Bathroom Remodel Invoice Template — Free Download (2026)
Bathroom remodels generate more disputes per dollar spent than almost any other home improvement project. The reasons are predictable: waterproofing failures that don't show up for months, tile work where grout color and pattern weren't locked in before installation, fixture selections that didn't account for the rough-in dimensions, and final invoices that don't match what was discussed. A properly detailed bathroom remodel invoice — with explicit waterproofing documentation, tile spec approval, fixture model numbers, and milestone billing — prevents most of these disputes before they start. This guide covers exactly what to include, with real invoice examples for full bathroom remodels, shower-only projects, and master bath overhauls.
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Waterproofing system — membrane type, manufacturer, and coverage
Waterproofing is the most important line item on a shower or wet area remodel invoice, and the one most contractors leave off entirely. Documenting your waterproofing system serves three purposes: it shows the client they're getting a professional installation (not just tile over drywall), it specifies what system you installed if there's a future leak dispute, and it protects you if the homeowner later asks why you used a specific product. 'Shower waterproofing: Schluter KERDI membrane (polyethylene mesh-laminated fabric), installed per manufacturer specifications. Full shower floor, walls to 6" above tile height. All corners treated with KERDI-BAND. Drain: Schluter KERDI-DRAIN. Pan replaced with pre-sloped mortar bed at 1/4" per foot to drain.' Or: 'Shower pan: Wedi board system (foam tile backer with integral waterproof coating), all seams taped and sealed with Wedi joint sealant. Curb: Wedi Fundo curb block, waterproofed per spec. IICRC S520 moisture scan of existing wall framing before new pan installation.' Note whether a moisture/mold inspection was done before enclosing the walls — and document what was found. Pre-existing mold or moisture damage discovered during demo is a major change order trigger and needs to be documented.
Tile specification: manufacturer, product, size, color, finish, and grout
Tile disputes are extremely common on bathroom remodels. The fix is locking in the full specification before work begins and putting it on the invoice. 'Floor tile: Daltile Rittenhouse Square, Arctic White, 3×6 subway (floor use: slip-resistant rating R9). Shower wall tile: Emser Tile Lucente, Pearl, 12×24 porcelain, matte finish. Niche tile: Daltile Rittenhouse Square, Biscuit, 3×6, to contrast with main tile (owner selected). Grout: Mapei Ultracolor Plus FA, #04 Ivory, unsanded, 1/16" joints. Floor grout: Mapei Ultracolor Plus FA, #04 Ivory, sanded, 1/8" joints. Tile layout: vertical brick pattern on walls, offset 1/2 brick. Grout color approved by owner from physical sample board on June 11, 2026.' The grout color approval step is essential. Many clients approve tile but don't think about grout color until they see it installed — at which point it's too expensive to change. Get written approval (even a text message confirmation) of grout color before installation and note it on the invoice.
Fixture model numbers — every single one
Fixture disputes happen when the installed product doesn't match what the client was imagining. The only way to prevent this is to lock in specific model numbers before ordering and confirm them on the invoice. 'Fixtures (all owner-selected, contractor to install unless noted): Shower valve: Kohler K-T14421-4-CP Rite-Temp pressure-balancing valve with trim, polished chrome. Showerhead: Kohler K-22169-G-CP Forte 2.5 GPM, polished chrome. Hand shower: Kohler K-45124-CP Forte, polished chrome, 60" hose. Tub faucet: Kohler K-T16111-4-CP Forte, polished chrome (supplied by owner). Toilet: Kohler K-3987-0 Wellworth elongated 1.28 GPF, white (contractor-supplied and installed, includes wax ring and supply line). Vanity faucet: Delta 559HA-PP-DST Trinsic, polished nickel (note: different finish from shower — owner decision, documented here). Medicine cabinet: owner-supplied, contractor to install (owner to confirm rough-in opening size before demo).' Model numbers eliminate ambiguity. If the homeowner later says 'I thought I was getting brushed nickel,' the invoice shows polished chrome was specified and presumably approved.
Plumbing rough-in dimensions and any relocations
Rough-in dimensions matter for fixture compatibility, and any relocation of supply or drain lines needs its own line item with a scope description. 'Plumbing: existing rough-in maintained — no relocation. Tub drain in existing location. Vanity supply lines: existing location, updated to braided stainless flex supply lines. Shower: existing rough-in used — shower valve position adjusted from 58" AFF to 48" AFF per owner request (see change order CO-001 for this adjustment — requires cutting into existing supply lines and re-soldering/PEX transition).' For any drain relocation: 'Shower drain relocated 8" south and 4" east from existing tub drain location to accommodate new 36×48" shower footprint. Concrete saw-cut for drain repositioning — includes concrete patch after drain set.' Always note who pulls the plumbing permit and include the permit number once issued. 'Plumbing permit #PL-2026-04812 — pulled by contractor, inspection scheduled after rough-in.'
