Contra Costa County companies A–Z

7,269 companies, from California license records. Check any of them on the state's license lookup before you hire.

K & J ELECTRICConcord · Electrical Contractor (C-10)
K & M CONSTRUCTIONEl Cerrito · General Building Contractor (B)
K & M ELECTRICDiscovery Bay · Electrical Contractor (C-10)
K & R HEATING AND AIR CONDITIONING SERVICEConcord · HVAC Contractor (C-20)
K & R HEATING AND COOLING SERVICE INCConcord · HVAC Contractor (C-20)
K A B PAINTINGSan Ramon · Painting Contractor (C-33)
K B SECURITY KAMS INCOakley · Low Voltage Systems Contractor (C-7)
K BALI CONSTRUCTION INCMartinez · General Building Contractor (B)General contracting · Design · Construction management
K C CUSTOM BUILDERSPleasant Hill · General Building Contractor (B)New home construction · Home remodeling · Accessory dwelling units (ADUs)
K C FLOORING SPECIALIST INCSan Pablo · Flooring Contractor (C-15)
K C L GENERAL CONTRACTORRichmond · General Building Contractor (B)
K D M BUILDERS INCWalnut Creek · General Building Contractor (B)
K FLOORSConcord · General Building Contractor (B) · Flooring Contractor (C-15)Laminate flooring · Luxury vinyl plank (LVP) flooring · Tile flooring
K K C STRUCTURAL & BUILDING CONSTRUCTIONBay Point · General Building Contractor (B)
K L BUILDERS & DEVELOPERS INCSan Ramon · General Building Contractor (B)
K M C PLUMBING CODanville · Plumbing Contractor (C-36)
K M D CONSTRUCTIONWalnut Creek · General Building Contractor (B)
K M S GLASS LLCEl Sobrante · Glazing Contractor (C-17)Emergency board-up · Window and glass door repair · Storefront glass
K O D CONSTRUCTION INCORPORATEDLafayette · General Building Contractor (B)
K O FLOORSPittsburg · Flooring Contractor (C-15)
K R DESIGN AND CONSTRUCTIONConcord · General Building Contractor (B)
K R ELECTRIC INCSan Ramon · Electrical Contractor (C-10)Panel replacement and upgrades · EV charger installation · Generator installation
K Y ELECTRICSan Pablo · Electrical Contractor (C-10)
K-1 INTERLOCKING PAVERSEl Sobrante · General Building Contractor (B) · Specialty Contractor
K&I ELECTRICAL LLCSan Ramon · Electrical Contractor (C-10)Commercial electrical · Residential electrical · Specialty services
K&K CONSTRUCTIONConcord · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10) · Landscaping Contractor (C-27) · Plumbing Contractor (C-36)
KACI CHERIFEl Cerrito · Low Voltage Systems Contractor (C-7)
KACYRA CONSTRUCTIONPinole · General Building Contractor (B)
KAIFA CONSTRUCTION INCSan Pablo · General Building Contractor (B)
KAISER SCOTT COPittsburg · General Building Contractor (B)
KALER DAVID CONSTRUCTIONSan Ramon · General Building Contractor (B)
KALJIAN CONSTRUCTION INCConcord · General Building Contractor (B)Home repairs · Home improvements · Home remodeling
KAMAL CONSTRUCTIONSan Ramon · General Building Contractor (B)
KAMINSKI FLOORSMartinez · Flooring Contractor (C-15)
KANSAKU CHARLESAntioch · Landscaping Contractor (C-27)
KASAS BUILDERS INCEl Sobrante · General Building Contractor (B)
KASTAMANOV ALEKSANDARWalnut Creek · General Building Contractor (B)
KASTEN BUILDERSRichmond · General Building Contractor (B)Custom homes · Home remodeling · Pre-construction planning
KAT ELECTRIC SERVICE INCBay Point · Electrical Contractor (C-10)Commercial and industrial electrical · Residential electrical · Solar panel installation
KATO PLUMBINGRichmond · Plumbing Contractor (C-36)
KATONA TILEBrentwood · Tile Contractor (C-54)
KAUFMAN CONSTRUCTION INCEl Cerrito · General Building Contractor (B)
KAUFMAN HOME IMPROVEMENTConcord · General Building Contractor (B)
KAZEMI CONSTRUCTIONDanville · General Building Contractor (B)
KAZZAZ LANDSCAPINGBrentwood · General Building Contractor (B) · Landscaping Contractor (C-27)
KBD'S ELECTRICConcord · Electrical Contractor (C-10)
