Research by DoINeedAPermit Research Team · Updated May 2026
The Short Answer
A full bathroom remodel in Big Spring requires a permit if you are moving plumbing fixtures, adding electrical circuits, installing a new exhaust fan, converting a tub to shower, or moving walls. Surface-only work (tile, vanity swap in place, faucet replacement) is exempt.
Big Spring Building Department enforces the International Residential Code (IRC) and Texas Property Code with minimal local amendments — meaning the code is relatively straightforward, but enforcement is consistent and inspectors expect clean paperwork. Unlike some Texas cities that have adopted wildly different amendment editions or offer 'owner-builder pass' exemptions for interior work, Big Spring applies the same permit threshold to all bathroom remodels: if the scope touches plumbing layout, electrical load, or structural wall framing, you must pull a permit before starting. The city does NOT have a separate 'cosmetic permit' track for bathroom work, so don't assume your tile-and-paint project is exempt if you're also replacing the toilet in a different location — that fixture move triggers the full permit. Owner-occupants can pull their own permits under Texas Property Code §92.0061, but Big Spring Building Department still requires you to file plans (even simple handdrawn layouts are acceptable for basic scopes) and pass rough and final inspections. Permits typically cost $250–$600 depending on valuation, and plan review takes 5–10 business days for straightforward remodels (longer if waterproofing details are missing).

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

Big Spring bathroom remodel permits — the key details

The core rule in Big Spring is simple: any work that changes plumbing layout, electrical load, or waterproofing assembly requires a permit. This is not a Big Spring invention — it's the International Residential Code (IRC) applied statewide in Texas — but Big Spring Building Department applies it consistently and does not grant broad exemptions for owner-occupants doing interior cosmetic work. If your bathroom remodel involves moving a toilet or vanity to a new location, adding a second outlet or exhaust fan circuit, or converting a bathtub to a walk-in shower, you must file a permit application with the City of Big Spring Building Department before you begin. The application fee is typically $250–$600 depending on the estimated valuation of the work (usually 1–1.5% of the project cost). You can file in person at Big Spring City Hall or via the city's online permit portal if available; confirm current hours and portal access by calling the Building Department directly. Plan review typically takes 5–10 business days for a straightforward remodel; more complex scopes (multi-fixture relocations, plumbing under slab, significant electrical work) may take 2–3 weeks. Big Spring does not require stamped architectural or engineering plans for typical bathroom remodels — a clear handdrawn layout showing fixture locations, duct terminations, and waterproofing system is usually sufficient.

Plumbing fixture relocation is the most common permit trigger. IRC Section P2706 governs drainage fittings and trap configuration; when you move a toilet, sink, or shower to a new location, the trap-arm length (the horizontal distance from the fixture outlet to the main vent stack) cannot exceed 6 feet without a secondary vent or additional slope adjustments. Many homeowners and contractors miss this: a toilet 8 feet away from the existing vent stack requires either a new vent line or a longer, sloped drain branch — both require permits and inspection. If your remodel involves only replacing the vanity, toilet, or faucet in the exact same location, no permit is needed. But if the toilet moves even 2 feet to a new wall, or the sink shifts to accommodate a wider vanity, a plumbing permit is required. Big Spring Building Department inspectors will verify trap slopes, vent sizing, and compliance with P2706 at rough-plumbing inspection; common rejections include traps that are too close to the vent (air-lock risk) and trap arms that exceed the 6-foot limit without secondary venting.

Electrical work in bathroom remodels triggers both permit and specific code requirements. IRC Section E3902 mandates GFCI (ground-fault circuit-interrupter) protection for all bathroom outlets — including those serving the vanity, exhaust fan, and any additional outlets. If your remodel adds any new circuit (for heated floors, a second vanity outlet, or a larger exhaust fan), you must file an electrical permit and show the circuit load, wire gauge, breaker size, and GFCI configuration on your application. Exhaust fans also require attention: IRC Section M1505 requires exhaust fans to duct moisture outside (not into the attic) with a damper to prevent cold-air backflow. The duct must be sized to the fan CFM rating (typically 50–100 CFM for a standard bathroom) and terminated at least 12 inches from soffit vents or windows. If your remodel installs a new exhaust fan or reroutes existing ductwork, you must show duct diameter, termination location, and damper details on your permit application. Rough electrical inspection happens before drywall closes in; final electrical inspection happens after all outlets are installed and the fan is operational.

