Licensed contractors in Winthrop, WA
A L Hall Construction INC
General · Winthrop, WA
License #ALHALCI987CN · $30,000 bond
Abidance INC
General · Winthrop, WA
License #ABIDAI*870C8 · $30,000 bond
All Phase Drywall LLC
General · Winthrop, WA
License #ALLPHPD790ML · $30,000 bond
Basecamp Builders LLC
General · Winthrop, WA
License #BASECBL775N8 · $30,000 bond
Bear Mountain Concrete INC
Concrete · Winthrop, WA
License #BEARMMC794KD · $15,000 bond
Big Picture Construction INC
General · Winthrop, WA
License #BIGPICI021DR · $30,000 bond
Big Valley Builders INC
General · Winthrop, WA
License #BIGVAVB927DJ · $30,000 bond
Bjornsen Construction
General · Winthrop, WA
License #BJORNC*141K7 · $30,000 bond
Boulder Creek Contracting
General · Winthrop, WA
License #BOULDCC003K6
C&B Earthworks LLC
General · Winthrop, WA
License #CBEAREL849D5 · $30,000 bond
Cahill Construction
General · Winthrop, WA
License #CAHILC*838QM · $12,000 bond
Calliope Builders
General · Winthrop, WA
License #CALLIB*827J5 · $12,000 bond
Calliope Builders LLC
General · Winthrop, WA
License #CALLIBL741JL · $30,000 bond
Cascade Concrete Prod CO INC
Concrete · Winthrop, WA
License #CASCACP962L2 · $15,000 bond
Cascade Mulching Pros LLC
General · Winthrop, WA
License #CASCAMP745DP · $30,000 bond
Crawford Electric LLC
General · Winthrop, WA
License #CRAWFEL975C7 · $4,000 bond
Creative Gardens West
General · Winthrop, WA
License #CREATGW796K6 · $30,000 bond
Drozdov Construction INC
General · Winthrop, WA
License #DROZDCI824JZ · $30,000 bond
E B Construction
General · Winthrop, WA
License #EBCONBC757DP · $30,000 bond
Ekblad Construction INC
General · Winthrop, WA
License #EKBLACI825D6 · $30,000 bond
F&S Excavation
General · Winthrop, WA
License #FSEXCE*752LL · $30,000 bond
Fisher Refrigeration
HVAC/Rfrg · Winthrop, WA
License #FISHER*870R3 · $4,000 bond
Fisher Refrigeration
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Winthrop, WA
License #FISHER*87093 · $15,000 bond
Flow State Construction
General · Winthrop, WA
License #FLOWSSC809RB · $30,000 bond
Trades in Winthrop
Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.