Vanity, mirror, and lighting with rough-in callouts
Vanity installations have more moving parts than they appear — cabinet size, countertop material, sink type, faucet hole count, and lighting rough-in all need to align. Document each: 'Vanity: 60" double vanity, Kraftmaid Bath, Maple, Dove White paint finish, 2-door/6-drawer configuration. Countertop: cultured marble, white with integrated sinks, pre-fabricated, faucet holes 8" OC. Faucets: Delta Trinsic widespread (3-hole), polished nickel × 2 (owner-supplied). Mirror: two 24×36" framed mirrors, contractor-supplied, owner-approved finish (polished nickel frame to match faucets). Lighting: existing single bar light replaced with 2 × 3-light LED bar fixtures, polished nickel, installed by licensed electrical sub. Electrical permit: amended to include lighting upgrade.' Also document the vanity rough-in height: standard is 32–36" top height, but accessible (ADA) vanities may be lower and pedestal sinks are different entirely. If the homeowner wants a specific height, note it.
Scope of demo and what was discovered
Bathroom demo almost always reveals something. Document what you found before you close up the walls: 'Demo completed June 9, 2026. Findings: (1) Shower floor: zero waterproofing membrane present — original installation was tile directly over cement board with no waterproofing. Small amount of moisture damage to bottom plate of north wall — 18" of plate replaced with pressure-treated lumber before new waterproofing installed. (2) Window: existing single-pane aluminum window in shower zone — per code, window in shower must be safety glass. Existing glass is not safety-rated — owner informed and chose to have window replaced (see change order CO-002). (3) Subfloor: solid, no water damage, no replacement needed.' This documentation matters in two directions: it protects you from claims that you caused damage, and it gives the homeowner a record of what was found and addressed. A client who has pre-demo photos and a written condition report at demo is far better positioned than one who has to take the contractor's word for what was found.
Bathroom remodel invoice examples
Full master bath remodel — milestone 2 (rough-in complete)
INVOICE #BATH-2026-0188 — MILESTONE 2 OF 4
Summit Bath & Tile | (614) 555-0221 | Customer: R. & D. Okonkwo | 7712 Maple Ridge Ct., Dublin, OH 43017 | Project: Master bath remodel | Contract total: $22,800
| Completed scope (this milestone) | Value |
|---|---|
| Demo — removed existing tub/surround, vanity (60"), toilet, flooring (VCT), drywall in wet areas. All debris hauled off. Existing medicine cabinet retained per owner request. | $1,800 |
| Moisture inspection — IICRC S520 visual moisture assessment of exposed framing. Finding: minor moisture staining on bottom plate of exterior wall (pre-existing, no active mold). Bottom plate replaced with pressure-treated 2×4, 32" section. Documented in pre-framing photos. | $0 (included, plate material: $38 — see change order CO-001) |
| Shower pan — Wedi Fundo Primo shower tray, 36×60", pre-sloped. Drain: Wedi Fundo drain assembly, chrome. All seams taped with Wedi joint sealant. Wedi board on walls to 84" height. Corners: Wedi Corner Trims, full height. | $1,240 |
| Plumbing rough-in — Waterworks plumbing: relocate shower valve rough-in to 48" AFF (from 58" existing), add hand-shower rough-in at 72" AFF. No drain relocation. Tub removal and cap-off at existing tub drain. Permit #PL-2026-04921 — passed inspection June 11, 2026. | $1,580 |
| Electrical rough-in — new GFCI circuit for vanity outlets (2 locations). New wiring for 2-light vanity fixture. Exhaust fan replacement rough-in (owner-supplied fan, contractor to connect). Permit #EL-2026-07743 — passed inspection June 12, 2026. | $780 |
| Milestone 1 deposit paid June 1, 2026 | −$5,700 (paid) |
| Milestone 2 — 25% of contract due now | $5,700 |
Shower-only remodel — fixed price invoice
INVOICE #BATH-2026-0194 — SHOWER REMODEL
Summit Bath & Tile | Customer: P. Kimura | 3301 Ashwood Ave., Columbus, OH 43220 | Project: Remove fiberglass shower unit, install custom tile shower | Date: June 13, 2026
| Demo — remove existing 36×36" fiberglass shower unit (1-piece). Remove drywall in shower zone. Haul off all debris. | $580 |
| Pre-tile inspection — moisture assessment of framing post-demo. Finding: framing dry, no damage, no replacement needed. Documented in photos. | $0 (included) |
| Waterproofing — Schluter KERDI membrane, full shower walls (36×80" three walls + niches). KERDI-BAND at all corners. KERDI-DRAIN with brushed nickel cover plate. Pre-slope mortar bed at 1/4"/ft. | $780 |