Waterproofing is the second-most-common rejection point in Big Spring bathroom permits. Any conversion from bathtub to shower or any new shower enclosure requires a waterproofing assembly that meets IRC Section R702.4.2. The standard approved assembly in most jurisdictions is cement board (not drywall) with a waterproof membrane (fluid-applied or sheet membrane). Some inspectors accept Schluter systems or PVC liners as alternatives, but the application must clearly specify the system — vague language like 'standard waterproofing' will be rejected. If your remodel includes a tub-to-shower conversion, your permit drawing must show the waterproofing material, the area of coverage (typically floor plus 6 inches up the wall minimum), and the membrane brand/spec. Inspectors will examine the assembly at rough-framing inspection before tile or finishing materials are applied. If waterproofing details are missing or ambiguous, the city will issue a correction notice and you cannot proceed to finish work until the detail is clarified and re-inspected.

Big Spring's permit process is straightforward but rigid on documentation. Owner-occupants can pull their own permits under Texas Property Code §92.0061, meaning you don't need a licensed contractor to file, but you do need to sign the application as the property owner and be prepared to be listed as the responsible party during inspections. The city requires a completed permit application (Form 'Application for Building Permit' or equivalent), a site plan showing the property address and lot boundaries, and a floor plan or sketch showing the existing bathroom layout and proposed changes (fixture locations, duct runs, electrical outlet placement). Handdrawn sketches are acceptable as long as dimensions and material specs are clear. Do not expect quick turnaround for permits with missing details — resubmissions add 5–10 days each. Once approved, your permit is valid for 180 days; if work is not substantially complete by that deadline, you must request an extension or re-pull. Inspections are scheduled by calling the Building Department after roughing-in is complete (plumbing and electrical rough). Final inspection happens after all finish work is done and systems are operational.

