Bathroom Remodel Cost in Seattle, WA (2026 Guide)

Last updated: May 2026. Prices reflect 2026 Seattle labor rates, current SDCI permit fee schedules, and WA state 10.25% sales tax. National averages understate your actual cost by 25–40%.

Seattle bathroom remodels run $8,000–$75,000, depending on scope, location, and what your walls are hiding. That range sounds wide — because it is. A cosmetic refresh in a newer Bellevue condo costs a fraction of a gut renovation in a 1920s Capitol Hill craftsman where knob-and-tube wiring and galvanized pipes are waiting behind the tile.

This guide gives you Seattle-calibrated numbers: actual 2026 trade labor rates, SDCI permit fees, the WA 10.25% sales tax most homeowners forget to budget, and the neighborhood-level surcharges that national cost calculators never mention. Read this before you request a single quote.

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Section 1: What Seattle Bathroom Remodels Actually Cost in 2026

Here is the honest starting point. These ranges are built from Seattle contractor bids, not national survey data adjusted by a regional multiplier.

Project Tier	Scope	Seattle Cost Range
Cosmetic Refresh	New fixtures, paint, vanity swap, lighting	$8,000–$15,000
Mid-Range Remodel	Full tile replacement, new shower/tub, vanity, toilet	$20,000–$38,000
Full Gut Renovation	Demo to studs, layout preserved, all-new systems	$38,000–$55,000
Luxury / Layout Change	Moving walls, relocating plumbing, high-end finishes	$55,000–$75,000+

Why Seattle costs 25–40% more than the national average: Seattle has the highest construction labor costs in the Pacific Northwest. Combined with WA's 10.25% sales tax on materials and the skilled-trades shortage driving plumber and tile-setter wages to $85–$120/hour billed rates, your project costs more here than it would in Denver, Phoenix, or most Midwest markets.

The most common mistake Seattle homeowners make is budgeting using the national average of $12,000–$25,000 they find on national sites, then getting bids that come back $8,000–$15,000 higher and assuming the contractor is padding. They are not — the market is simply more expensive.

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Section 2: Cost by Project Type

Not every bathroom remodel looks the same. Use this breakdown to calibrate your budget before you talk to a contractor.

Project Type	Square Footage	Seattle Cost Range	Key Cost Drivers
Guest Bath Refresh	35–50 sq ft	$8,000–$18,000	Vanity, toilet, tile accent, lighting
Walk-In Shower Conversion	N/A	$7,500–$22,000	Custom tile, frameless glass, linear drain
Tub-to-Shower Conversion	N/A	$6,500–$18,000	Plumbing relocation, tile, glass enclosure
Full Guest Bath Gut	40–55 sq ft	$22,000–$38,000	Tile, fixtures, vanity, plumbing rough-in
Master Bath Gut Renovation	80–150 sq ft	$38,000–$65,000	Double vanity, walk-in shower, soaking tub, heated floor
ADA / Accessibility Conversion	50–80 sq ft	$18,000–$42,000	Grab bars, roll-in shower, blocking, permit
Older Home Gut (pre-1950)	Any	Add $5,000–$15,000	Knob-and-tube, galvanized pipe, asbestos abatement

The biggest mistake on project type: Homeowners scope a "tub-to-shower conversion" and assume it is a minor job. If the drain requires relocation — and in Seattle's older homes it often does — you are looking at concrete saw-cutting, plumber time, and a permit. A job budgeted at $8,000 can reach $16,000 before tile is selected.

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Section 3: 2026 Seattle Labor Rates by Trade

Labor is the single largest line item in any Seattle bathroom remodel. Seattle's $20.29/hour minimum wage sets a floor, but skilled tradespeople earn well above it — and are in short supply.

