Washington Professional License Lookup
Verify professional licenses in Washington. Search by name, license number, or business name.
📋 How to Verify a Contractor License in Washington State
Verify Washington State contractor licenses instantly. Compare the best WA contractor lookup tools, check L&I registration, bond status, and insurance. Free search.
Read the Washington Guide →Browse by Profession
Construction & Home Services
General Contractors
Licensed general contractors for residential and commercial construction
Electricians
Licensed electricians for residential and commercial electrical work
Plumbers
Licensed plumbers for residential and commercial plumbing
HVAC Technicians
Licensed HVAC contractors for heating, ventilation, and air conditioning
Roofing Contractors
Licensed roofing contractors
Home Inspectors
Licensed home inspectors for residential property inspections
Licensing in Washington
Washington requires state-level licensing for contractors. The licensing authority is the Washington L&I.
Visit Washington L&I →Verify Licenses in Other States
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Helpful Resources
How to Verify a Contractor License
Step-by-step guide to checking credentials before you hire.
10 Contractor Red Flags
Warning signs to watch for before signing a contract.
Bonds & Insurance Explained
What surety bonds, liability insurance, and workers comp mean for you.
Home Renovation Hiring Checklist
Everything to verify before hiring for a renovation project.
How to Verify a Professional License in Washington
Before hiring a professional in Washington, it's essential to verify their license status. LicensedCheck makes this easy by aggregating public license data from Washington licensing authorities into a fast, searchable database. Simply enter the professional's name or license number in the search bar above to check their current license status, expiration date, and any disciplinary history.
In Washington, contractors are required to hold a valid state license issued by the Washington L&I. Working with an unlicensed contractor can leave you unprotected and potentially void your homeowner's insurance coverage.
Search for licensed contractors, electricians, plumbers, HVAC technicians, and roofers in Washington.