| Tile installation — wall tile: MSI Marble Look Statuario 12×24 porcelain, installed in vertical stacked pattern. Floor tile: MSI Greecian White 2×2 mosaic. Niche (1 built-in niche, 12×24"): same wall tile, shelved. Total wall: 68 sq ft. Floor: 9 sq ft. | $2,100 |
| Grout — Mapei Ultracolor Plus FA, #19 Gray Flannel, sanded floor, unsanded walls. Color approved by owner from sample board June 10, 2026. | $0 (included in tile) |
| Shower glass — frameless 3/8" clear tempered glass panel + door, brushed nickel hardware, ceiling-mounted support bar. Templated after tile cure (5 days). Installed June 20 (estimated). | $2,200 |
| Plumbing — Kohler K-T14421-4-BN Rite-Temp valve trim, brushed nickel. Showerhead: Kohler K-22168-BN Forte 2.5 GPM, brushed nickel. Hand shower: Kohler K-45124-BN, brushed nickel, 60" hose. All valve trim and heads owner-supplied — contractor installs. | $380 (labor) |
| Total — 50% deposit due at signing, balance at completion | $6,040 |
5 invoicing rules for bathroom remodeling contractors
Put the waterproofing system on every wet area invoice — always
The single most expensive bathroom remodel failure is a waterproofing system that wasn't installed, wasn't installed correctly, or wasn't documented. Water damage behind tile can go undetected for 1–5 years before the damage becomes visible. When it becomes visible, it's a major mold and structural repair. Every shower, tub surround, or wet area renovation invoice should explicitly state the waterproofing system used: manufacturer, product name, coverage area, and key details (corners treated, drain type). 'Wedi board system installed per manufacturer specs — no additional membrane required.' or 'Schluter KERDI membrane, all wet surfaces, KERDI-BAND at corners.' If you don't use a named waterproofing system (just cement board), note that too: 'Cement board substrate — no additional waterproofing membrane. Note: cement board is moisture-resistant but not waterproof. Full membrane waterproofing is available at additional cost.' This note both protects you and often results in an upgrade sale.
Get written grout color approval before tile installation starts
Grout color is the most common 'I didn't expect that' complaint on bathroom remodels. White grout turns gray fast. Dark grout makes white tile look dirty. The gap between what a client imagines and what gets installed is significant. Before you start tiling: show a physical grout sample board. Get written approval — even a text that says 'yes, go ahead with Ivory' is sufficient. Note the approval on the invoice: 'Grout color approved June 11, 2026 — Mapei Ultracolor FA #04 Ivory.' If the client later claims the grout is the wrong color, you have documentation. Without it, you have a he-said-she-said dispute about what was discussed during a site visit weeks ago.
Document every fixture by model number — no generic descriptions
Generic descriptions create problems. 'Kohler toilet installed' doesn't tell you whether the homeowner was expecting a $200 basic model or a $800 comfort-height elongated with slow-close seat. 'Delta shower valve with rainhead' doesn't tell you whether the rainhead was 8" or 12", whether it was fixed or adjustable, or what finish it was in. Every fixture on a bathroom remodel invoice should have a manufacturer, model number or product name, finish, and whether it's contractor-supplied or owner-supplied. This level of specificity takes an extra 10 minutes to write and saves hours of dispute resolution. It also makes the homeowner feel confident — a detailed spec shows professionalism and attention to detail that reinforces their trust in your work.
Bill 50/25/25 on bathroom remodels, not lump sum at the end
Bathroom remodels take 2–4 weeks and involve multiple trades. Waiting for full payment at completion means you're financing $10,000–$25,000 in labor and materials for a month. The standard structure that works: 50% deposit at contract signing (covers materials — tile, fixtures, waterproofing, vanity). 25% at rough-in milestone (demo done, plumbing/electrical rough-in passed inspection, waterproofing installed). 25% at completion and final walkthrough. On jobs with a large glass order (frameless shower glass often runs $2,000–$4,000), sometimes the 50% deposit needs to be slightly higher to cover that lead item. Make the milestone criteria specific and observable — not 'when the contractor says it's done' but 'when rough-in passes the city inspection' or 'when tile is grouted and sealed.'