Trade	Seattle Hourly Rate (Billed)	Typical Bathroom Allocation	Notes
General Contractor (GC)	15–20% overhead + profit	$3,500–$10,000 on mid-range job	Manages subs, pulls permits
Licensed Plumber	$95–$125/hr	$3,000–$8,000	Required for any fixture relocation
Master Electrician	$90–$115/hr	$1,500–$4,500	Required if adding circuits or GFCI
Tile Setter	$75–$95/hr	$3,500–$9,000	Large-format tile adds 20–30% to labor
Finish Carpenter	$70–$90/hr	$1,200–$3,500	Vanity install, trim, built-ins
Waterproofing Specialist	$65–$85/hr	$800–$2,500	Critical in Seattle's wet climate

Seattle-specific labor note: The plumber and tile-setter shortage in King County is real. Contractors with available crews in 2026 are booking 6–10 weeks out. If a bid comes in significantly below market — say, a plumber quoting $55/hour — ask for their license number and verify with Washington State Department of Labor & Industries. Unlicensed work creates resale liability and voids permits.

Labor typically represents 45–55% of your total project cost in a Seattle mid-range remodel. On a $30,000 project, expect $13,500–$16,500 in trade labor alone.

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Section 4: SDCI Permit Fees — What Seattle's Building Department Will Cost You

The Seattle Department of Construction and Inspections (SDCI) requires permits for most bathroom remodels that go beyond cosmetic work. This is the section zero competitors cover — and skipping permits creates serious resale risk.

When a permit is required in Seattle:

• Moving or adding any plumbing fixture
• Adding electrical circuits or outlets
• Structural changes (removing walls, blocking for grab bars)
• Any work in a pre-1950 home that disturbs walls (asbestos/lead risk triggers inspection)

When a permit is NOT required:

• Replacing a vanity in the same location
• Swapping a toilet without moving drain location
• Painting, lighting fixture swap (same box), or accessory installation

Project Scope	SDCI Permit Fee (2026)	Notes
Mechanical / Plumbing (minor)	$300–$500	Single fixture add or swap
Electrical (residential)	$250–$450	Per panel — GFCI/arc fault
Full Bath Remodel (combined)	$800–$1,400	Plumbing + electrical + structural
Structural (wall removal)	$600–$1,200	Separate from mechanical
Total (gut renovation)	$1,000–$2,000	All trades combined

Permit timeline: SDCI currently runs 4–8 weeks on over-the-counter review for simple projects and up to 12 weeks for projects requiring plan review. Budget for this delay in your project timeline — it affects your contractor's scheduling window.

Resale risk is real: Seattle title companies and buyers' agents now routinely pull SDCI permit histories. An unpermitted bathroom remodel discovered during inspection can force a price reduction of 1–3× the permit cost, create escrow holds, or kill a deal entirely. On a $950,000 Seattle home, that exposure is significant.

Do not let a contractor talk you out of pulling a permit. Any Seattle contractor who suggests skipping permits to "save time and money" is transferring their risk to you.

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Section 5: Materials Cost + WA 10.25% Sales Tax

Washington's 10.25% combined state and local sales tax applies to all materials — tile, fixtures, vanity, hardware, glass enclosures. This is not a rounding error.

Most homeowners forget the sales tax line entirely. It is the hidden cost that national aggregators never include in their ranges, because WA's rate is among the highest in the nation.

Material Category	Before-Tax Cost (Mid-Range)	WA Tax (10.25%)	After-Tax Cost
Tile (floor + walls, 50 sq ft)	$1,800	$185	$1,985
Vanity + sink (mid-grade)	$1,200	$123	$1,323
Toilet (Toto, Kohler mid)	$600	$62	$662
Shower fixtures (valve + trim)	$900	$92	$992
Frameless glass enclosure	$2,800	$287	$3,087
Lighting (2 fixtures)	$400	$41	$441
Heated floor mat	$350	$36	$386
Total Materials Budget	$8,050	$826	$8,876

On a $25,000 material budget for a full master bath renovation, WA sales tax adds $2,562 to your cost. This is not a line item you can negotiate away — it goes to the state.

Practical implication: When you review a contractor's bid, confirm whether the materials line items include or exclude tax. Some Seattle contractors quote materials pre-tax and add it at invoice. Others include it in the itemized cost. Clarify this before signing.

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Section 6: Neighborhood Price Variation in Seattle

Seattle's housing stock creates significant cost variation by neighborhood. The age of your home's infrastructure — not just the size of your bathroom — determines how expensive your remodel will be.