KBJ REMODELSEl Sobrante · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6)
KC CALDERON CONSTRUCTIONRichmond · General Building Contractor (B)
KC CONSTRUCTIONHercules · General Building Contractor (B)
KC POOL SERVICESWalnut Creek · Specialty ContractorPool maintenance · Pool cleaning · Pool repair
KCCTECH LLCWalnut Creek · General Building Contractor (B)
KCK CONSTRUCTION & REMODELING LLCPleasant Hill · General Building Contractor (B)
KD BROS CONCRETE INCRichmond · Concrete Contractor (C-8)
KEAS Z N PAINTING INCOakley · Painting Contractor (C-33)
KECHELY KEVINEl Sobrante · General Building Contractor (B)
KEENEY H V A CAntioch · HVAC Contractor (C-20)
KEEZ CONSTRUCTION INCSan Pablo · General Building Contractor (B)
KEL-AIRERodeo · Electrical Contractor (C-10) · HVAC Contractor (C-20)Heating · Cooling · Air quality solutions
KELLER ELECTRICBethel Island · Electrical Contractor (C-10)
KELLMAN CONSTRUCTION LLCRichmond · General Building Contractor (B)
KELLY AND SONAntioch · General Building Contractor (B) · Fire Protection Contractor (C-16)
KELLY AND SON LLCAntioch · General Building Contractor (B) · Fire Protection Contractor (C-16)
KELLY CONSTRUCTIONMartinez · General Building Contractor (B)
KELLY ELECTRIC INCDanville · Electrical Contractor (C-10)
KELLY INDOOR COMFORT SYSTEMSMartinez · HVAC Contractor (C-20)
KELLY PLUMBINGConcord · Plumbing Contractor (C-36)
KEMPER DEVELOPMENT KOMPANYWalnut Creek · General Building Contractor (B)
KEN THE PAINTERMartinez · Painting Contractor (C-33)
KENCO CONSTRUCTIONAntioch · General Building Contractor (B)
KENDALL J S CONSTRUCTION INCWalnut Creek · General Building Contractor (B)
KENNEDY SPA SERVICEMartinez · Specialty Contractor
KENNEY CONSTRUCTIONMartinez · General Building Contractor (B)Kitchen remodel · Bathroom remodel · Whole-home remodel
KENNEY CONSTRUCTIONLafayette · General Building Contractor (B)
KENSINGTON PAINTINGKensington · Painting Contractor (C-33)
KENSINGTON ROOFINGKensington · Roofing Contractor (C-39)Roof installation · Roof repair · Gutter installation
KENT PAINTING & FINISHING INCConcord · Painting Contractor (C-33)Interior painting · Exterior painting · Cabinet refinishing
KENTCO CONSTRUCTIONBethel Island · General Engineering Contractor (A) · General Building Contractor (B)
KEPKEE CONSTRUCTIONMartinez · General Building Contractor (B)
KEPKEE CONSTRUCTION INCMartinez · General Building Contractor (B)
KEPPER INC DBA REMODELING CONSTRUCTION SERVICESPinole · General Building Contractor (B)
KEREX ENGINEERING INCLafayette · General Engineering Contractor (A)
KEVCO REFINISHINGAntioch · Painting Contractor (C-33)Bathtub refinishing · Tile refinishing · Sink and shower pan refinishing
KEVIN'S FLOORING COMPANYBethel Island · Flooring Contractor (C-15)
KEVIN'S PAINTING AND PLUMBINGMartinez · Painting Contractor (C-33) · Plumbing Contractor (C-36)
KEYSTONE CM PARTNERS INCAlamo · General Building Contractor (B)
KEYSTONE MASONRYDanville · Masonry Contractor (C-29)
KG DRYWALLAntioch · Drywall Contractor (C-9)
KG ELECTRICConcord · Electrical Contractor (C-10)
KHOIXA CONSTRUCTION INCAntioch · General Building Contractor (B)
KHWELED & KHWELED INCSan Ramon · General Building Contractor (B)
KIAN ELECTRICBay Point · Electrical Contractor (C-10)
KICKFIRE CONSTRUCTION L PBrentwood · Swimming Pool Contractor (C-53)
KILCOLGAN CONSTRUCTIONRichmond · General Building Contractor (B) · Steel Contractor (C-50, C-51)
KILTZ CHAD MICHAELAlamo · General Building Contractor (B)
KIM HYUNGOrinda · General Building Contractor (B)
KINAO ELECTRICAntioch · Electrical Contractor (C-10)
KING JONATHANMartinez · General Building Contractor (B)
KING KONG CONSTRUCTIONConcord · General Building Contractor (B)
KING'S PLUMBINGConcord · Plumbing Contractor (C-36)
KING'S POOLSConcord · Swimming Pool Contractor (C-53)New pool and spa installation · Gunite inground pools · Pool and spa renovation and resurfacing
