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General contracting in Washington (WA)

Explore 36,668 verified general contracting across Washington counties and municipalities. All credential records are sourced from the Washington State Department of Labor & Industries (WA L&I) under Revised Code of Washington RCW 18.27 (Contractor Registration), RCW 19.28 (Electrical EL01–EL06), and RCW 18.106 (Plumbing PL01/PL02) with zero lead selling or paid ranking.

Official State Licensing Portal: Washington State Department of Labor & Industries (WA L&I) Official Portal

Counties in Washington (22)

Explore regional county hubs and their underlying municipalities:

Open Municipalities in Washington (60)

Seattle 2314Vancouver 1806Spokane 1379Tacoma 1274Everett 1201Auburn 949Kent 913Renton 780Lynnwood 710Puyallup 665Bellingham 650Olympia 646Bellevue 618Federal Way 610Snohomish 606Kennewick 543Bothell 521Marysville 510Pasco 464Kirkland 460Yakima 443Spokane Valley 393Mount Vernon 362Redmond 332Lake Stevens 329Bremerton 309Gig Harbor 306Arlington 300Edmonds 288Wenatchee 276Battle Ground 275Port Orchard 273Woodinville 272Port Angeles 248Monroe 246Bonney Lake 234Moses Lake 233Spanaway 222Sequim 218Ferndale 217Shelton 213Richland 212Walla Walla 212Lakewood 210Ellensburg 206Shoreline 196Lynden 195East Wenatchee 192Longview 191Poulsbo 191Maple Valley 189Sedro Woolley 186Issaquah 179Lacey 176Burien 172Graham 162Chehalis 161Enumclaw 161Tukwila 160Ridgefield 154

Before the first call

  • Describe the job and ask whether it is within their scope and service area.
  • Check the credential with its issuing authority and ask what applies where the work will happen.
  • Ask about insurance, availability, who will do the work, and a written scope.
  • Ask about callout fees, labor or fixed rates, materials, cancellation and any estimate charge.
Prepare a project brief

Verification Overview & Key Takeaways: How to Check Official Credentials

HomeCrafto displays source records with different scopes, including licenses, registrations, municipal permits and community records. A source entry is not proof of qualification for your job. Before signing a work order or paying a deposit, homeowners should confirm that the contractor’s credential number is active, verify that the license classification covers the specific trade scope required for the job, and request a current Certificate of Insurance (COI) directly from the issuing insurance carrier. Independent verification protects your property and ensures compliance with local building codes.

How do you verify a contractor license number and insurance on official portals (FAQ)?

You can verify active license standing and consumer protection rules directly through official government portals, including Washington L&I Contractor Verify, the California Contractors State License Board (CSLB), the Connecticut eLicense Portal, USA.gov State Consumer Protection Offices, and FTC Home Improvement Consumer Guidance. Always confirm municipal permit requirements with your local building department before work begins.