Neighborhood / Area	Typical Home Age	Common Surcharge Triggers	Estimated Add-On Cost
Capitol Hill, First Hill	1900–1940	Knob-and-tube rewire, galvanized pipe	+$4,000–$10,000
Queen Anne, Magnolia	1910–1950	Galvanized supply lines, lead paint	+$3,000–$8,000
Ballard, Fremont	1920–1960	Mixed — some galvanized, some updated	+$1,500–$6,000
Wallingford, Green Lake	1920–1960	Asbestos floor tile common	+$1,500–$4,000
Columbia City, Rainier	1940–1970	Asbestos, older venting	+$1,000–$3,500
Bellevue, Kirkland (East side)	1970–2000	Updated systems, minimal surcharge	+$0–$1,500
Newer Condos (South Lake Union, etc.)	2005–present	Modern systems, minimal surprises	+$0–$1,000

Capitol Hill and Queen Anne homeowners: Budget a contingency of 15–20% above your base quote, not the standard 10%. The probability of finding knob-and-tube wiring or galvanized supply lines behind your bathroom walls is high — not a maybe. Your electrician will require that circuit to be brought to code as a condition of closing the permit. That work costs $2,000–$5,000 and is non-negotiable.

Why this matters for your quote: A contractor walking a bathroom in a 1925 Queen Anne and a contractor walking a bathroom in a 2015 Bellevue townhome are pricing two fundamentally different jobs — even if the finished bathrooms look identical. Do not compare quotes across homes of different ages without accounting for this.

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Section 7: Hidden Costs Seattle Homeowners Routinely Miss

These are the line items that blow Seattle bathroom remodel budgets. Review each one before you finalize your bid.

Hidden Cost Checklist:

• WA 10.25% sales tax on materials — adds $800–$2,500 depending on material budget
• SDCI permit fees — $800–$1,400 on a mid-range remodel, up to $2,000 for gut renovations
• Galvanized or lead pipe replacement — $1,500–$5,000 in pre-1970 Seattle homes
• Asbestos abatement — $800–$3,500 if found in floor tile, drywall compound, or pipe insulation (common pre-1980)
• Mold remediation — Seattle's wet climate makes bathroom mold common; $1,200–$4,000 if found behind tile
• Subfloor replacement — water damage under older tile costs $800–$2,500 to replace properly
• Heated floor rough-in (if not pre-planned) — adding after demo starts costs $400–$900 more than roughing in during demo
• Temporary bathroom provision — if your only full bath is out of service 3–6 weeks, a portable toilet or gym membership adds $150–$500

The most expensive hidden cost in Seattle: Discovering knob-and-tube wiring after demo begins. If your electrician opens the wall and finds active knob-and-tube that runs beyond the bathroom circuit, they are required by code to flag it. Bringing that circuit to code can cost $2,500–$6,000 depending on the extent of the run — and your project is on hold until it is done.

Budget a 15% contingency on every Seattle bathroom remodel. On a $30,000 project, that is $4,500 kept in reserve. In a pre-1960 home, use 20%.

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Section 8: Seattle Bathroom Remodel ROI — Is It Worth It?

Seattle's $850,000–$1,100,000 median home value (King County, Q1 2026) creates strong ROI conditions for bathroom remodeling — but the returns are not equal across project types.

Project Type	Seattle Avg Cost	Estimated Value Add	ROI %
Cosmetic Refresh (mid-range)	$10,000–$15,000	$12,000–$18,000	80–120%
Full Mid-Range Remodel	$28,000–$38,000	$24,000–$34,000	70–90%
Luxury / High-End Gut	$55,000–$75,000	$35,000–$50,000	55–75%
ADA Accessibility Conversion	$20,000–$40,000	$15,000–$32,000	65–80%

The Seattle-specific ROI context: Redfin and Zillow data for King County consistently show that updated bathrooms are among the top-cited features in offer letters for homes in the $850K–$1.1M range. Buyers in this segment expect renovated bathrooms — an outdated bathroom in a Capitol Hill home priced at $950,000 can sit on market longer and generate lower offers.