KINGDOM CONCRETE_CONTRACTORRichmond · Concrete Contractor (C-8)
KINGDOM ELECTRIC INCAntioch · Electrical Contractor (C-10)
KINGSTONE PAVER SERVICEConcord · Specialty Contractor
KINSER CAPITALConcord · General Building Contractor (B) · Earthwork & Paving Contractor (C-12)
KINSTLE JOHN SEl Sobrante · General Building Contractor (B)
KIOWA CONSTRUCTION INCMartinez · General Building Contractor (B)
KIPER DEVELOPMENT INCAlamo · General Building Contractor (B)New homes · Rental communities · Quick delivery homes
KIRBY ELECTRIC INCConcord · Electrical Contractor (C-10)Commercial · Institutional · Industrial
KIRBY FLOOR WORKSPacheco · Flooring Contractor (C-15) · Tile Contractor (C-54)
KIRK BECKLafayette · General Building Contractor (B) · Tile Contractor (C-54)
KIRK JEFFREY SWalnut Creek · Painting Contractor (C-33)
KISSANE COMPANYOrinda · General Building Contractor (B)
KITCHEN AND BATH XPRESSWAYConcord · General Building Contractor (B) · Flooring Contractor (C-15)
KITCHEN SOLUTIONS INCBay Point · General Building Contractor (B)
KITKO MICHAEL CONSTRUCTIONSan Ramon · General Building Contractor (B)
KIWI PAVERS INCConcord · General Building Contractor (B) · Specialty Contractor
KLC BUILDERS INCEl Cerrito · General Engineering Contractor (A) · General Building Contractor (B)
KLEONI CONSTRUCTIONOakley · General Building Contractor (B)
KMN CONSTRUCTIONEl Sobrante · General Building Contractor (B)
KNIFSEND KENNETH WAYNEAntioch · Cabinet, Millwork & Finish Carpentry (C-6)
KNIGHT CONSTRUCTION BA INCPleasant Hill · General Building Contractor (B)
KOBYLIK ALEX CONSTRUCTIONMartinez · General Building Contractor (B)
KODIAK CONSTRUCTIONMartinez · General Building Contractor (B) · Concrete Contractor (C-8)Pavers · Concrete · Stamped Concrete
KODIAK DESIGN BUILD INCOrinda · General Building Contractor (B)
KODIAK HEATING & COOLINGBrentwood · HVAC Contractor (C-20)
KOESTER CONSTRUCTIONConcord · General Building Contractor (B)
KOHLER ANTHONY B CONSTRUCTION COMPANYOakley · General Building Contractor (B)
KOMAC ELECTRIC INCMartinez · Electrical Contractor (C-10)Design-Build Electrical Services · Commercial Tenant Improvements · Ground Up Construction
KONSTRUCTO INCWalnut Creek · General Engineering Contractor (A) · General Building Contractor (B) · Fire Protection Contractor (C-16)
KOOL CONCRETEPittsburg · Concrete Contractor (C-8)
KOUTSOHANOS JONATHANMartinez · General Building Contractor (B)
KP BAY AREA CONSTRUCTION INCBrentwood · General Building Contractor (B)
KP CARPENTRY BAY AREA INCSan Pablo · General Building Contractor (B)
KPJM GENERAL & ELECTRICAL CONTRACTORS INCSan Ramon · General Building Contractor (B) · Electrical Contractor (C-10)
KRAY CABLING INCRichmond · Electrical Contractor (C-10)Cabling Installation · Local Area Network Design · Local Area Network Installation
KRISHNANBrentwood · General Engineering Contractor (A)
KRISTOF LLOYD E CONSTRUCTIONDanville · General Building Contractor (B)
KRUSE K SPittsburg · Plumbing Contractor (C-36)
KSG SOLAR SERVICES INCConcord · General Building Contractor (B) · Electrical Contractor (C-10)
KT BUILDERSDiablo · General Building Contractor (B)
KT HOME DEVELOPMENTDiablo · General Building Contractor (B)
KTF CONSTRUCTION SERVICES LLCDiscovery Bay · General Building Contractor (B)
KUBLER KLAUS CONSTRUCTIONPleasant Hill · General Building Contractor (B) · Electrical Contractor (C-10) · Plumbing Contractor (C-36)
KUHLMANN AND CHEYNE BUILDERS INCPinole · General Building Contractor (B)
KUHLTECHOakley · Earthwork & Paving Contractor (C-12)
KUMAR PRADEEP HANDYMAN SERVICESRichmond · General Building Contractor (B)
KUMNICK ELECTRICMartinez · Electrical Contractor (C-10)
KUNGA ELECTRICEl Cerrito · Electrical Contractor (C-10)
