Sonoma County companies A–Z

5,363 companies, from California license records. Check any of them on the state's license lookup before you hire.

WESTFALL CONSTRUCTIONFulton · General Building Contractor (B)
WESTPAC CONSTRUCTIONHealdsburg · General Engineering Contractor (A)
WESTSHORES CONSTRUCTION CORPRohnert Park · General Building Contractor (B)
WESTSIDE MECHANICAL INCORPORATEDCotati · Specialty Contractor · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36) · HVAC Contractor (C-20)
WESTWOOD BUILDERSSonoma · General Building Contractor (B)
WGE ELECTRICPetaluma · Electrical Contractor (C-10)
WHALEN FLOORINGSebastopol · Flooring Contractor (C-15)
WHARTON BUILDINGPetaluma · General Building Contractor (B)
WHELAN JOHN FLOORCOVERINGRohnert Park · Flooring Contractor (C-15)
WHIPPLE IAN CONSTRUCTIONCotati · General Building Contractor (B)
WHITE B FLOORSSanta Rosa · Flooring Contractor (C-15)
WHITE CALEB CONSTRUCTIONForestville · General Building Contractor (B)
WHITE GRAPE PAINTING INCSonoma · Painting Contractor (C-33)
WHITE MARSHALL CONSTRUCTION INCSebastopol · General Building Contractor (B)
WHITEHILL HARVEY LEE IIIVineburg · Painting Contractor (C-33)
WHITFIELD CONSTRUCTIONSanta Rosa · General Engineering Contractor (A) · General Building Contractor (B)
WHITING CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WHITNEY HOMESSanta Rosa · General Building Contractor (B)Home remodeling · Kitchen remodeling · Bathroom remodeling
WHS APPLIANCE INSTALLATIONSSebastopol · Specialty Contractor
WIB & ASSOCIATES INCSanta Rosa · General Building Contractor (B) · Plumbing Contractor (C-36)
WIEGNER CONSTRUCTION COMPANYSanta Rosa · General Building Contractor (B) · Specialty Contractor
WIELDER CONSTRUCTION INCSebastopol · General Building Contractor (B) · Demolition Contractor (C-21) · Plumbing Contractor (C-36)
WIGGINS ELECTRIC INCSanta Rosa · General Building Contractor (B) · Electrical Contractor (C-10)Valley center pivot irrigation · Irrigation remote controls · HydroRoot irrigation
WIGHTS CONSTRUCTIONSanta Rosa · General Engineering Contractor (A)
WIKIUP DESIGN & CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WILBUR JOHN CHRISTOPHERSanta Rosa · General Building Contractor (B)
WILD EARTH ARTSebastopol · Landscaping Contractor (C-27)
WILDCAT ENGINEERINGPetaluma · General Engineering Contractor (A)
WILDFIRE TREE SERVICESWindsor · Specialty Contractor
WILDLAND OVERWATCH REMODELINGSanta Rosa Valley · General Building Contractor (B)
WILDMAN FARMS LANDSCAPINGSanta Rosa · Landscaping Contractor (C-27)
WILL WILL CONSTRUCTION CORPPetaluma · General Building Contractor (B)
WILLEMS CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WILLIAM DECKER & COMPANY INCPenngrove · General Building Contractor (B) · Painting Contractor (C-33) · Specialty Contractor
WILLIAM JAMES GARGANPetaluma · General Engineering Contractor (A) · General Building Contractor (B)
WILLIAM PATRICK BUILDERSSonoma · General Building Contractor (B)
WILLIAMS BRETTSanta Rosa · Painting Contractor (C-33)
WILLIAMS CHARLES LEON CONSTRUCTIONPetaluma · General Building Contractor (B)
WILLIAMS CONSTRUCTION & REMODELPetaluma · General Building Contractor (B)
WILLIAMS MICHAEL HARRYSanta Rosa · Drywall Contractor (C-9)