The ROI ceiling is real: A $70,000 luxury master bath renovation in a home valued at $875,000 will not produce dollar-for-dollar returns. Over-improving for the neighborhood has a ceiling. For maximum ROI, target a total bathroom remodel budget of 5–10% of your home's value. On an $850,000 home, that is $42,500–$85,000 — which covers a full mid-range to high-end renovation without over-improvement.

If you are renovating to sell within 12 months: Focus on cosmetic refresh and mid-range remodel tier. The ROI on luxury finishes shortens dramatically when the timeline is compressed. Buyers value updated tile, a clean vanity, and functioning fixtures — they do not pay proportionally for heated floors.

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Section 9: SPU Low-Flow Rebates — Free Money on Your Seattle Remodel

Seattle Public Utilities (SPU) offers rebates for installing water-efficient fixtures during bathroom remodels. Most Seattle homeowners have no idea these exist.

Fixture	SPU Rebate Amount	Eligibility Requirement
WaterSense toilet	Up to $75 per toilet	Must be WaterSense-certified (1.28 GPF or less)
WaterSense showerhead	Up to $25 per showerhead	Must be WaterSense-certified (2.0 GPM or less)
High-efficiency washing machine	Up to $100	Only if in same project scope

How to claim: Rebates are processed through SPU's online portal after installation. Your contractor must provide model numbers and purchase receipts. The typical timeline is 6–8 weeks for rebate processing.

Practical impact on your budget: On a master bath renovation with two toilets and two showerheads, SPU rebates offset up to $200 of your project cost. Not transformative — but real money on a project where $200 covers nearly two hours of tile-setter labor.

The bigger value: Specifying WaterSense fixtures also reduces your water bill. SPU's tiered rate structure means lower-flow fixtures produce measurable savings in Seattle's climate, where shower frequency stays high year-round. Over a 10-year horizon, a WaterSense toilet saves an average Seattle household $35–$55 per year versus a standard 1.6 GPF model.

Ask your Seattle bathroom remodeling contractor to specify WaterSense fixtures by default. It costs nothing extra and triggers the rebate automatically.

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Section 10: Cost Decision Scenarios — IF/THEN Guide

Use this table to quickly match your situation to a realistic Seattle cost range before you request quotes.

Your Situation	Project Scope	Seattle Cost Estimate
Guest bath, under 50 sq ft, cosmetic only, keeping layout	Vanity, toilet, tile paint, lighting swap	$8,000–$14,000
Guest bath, under 50 sq ft, full tile replacement, keeping layout	New tile floor + walls, vanity, toilet, fixtures	$18,000–$28,000
Master bath, 80–120 sq ft, keeping layout, no structural	Full gut, new shower, vanity, tile, heated floor	$38,000–$52,000
Master bath, 80–120 sq ft, moving toilet or shower drain	Above + plumbing relocation, concrete saw-cut	$45,000–$62,000
Any bath in pre-1950 Seattle home	Expect galvanized + possible knob-and-tube surcharge	Add $4,000–$12,000 to above
Walk-in shower conversion only (any home)	Remove tub, custom tile shower, frameless glass	$10,000–$22,000
ADA conversion for aging-in-place	Roll-in shower, grab bars, blocking, permit	$18,000–$42,000
Full layout change, walls moved, plumbing relocated	Structural permit + all trades	$55,000–$75,000+

The most important IF → THEN rule in Seattle: If your home was built before 1955 and you have not had a plumbing inspection in the last 10 years → factor in galvanized pipe replacement before your tile budget. You cannot tile over a plumbing problem. Discovering this after demo begins will add $3,000–$8,000 and 2–3 weeks to your project.

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Ready to get contractor quotes with these numbers in hand?

Request quotes from Seattle bathroom remodeling contractors on ProList — compare bids from licensed, reviewed contractors who know Seattle's permit requirements and trade rates.

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Section 11: Cost-Saving Strategies That Work in Seattle

These tactics reduce cost without sacrificing the finish level that Seattle buyers and appraisers expect.

1. Keep the toilet in place if at all possible. Moving a toilet requires saw-cutting concrete (in slab-on-grade) or significant subfloor work. In Seattle's multi-story homes this often means opening the ceiling below. Keeping the toilet drain where it is saves $1,500–$4,000 on plumbing labor and eliminates the need for a separate structural/mechanical permit in some cases.

