Washington Contractor License Search - WA L&I Lookup avatar

Washington Contractor License Search - WA L&I Lookup

Pricing

from $2.00 / 1,000 contractor licenses

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Washington Contractor License Search - WA L&I Lookup

Washington Contractor License Search - WA L&I Lookup

Search Washington L&I contractor licenses by business name, license number, UBI, city, ZIP or trade. Get status, phone, principals, bond and insurance from official daily data.wa.gov records. No key, no CAPTCHA.

Pricing

from $2.00 / 1,000 contractor licenses

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Ava Torres

Ava Torres

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4 days ago

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Search Washington State L&I contractor licenses from the official daily data.wa.gov publication (about 160k licenses, 76k active). Look up a contractor by business or principal name, license number, or UBI, or pull lead lists by city, ZIP, trade, and license date.

Each result includes:

  • business name, license number, license type, and status (ACTIVE, EXPIRED, SUSPENDED...)
  • effective, expiration, and suspension dates
  • UBI, business type, and primary principal
  • specialties (Roofing, Plumbing, HVAC/R, Painting, General...)
  • address and phone
  • all principals, bonds (surety, bond #, amount), and liability insurance (carrier, policy #, amount, expiration, agency) joined from the official L&I datasets

Results are newest license effective date first. No API key, no CAPTCHA. Pricing: $0.002 per contractor + $0.0001 start.

{ "cities": ["Seattle", "Bellevue"], "specialties": ["Roofing"], "effectiveAfter": "2026-10-01", "maxResults": 200 }
{ "licenseNumbers": ["VANYRR*743LB"], "ubis": ["606005833"] }

Use cases

Contractor verification and vendor onboarding (KYB), insurance and surety prospecting (policies about to expire), home-services and building-supply lead generation, and new-contractor outreach.

Limits

This is point-in-time public data. Confirm current status, bond, and insurance with L&I Verify a Contractor before hiring. Names are matched as substrings. The insurance list can include older policies; it is sorted by expiration date, newest first.