WILLIAMSON DONPetaluma · General Building Contractor (B)
WILLY'S MOBILE WELDING & FABRICATIONSebastopol · Specialty Contractor
WILMARTH RICHARD NSebastopol · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6)
WILO CONSTRUCTION COPetaluma · General Building Contractor (B)
WILSON BRIAN CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WILSON C D AND ASSOCIATES LLCSanta Rosa · Cabinet, Millwork & Finish Carpentry (C-6)
WILSON CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WILSON HVAC SOLUTIONS LLCOccidental · HVAC Contractor (C-20)
WILSON RANDALL AND SONS INCVineburg · General Building Contractor (B)
WILSON'S LOCKSMITH & SECURITY CENTERSonoma · Specialty ContractorLocksmith Services · Automotive Keys & Locks · Safes & Key Cutting
WILSON'S PAINTINGSanta Rosa · Painting Contractor (C-33)
WILSONS CUSTOM BUILDSWindsor · General Building Contractor (B) · Fencing Contractor (C-13)
WIND CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WINDSOR PAINTINGWindsor · Painting Contractor (C-33)
WINDSOR PLUMBINGHealdsburg · Plumbing Contractor (C-36)
WINDSOR WATERPROOFING INCWindsor · Specialty Contractor
WINDWARD KNOLLS CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WINE COUNTRY BUILDERS INCSonoma · General Building Contractor (B)
WINE COUNTRY COUNTERTOPS LLCSanta Rosa · Specialty Contractor
WINE COUNTRY CUSTOM BUILDERS INCSonoma · General Building Contractor (B)
WINE COUNTRY ELECTRICBodega Bay · Electrical Contractor (C-10) · Specialty Contractor
WINE COUNTRY ELECTRIC CORPORATIONEl Verano · Electrical Contractor (C-10)
WINE COUNTRY ELECTRICALSanta Rosa · Electrical Contractor (C-10)
WINE COUNTRY FIRE PROTECTION & PLUMBING INCSonoma · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36)
WINE COUNTRY FLOORINGCloverdale · Flooring Contractor (C-15)
WINE COUNTRY HEATING & AIR CONDITIONINGWindsor · HVAC Contractor (C-20)
WINE COUNTRY LANDSCAPINGSonoma · Landscaping Contractor (C-27)
WINE COUNTRY PAINTERS INCPetaluma · Painting Contractor (C-33)
WINE COUNTRY POOLS & CONCRETESanta Rosa · Concrete Contractor (C-8) · Swimming Pool Contractor (C-53)
WINE COUNTRY REMODEL CORPORATIONSanta Rosa · General Building Contractor (B) · Painting Contractor (C-33) · Plumbing Contractor (C-36)
WINE COUNTRY RESTORATIONRohnert Park · Specialty Contractor · General Building Contractor (B) · Electrical Contractor (C-10)
WINE COUNTRY ROOFING INCSanta Rosa · Roofing Contractor (C-39)Asphalt Roofing · CertainTeed Roofing · Owens Corning Roofing
WINE COUNTY FLOORS INCSanta Rosa · Flooring Contractor (C-15)
WINE COUNTY HVACSonoma · HVAC Contractor (C-20)
WINEWORKS EQUIPMENT & SUPPLYSanta Rosa · General Building Contractor (B) · Specialty ContractorBarrel & Bin Washing · Used Equipment · Bottling
WINGETT CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WINGLEWICH LANDSCAPE CONTRACTINGOccidental · Landscaping Contractor (C-27)Maintenance · Stormwater · Irrigation
WINKLER AQUASCAPESWindsor · Specialty Contractor
WINSLOW MORGAN C A PARTNERSHIPSebastopol · General Building Contractor (B)
WINTERS ALLEN CONCRETE LLCSebastopol · General Engineering Contractor (A) · Concrete Contractor (C-8)
WINTERS CONSTRUCTION COMPANYSanta Rosa · General Engineering Contractor (A) · General Building Contractor (B)