2. Use large-format tile selectively. Large-format tile (24"×24" and above) requires a perfectly flat substrate, takes longer to set, and costs 20–30% more in setter labor. In a small Seattle guest bath, 12"×24" tile delivers a similar visual impact at lower cost. Reserve 24"×24" for master bath floors or accent walls where the visual effect justifies the premium.

3. Pull your own permits — legally. Washington State allows homeowners to pull their own permits for their primary residence. If you are managing subs directly (not through a GC), pulling the permit yourself saves the GC's markup on permit costs. Note: you assume the inspection responsibility and liability. Do not do this unless you are comfortable managing the inspection process yourself.

4. Time your material purchases to avoid peak-season pricing. Seattle contractors are busiest April–September. If your project can begin October–March, you will find more available crews, shorter permit queues at SDCI, and some contractors willing to negotiate a slightly lower rate to fill their winter schedule.

5. Specify mid-grade fixtures with WaterSense certification. Toto and Kohler mid-grade lines ($400–$700 per toilet) deliver the reliability and look of luxury brands at 40–50% less cost. Combined with SPU's rebate, your net cost is even lower. There is no meaningful performance difference between a $450 WaterSense toilet and a $900 one.

6. Get three bids — and not just on price. The lowest bid is not always the best value. Ask each contractor for: their SDCI permit history (can be pulled publicly), their current King County business license, their subcontractor list, and references from Seattle projects in the past 12 months. A bid $3,000 lower from an unlicensed sub-network is a liability — not a savings.

Review the how to choose a bathroom remodeling contractor in Seattle guide before making your final selection.

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Section 12: The Correct Order of Decisions Before You Hire

This is the step sequence that prevents budget overruns and contractor problems.

Step 1: Assess your plumbing and electrical before you set a budget. In any Seattle home built before 1970, spend $150–$350 on a licensed plumber and $150–$300 on an electrician for a pre-renovation assessment. Their findings determine whether your baseline budget holds or needs a contingency increase.

Step 2: Confirm permit requirements with SDCI before you design. Call SDCI's Pre-Application Conference line or use their online permit portal to confirm which permits your specific scope requires. This prevents design decisions that trigger unexpected permit requirements.

Step 3: Set a realistic budget range, not a fixed number. Given Seattle's hidden cost profile, a budget range of $28,000–$35,000 is more realistic than "$30,000 firm." The contractor who respects a range is more honest than the one who promises to hit a fixed number before seeing what is behind your walls.

Step 4: Get three bids from licensed Seattle contractors. Use ProList's Seattle bathroom remodeling directory to compare contractors with verified reviews. Verify each contractor's SDCI permit history and WA L&I license number before signing.

Step 5: Review the contract for permit responsibility, tax inclusion, and contingency language. Before signing: confirm who pulls the permits, whether materials are quoted pre- or post-tax, and whether there is a written change order process for hidden-cost discoveries.

Reversal warning: Skipping Step 1 (pre-renovation assessment) is the single decision most likely to result in a mid-project budget crisis. Once your walls are open, you have no negotiating leverage on hidden-cost discoveries.

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Section 13: Frequently Asked Questions

How much does a small bathroom remodel cost in Seattle?

A small guest bath (35–50 sq ft) cosmetic remodel in Seattle — new vanity, toilet, lighting, and paint without moving plumbing — costs $8,000–$15,000 in 2026. If you replace tile as well (floor and partial wall), expect $16,000–$26,000. In a pre-1955 Seattle home, add $3,000–$8,000 for potential galvanized pipe and electrical upgrades.

Do I need a permit for a bathroom remodel in Seattle?

Yes, in most cases. The Seattle Department of Construction and Inspections (SDCI) requires permits any time you move plumbing, add electrical circuits, or make structural changes. You do NOT need a permit for cosmetic work only (painting, vanity swap in the same location, accessory installation). Permit fees run $800–$1,400 for a mid-range remodel. Unpermitted work creates resale risk and should be avoided.

