Research by DoINeedAPermit Research Team · Updated May 2026
The Short Answer
A full bathroom remodel in Matthews requires a permit if you're relocating fixtures, adding electrical circuits, installing a new exhaust fan, converting tub to shower, or moving walls. Surface-only work — tile, vanity swap in place, faucet replacement — is exempt.
Matthews uses the North Carolina State Building Code (based on 2015 IBC/IRC), and the City of Matthews Building Department enforces it with a notably streamlined online permit portal that allows single-counter plan review for most residential interior work under $50,000. This is faster than many peer cities in Mecklenburg County — you can submit digital drawings and get a preliminary response within 2-3 business days without a site visit. However, Matthews' interpretation of 'interior remodel' versus 'renovation requiring full compliance' is stricter than some neighboring jurisdictions (e.g., Charlotte) because the city requires documented verification that existing conditions meet current code before issuing a permit, even if you're only touching one fixture — meaning you'll need proof your existing vent stack, drain configuration, and GFCI circuit meet 2015 IRC before approval. The city also enforces Lead-Safe Work Practices on any pre-1978 bathroom (common in Matthews' older residential stock around downtown and Mint Hill), which adds 1-2 weeks to permitting if lead dust is a factor. Fees run $200–$500 for a simple fixture swap, $500–$800 for a gut with new layout, based on 1.5% of project valuation.

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

Matthews bathroom remodel permits — the key details

The practical next step is to contact the City of Matthews Building Department with a brief project description (fixture count, any wall removal, exhaust fan scope) and confirm current permit fees and submission process. The department's website lists contact information and often includes a downloadable permit application checklist specific to bathroom remodels. You'll need to submit: (1) a floor plan showing existing and proposed fixture locations to scale, (2) a plumbing isometric or single-line diagram showing all drain and supply lines, trap locations, and vent configuration, (3) an electrical plan showing GFCI outlets, any new circuits, and light/exhaust fan locations, (4) material specifications (flooring, tile, waterproofing system, faucet brand/model, exhaust fan CFM rating), and (5) proof of contractor licensure if you're hiring trades. If walls are moving, include framing details or a reference to a structural engineer's plan. The city prefers PDF submissions via its online portal; in-person counter service is available Mon-Fri 8 AM-5 PM but subject to appointment availability. Once submitted, plan on 2-5 weeks to permit issuance, with one revision cycle likely if waterproofing or drainage details need clarification. Inspections typically occur at rough plumbing/electrical, waterproofing, and final; expect 3-4 inspector visits over 4-8 weeks of construction.

