Licensed contractors in Winthrop, WA

133 contractors · Updated Sep 27, 2026

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Claimed and verified listings appear first.

A L Hall Construction INC

Listed

General · Winthrop, WA

License #ALHALCI987CN · $30,000 bond

Abidance INC

Listed

General · Winthrop, WA

License #ABIDAI*870C8 · $30,000 bond

All Phase Drywall LLC

Listed

General · Winthrop, WA

License #ALLPHPD790ML · $30,000 bond

Basecamp Builders LLC

Listed

General · Winthrop, WA

License #BASECBL775N8 · $30,000 bond

Bear Mountain Concrete INC

Listed

Concrete · Winthrop, WA

License #BEARMMC794KD · $15,000 bond

Big Picture Construction INC

Listed

General · Winthrop, WA

License #BIGPICI021DR · $30,000 bond

Big Valley Builders INC

Listed

General · Winthrop, WA

License #BIGVAVB927DJ · $30,000 bond

Bjornsen Construction

Listed

General · Winthrop, WA

License #BJORNC*141K7 · $30,000 bond

Boulder Creek Contracting

Listed

General · Winthrop, WA

License #BOULDCC003K6

C&B Earthworks LLC

Listed

General · Winthrop, WA

License #CBEAREL849D5 · $30,000 bond

Cahill Construction

Listed

General · Winthrop, WA

License #CAHILC*838QM · $12,000 bond

Calliope Builders

Listed

General · Winthrop, WA

License #CALLIB*827J5 · $12,000 bond

Calliope Builders LLC

Listed

General · Winthrop, WA

License #CALLIBL741JL · $30,000 bond

Cascade Concrete Prod CO INC

Listed

Concrete · Winthrop, WA

License #CASCACP962L2 · $15,000 bond

Cascade Mulching Pros LLC

Listed

General · Winthrop, WA

License #CASCAMP745DP · $30,000 bond

Crawford Electric LLC

Listed

General · Winthrop, WA

License #CRAWFEL975C7 · $4,000 bond

Creative Gardens West

Listed

General · Winthrop, WA

License #CREATGW796K6 · $30,000 bond

Drozdov Construction INC

Listed

General · Winthrop, WA

License #DROZDCI824JZ · $30,000 bond

E B Construction

Listed

General · Winthrop, WA

License #EBCONBC757DP · $30,000 bond

Ekblad Construction INC

Listed

General · Winthrop, WA

License #EKBLACI825D6 · $30,000 bond

F&S Excavation

Listed

General · Winthrop, WA

License #FSEXCE*752LL · $30,000 bond

Fisher Refrigeration

Listed

HVAC/Rfrg · Winthrop, WA

License #FISHER*870R3 · $4,000 bond

Fisher Refrigeration

Listed

Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Winthrop, WA

License #FISHER*87093 · $15,000 bond

Flow State Construction

Listed

General · Winthrop, WA

License #FLOWSSC809RB · $30,000 bond

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Built from Washington State L&I public records, updated Sep 27, 2026. Subser doesn't do star ratings or reviews — just verified records.