Washington Contractor License Requirements
verifiedState-Level License RequiredWashington requires contractor registration for all construction work. Registration through L&I — no exam required. Surety bond of at least $12,000 required. Separate licensing for electrical and plumbing.
account_balanceLicensing Board
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Board Name
Washington Department of Labor & Industries
language
phone
Phone
(800) 647-0982
descriptionLicense Types
| Type | Threshold | Notes |
|---|---|---|
| General Contractor | All work | Registration required for all construction work |
| Specialty Contractor | All work | Specific trade classifications |
| Electrical | All work | Licensed through L&I Electrical Section |
| Plumbing | All work | Licensed through L&I Plumbing Section |
checklistRequirements
- check_circleContractor registration with L&I
- check_circleSurety bond ($12,000 min)
- check_circleProof of insurance
- check_circleWorkers compensation
- check_circleUBI number
paymentsFee Schedule
Application
$171
Annual Renewal
$171
Exam Fee
Not required for registration
event_repeatRenewal Period
Biennial — registration date
shieldInsurance Minimums
General Liability
$Not specifically required
Workers Compensation
Required
swap_horizReciprocity
- arrow_forwardNo reciprocity agreements
infoData sourced from state licensing board websites. Requirements change frequently — verify with your state board before applying. Last updated April 2026.