance with waterproofing requirements for the new assembly, which triggers a permit. The same applies if you're installing a new exhaust fan or running new ductwork: that's mechanical work. However, if you're simply replacing an existing toilet with a new one in the same location, swapping out a vanity for another of the same footprint, or regrout-tiling a wall without moving studs, those are typically exempt — they count as maintenance or cosmetic work. The best practice: if you're uncertain whether your specific scope needs a permit, call the City of Lemoore Building Department before you start. A five-minute conversation can save thousands in fines or forced removal.

Once you've determined a permit is required, you'll need to file a Residential Alteration Permit with the City of Lemoore Building Department. The application typically includes a description of the work, the valuation (total estimated cost of labor and materials), and a set of plans or sketches. For a full bathroom remodel, even a simple sketch showing fixture locations, drain routing, electrical outlet/switch placement, and the waterproofing assembly (if you're doing a tub-to-shower conversion) is usually sufficient for plan review; you don't need architect-drawn blueprints. The permit fee in Lemoore is based on the valuation — typically 1.5% to 2% of the estimated project cost, so a $15,000 bathroom remodel would incur a permit fee in the $225–$300 range, plus plan-review and inspection fees that may add another $100–$200. The city processes most residential alteration permits in 2-3 weeks if the submittal is complete; if the plans lack required details (e.g., no shower waterproofing system specified, no GFCI notation on the electrical plan, or no exhaust-fan duct termination shown), expect a rejection or request for more information, which delays you another 1-2 weeks.

Code compliance in a Lemoore bathroom remodel hinges on three main systems: plumbing, electrical, and waterproofing. For plumbing, California Plumbing Code (Chapter 4, Drain, Waste & Vent) requires that any new drain line or trap arm meet minimum slope (1/4 inch per foot, no more than 1/2 inch per foot) and that the trap arm does not exceed 6 feet in length (IRC P3103.2). If you're moving a toilet or sink far from the existing stack, the plan must show how you'll route the drain — are you tying into the existing stack, or running a new branch line? If you need a new vent, that must be shown and sized per code tables. For electrical work, California Electrical Code (Chapter 5, Special Occupancies/Equipment) and Title 24 mandate that all bathroom circuits be GFCI-protected; any receptacle within 6 feet of a sink must be on a GFCI circuit breaker or GFCI outlet. If you're adding a heated floor mat or towel warmer, it must be GFCI-protected and on a dedicated circuit. The plan review will flag missing GFCI notation. For waterproofing, California Building Code Section 2509 (Protection of Floors and Walls) requires that any wet area (tub, shower, or steam room) have a water-resistant assembly behind the finish — typically cement board and a waterproof membrane (like RedGard or Schluter), or equivalent. If your plans don't specify the waterproofing system, the city will request clarification. A common mistake is assuming that tile mortar or grout alone provides waterproofing; it does not.

Inspections for a full bathroom remodel in Lemoore typically follow this sequence: rough plumbing (after pipes are run but before they're covered), rough electrical (after circuits and outlets are installed but before drywall), framing inspection (if any walls are moved or openings enlarged), and final inspection (after all finishes are complete and systems are operational). Some inspectors will skip the framing or drywall inspection if the work is minor, but you cannot proceed to final without passing rough plumbing and rough electrical. Scheduling inspections is done via the city's phone line or portal; allow 2-3 business days for the inspector to arrive. If any inspection fails — for example, a drain slope is out of spec or an outlet is not GFCI-protected — you'll be notified of corrections needed, and you'll need to call back for a re-inspection, which adds another week or two to your schedule. Plan your contractor timeline accordingly; do not have the drywall company seal walls before rough plumbing and electrical have been inspected.

Owner-builder work in California is allowed under Business and Professions Code Section 7044, but there's a critical caveat: plumbing and electrical work must be performed by a California-licensed contractor in those trades. You cannot do plumbing or electrical yourself, even if you own the home. You can hire a licensed plumber and licensed electrician, and you can do framing, drywall, tile, and finish work yourself. The permit fee is the same whether you hire a general contractor or manage trades yourself. If you are planning to do the work yourself, you'll still need to pull the permit in your name (as the owner-builder), but you must hire the licensed trades, and those licensed contractors will stamp or sign off on their portions of the work. One final note: if your home was built before 1978, California lead-paint disclosure rules apply; if any paint disturbance is planned (removing trim, doors, or wall finishes), you must notify the buyer or follow lead-safe work practices. This is not directly a building-permit issue, but it's a compliance requirement that can affect your project timeline and cost.