Include a pre-tile walkthrough in your process — and on the invoice
The last point before tile installation is the last easy opportunity for the homeowner to change their mind on layout, niche placement, or fixture location — after tile goes in, changes are prohibitively expensive. Build a pre-tile walkthrough into your process and reference it on the invoice: 'Pre-tile walkthrough: June 15, 2026. Owner confirmed: tile layout (vertical stacked), niche location (12" from shower entrance, 60" height to bottom), showerhead rough-in height (78" AFF), tile selection and grout color (documented above). No changes requested — tile installation to proceed.' This walkthrough serves two purposes: it gives the homeowner one last chance to catch issues before they're permanent, and it creates documentation showing that the client reviewed and approved the installation plan before work began. A client who walked the job with you before tile installation is far less likely to dispute the finished result.
Frequently asked questions
How much does a bathroom remodel cost in 2026?↓
Bathroom remodel costs in 2026: Half bath (toilet + vanity + paint): $2,500–$6,000. Full bath cosmetic update (new fixtures, vanity, flooring — no layout change): $5,000–$12,000. Full bath remodel with tile shower: $12,000–$22,000. Master bath full remodel: $18,000–$45,000. High-end master bath (freestanding tub, custom tile, steam shower): $40,000–$80,000+. Key cost drivers: Shower enclosure type (fiberglass unit vs. custom tile vs. prefab tile insert). Glass door type (framed vs. frameless). Fixture quality. Plumbing and electrical relocation (adds $1,500–$5,000). Tile complexity (larger format, patterns, custom work). Vanity type (stock vs. semi-custom vs. custom). Size of the space.
How long does a bathroom remodel take?↓
Typical bathroom remodel timelines: Half bath (no shower/tub): 3–5 days. Full bath cosmetic (fixtures, vanity, no tile): 1–2 weeks. Full bath with tile shower: 2–4 weeks (includes waterproofing cure time before tile: 24–72 hours depending on product). Master bath full remodel: 3–5 weeks. Key scheduling dependencies: Waterproofing cure time before tile (24–72 hours). Tile and grout cure time before grouting and before water exposure. Frameless glass lead time: 7–14 business days after template. Fixture and vanity delivery lead times (some items are 4–6 weeks). Permit inspections — scheduling inspections can add a day or two.
Do I need a permit for a bathroom remodel?↓
Permit requirements vary significantly by jurisdiction, but generally: Cosmetic work (new fixtures with no plumbing relocation, paint, flooring): usually no permit required. Plumbing work (moving supply or drain lines, new circuits): permit required in most jurisdictions. Electrical work (new circuits, GFCI outlets, new fixture wiring): permit required in most jurisdictions. Structural work (removing walls, adding windows): permit required. Many bathroom remodels require at minimum an electrical permit for GFCI and ventilation work, and a plumbing permit for any drain or supply work. Always pull the required permits — work done without permits can cause problems at property sale and can void homeowner's insurance coverage for related damage.
What is the best waterproofing for a tile shower?↓
The three most common professional waterproofing systems for tile showers in 2026: Schluter KERDI system: polyethylene mesh-laminated membrane installed over drywall or cement board. Industry standard for custom tile showers. Compatible with Schluter drains, trims, and niches for a complete system. Approx. cost: $3–$6/sq ft installed. Wedi board system: foam board with integral waterproof facing. Eliminates need for separate membrane over the board. Easier to work with than cement board. More expensive material cost, less labor intensive. Approx. cost: $4–$8/sq ft installed. RedGard (roll-on membrane): liquid-applied waterproofing by Custom Building Products. Less common for full custom showers; often used for tub surrounds and simpler applications. Approx. $1.50–$3/sq ft. The best system is the one installed correctly per manufacturer specifications. A poorly installed expensive system fails faster than a properly installed basic one. Ask your contractor which system they're certified to use and how they handle corners, drains, and niches.
What tile size is best for a shower?↓
Tile size recommendations for shower applications in 2026: Shower floor: smaller tile is better (creates more grout lines = more traction). Standard choices: 2×2 mosaic, 3×3, 4×4, or small hexagon. Tiles over 6" on shower floors require a flat enough substrate to avoid lippage and may be harder to slope to drain correctly. Shower walls: almost any size works. Currently popular: 4×12, 3×12, 12×24, 4×4. Large format (12×24+) requires a very flat substrate and back-buttering for full coverage adhesive contact — skipping this on large format tile causes hollow spots and eventual cracking. Niche: small tile or the same tile as the main wall (cut down) — avoid large format in a niche as it's harder to install flat. Grout joint size: typically 1/16" for rectified porcelain, 1/8" for natural stone or non-rectified tile. Ask to see a sample of your chosen tile with the proposed joint size before installation begins.
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