L&I · Washington

Washington contractor license classifications

The 29 license classifications held in force by contractors in the Washington records: what each one covers and how many listed businesses hold it.

• General Contractor 915 holders Registered with L&I as a general contractor: may perform or manage work in two or more unrelated construction trades.
• Electrical Contractor (General) 168 holders An L&I general electrical contractor license: all types of electrical work.
• Residential Electrical Contractor 17 holders An L&I residential electrical specialty: electrical work in one- and two-family dwellings and small multifamily buildings.
• Limited Energy Electrical Contractor 52 holders An L&I limited energy specialty: low-voltage systems such as data, communications, alarm and control wiring.
• HVAC/Refrigeration Electrical Contractor 60 holders An L&I HVAC/refrigeration electrical specialty: the electrical work on heating, cooling and refrigeration equipment.
• Plumbing Contractor 192 holders A plumbing contractor licensed with L&I: the business employs certified plumbers to perform plumbing work.
• Painting & Wallcovering Specialty Contractor 10 holders A Washington specialty contractor registration limited to painting & wallcovering work.
• Floor Covering & Countertop Specialty Contractor 7 holders A Washington specialty contractor registration limited to floor covering & countertop work.
• Landscaping Specialty Contractor 2 holders A Washington specialty contractor registration limited to landscaping work.
• Tile & Stone Specialty Contractor 4 holders A Washington specialty contractor registration limited to tile & stone work.
• Cabinet & Finish Carpentry Specialty Contractor 4 holders A Washington specialty contractor registration limited to cabinet & finish carpentry work.
• HVAC/R Specialty Contractor 36 holders A Washington specialty contractor registration limited to hvac/r work.
• Concrete Specialty Contractor 10 holders A Washington specialty contractor registration limited to concrete work.
• Roofing Specialty Contractor 12 holders A Washington specialty contractor registration limited to roofing work.
• Tree Removal Specialty Contractor 1 holder A Washington specialty contractor registration limited to tree removal work.
• Drywall Specialty Contractor 2 holders A Washington specialty contractor registration limited to drywall work.
• Siding Specialty Contractor 1 holder A Washington specialty contractor registration limited to siding work.
• Excavation & Grading Specialty Contractor 6 holders A Washington specialty contractor registration limited to excavation & grading work.
• Masonry Specialty Contractor 2 holders A Washington specialty contractor registration limited to masonry work.
• Fencing Specialty Contractor 3 holders A Washington specialty contractor registration limited to fencing work.
• Glazing & Glass Specialty Contractor 3 holders A Washington specialty contractor registration limited to glazing & glass work.
• Welding & Ornamental Metal Specialty Contractor 3 holders A Washington specialty contractor registration limited to welding & ornamental metal work.
• Paving & Seal Coating Specialty Contractor 4 holders A Washington specialty contractor registration limited to paving & seal coating work.
• Garage Door Specialty Contractor 1 holder A Washington specialty contractor registration limited to garage door work.
• Insulation Specialty Contractor 3 holders A Washington specialty contractor registration limited to insulation work.
• Utilities & Telecommunications Specialty Contractor 12 holders A Washington specialty contractor registration limited to utilities & telecommunications work.
• Window Coverings Specialty Contractor 5 holders A Washington specialty contractor registration limited to window coverings work.
• Fire Protection Specialty Contractor 14 holders A Washington specialty contractor registration limited to fire protection work.
• Construction Clean-up Specialty Contractor 1 holder A Washington specialty contractor registration limited to construction clean-up work.

← Washington Contractor License Lookup (L&I)