Three Lemoore bathroom remodel (full) scenarios

Scenario A
Vanity swap with new faucet, same location — 1960s ranch in central Lemoore
You're replacing an old pedestal sink with a modern double-sink vanity, but the vanity footprint is nearly identical and you're keeping the existing supply and drain lines in place. You also swap the faucet and add new handles. This is cosmetic work and does not trigger a permit in Lemoore. However, if the new vanity requires running new supply lines (e.g., a different orientation) or if the drain outlet is in a different location, you'll need a permit. In this scenario, the drain and supply are untouched, so no permit. You can purchase the vanity, faucet, and trim kit from any home center; install it yourself (or hire a handyperson for $300–$500 in labor); and you're done within a weekend. No inspections, no city involvement. The only caution: if you encounter an old brass or galvanized drain line, you may want to replace it with modern PVC or copper while you have access, but that still doesn't require a permit as long as you're not extending or relocating the line. Total out-of-pocket: $800–$2,500 for vanity, faucet, and labor, zero permit fees.
No permit required (fixture replacement in place) | Self-install or handyperson labor | Total $800–$2,500 | No inspections needed
Scenario B
Toilet relocation + new exhaust fan duct, 1980s home in south Lemoore
You're moving the toilet from one corner of the bathroom to the opposite wall (a distance of about 8 feet) and installing a new exhaust fan with a roof duct. Moving the toilet means running a new drain line and vent, which is a plumbing alteration. The new exhaust fan requires a mechanical permit. Both trigger a permit in Lemoore. Your scope: a licensed plumber will run the new branch drain and vent line (estimated cost $1,200–$1,800); a licensed electrician will install a new 15-amp circuit and the exhaust fan motor (estimated $600–$900); you or a general contractor will handle framing, drywall, and finish work. Total valuation for permit purposes: $8,000–$10,000 (labor + materials for the whole bathroom renovation around the toilet move). Permit fee: approximately $150–$200. Plan review time: 2-3 weeks. Inspections: rough plumbing (before drywall), rough electrical (before drywall), final (after everything is complete). One local detail specific to Lemoore: the city requires that exhaust fans be ducted to the outside (roof or soffit vent), not into the attic; your plans must show the duct termination location. If plans are unclear, the city will request clarification. Timeline: submit permit (1-2 days), plan review (2-3 weeks), rough inspections (1 week after roughing-in), drywall and finish (2-3 weeks), final inspection (1 week). Total project timeline: 6-8 weeks from permit pull to final sign-off.
Permit required (plumbing + mechanical) | Licensed plumber + electrician required | Exhaust duct termination must be shown on plans | Permit fee $150–$200 | Total project $8,000–$10,000
Scenario C
Tub-to-shower conversion + heated floor, existing drain, new wall framing — 1970s home near downtown Lemoore
You're removing a built-in bathtub and replacing it with a custom tile shower. The drain is already there and you're using the existing plumbing stack, but the new shower requires a waterproofing assembly (cement board + membrane), which is a code-compliance issue. You're also reconfiguring the wall framing slightly to accommodate the new shower pan curb and a bench seat, which involves minor wall relocation. Finally, you're installing a heated floor mat in the shower floor, which requires a dedicated 20-amp GFCI circuit. All three elements — tub-to-shower conversion, wall framing change, and electrical circuit addition — require a permit in Lemoore. Your scope: a licensed plumber will assess the existing drain (and potentially adjust the drain pitch if needed, which is rare but possible); a licensed electrician will install the dedicated circuit for the heated mat; you or a general contractor will handle framing, waterproofing, tile, and finish work. The waterproofing system must be specified on the plans — do not submit plans that just say 'waterproofed per code'; specify 'Schluter-Kerdi membrane' or 'cement board + RedGard' so the inspector knows what to expect. Total valuation: $12,000–$18,000. Permit fee: $200–$280. Plan review: 2-3 weeks (often delayed if waterproofing system is not initially specified; address this upfront to avoid a re-submission). Inspections: rough plumbing (if any drain work is needed; often waived if drain is untouched), rough electrical (after heated mat wiring is in place), framing (to verify wall modifications), drywall, waterproofing (critical — inspector will visually confirm the membrane is applied correctly before tile is set), and final. The waterproofing inspection is a Lemoore-specific point; not all cities perform this level of detail, but Lemoore's building department takes it seriously because bathroom water damage is a common source of claims. Timeline: 8-10 weeks from permit pull to final sign-off. One caution: heated floor mats must be GFCI-protected and installed by a licensed electrician; the mat manufacturer's instructions must be followed exactly, or the electrical inspector will reject the rough inspection.
Permit required (alteration + electrical) | Waterproofing system must be specified (Schluter, RedGard, or equivalent) | Heated floor requires dedicated GFCI circuit | Licensed plumber + electrician required | Permit fee $200–$280 | Total project $12,000–$18,000

Every project is different.

