Contractors in Mercer Island, Washington

97 listings: general contractors (89), electricians (1), concrete & masonry (3), painters & drywall (5), excavation & demolition (1), landscaping & fencing (5).

How Do You Find a Licensed Contractor in Mercer Island, Washington?

We list 97 contractors in Mercer Island, including 97 active official state records. Washington requires contractors to register with the state. Ask for the license number, confirm it with the state or city, and get at least two written bids.

Updated November 6, 2026 · Source: official state records and OpenStreetMap (downloaded November 6, 2026).

206 Builders LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Masterworks

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Optima Fence and Deck

Mercer Island

Washington L&I: ActiveLandscaping & FencingGeneral ContractorsBondInsurance

Paint Nation Pros LLC

Mercer Island

Washington L&I: ActivePainters & DrywallGeneral ContractorsBondInsurance

Stem & Nest LLC

Mercer Island

Washington L&I: ActiveLandscaping & FencingBondInsurance

Aspen Homes NW

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Base Crew LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Blg Landscapes

Mercer Island

Washington L&I: ActiveLandscaping & FencingBondInsurance

Datta Homes LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Eightblox LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Fed Excavation Inc

Mercer Island

Washington L&I: ActiveExcavation & DemolitionGeneral ContractorsBondInsurance

Gallagher Co LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Glass Expert LLC

Mercer Island

Washington L&I: ActiveWindows, Siding & InsulationGeneral ContractorsBondInsurance

Jaymarc Ruby LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Lnl Builds LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Lumin Home LLC

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Northwest Deck

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance

Root Cause LLC

Mercer Island

Washington L&I: ActiveLandscaping & FencingBondInsurance

Space at Work

Mercer Island

Washington L&I: ActiveGeneral ContractorsBondInsurance
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Before You Hire in Mercer Island

Washington requires contractors to register with the state. Threshold: Based on activity; no project-dollar floor. Read the Washington license summary, then use the hiring checklist and compare your bids. Your city’s building department can also tell you which permits your job needs.

Other Cities in Washington

Sources: Washington L&I, Oregon CCB and New York DOL open data; © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method