Find Licensed Plumbers in Washington
Draw your sales territory: drop a pin, set a radius, and see every active plumber license inside it, with phone, email, and website.
Radius
25 miWhy ContractorRoster
The state board's job ends at the license. Ours starts there.
When you need a licensed plumber in a market you don't know, you end up with a dozen browser tabs open to state websites and no phone numbers to show for it — typically 2 to 4 hours of work. ContractorRoster delivers the complete list in minutes: every active license in your area, enriched with phone, email, and website for over 95% of records.
Washington: Washington's L&I licenses and bonds all contractors through a unified registration system, making it one of the easier states for buyers to verify contractor credentials before hiring.
Use cases
- ✓Sourcing licensed plumbing subs for a project in an unfamiliar market
- ✓Pulling a complete licensed-only call sheet for a manufacturer launch
- ✓Backfilling vendor coverage when your usual plumber can't take the job
- ✓Quoting bidders for a multi-property rehab across several cities
Top cities for plumbers in Washington
539 active plumbers licensed across Washington, with phone, email, and website on most records. See the full Washington map →
Other trades in Washington
- HVAC Contractors in Washington
- General Contractors in Washington
- Roofing Contractors in Washington
- Landscape Contractors in Washington
- Pool Contractors in Washington
- Fire-Protection Contractors in Washington
- Carpenters in Washington
- Concrete Contractors in Washington
- Masons in Washington
- Drywall Contractors in Washington
- Tile Contractors in Washington
- Excavating Contractors in Washington
- Painters in Washington
- Flooring Contractors in Washington
- All contractors in Washington →
Plumbers in other states
- Plumbers in California
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- Plumbers in Virginia
- Plumbers in Minnesota
- Plumbers in Colorado
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- Plumbers in Arizona
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- Plumbers in New York
- Plumbers in Nevada
- Plumbers in Pennsylvania
- Plumbers in Utah
- Plumbers in Connecticut
- Plumbers in Louisiana
- Plumbers in Oklahoma
- Plumbers in Alabama
- Plumbers in Arkansas
- Plumbers in West Virginia
- Plumbers in Nebraska
- Plumbers in Idaho
- Plumbers in Alaska
- Plumbers in Delaware
- Plumbers in Vermont
- All plumbers nationwide →
“I needed every licensed plumber in three counties by Wednesday for a vendor outreach campaign. The CSV hit my inbox in under 4 minutes. Used it the same afternoon.”
Daniel R.
Operations Director, building services firm, Washington
Common questions about plumbers in Washington
How many licensed plumbers are in Washington?
539 plumbers hold an active license in Washington, verified against the Washington Labor & Industries (L&I). ContractorRoster delivers the full list with phone, email, and website.
Where does the Washington plumber data come from?
Every record is sourced directly from the Washington Labor & Industries (L&I) — the official Washington licensing board — then enriched with phone, email, website, and Google ratings from public business sources.
What's included for each plumber?
Business name, license number and status, issue and expiration dates, and full address — plus phone, email, website, and Google rating where publicly available. About 9 in 10 records include a phone number.
How much does a list of Washington plumbers cost?
Pricing follows the size of the territory you draw, starting at $19 for a small area. You pay once and the CSV arrives by email within minutes — no subscription and no account required.
Is the Washington plumber list current?
Yes. The data is refreshed from the Washington Labor & Industries (L&I) on a recurring basis, last updated 2026-07-07, so you reach plumbers whose licenses are active right now.
From $19. Pay for what you draw
Draw your territory on the map; the price follows the size of the list. Pay once. CSV in your inbox in under 3 minutes. No subscription, no account.