Three Matthews bathroom remodel (full) scenarios

Scenario A
Tile and vanity swap in-place, downtown Matthews 1950s bungalow
You're replacing an existing vanity with a new one in the same footprint, same supply and drain connections, and re-tiling the floor and one wall behind the vanity with new subway tile and grout. No fixtures are moving, no new electrical circuits are being added, no exhaust fan is being touched, and no walls are being removed. This is surface-only cosmetic work and does not require a permit in Matthews. However, if the original tile backing is unknown or deteriorated, you should still verify that the wall assembly behind the new tile meets moisture barrier requirements (cement board or water-resistant drywall) — if the old plaster is crumbling, you'll end up removing it and replacing with compliant backing, which then triggers a permit because you're changing the structural system. Assuming the backing is sound, this project is permit-exempt. Material costs run $1,500–$3,000 (vanity, tile, labor), zero permit fees. You do not need inspector sign-off. Timeline is 1-2 weeks of work.
No permit required (surface-only work) | Vanity + tile in existing locations | Existing backing verified sound | Total $1,500–$3,000 | No permit fees
Scenario B
Tub-to-shower conversion with new drain relocation, Mint Hill area, pre-1978 home
You're removing the existing bathtub, capping the old drain, and installing a new walk-in shower 3 feet away with a new floor drain and P-trap. The shower will be tiled on all four walls and floor with a cement-board backing and liquid waterproofing membrane. Your home was built in 1965, so Lead-Safe Work Practices apply. This project requires a full permit because: (1) the drain is being relocated (IRC P2706 violation if trap arm exceeds 45 degrees or if new location violates vent stack proximity), (2) the waterproofing assembly is changing from bathtub surround (minimal backing) to full shower enclosure (full cement board + membrane system), and (3) the drain relocation requires inspection before concrete is poured and before tile is set. Submit a permit application with a floor plan showing the new drain location relative to the existing vent stack, a plumbing isometric showing the new P-trap arm angle and vent configuration, an electrical plan (assuming the existing exhaust fan is adequate at 50+ CFM and no new circuits are needed), material specifications (cement board brand, membrane type, drain pan detail), and a lead-safe work plan (containment, clearance testing). Matthews' Building Department will likely flag the drain trap-arm angle if it exceeds code and request a revision showing how the angle is managed (riser, offset fitting, or relocation of the vent stack). Expect a rejection cycle if trap-arm details are missing. Lead clearance testing will be required at final inspection ($400–$600 for a certified lab). Permit fee is $500–$700 based on estimated project valuation ($12,000–$18,000). Inspections: rough plumbing (before concrete), waterproofing (before tile), electrical (if any new circuits), and final (post-testing). Timeline 4-6 weeks.
Permit required (drain relocation + waterproofing system change) | Tub-to-shower conversion | Lead-safe work required (pre-1978) | Trap-arm angle documentation mandatory | $500–$700 permit fee | Lead clearance test $400–$600
Scenario C
Full gut with dual-sink vanity, new exhaust duct, new 240V circuit for heated floor, recent 1998 home in Stallings
You're gutting the entire bathroom: removing the existing vanity, toilet, tub, and all fixtures. Installing a new 5-foot dual-sink vanity (1 foot further from the old vanity location), a new toilet in a slightly different spot, and a new walk-in shower with a standing bench. Adding a new exhaust fan with an 8-inch duct routed through the attic to a soffit outlet. Installing heated tile flooring, which requires a new 240V 20-amp circuit from the panel, a thermostat, and a floor mat. This is a comprehensive remodel and triggers permits on multiple fronts: fixture relocation (vanity, toilet, drains), new electrical circuit (240V for heated floor), new exhaust duct (must be documented with termination detail), and waterproofing system (new shower enclosure). The city will require a full permit with floor plan, plumbing isometric showing new drain locations and trap-arm angles, electrical plan showing the 240V circuit, GFCI protection on all bath circuits, heated floor control wiring, exhaust fan CFM and duct routing, waterproofing specification (cement board + membrane), and any wall-framing details if studs are being moved. Since the home is post-1978, Lead-Safe Work Practices do not apply, but asbestos survey is recommended for homes in that era if any HVAC or insulation is disturbed. The building inspector will require rough plumbing inspection (before walls are closed), rough electrical inspection (before drywall), waterproofing inspection (before tile), and final. Permit fee is $600–$800 based on an estimated project valuation of $18,000–$25,000. Electrical subpermit may be required separately if the 240V circuit is deemed a major addition (check with the city — many include it in the combined building permit). Timeline 3-5 weeks for permit review, 6-10 weeks for full construction with inspections.
Permit required (fixture relocation, new circuit, exhaust duct, waterproofing) | Full gut remodel | Dual-sink vanity, new drain layout | 240V heated-floor circuit | 8-inch exhaust duct to soffit | $600–$800 permit fee | 4 inspections required

Every project is different.

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Waterproofing and drain configuration — the two biggest Matthews bathroom remodel rejections

Lead-Safe Work Practices in Matthews apply to any bathroom in a home built before 1978, which includes the vast majority of Matthews' older housing stock in downtown, Mint Hill, and surrounding neighborhoods. If your home is pre-1978 and you're doing any demolition (removing old tile, drywall, fixtures), the contractor must be lead-certified and follow containment and clearance protocols. The city will not issue a final permit sign-off without a clearance letter from a certified lab showing lead dust levels are below EPA thresholds. This is non-negotiable and adds 1-2 weeks and $400–$600 to the project timeline and cost. Many contractors bid low and then discover lead requirements during permit review, leading to change orders. If your home is pre-1978, disclose this upfront to your contractor and ask for a lead-certified crew and clearance testing estimate before signing.