WIRED & READY HOME AUTOMATION INCWindsor · Low Voltage Systems Contractor (C-7)
WIREWOLF INCGuerneville · Electrical Contractor (C-10)
WISE CONSTRUCTIONPetaluma · General Building Contractor (B)
WITTENS CHIMNEY SERVICE INCRohnert Park · Specialty ContractorChimney Cleaning · Chimney Repair and Installation · Chimney Inspections
WIZARD CONSTRUCTIONPetaluma · General Building Contractor (B)
WOEBCKE PAINTINGSonoma · Painting Contractor (C-33)
WOICICKI KYLE CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WOLCOTT ROBERT DSanta Rosa · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10)
WOLF ELECTRIC INCSonoma · Electrical Contractor (C-10)
WOLF HVAC INCCotati · Electrical Contractor (C-10) · HVAC Contractor (C-20)HVAC Installation · HVAC Maintenance · HVAC Repair
WOLFE COMMUNICATIONSSanta Rosa · Low Voltage Systems Contractor (C-7)Network Infrastructure · Hosted Solutions · Network Solutions
WOLFF CONTRACTING INCSanta Rosa · General Engineering Contractor (A) · General Building Contractor (B) · Demolition Contractor (C-21) · Plumbing Contractor (C-36)General Contracting · Commercial Projects · Planning and Consultation
WOLFF'S WELDING & FABRICATION INCSonoma · Specialty ContractorAluminum fabrication · Stainless steel fabrication · Design
WOLLMER CUSTOM BUILDINGSanta Rosa · General Building Contractor (B)
WOOD ACRE ELECTRICAL INDUSTRIESGraton · Electrical Contractor (C-10)
WOOD CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WOOD DESIGNS BY MICHAEL FURNITURE AND CABINETSSanta Rosa · Cabinet, Millwork & Finish Carpentry (C-6)
WOOD DUCK BUILDINGPetaluma · General Building Contractor (B)
WOOD RUSSELL CUSTOM CABINETSSanta Rosa · Cabinet, Millwork & Finish Carpentry (C-6)
WOOD STEVEN PLUMBING SERVICEPetaluma · Plumbing Contractor (C-36)
WOOD TOUCH INCSonoma · Cabinet, Millwork & Finish Carpentry (C-6)
WOODFORMS INCSanta Rosa · Cabinet, Millwork & Finish Carpentry (C-6)
WOODLAND'S LANDSCAPINGSanta Rosa · Landscaping Contractor (C-27)
WOODSON SCOTT PAINTINGSanta Rosa · Painting Contractor (C-33)
WOODWORKING WEST INCSebastopol · General Building Contractor (B)
WOOLEY MICHAEL TILE CONTRACTORSanta Rosa · Tile Contractor (C-54)
WOOSLEY CONCRETESanta Rosa · Concrete Contractor (C-8)
WORBY ELECTRICSebastopol · Electrical Contractor (C-10)
WORDEN ENTERPRISES INCSanta Rosa · Specialty Contractor
WORDEN RICH MASONRYWindsor · Masonry Contractor (C-29)
WORDINGER CONSTRUCTIONSebastopol · General Building Contractor (B)
WORTHINGTON CONSTRUCTIONSonoma · General Building Contractor (B)
WR CONSTRUCTION SERVICESSebastopol · General Building Contractor (B)
WRAY J CONSTRUCTION LLCSanta Rosa · General Building Contractor (B)
WRAY NJ ENTERPRISESVineburg · General Building Contractor (B)
WRIGHT & SONS CONSTRUCTIONSanta Rosa · General Building Contractor (B)
WRIGHT BRYAN JAMESSanta Rosa · General Building Contractor (B)
WRIGHT BUILDERS CAHealdsburg · General Building Contractor (B)
WRIGHT BUILDING AND DESIGNSebastopol · General Building Contractor (B)
WRIGHT CONTRACTING GENERAL BUILDERSSanta Rosa · General Building Contractor (B)
WRIGHT CONTRACTING INCSanta Rosa · General Engineering Contractor (A) · Specialty Contractor · General Building Contractor (B)
