License Requirements in Washington

Browse all 79 trade and professional licenses in Washington (WA). 66 require a state-level license.

Last updated 2026-05-08

By the numbers: 66 of 79 trades require a state-level license from a Washington Department, Board, or licensing Authority. Renewal periods, Continuing Education Hours, and Application Fees vary by trade β€” see each trade page for the specifics.
Trades Covered
79
State Licensed
66
No State License
13
State
WA
TradeLicense RequiredMedian Salary
🚨Alarm Installer Required $57,666
πŸ“Architect Required $110,105
⚠️Asbestos Abatement Worker Required $56,722
πŸ”¨Auctioneer Not Required $42,279
πŸ”—Bail Bondsman Not Required $49,961
πŸ’ˆBarber Required $41,670
♨️Boiler Operator Required $73,396
πŸš›CDL Driver Required $59,670
πŸ“ŠCPA Required $90,670
🏠Chimney Sweep Not Required $50,362
✈️Commercial Pilot Required $158,863
βœ‚οΈCosmetologist Required $39,670
βš–οΈCourt Reporter Not Required $75,000
πŸ—οΈCrane Operator Required $71,165
πŸ’₯Demolition Contractor Required $73,632
🦷Dental Hygienist Required $102,670
🚰Drinking Water Operator Required $63,035
πŸš‘EMT / Paramedic Required $48,250
⚑Electrician Required $75,180
πŸ›—Elevator Mechanic Required $120,855
🌍Environmental Scientist Not Required $93,196
🧴Esthetician Required $45,807
🧯Fire Sprinkler Fitter Required $75,354
⚱️Funeral Director Required $77,266
πŸ—οΈGeneral Contractor Required $88,670
πŸͺ¨Geologist Required $99,851
πŸͺŸGlazier Required $57,029
❄️HVAC Technician Required $67,890
πŸ‘‚Hearing Aid Specialist Required $69,230
πŸ”Home Inspector Required $68,900
🧱Insulation Worker Required $57,997
πŸ“‹Insurance Agent Required $68,670
πŸ—£οΈInterpreter Required $67,366
πŸ—ΊοΈLand Surveyor Required $80,912
🌿Landscape Contractor Required $65,867
πŸ›‘οΈLead Abatement Worker Required $54,527
πŸ’‰Licensed Practical Nurse Required $70,481
πŸ”Locksmith Not Required $53,701
πŸ’†Massage Therapist Required $58,834
🦠Mold Remediation Not Required $54,881
🏦Mortgage Loan Originator Required $80,782
πŸ’…Nail Technician Required $40,002
πŸ“œNotary Public Required β€”
πŸ‘“Optician Not Required $52,215
πŸ›Pest Control Operator Required $46,670
πŸ§ͺPesticide Applicator Required $47,388
πŸ’ŠPharmacy Technician Required $47,554
πŸƒPhysical Therapy Assistant Required $75,614
πŸ”©Pipefitter Required $74,528
πŸ”§Plumber Required $73,450
πŸ“ŠPolygraph Examiner Not Required $80,381
🏊Pool Contractor Required $68,841
πŸ•΅οΈPrivate Investigator Required $69,797
πŸ“¨Process Server Not Required $45,630
βš™οΈProfessional Engineer Required $118,755
πŸ“‘Radiologic Technologist Required $86,623
☒️Radon Mitigation Not Required $59,141
🏠Real Estate Agent Required $64,560
πŸ“Real Estate Appraiser Required $72,381
🩺Registered Nurse Required $98,670
🫁Respiratory Therapist Required $91,992
🏘️Roofing Contractor Required $56,670
🚌School Bus Driver Required $48,061
πŸŽ“School Counselor Required $72,817
πŸ›‘οΈSecurity Guard Required $41,984
🚽Septic System Installer Required $57,725
πŸ”¨Sheet Metal Worker Required $69,525
πŸ”ŽSkip Tracer Not Required $50,220
🀝Social Worker Required $68,888
β˜€οΈSolar Installer Required $56,250
πŸ’ͺSubstance Abuse Counselor Required $63,377
🎨Tattoo Artist Required $50,480
πŸ“šTeacher Required $78,348
πŸš—Tow Truck Operator Required $45,335
🐾Veterinary Technician Required $51,613
🏭Wastewater Operator Required $63,035
🚰Water Treatment Operator Required $63,035
πŸ”₯Welder Not Required $58,670
πŸ’§Well Driller Required $61,879

Common questions about Washington licensing

Which trades require a state-level license in Washington?

66 of the 79 trades on this page require a Washington state license. The remainder are licensed at the local/county level or not at all.

Who issues professional licenses in Washington?

Most occupational licenses in Washington are issued by the relevant state Department or licensing Board listed on each individual trade page. Renewal periods are typically 1–3 years and most boards require Continuing Education Hours between renewals.

Can I transfer my license from another state to Washington?

Reciprocity varies by trade. Washington accepts some out-of-state licenses by endorsement after Experience and Exam verification β€” check the trade-specific page for the exact policy.

Data last verified 2026. Salary data from BLS OEWS. Always verify with the relevant Washington licensing board.