Get your exact answer →
Takes 60 seconds · Personalized to your address

Waterproofing requirements for tub-to-shower conversions in Lemoore

California Building Code Section 2509 (Water-Resistant Construction) is non-negotiable for shower and tub areas. When you convert a bathtub to a shower (or build a new shower in an existing tub footprint), the wall assembly behind the finished tile must include a water-resistant layer. The two most common assemblies are cement board with a waterproof membrane (like Schluter-Kerdi, Wedi, or a liquid-applied membrane such as RedGard) or a plastic-sheet vapor barrier with approved adhesive. The key is that water cannot pass through to the studs; if it does, you'll get mold, rot, and structural damage — exactly the kind of failure that makes insurers and lenders nervous. Lemoore's building inspector will ask to see the waterproofing system specification on your plans before approving the rough-framing inspection.

The most frequent mistake homeowners make is assuming that tile mortar, grout, and tile itself provide waterproofing. They do not. Tile and grout are water-resistant but not waterproof; water will wick through grout joints and eventually reach the substrate. You must have a dedicated waterproof layer behind the tile. If you're hiring a tile contractor, ask explicitly whether they are including a waterproof membrane and what brand/type they plan to use; have them document it on a submittal sheet that you can attach to your permit plans. If the inspector shows up and sees only drywall and tile (no membrane), the rough framing inspection will fail, and you'll need to remove the tile, install the membrane, and re-tile — a costly delay.

Lemoore sits in the southern San Joaquin Valley where humidity is generally low and freeze-thaw cycles are minimal, so some homeowners assume waterproofing is overkill. It's not. Even in a dry climate, a single pipe leak or a grouting flaw can introduce water into the wall cavity, and without a membrane to stop it, that water will stay trapped and cause mold and rot within weeks. The building code exists because the failure mode is invisible and catastrophic. Install the membrane. When you sell the home, you'll have documentation that the work was permitted and inspected, which protects your liability and increases buyer confidence.

Permit fees, timeline, and plan-review quirks in Lemoore

Lemoore's residential alteration permit fee is based on valuation, typically charged at 1.5% to 2% of the estimated project cost. A $10,000 bathroom remodel incurs roughly $150–$200 in permit fees. Add in the city's plan-review fee (often another $100–$150) and inspection fees (roughly $50–$100 per inspection), and your total permitting cost is typically $300–$450. This is relatively modest compared to larger California cities, and Lemoore's building department is generally reasonable about valuation — they don't artificially inflate the estimate if you provide detailed quotes from contractors. However, the city does require that you estimate the cost fairly; undervaluing a project to dodge permit fees is fraud and will result in penalties if discovered.

The plan-review timeline in Lemoore is typically 2-3 weeks for a residential alteration. The city processes applications on a first-come, first-served basis, and there is no expedited track for bathrooms (unlike some larger cities that have fast-track programs). If your submittal is incomplete — for example, you don't specify the waterproofing system, or the electrical plan doesn't show GFCI protection — the city will issue a request for more information (RFI). You'll then have 10 business days to resubmit; if you miss the deadline, your application may be closed and you'll have to re-file. Plan accordingly: submit complete plans the first time, and allow an extra week as a buffer.

One Lemoore-specific quirk: the city's permitting portal is not as robust as those in larger California cities. You cannot submit plans or track permit status online; you must either walk into city hall with paper plans or call the building department to schedule a submittal appointment. This can feel inefficient if you're used to online systems, but it also means the staff may give you phone guidance before you submit, which can save you an RFI. Call ahead, ask about current plan-review turnaround times, and ask whether the inspector has any specific preferences for how to label plans or specify systems. A five-minute conversation can smooth your entire approval process.

City of Lemoore Building Department
Lemoore City Hall, Lemoore, California 93245 (confirm address locally)
Phone: (559) 924-6700 extension for Building Department (verify locally)
Monday-Friday, 8:00 AM - 5:00 PM (typical; confirm with city)

Common questions

Do I need a permit to replace a toilet in the same location?