WRIGHT RESIDENTIAL CONSTRUCTION L L CSanta Rosa · General Building Contractor (B)Custom home building · High-end renovations · Home additions
WRIGHT RHODE CONSTRUCTIONRohnert Park · General Building Contractor (B)
WUI MAMMOTH CONSTRUCTION INCPetaluma · General Building Contractor (B)
WYFFELS JEFF CONSTRUCTIONSanta Rosa · General Engineering Contractor (A) · General Building Contractor (B)
X Z DEVELOPMENTS INCSanta Rosa · General Building Contractor (B)
XALOS FOUNDATION SUPPORT INCRohnert Park · Specialty Contractor
XENJA SEANNGraton · General Building Contractor (B)
XOLAR CORPORATIONSanta Rosa · General Building Contractor (B) · Electrical Contractor (C-10) · Swimming Pool Contractor (C-53)
XUPERIOR PROPERTY SERVICES CORPSanta Rosa · General Building Contractor (B)
YARD PRO INCSebastopol · Landscaping Contractor (C-27)
YEAKEL CONSTRUCTIONSanta Rosa · General Building Contractor (B)
YEDLOSKY KAMRON CONSTRUCTIONGraton · General Building Contractor (B)
YG FENCE COSanta Rosa · Fencing Contractor (C-13)
YOU NAILED IT CONSTRUCTIONPetaluma · General Building Contractor (B)
YOUNG BERTSonoma · General Building Contractor (B)
YOUNG CONSTRUCTIONSonoma · General Building Contractor (B)
YOUNG K CONSTRUCTIONSanta Rosa · General Building Contractor (B)
YOUNG TOM CONSTRUCTIONSanta Rosa · General Building Contractor (B)
YOUNG'S CONSTRUCTIONGuerneville · General Building Contractor (B)
YUKON CONSTRUCTION INCSanta Rosa · General Engineering Contractor (A) · General Building Contractor (B) · Concrete Contractor (C-8)
Z D CONSTRUCTIONSanta Rosa · General Building Contractor (B)
Z S M CONSTRUCTIONSanta Rosa · General Building Contractor (B)
ZACKS HERB WOODWORKINGPenngrove · Cabinet, Millwork & Finish Carpentry (C-6)
ZAFT LANDSCAPE INCWindsor · Landscaping Contractor (C-27)
ZAHRADNIK WOODWORKS CONSTRUCTIONBodega · General Building Contractor (B)
ZAPASanta Rosa · Landscaping Contractor (C-27) · Tile Contractor (C-54)
ZAPPETINI INCPetaluma · Specialty Contractor
ZARCO'S ELECTRICAL INCPetaluma · General Building Contractor (B) · Electrical Contractor (C-10)Knob & Tube Upgrades · Indoor & Outdoor Lighting · Service Calls
ZAVALA'S CONSTRUCTIONRohnert Park · General Building Contractor (B) · HVAC Contractor (C-20)
ZEDEK ELECTRICPetaluma · Electrical Contractor (C-10)
ZELCO ENTERPRISES INCSanta Rosa · General Building Contractor (B)
ZEN ELECTRICSanta Rosa · Electrical Contractor (C-10)
ZEN PAINTINGRohnert Park · Painting Contractor (C-33)
ZERO ENERGY ASSOCIATESSebastopol · General Building Contractor (B) · Electrical Contractor (C-10) · HVAC Contractor (C-20) · Solar Contractor (C-46)Residential HVAC · Residential Solar Energy Systems · Residential Construction Services
ZIDAN SABRI ABDELKHALIQUPetaluma · General Building Contractor (B) · Painting Contractor (C-33)
ZIMIN GARY DRAPERY INSTALLATIONSRohnert Park · Specialty Contractor
ZIPPERIAN BUILDERSMonte Rio · General Building Contractor (B)
ZP ELECTRIC LLCSebastopol · Electrical Contractor (C-10)Electrical Installation & Replacement · Electrical Maintenance & Troubleshooting · Main Panel Upgrades
ZUNINO'S HARDWOOD FLOORSPetaluma · Flooring Contractor (C-15)
ZWEIG CONSTRUCTIONOccidental · General Building Contractor (B)
ZYWICIEL PAINTINGSebastopol · Painting Contractor (C-33)

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