Three Big Spring bathroom remodel (full) scenarios

Scenario A
Vanity and tile swap in existing bathroom, same fixture locations — central Big Spring
You are replacing the existing 30-inch vanity with a new 36-inch vanity, re-tiling the shower surround with new ceramic tile over existing drywall, and swapping the faucet and showerhead — all in the same locations. The toilet, tub, and drain lines do not move. This work is NOT a permit trigger because you are not relocating any plumbing fixtures, not changing the drainage layout, and not altering the structural or electrical load. Tile removal and replacement over existing substrate does not require waterproofing re-certification if the underlying structure is sound. You can proceed without filing a permit; however, if your home was built before 1978, you should obtain a lead-paint inspection certificate before disturbing painted surfaces (Texas Property Code §207.003 applies statewide, though Big Spring does not issue separate lead permits — the requirement is federal). Material cost is approximately $3,000–$5,000 for vanity, tile, fixtures, and labor. Timeline is 2–4 weeks depending on tile complexity and drying times. No permit means no inspection fees, no plan review delays, and no documentation required.
No permit required (fixture relocation) | No electrical work | Standard tile over existing drywall OK | Total project $3,000–$5,000 | No permit fees
Scenario B
Toilet relocation 6 feet east wall, new vent line required, plus exhaust fan upgrade — Heights neighborhood
Your existing toilet is on the north wall, 8 feet from the main vent stack (which is in the corner). You want to relocate it to the east wall, only 4 feet from the vent stack, which allows a direct drain line without secondary venting. However, you are also adding a new 80-CFM exhaust fan with ductwork running to the soffit, and upgrading the electrical circuit to a dedicated 20-amp GFCI outlet. This requires a full plumbing permit plus an electrical permit. Your permit application must include: (1) a floor plan showing old and new toilet locations, trap-arm run, and vent-stack location; (2) duct routing for the exhaust fan with 4-inch diameter minimum, termination point at soffit with damper; (3) electrical plan showing new 20-amp circuit, GFCI outlet, and fan disconnect location. Plan review takes 7–10 business days. Rough plumbing inspection happens after the toilet drain is roughed (before concealing the line); rough electrical inspection follows; final inspection occurs after drywall, tile, and fan installation. Permit fee is approximately $350–$450 depending on valuation. Common rejection: if the exhaust fan duct runs into the attic instead of exiting to the exterior, the city will issue a correction notice. Timeline is 4–6 weeks total (plan review + rough + final + finish work).
Permit required (fixture relocation, new circuit) | Plumbing and electrical permits $350–$450 | Vent-line slope must meet IRC P3101 | GFCI outlet required per NEC 210.52 | Exhaust fan duct to exterior + damper | Total project $6,000–$9,000
Scenario C
Bathtub-to-shower conversion with cement-board waterproofing, existing wall framing kept, new drain valve — south Big Spring
Your 5-foot by 8-foot bathroom has an alcove tub that you want to convert to a walk-in shower. You are demolishing the tub, keeping the existing drain (which will serve the new shower base), and installing a new drain-pan with cement board and a fluid-applied waterproof membrane covering the floor and 8 inches up the walls. The existing drain valve (mixing valve) is being replaced with a new pressure-balanced valve to prevent scalding. No walls are being moved, and the exhaust fan is not changing. This requires a permit because the waterproofing assembly is new and must be inspected per IRC R702.4.2. Your application must include: (1) floor plan showing shower layout and drain location; (2) a cross-section or detail drawing showing the waterproofing assembly (cement board + membrane brand, e.g., Schluter Kerdi or equivalent); (3) drain-valve spec (pressure-balanced, manufacturer, model). Plan review is 5–7 days. Rough inspection happens after cement board and membrane are installed but before tile; the inspector will examine sealing at corners, penetrations, and the bond to the substrate. If the membrane is not properly adhered or has gaps, the city will reject and require re-work. Final inspection occurs after tile grouting. The conversion does NOT require a plumbing-line relocation permit (the drain stays in place) and does NOT require electrical work, so no electrical permit is needed. Permit fee is $250–$350. Total project cost is $4,000–$7,000 including demo, cement board, membrane, tile, valve, and labor. Timeline is 3–4 weeks.
Permit required (waterproofing assembly) | Plumbing permit $250–$350 | Pressure-balanced valve required (anti-scald) | Cement board + fluid membrane (Schluter/TileCare/equivalent) | IRC R702.4.2 rough inspection required | Total project $4,000–$7,000

Every project is different.

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

Texas Property Code owner-builder rules and Big Spring's enforcement

Texas Property Code Section 92.0061 allows owner-occupants to pull building permits for work on single-family homes they own and occupy without being licensed contractors. Big Spring Building Department honors this rule, which means you can file a bathroom remodel permit in your own name as the property owner and serve as the contractor-of-record for inspections. However, this does NOT exempt you from filing a permit or passing inspections — it only eliminates the contractor-license requirement. You still must pull the permit, pay the fee, submit plans, and schedule inspections. The owner-builder exemption is valuable if you plan to do the work yourself or hire unlicensed handypersons; it becomes less relevant if you hire a licensed plumber or electrician (who will likely want to pull their own permits anyway for liability). One nuance: if you hire a licensed electrician or plumber for portions of the work, Big Spring may require that trade's permit to be in their name, not yours. Confirm with the Building Department before you sign a contract.

The federal lead-paint disclosure requirement (if the home was built before 1978) also applies: you must provide any contractor or purchaser with a lead-hazard disclosure form before work begins or the home is sold. Big Spring does not issue separate lead permits, but the requirement is enforceable by the EPA and HUD, and a lack of disclosure can nullify your contract or expose you to fines. If you are remodeling a pre-1978 bathroom, hire a certified lead inspector if you plan to disturb painted surfaces; certified lead contractors will encapsulate or remove lead-painted materials per EPA guidelines (RRP Rule). This cost is typically $500–$1,500 on top of your remodel budget, but it is legally required and insurance carriers may deny claims if lead containment is not documented.

