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WAState License Required

Washington Contractor License

Department of Labor and Industries (L&I)

Washington requires a state-level contractor license for projects above All construction work requires contractor registration. Exam not required. NASCLA not accepted. Administered by Department of Labor and Industries (L&I).

Licensing & Bidding in Washington

Washington requires all construction contractors to register with the Department of Labor and Industries (L&I) before performing any work, so registration is a prerequisite to legally bidding statewide. Unlike many states, Washington does not use a licensing exam for general contractors — it is a registration system, not a test-based licensing system. That lowers the entry barrier, but it raises the importance of getting your paperwork exactly right, because the registration, bond, and insurance documents are what stand between you and a compliant bid.

The administrative details matter more than usual here. L&I must be listed as the certificate holder on your liability insurance, and your bond and insurance must use the exact registered business name — a mismatch can stall or invalidate your registration. Because there is no exam, qualification turns on maintaining continuous, properly documented coverage, so verify these match before you submit any bid. No continuing education is required for general registration, which keeps ongoing overhead low, but specialty trades carry their own rules: electrical is licensed at the state level, and plumbing is regulated at the local and state level. Price licensed trade subs accordingly.

For out-of-state bidders, Washington recognizes reciprocity with Oregon, easing cross-border work along that corridor. The cost of getting it wrong is significant: unregistered contracting can bring civil penalties up to $5,000, a criminal gross misdemeanor charge, work stoppage orders, and loss of lien rights. A stop-work order mid-project can devastate a bid's margin, and losing lien rights strips your ability to enforce payment. Confirm active registration, exact-name bonding, and L&I as certificate holder before you bid any Washington job.

Key Facts

GC License Required
Yes
Threshold
All construction work requires contractor registration
Exam Required
No
NASCLA Accepted
No
Official Board Website

Fees

Application Fee
$141.10
License Fee
Included in application fee
Renewal Fee
$139.10 biennially

Key Facts

  • Washington uses a registration system rather than a licensing exam system
  • No exam required for contractor registration
  • L&I must be listed as certificate holder for liability insurance
  • Bond and insurance must use exact registered business name

Insurance Requirements

General Liability
$200,000 public liability / $50,000 property damage, or $250,000 combined single limit
Workers Comp
Required for all contractors (through L&I or self-insurance)
Surety Bond
$30,000 for general contractors; $15,000 for specialty contractors

Continuing Education

Not required for general registration

Reciprocity States

OR

Specialty Licenses Required

Electrical (state)Plumbing (local/state)HVAC

How to Apply

  1. 1Complete the Contractor Registration application (available at local L&I offices)
  2. 2Obtain general liability insurance ($200K PL/$50K PD or $250K CSL)
  3. 3Purchase a surety bond ($30,000 for general; $15,000 for specialty)
  4. 4Obtain workers compensation insurance through L&I or approved self-insurance
  5. 5Notarize and submit application with signatures
  6. 6Pay $141.10 application fee

Penalties for Unlicensed Work

Civil penalties up to $5,000; criminal gross misdemeanor; loss of lien rights; work stoppage orders

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Frequently Asked Questions

Yes. Washington requires a state-level contractor license for projects above All construction work requires contractor registration. The administering board is Department of Labor and Industries (L&I).
No exam is required for contractor licensing in Washington.
General Liability: $200,000 public liability / $50,000 property damage, or $250,000 combined single limit. Workers Comp: Required for all contractors (through L&I or self-insurance). Bond: $30,000 for general contractors; $15,000 for specialty contractors.
Civil penalties up to $5,000; criminal gross misdemeanor; loss of lien rights; work stoppage orders
No. Washington uses a registration system through the Department of Labor and Industries rather than an exam-based license for general contractors. You register and maintain a bond and liability insurance instead of testing. However, specialty trades like electrical are licensed separately at the state level and have their own qualification requirements.
L&I must be listed as the certificate holder on your liability insurance, and both your bond and insurance must use your exact registered business name. Name mismatches can delay or invalidate registration. Verify these details precisely before bidding, since an incomplete registration leaves you unable to legally perform the work.
Unregistered contracting can bring civil penalties up to $5,000, a criminal gross misdemeanor charge, work stoppage orders, and loss of mechanics lien rights. A stop-work order can stall a project and destroy your margin, while losing lien rights removes your ability to enforce payment. Register before bidding to avoid all of these.

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