Washington cost guide
Bathroom remodel cost in Washington
In Washington, bathroom remodel prices run above the national average — whether you're in Seattle, Spokane, or Tacoma. Here's what a complete, permitted job should cost, and how to tell whether the quote in your hand is fair.
Typical Washington range
$13,700 – $45,600
Mid-range full remodels commonly land near $250–$550 per sq. ft.
Included at this price: Demo, waterproofing, tile, fixtures, vanity, ventilation, and permits.
Washington prices by project type
| Project | Washington range | Unit check |
|---|---|---|
| Powder room or half bath | $5,700 – $18,200 | Half baths commonly land near $200–$450 per sq. ft. |
| Full bath remodel (same layout) | $13,700 – $39,900 | Mid-range full baths commonly land near $250–$550 per sq. ft. |
| Primary bath or layout change | $28,500 – $91,200 | Primary baths commonly land near $400–$800 per sq. ft. |
| Tub-to-shower conversion | $4,600 – $17,100 | Conversions commonly run $4,000–$12,000 depending on tile and glass. |
Reviewed 2026. Editorial benchmarks from public cost surveys (Zonda Media / Remodeling magazine, Houzz, Angi / HomeAdvisor), adjusted by a state construction-cost index. Not a bid, appraisal, or licensed estimating data.
What a common size costs in Washington
Mid-range full remodel: $250–$550 per sq. ft. of bathroom, adjusted for Washington construction costs.
| Size | Washington estimate |
|---|---|
| 5x8 (40 sq. ft.) | $11,400 – $25,100 |
| 8x10 (80 sq. ft.) | $22,800 – $50,200 |
| 10x12 (120 sq. ft.) | $34,200 – $75,200 |
| 10x15 (150 sq. ft.) | $42,700 – $94,000 |
Per-unit rate from the public cost guides cited above, multiplied by size and the Washington construction-cost index. Access, demolition, repairs, and permits can add to it — this is a benchmark, not a bid.
Red flags in Washington bathroom remodel quotes
- Waterproofing system by name, not just "waterproof the shower"
- Substrate: cement board, foam board, or drywall behind tile
- Tile quantity, layout, and who supplies it
- Exhaust fan CFM and whether it vents outside
- Fixture allowances with real numbers
Commonly missing line items: shower pan and waterproofing membrane details, subfloor repair allowance, ventilation upgrade, niche, bench, and grab-bar blocking, grout sealing and final caulking.
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Related cost guides
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