Big Spring's permit-fee calculation is straightforward: fees are based on estimated valuation (typically 1–1.5% of the total project cost). A $5,000 bathroom remodel pays roughly $75–$100 in base permit fees, plus additional plan-review or inspection fees if rejections occur. The city publishes a fee schedule; request it from the Building Department or check the online portal. Unlike some Texas cities that charge per-trade fees (separate plumbing, electrical, mechanical fees), Big Spring charges a single permit fee for the entire project. If you skip a permit, the retroactive permit (pulled after the fact) typically costs double the original fee, plus potential fines and re-inspection charges — totaling $500–$1,500 or more depending on the scope.

Waterproofing, exhaust venting, and Big Spring's most common permit rejections

Waterproofing is the single biggest rejection driver in bathroom remodel permits across Texas, and Big Spring is no exception. IRC Section R702.4.2 requires a moisture barrier behind all shower and tub walls, with particular scrutiny on the floor assembly. The approved approach in most Big Spring plans is a moisture-resistant base layer (cement board, not drywall) plus a waterproof membrane (fluid-applied, sheet, or closed-system like Schluter). Inspectors will reject vague language like 'waterproof drywall' or 'standard waterproofing membrane' — you must specify the product. A common shortcut homeowners attempt is using regular drywall plus spray sealant instead of cement board; this will fail inspection. If your application does not include a waterproofing detail or material spec, expect a correction notice requiring resubmission. If you submit plans without the detail, the city will typically issue a conditional approval stating 'waterproofing detail required at rough inspection' — meaning the inspector will examine the assembly in person and reject if it does not meet code. To avoid delays, include a one-paragraph spec in your permit narrative: 'Shower enclosure will be lined with 1/2-inch cement board on framing, sealed with Schluter Kerdi sheet membrane (or equivalent closed-system waterproofing), floor to 6 inches above floor elevation.' This level of detail is sufficient for Big Spring plan review.

Exhaust venting is the second-most-common rejection because homeowners and contractors often duct exhaust fans into the attic instead of to the exterior. IRC Section M1505.4 explicitly forbids venting into an attic, crawl space, or any unconditioned area. The duct must run to the exterior of the home with a damper to prevent backflow. In Big Spring's climate (zone 2A central), cold winters are mild but condensation is still a concern; a damper is essential to prevent humid air from backflowing into the home in winter. If your remodel includes a new exhaust fan or reroutes existing ductwork, your permit application must show the duct diameter (typically 4 inches minimum for 50–100 CFM fans), the run length, the termination location (soffit, roof, wall penetration), and the damper type. Inspectors will verify this at rough inspection before drywall closes. A second detail often missed: if the duct run is long (more than 25 feet) or includes multiple bends, the fan CFM rating must be increased to compensate for static pressure loss. Most homeowners and many contractors ignore this, resulting in poor ventilation and mold growth. Request the manufacturer's CFM-vs.-duct-length chart and show compliance on your permit.

Electrical details for bathroom outlets are straightforward but must be explicit. IRC Section E3902 requires all bathroom receptacles to be GFCI-protected (ground-fault circuit interrupter). If your remodel adds any outlet, that outlet must be GFCI or fed by a GFCI breaker. Many older bathrooms have only one outlet (often the vanity light outlet), and homeowners remodeling often add a second outlet for a heated towel rack or additional vanity counter space. Each new outlet must be GFCI. Your permit application must list each outlet location, the circuit breaker assignment, and the GFCI method (outlet-type GFCI vs. breaker-type). Inspectors will verify at rough and final inspection that GFCI outlets are properly installed and tested. A common mistake: installing a standard outlet instead of GFCI, then adding a GFCI breaker — this is code-compliant but creates redundancy and can confuse future occupants. Clarify the approach in your application to avoid inspection disputes.

City of Big Spring Building Department
Big Spring City Hall, Big Spring, TX 79720 (confirm exact address and suite number with the city)
Phone: Contact Big Spring City Hall main line and request Building Department permit desk | Check the City of Big Spring website (www.bigspringtexas.gov) for online permit portal availability; many Texas cities now offer ePermitting platforms
Monday–Friday, 8 AM–5 PM (Central Time); closed weekends and City of Big Spring holidays

Common questions

Do I need a permit to replace my bathroom sink and faucet?