How much does WA sales tax add to a bathroom remodel?

Washington's 10.25% combined sales tax applies to all materials. On a $10,000 material budget, that is $1,025 added to your cost. On a $25,000 material budget for a full master bath renovation, sales tax adds $2,562. Always ask your contractor whether their bid includes or excludes sales tax on materials.

Why is bathroom remodeling more expensive in Seattle than national averages?

Four factors drive Seattle's premium: (1) licensed trade labor runs $85–$125/hour billed versus $55–$85 nationally, (2) WA's 10.25% sales tax on materials has no equivalent in many states, (3) SDCI permit fees add $800–$2,000 per project, and (4) older Seattle housing stock (Capitol Hill, Queen Anne, Ballard) frequently requires galvanized pipe and knob-and-tube remediation before rough-in work can proceed. Expect 25–40% above national averages as a baseline.

Is bathroom remodeling worth it in Seattle for ROI?

Yes — within a budget ceiling. Seattle's $850K–$1.1M median King County home value creates strong ROI conditions for mid-range bathroom remodels. A $28,000–$38,000 full remodel typically adds $24,000–$34,000 in appraised value — an 80–90% return. Luxury remodels above $55,000 produce diminishing returns unless you are in a home priced above $1.2M. If you are renovating to sell, a clean cosmetic refresh at $10,000–$15,000 often delivers a higher percentage ROI than a full gut renovation.

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Section 14: Ready to Get Seattle Contractor Quotes?

You now have Seattle-calibrated costs, permit requirements, sales tax figures, and neighborhood-specific surcharges. You are ready to evaluate bids rather than just receive them.

Before you request quotes, confirm:

• You have assessed plumbing and electrical age (especially if pre-1970 home)
• You know whether your scope requires SDCI permits
• Your budget includes WA sales tax and a 15% contingency
• You have a clear project scope document to share with each contractor

Request quotes from licensed Seattle bathroom remodeling contractors — compare verified bids from contractors who know SDCI requirements, Seattle labor rates, and what your neighborhood's housing stock is likely to hide.

If you want to understand financing options before committing to a budget, see the bathroom remodel financing options in Seattle guide.

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Related pages:

• How to Choose a Bathroom Remodeling Contractor in Seattle
• Seattle Bathroom Remodeling Contractors — ProList Directory
• Bathroom Remodel Financing Options in Seattle

Q: What does a typical bathroom remodel cost in Seattle? Mid-range full remodels run $18,000–$35,000. Budget refreshes (new vanity, fixtures, paint) come in at $5,000–$10,000. High-end primary bath renovations with tile work, radiant heat, and custom fixtures can reach $60,000–$85,000. Seattle runs 25–40% above national averages due to licensed trade labor rates ($85–$125/hour), WA sales tax on materials (10.25%), and SDCI permit fees ($800–$2,000 per project).

Q: What hidden costs should I budget for in older Seattle homes? The most common surprises: subfloor rot and water damage (budget $1,500–$4,500 to replace), galvanized pipe replacement ($800–$2,000), knob-and-tube electrical remediation ($1,200–$3,500), and inadequate ventilation upgrades ($400–$900). Budget a 15–20% contingency on top of your quoted scope.

Q: Does Seattle require a permit for bathroom remodeling? Yes. SDCI requires permits for structural changes, plumbing relocation, and electrical work. Cosmetic work (new tile on existing substrate, vanity swap, fixture replacement without moving supply/drain lines) typically does not require a permit. Unpermitted work can surface as a problem at home sale.

Q: How do Seattle labor costs compare to national averages? WA licensed plumbers charge $95–$135/hour; electricians $90–$125/hour. These are 30–50% above the US median. Material costs are similar nationally but WA's 10.25% sales tax adds meaningful cost on larger orders. Total project premium vs. the national average is typically 25–40%.

Q: Is it worth doing a bathroom remodel in Seattle's housing market? For primary bath gut renovations, Seattle homeowners typically recover 55–70% of cost at resale. The stronger value case is personal use: Seattle's housing stock has aging bathrooms that affect daily quality of life. If you're planning to stay 3+ years, full remodels pencil out on comfort alone.