Electrical and exhaust ventilation — GFCI, AFCI, and duct termination in Matthews' climate

Matthews does not enforce arc-fault circuit interrupters (AFCI) on bathroom circuits in residential applications to the extent some other jurisdictions do, but North Carolina state code is trending toward AFCI on all bedroom and kitchen circuits, and some newer Matthews homes are already built to that standard. If your electrical panel is being upgraded or if you're adding a new bathroom (vs. remodeling an existing one), ask your electrician whether AFCI breakers are recommended or required. For a remodel of an existing bathroom, GFCI is the primary concern and typically sufficient. However, if you're replacing the entire bathroom branch circuit wiring, running new Romex to new outlets, the electrical inspector may require AFCI protection on the new circuit. Ask the city's building official during your pre-submission review if AFCI is expected for your specific project scope.

City of Matthews Building Department
Matthews City Hall, Matthews, NC (contact city for specific building department location and mailing address)
Phone: (704) 847-3400 or check Matthews city website for building department direct line | https://www.ci.matthews.nc.us/ (search 'permits' or 'building permits' for online portal and application forms)
Monday-Friday, 8:00 AM - 5:00 PM (verify locally for permit counter hours)

Common questions

Do I need a permit if I'm just replacing my toilet and vanity in the same locations?

No, provided you're not modifying the water supply or drain lines. Replacing fixtures in-place — toilet, vanity, faucet, towel bars — is considered normal maintenance and exempt from permitting in Matthews. However, if the existing drain or supply lines are damaged or leaking during removal and require relocation or repair, that triggers a permit. To be safe, ask your plumber before starting work whether the existing connections will support the new fixture in the same location. If you discover during demo that the drains need relocation, stop work and contact the building department for guidance on whether a permit is required.

My home was built in 1975. Do I have to do lead-safe work if I remodel my bathroom?

Yes. Any pre-1978 home requires Lead-Safe Work Practices for any renovation, repair, or demolition that disturbs lead-painted surfaces or generates dust. In a bathroom remodel, demo of tile, drywall, or painted trim triggers lead protocols. Your contractor must be lead-certified (NC Department of Health and Human Services or EPA-approved) and follow containment and clearance procedures. Clearance testing by a certified lab is required at project completion before you get a final permit sign-off. Cost is typically $400–$600 for testing. Non-compliance can result in EPA fines of $16,000+ per violation and home buyers can sue for lead-related damages. Do not skip this.

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

Standard turnaround is 2-5 weeks from submission to permit issuance, assuming no rejections or missing information. Simple projects (fixture swap, new exhaust fan) often clear in 1-2 weeks. Complex projects (full gut, multiple fixture relocations, new electrical circuits) may take 3-5 weeks. If the plan is incomplete or violates code (e.g., missing waterproofing detail, drain trap-arm angle not shown), Matthews' building department will issue a rejection notice, and you'll have 30 days to resubmit. A resubmission resets the review clock, typically adding 1-2 weeks. Pre-submission consultations (email sketches to the building department for informal feedback) can prevent rejections and save time.

Can I pull my own bathroom remodel permit if I'm the homeowner?

Yes, in Matthews. Owner-builders can pull permits for work on owner-occupied single-family homes without a contractor license. However, if you hire contractors (plumber, electrician), those trades must be licensed in North Carolina and have valid licenses on file with Matthews. The permit remains in your name as the property owner, but licensed contractors must sign off on their respective scopes of work. If you're doing 100% of the work yourself, you can pull the permit, but you'll still need to pass inspections, and inspectors expect workmanship to meet code. Most homeowners hire at least an electrician and plumber for safety and code compliance reasons.