No. Replacing a toilet with a new one in the same location, using the existing drain and supply lines, is maintenance and does not require a permit in Lemoore. However, if you move the toilet to a new location or discover the existing drain line needs repair during removal, that may trigger a permit. When in doubt, call the city's building department before you start.

Can I do the electrical work myself in my own bathroom?

No. California law requires that all electrical work be performed by a California-licensed electrician. You cannot do electrical work yourself, even as the home owner. You can hire a licensed electrician and supervise the work, or you can manage your own contractors, but the actual electrical installation must be licensed. Unpermitted electrical work can void your homeowner's insurance and create a lien on your home if a contractor claims unpaid wages.

What is the typical cost of a full bathroom remodel permit in Lemoore?

Permit fees in Lemoore are typically $200–$400 for a full bathroom remodel, depending on the estimated project valuation (usually 1.5-2% of the total cost). If the project is valued at $10,000, expect a permit fee of $150–$200. Add plan-review and inspection fees, and total permitting cost is roughly $300–$450. This does not include contractor labor or materials, only the city's fees.

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

Plan review typically takes 2-3 weeks in Lemoore if your plans are complete and clear. If the city issues a request for more information (RFI), add another 1-2 weeks for resubmission and review. Once the permit is approved, you can begin work immediately, but you must schedule inspections before covering up plumbing or electrical work. Total timeline from permit pull to final sign-off is typically 6-10 weeks, depending on contractor availability and whether inspections pass on the first attempt.

Do I need to disclose unpermitted bathroom work when I sell my home in California?

Yes. California's Transfer Disclosure Statement (TDS) requires you to disclose any known unpermitted work. If a buyer discovers unpermitted bathroom work after closing, they can sue for damages or demand rescission of the sale. Some lenders will refuse to finance a home with known unpermitted alterations. If you've already done unpermitted work, you can hire a licensed contractor to pull a permit and bring the work into compliance; this is called 'legalizing' the work. Lemoore's building department can assist with this process.

What is a GFCI outlet, and why do I need one in my bathroom?

A GFCI (Ground Fault Circuit Interrupter) outlet is a special electrical outlet that detects electrical leaks (ground faults) and shuts off power within milliseconds, preventing electrocution. California code requires all bathroom receptacles within 6 feet of a sink or tub to be GFCI-protected, either via a dedicated GFCI circuit breaker in the electrical panel or a GFCI outlet. This is why bathrooms are shock hazards; water and electricity are dangerous together. Your electrician will ensure all bathroom outlets are GFCI-protected during rough-in inspection.

What happens if the inspector finds a code violation during rough plumbing or electrical inspection?

If a violation is found, the inspector will issue a correction notice. You (or your contractor) must fix the violation and call for a re-inspection. Re-inspections typically occur within 3-5 business days. Common violations include drain slope out of spec, missing or undersized vent pipe, electrical circuit not GFCI-protected, or waterproofing system not installed correctly. Fix the issue, document it, and re-submit for inspection. Expect this to delay your project by 1-2 weeks if a violation is found.

If I'm doing a full bathroom remodel, do I need a permit for the tile work itself?

Tile work alone (replacing existing tile with new tile in the same location, no structural or plumbing changes) is exempt from permitting. However, if you're removing a tub and installing a new shower, you need a permit because the waterproofing assembly is a code-compliance issue. If you're installing new tile in an area where there was no previous tile (e.g., a new accent wall), you still don't need a permit for the tile itself, but if that wall involves any plumbing, electrical, or structural work, the whole project needs a permit.

Does Lemoore require a specific brand of waterproofing membrane for showers?

No. Lemoore building code does not mandate a specific brand or product, only that the waterproofing system be compliant with California Building Code Section 2509. Common products include Schluter-Kerdi, Wedi, RedGard, and liquid-applied membranes from approved manufacturers. Whatever system you choose, it must be installed per the manufacturer's instructions, and your plans should identify the product by name so the inspector knows what to expect. If you leave the waterproofing system blank on your plans, the city will request clarification before approving the rough inspection.

Can I pull a bathroom permit as an owner-builder in Lemoore, or do I need to hire a general contractor?

You can pull a residential alteration permit as an owner-builder in Lemoore, but California law requires that plumbing and electrical work be performed by licensed contractors in those trades. You can hire a licensed plumber and licensed electrician to perform their portions of the work, and you can do framing, drywall, tile, and finish work yourself. The permit fee is the same either way. If you are planning a full bathroom remodel and you have no plumbing or electrical experience, hiring a general contractor may be simpler, but it's not required by Lemoore law.

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 Lemoore Building Department before starting your project.