KURT'S PLUMBING & HEATINGBrentwood · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
KYIN CONSTRUCTIONOrinda · General Building Contractor (B)
KYLE TILEDiscovery Bay · Flooring Contractor (C-15) · Tile Contractor (C-54)
KYLOR CONSTRUCTION INCWalnut Creek · General Building Contractor (B)
KYRKLUND KARL MPinole · General Engineering Contractor (A)
KYVOS CONSTRUCTION INCPittsburg · General Building Contractor (B)ADU Unit · Bath Remodel · Custom Cabinets
KZ HEATING AND AIR CONDITIONINGAntioch · HVAC Contractor (C-20)
KZA-NOVA HOME REMODELING INCRichmond · General Building Contractor (B)
L & L HOME REMODELING INCAntioch · General Building Contractor (B)
L & L WINDOW PRODUCTS CORPORATIONDanville · Glazing Contractor (C-17)
L A BUILDING SERVICESBrentwood · General Building Contractor (B)
L B L ENGINEERING INCPleasant Hill · General Engineering Contractor (A)
L C CONSTRUCTIONSan Ramon · General Building Contractor (B)
L C G ELECTRICAL INCBrentwood · Electrical Contractor (C-10)
L COLUMNA GENERAL CONTRACTORConcord · General Engineering Contractor (A) · General Building Contractor (B)
L D STROBEL CO INCConcord · General Building Contractor (B) · Electrical Contractor (C-10)Cell Tower Construction · Shelter Installation · Equipment Integration
L E CONSTRUCTION HOME SERVICESSan Pablo · General Building Contractor (B)
L G CONCRETE INCPittsburg · Concrete Contractor (C-8)
L G PAINTINGConcord · Painting Contractor (C-33)
L H CONSTRUCTION.COMPittsburg · General Building Contractor (B)
L H I CONSTRUCTIONConcord · General Building Contractor (B)
L P PAINTING INCPinole · Painting Contractor (C-33)
L Q CONSTRUCTIONEl Sobrante · General Building Contractor (B)
L R PAULSELL CONSULTING ENGINEERCrockett · General Engineering Contractor (A)
L V PLUMBINGAntioch · Plumbing Contractor (C-36)
LA CRESTA BUILDING COMPANYOrinda · General Building Contractor (B)
LA HOUSE CARE AWEI INCPittsburg · General Building Contractor (B)
LA JOYA CONSTRUCTION INCConcord · General Building Contractor (B) · Cabinet, Millwork & Finish Carpentry (C-6)
LA POINTE COMPANY GENERAL BUILDERConcord · General Building Contractor (B)
LA SALLE BUILDING COMPANYOrinda · General Building Contractor (B)
LABOR UNLIMITEDDiscovery Bay · General Building Contractor (B) · Electrical Contractor (C-10)
LABOR UNLIMITED INCDiscovery Bay · General Building Contractor (B) · Electrical Contractor (C-10)
LABOWITZ CONSTRUCTIONPacheco · General Building Contractor (B)
LAFAYETTE GLASS COMPANYLafayette · Glazing Contractor (C-17)
LAFAYETTE TREE & LANDSCAPE INCLafayette · Landscaping Contractor (C-27)
LAFAYETTE WOODWORKINGConcord · General Building Contractor (B)Custom Cabinets · Bathroom Cabinets · Kitchen Cabinets
LAFFERTY CONSTRUCTION COSan Ramon · General Building Contractor (B)
LAGUNA POOL & SPA INCAntioch · Swimming Pool Contractor (C-53)
LALA'S TILE LLCRichmond · Tile Contractor (C-54)
LALO'S CUSTOM ROOFING INCPittsburg · Roofing Contractor (C-39)
LAMMERS RALPH CONSTRUCTION INCConcord · General Building Contractor (B)
LAMORINDA BUILDERS INCLafayette · General Building Contractor (B)
LAMORINDA CONSTRUCTION & CONSULTINGLafayette · General Building Contractor (B)Kitchens · Bathrooms · Interiors
LAMORINDA CONSTRUCTION CORPPleasant Hill · General Building Contractor (B)
LAMORINDA CONTRACTORClayton · General Building Contractor (B) · Painting Contractor (C-33)
LAMORINDA ELECTRICLafayette · Electrical Contractor (C-10)
LAMORINDA FENCE COConcord · Fencing Contractor (C-13)
LAMORINDA INCConcord · General Building Contractor (B) · Tile Contractor (C-54)
LAMORINDA KITCHEN AND BATHLafayette · General Building Contractor (B)
LAMORINDA PAINTINGLafayette · Painting Contractor (C-33)
LAMORINDA PAVERSLafayette · Specialty Contractor
LAMORINDA STONE TILEConcord · Tile Contractor (C-54)

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