What's the difference between a tub-to-shower conversion and a tub replacement in Matthews?

A tub replacement (removing the old tub and installing a new one in the same location with the same drain and supply lines) is typically exempt from permitting. A tub-to-shower conversion (removing the tub, capping the old drain, and installing a new shower with a new floor drain) requires a permit because: (1) the drain is being relocated, (2) the waterproofing assembly changes from minimal backing to a full cement-board + membrane system, and (3) code inspection is required before concrete and tile are installed. If you're unsure whether your project is a conversion or replacement, describe it to the building department (email or phone) and they'll confirm. Assuming the shower will have a new drain location, plan on a permit.

Do I need a permit to add a new exhaust fan or replace an existing one in my bathroom?

Replacing an existing exhaust fan with a new one in the same location and with the same duct routing is typically exempt from permitting, provided the new fan's CFM rating is 50 CFM or greater (code minimum). Adding a new exhaust fan where none existed, relocating the duct, or changing the termination location (e.g., from one soffit to another) requires a permit because the city needs to verify the duct is properly insulated and terminated to the exterior. If you're unsure whether a replacement triggers a permit, contact Matthews Building Department and describe the scope — they'll give you a definitive answer.

What happens at the rough plumbing inspection in Matthews?

The rough plumbing inspector visits after all drain and supply lines are installed (before drywall or tile). The inspector checks: (1) all P-traps are properly vented, (2) trap-arm angles meet code (45 degrees or less if longer than 3 feet), (3) branch drains have correct slope (1/4 inch per foot minimum), (4) all joints are properly fitted and supported, and (5) relocated drains do not violate proximity to vent stacks. The inspector often uses an isometric plan provided with your permit to verify the installation matches the approved design. If the installation does not match the plan or violates code, the inspector will issue a correction notice and you'll need to fix it and call for a re-inspection (typically 2-3 days later). Once rough plumbing passes, the inspector will mark the permit card and you can proceed to drywall and waterproofing.

What's the cost of a full bathroom remodel permit in Matthews?

Permit fees in Matthews are based on 1.5% of the declared project valuation. A bathroom remodel with fixture relocation, new electrical, and exhaust fan typically values $12,000–$25,000, resulting in permit fees of $200–$400. Add $65–$100 for plan review if the city charges separately. There is no separate electrical or plumbing permit within the city limits for residential interior work under $50,000 valuation — all fees roll into the combined building permit. If your project exceeds $50,000 valuation, check with the city on whether additional permitting (mechanical, energy code compliance) is required.

I want to relocate my vanity to the opposite wall. What do I need to show on my permit plan?

You need to submit a floor plan showing the existing vanity location and the new location, with dimensions and a clear label of the change. You also need a plumbing isometric (single-line diagram) showing the old drain location, the new drain location, the P-trap, the trap-arm angle (labeled in degrees), the distance from the vent stack, and any changes to the water supply lines. If the new drain location is more than 8-10 feet from the existing vent stack, the inspector may flag a vent problem and require a redesign. Include this isometric in your permit application before submission to avoid a rejection cycle. A licensed plumber should prepare the isometric to ensure code compliance; this typically costs $200–$400 and is well worth the investment to prevent rework.

My contractor says we don't need a permit because it's just interior cosmetic work. Is that true?

No, if any of the following apply: fixtures are being relocated, new electrical circuits are being added, an exhaust fan or duct is being installed or modified, walls are being moved, or the waterproofing system is changing (tub-to-shower conversion, new shower enclosure). If the contractor is advising you to skip a permit for work that falls into these categories, find a different contractor. Unpermitted work can result in stop-work orders ($500 per day), insurance denial on water damage claims, resale disclosure liability ($3,000–$8,000 buyer credit), and lien attachment. Matthews Building Department actively enforces this through resale inspections and contractor complaints. The permit fee ($200–$400) is cheap insurance compared to the cost of rework or fines.

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 Matthews Building Department before starting your project.