No, not if the sink and faucet are installed in the same location as the original. If you are moving the sink to a new wall or significantly relocating the drain line, a plumbing permit is required. A simple faucet swap with new supply lines run in the same wall cavity does not require a permit. If in doubt, call the Building Department and describe your scope.

Can I convert my bathtub to a shower without a permit?

No. A tub-to-shower conversion requires a permit because the waterproofing assembly changes. IRC Section R702.4.2 mandates that a new shower enclosure include a certified waterproofing system (cement board plus membrane). An inspector must examine the assembly at rough-in stage. Attempting this work without a permit is a common violation and will trigger a stop-work order if discovered.

What if I add heated floors or towel warmers — do they need permits?

Heated floors or electric towel warmers require a permit if they involve new electrical circuits or outlets. These devices must be on GFCI-protected circuits per NEC 210.52. If you plug a towel warmer into an existing GFCI outlet, no permit is required. If you are running a new 240V circuit for radiant floor heating, a full electrical permit is required, including rough and final inspection.

How long does a bathroom remodel permit typically take in Big Spring?

Plan review takes 5–10 business days for straightforward remodels (fixture swaps, tile, paint). Inspection turnaround is typically 2–3 days after you call to schedule. Total project timeline is usually 3–5 weeks from permit approval to final sign-off, depending on the scope and any rejections. Complex scopes (multiple fixture relocations, plumbing under slab) may take 6–8 weeks.

If I hire a licensed plumber, do I still need to pull the permit myself?

No. If you hire a licensed plumber, they will typically pull the plumbing permit in their name. If you hire a licensed electrician, they will pull the electrical permit. However, if you are also doing non-trade work (tile, finishes, or general construction), you may need to pull a general construction permit as the property owner. Clarify with the plumber/electrician and the Building Department before work begins to avoid overlapping or missing permits.

What happens at the rough and final plumbing inspection?

Rough plumbing inspection happens after all drain and supply lines are installed but before walls are closed. The inspector examines trap slopes, vent sizing, trap-arm length, and compliance with IRC Section P2706. At final inspection (after all finish work and fixtures are installed), the inspector tests water pressure, checks for leaks, and verifies that the toilet, sink, and other fixtures are functioning. Both inspections are required before the permit is closed.

Can I use drywall instead of cement board in my shower?

No. IRC Section R702.4.2 requires moisture-resistant base layers in wet areas. Drywall (even moisture-resistant drywall) is not sufficient; you must use cement board, fiber cement board, or an equivalent moisture-resistant material. Drywall plus sealant will fail inspection. Cement board is inexpensive (roughly $1–$2 per square foot) and is the standard approach in Big Spring.

Do I need a separate permit for cosmetic work like paint and light fixtures?

No. Paint and replacement light fixtures do not require permits. However, if you are installing a new exhaust fan, vanity lighting with a new circuit, or heated mirrors, an electrical permit may be required. The distinction is whether you are adding new electrical load or outlets; if you are swapping fixtures in existing boxes, no permit is needed.

What if my house was built before 1978 — are there extra requirements?

Yes. The federal lead-paint rule (RRP Rule, enforced by EPA and HUD) requires disclosure of lead hazards if the home was built before 1978. You must provide a lead disclosure form to any contractor or buyer before work begins. If you disturb painted surfaces (removing tile, drywall, or fixtures), you should hire a certified lead abatement contractor to encapsulate or remove lead-painted materials safely. This is not a Big Spring permit requirement, but it is a federal requirement and can expose you to fines if violated.

If I pull a permit and then decide not to do the work, what happens to the permit fee?

Permit fees are non-refundable. Once you pay and the permit is issued, the fee is retained by the city even if you abandon the project. You can request a permit extension or cancellation, but the fee is forfeited. If you want to avoid wasting the fee, only pull a permit when you are ready to start work or have a firm construction timeline.

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 Big Spring Building Department before starting your project.