Do I need a permit for a full bathroom remodel in
Snellville, GA?

Snellville bathroom remodel permits — the key details

A full bathroom remodel in Snellville triggers a permit requirement as soon as you move a plumbing fixture, add new electrical circuits, install a new exhaust fan with ductwork, convert a tub to a shower, or remove or relocate any wall studs. The Georgia State Building Code (adopted by Snellville, effective through 2020 IRC standards) requires that any work affecting drainage, ventilation, electrical supply, or structural framing go through plan review and inspection. The single most common mistake: homeowners assume that replacing fixtures in place (toilet, faucet, vanity cabinet) is exempt, which is correct—but once you move the drain line, add a vent-stack extension, or reroute supply lines to a different wall, you've crossed the permit threshold. Snellville's Building Department enforces this line strictly. The code sections that matter most are IRC P2706 (drainage fittings and trap lengths—critical if you're relocating a drain), IRC M1505 (exhaust fan ventilation duct sizing and termination), and IRC E3902 (GFCI protection on all bathroom outlets). Plan-review timelines in Snellville run 5–10 business days for a standard bathroom remodel, assuming your drawings are complete. Applications submitted through the online portal (https://snellville.org or contact the city directly for the current portal URL) move faster than in-person submissions.

The waterproofing assembly is where Snellville code officers scrutinize most carefully, especially if you're converting a tub to a shower or installing a new shower enclosure. IRC R702.4.2 requires a waterproofing membrane (such as a liquid-applied fabric composite or sheet membrane) behind all tile on walls in wet areas, installed over a substrate like cement board or a pre-fabricated waterproof backing board. Snellville inspectors will ask to see the manufacturer specifications for the membrane and substrate on your submittal—generic tile and drywall will be rejected. The rough plumbing inspection happens before walls are closed; at that stage, the inspector verifies trap arm lengths (maximum 6 feet before you need a vent, per IRC P3005.2), drain slope (1/8 inch per foot minimum, per IRC P3005.1), and that all new drains tie properly into the existing vent stack or a new stack if required. If you're adding a drain line to an existing 2-inch vent stack, the stack must be sized correctly—oversizing is cheaper than undersizing and getting a rejection. The pressure-balanced or thermostatic valve on a tub-shower combo is not discretionary; it's required by IRC P2708 to prevent scalding, and inspectors will ask for the valve spec sheet. Common rejections in Snellville include vague or missing waterproofing details, exhaust fan duct routed through an unconditioned attic without proper insulation and termination (IRC M1505.2 requires the duct to terminate to the exterior, not into the attic), and GFCI/AFCI circuit details omitted from electrical plans.

Exemptions in Snellville are narrow and project-specific. If you are replacing a toilet, faucet, or vanity cabinet in the same location—meaning no drain-line movement, no new supply lines, no wall demolition—you do not need a permit. Similarly, if you are simply removing old tile and regrouting, refreshing caulk, or painting, no permit is required. However, as soon as you add tile in a way that changes the wall assembly (even if it's just new substrate behind the tile), that's likely to trigger a permit review, especially in a shower. The gray area: can you skip a permit if you're replacing a toilet with a new toilet in the same rough-in location? Yes, if no drain lines move. But if you're relocating the toilet 2 feet to the left (requiring a new branch drain and vent), it's a permit. Snellville's online portal or the Building Department phone line (look up the current number on the city website) can clarify ambiguous projects before you commit. Owner-builders are allowed in Georgia (per Georgia Code § 43-41), so you can pull a permit as the owner; Snellville may require proof of ownership (deed or mortgage statement) but will not mandate a licensed contractor, though they will still require all inspections and code compliance.

Snellville's climate (IECC Zone 3A, warm-humid) and soil composition create a few local wrinkles. The Piedmont red clay soil (north and central Snellville) has poor drainage and high clay content, which can affect the grading around the foundation if you're installing a new exhaust fan duct termination on an exterior wall; the city may ask you to verify that the duct termination does not pond water. The coastal-plain sandy soils (south Snellville) are more forgiving for drainage but have lower load-bearing capacity, a factor only if you're adding structural support for a new plumbing stack. Humidity is the bigger concern: Snellville requires exhaust fans in all bathrooms without operable windows (IRC M1505), and the duct must terminate to the exterior within 6 feet of the fan (no routing through attics without insulation). Condensation buildup is a code violation waiting to happen; inspectors check for flex-duct insulation and proper duct slope to prevent water accumulation. Winter frost depth is 12 inches, which affects exterior duct terminations if they're near grade (must slope away from the foundation), but most bathroom vents terminate high on the wall, so this is rarely an issue for bathroom remodels.

