Bath Contractor CheckLook up a bathroom contractor's license before you sign anything

143 cities · 1,073 active licenses

Check a bathroom contractor's license in Washington

We track 1,073 bathroom contractors across 89 Washington cities for this search. Every one of them links back to Washington's own license record.

How to check a license in Washington

  1. Open L&I's Verify a Contractor, Tradesperson or Business tool.[1]
  2. Enter a name, a license number, a workers' comp account number, or the business's own UBI number to run the search.[1]
  3. Confirm the registration is active, that the contractor is bonded and insured, and that they keep a safe job site or have corrected past violations.[2]
  4. If the contractor will have employees on your job site, confirm they hold an active workers' comp account too.[3]

Washington L&I's contractor and tradesperson lookup

Warning signs

  • Credentials or references that cannot be verified.[3]
  • A special price that is only good if you sign today.[3]
  • Cash-only payment or a request for a large deposit upfront.[3]
  • No written contract, or a bid that is not complete.[3]
  • Asking you, the homeowner, to pull the building permit yourself.[3]
  • An exceptionally long warranty offer, or a contractor who will only work evenings and weekends.[3]

Rules that protect you

  • Bond of 30,000 dollars for a general contractor or 15,000 dollars for a specialty contractor.[4]
  • Liability insurance of 200,000 dollars public liability and 50,000 dollars property damage, or a 250,000-dollar combined single limit.[4]
  • No statutory deposit cap; pay in phases as work completes and avoid paying in full before the job is done.[3]
  • A Notice to Customer disclosure statement is required on jobs of 1,000 dollars or more at a home of four units or fewer.[5]

Cities in Washington

A city marked top-rated has no license file here to search, so it ranks contractors by Google rating; every other city stays searchable by name.

Sources

  1. Verify a Contractor, Tradesperson or Business, Washington State Department of Labor & Industries, accessed 2026-09-30
  2. Hiring a Contractor, Washington State Department of Labor & Industries, accessed 2026-09-30
  3. Hire Smart Step-by-Step, Washington State Department of Labor & Industries, accessed 2026-09-30
  4. Register as a Contractor, Washington State Department of Labor & Industries, accessed 2026-09-30
  5. RCW 18.27.114: Disclosure statement required, Washington State Legislature, accessed 2026-09-30