To move forward: download or request the Snellville bathroom permit application (likely titled 'Building Permit Application' or similar; check the city's website or call the Building Department). You'll need a site plan showing the property and home location, floor plan(s) showing the bathroom before and after (with dimensions, fixture locations, and material specifications), electrical plan (if adding circuits), plumbing plan (if relocating drains or supplies), and a waterproofing detail if there's a shower. If you're hiring a contractor, they typically prepare these drawings; if you're doing it yourself, a simple scaled floor plan (1/8 inch = 1 foot is standard) plus photos and fixture cut-sheets may suffice for a straightforward remodel. Once submitted (online or in person), the city has 5–10 business days to review; they'll issue either an approval or a list of corrections. Plan-review fees run $200–$400 for a bathroom remodel in Snellville; add $100–$200 for each inspection (rough plumbing, rough electrical, final). Total permit and inspection cost: typically $400–$700 for a straightforward remodel with no major structural changes. Once approved, you can begin work immediately and schedule inspections as you complete stages.

Three Snellville bathroom remodel (full) scenarios

Waterproofing assembly: the reason plan review takes time in Snellville

IRC R702.4.2 requires a waterproofing membrane system in all bathrooms where water will contact walls. For showers, the membrane must be installed over a substrate like cement board, fiber-reinforced gypsum, or a pre-fabricated waterproof backing board (never drywall alone). Snellville code officers ask to see the membrane type and substrate manufacturer specifications on your submittal drawings, and they will ask for a mock-up or photo during the rough inspection. Common failures: applicants propose 'waterproof drywall' (which is not truly waterproof by IRC standards), or they list 'cement board and sealant' without specifying the sealant (which must be a dedicated waterproofing membrane, not just silicone caulk). The best approach is to specify a liquid-applied membrane (such as RedGard or Hydroban) over cement board, or a sheet membrane (such as a woven fabric composite), both of which are code-compliant and readily available. Snellville's warm-humid climate (Zone 3A) makes waterproofing especially critical: humidity accelerates mold and rot behind tile if the membrane fails. During the waterproofing inspection—conducted after the membrane is applied but before tile—the inspector will verify that the membrane covers all wet-wall areas, has been sealed at corners and penetrations, and is the correct thickness per manufacturer specs. If the membrane is missing or inadequate, the city will issue a correction notice and require remediation before approving the drywall or final inspection. This is why waterproofing details are the most common reason for plan-review delays in Snellville bathroom permits.

Exhaust fan ductwork and humidity control in Snellville's warm-humid climate

Snellville's warm-humid climate (IECC Zone 3A) produces constant moisture in the air, and bathrooms generate additional humidity from showers and tubs. IRC M1505 requires exhaust fans in all bathrooms without operable windows, and the duct must be sized correctly and routed to the exterior—not into the attic, not into a soffit, and not left uninsulated. The minimum duct size is 4 inches in diameter for standard residential exhaust fans (cfm ratings under 400); larger fans may require 5- or 6-inch ducts. Snellville inspectors check for insulation on the ductwork (typically R-4 or better) to prevent condensation from forming inside the duct in humid conditions. If the duct is routed through an unconditioned attic (common in retrofit situations), it must be insulated and sloped slightly downward toward the exterior to allow any condensation to drain out, not back into the bathroom. The duct termination must be on the exterior wall or roof, with a damper and vent cap to prevent rain and pests from entering. A common mistake: running the duct to a soffit vent instead of the exterior, which defeats the purpose and violates code. Another mistake: insulating the duct improperly, leaving gaps that allow warm, humid air to escape into the attic and create a mold hazard. During the rough electrical inspection, the inspector will verify that the exhaust fan is wired to a switch (not always on) and that the ductwork is properly sized and routed. During the final inspection, the inspector will verify that the duct termination is correct and the damper operates. If the ductwork is inadequate, the city will require correction before sign-off. In Snellville's climate, proper exhaust ducting is not optional—it's essential for code compliance and home durability.

Common questions