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.

J M INSULATION INCPittsburg · Insulation & Acoustical Contractor (C-2)
J M J PROPERTY MANAGEMENTWalnut Creek · General Building Contractor (B)
J M L CONSTRUCTIONClayton · General Building Contractor (B)
J M L CONSTRUCTIONConcord · General Building Contractor (B)
J M Z CONCRETE INCConcord · Concrete Contractor (C-8)
J MONTI CO INCEl Cerrito · Tile Contractor (C-54)
J N PLUMBING & ROOTER INCOakley · General Building Contractor (B) · Plumbing Contractor (C-36)
J O D R INCConcord · General Building Contractor (B)
J P A GENERAL CONTRACTORAlamo · General Building Contractor (B)
J P ELECTRICCrockett · Electrical Contractor (C-10)
J P H CONSTRUCTIONConcord · Electrical Contractor (C-10)
J P O CONSTRUCTIONDiscovery Bay · General Engineering Contractor (A)
J Q CONSTRUCTIONAntioch · General Building Contractor (B) · Low Voltage Systems Contractor (C-7)
J R CONSTRUCTIONAntioch · General Building Contractor (B)
J R E CONSTRUCTION LLCMartinez · General Building Contractor (B)
J R FLOORING SERVICES INCPittsburg · Flooring Contractor (C-15)Hardwood flooring · LVP flooring · Carpet flooring
J R PAINTING INCAntioch · Painting Contractor (C-33)
J R W CONSTRUCTION INCDanville · General Building Contractor (B)
J R W PAINTINGDanville · Painting Contractor (C-33)
J S BUILDERS LLCDanville · General Building Contractor (B)
J S ELECTRICMartinez · Electrical Contractor (C-10)
J S PLUMBINGConcord · Plumbing Contractor (C-36)
J V GENERAL CONSTRUCTIONConcord · General Building Contractor (B)
J V SERVICESSan Ramon · General Building Contractor (B)
J V TELECOMConcord · Low Voltage Systems Contractor (C-7)
J W ENTERPRISESAlamo · General Building Contractor (B) · Landscaping Contractor (C-27)
J W HARDWOOD FLOORS ETCBrentwood · Flooring Contractor (C-15)
J Z C CONSTRUCTION INCAntioch · General Building Contractor (B)
J. GEORGE CONSTRUCTIONOakley · General Building Contractor (B)
J. SOLANO CONSTRUCTIONConcord · General Building Contractor (B) · Lathing & Plastering Contractor (C-35)
J.CLUCAS CONSTRUCTIONRichmond · General Building Contractor (B)
J.I.G GENERAL CONTRACTORS INCConcord · General Building Contractor (B)
J'S MODERN LANDSCAPING INCBrentwood · Landscaping Contractor (C-27)
J'S PLUMBINGMartinez · Plumbing Contractor (C-36)
J&A BAY BUILDERS INCDiscovery Bay · General Building Contractor (B)
J&I CONSTRUCTIONRichmond · General Building Contractor (B)
J&M CONTRA COSTA ROOTER PLUMBING LLCConcord · Plumbing Contractor (C-36)
J5 HOMES CONSTRUCTIONWalnut Creek · General Building Contractor (B)
JACK'S REMODELING INCConcord · General Building Contractor (B)
JACKETT CONSTRUCTIONClayton · General Building Contractor (B)
JACKSON AND SONHercules · General Building Contractor (B) · Plumbing Contractor (C-36)
JACKSON WALTER JPleasant Hill · General Building Contractor (B)
JACOBY PAINTING & SANDBLASTINGDanville · Painting Contractor (C-33)
JAGER FLOORING & PAINTINGPleasant Hill · Flooring Contractor (C-15) · Painting Contractor (C-33)
JAGGERS PAINTING COMPANYPittsburg · Painting Contractor (C-33)
JAGS PLUMBING AND MECHANICALBrentwood · Plumbing Contractor (C-36)
JAKE'S FLOORING INCOakley · Flooring Contractor (C-15)
JAKE'S PAINT & PAPERDiscovery Bay · Painting Contractor (C-33)
JAKES ELECTRICClayton · Electrical Contractor (C-10)
JAM3 CONSTRUCTION INNOVATION INCAntioch · General Building Contractor (B)
JAMES A BENNETT LANDSCAPE DESIGN AND CONSTRUCTIONMoraga · Landscaping Contractor (C-27)
JAMES D ROGERS BUILDEROrinda · General Building Contractor (B)
JAMES M CAMPOSWalnut Creek · General Building Contractor (B)
JANUS CORPORATIONConcord · General Engineering Contractor (A) · Specialty Contractor · General Building Contractor (B) · Insulation & Acoustical Contractor (C-2) · Demolition Contractor (C-21)Abatement · Infection control · Demolition & deconstruction
JAQUITH CONSTRUCTIONAntioch · General Building Contractor (B)
JARI CONSTRUCTION INCRichmond · General Building Contractor (B)Foundation replacement & repair · French drains · Retaining walls
JARQUIN PAINTINGAntioch · Painting Contractor (C-33)
JASZ CO INCRichmond · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10)
JAWS CONSTRUCTION INCByron · General Building Contractor (B)Custom ADU construction · Home additions · Attic/garage conversions
JAY'S HANDYMAN SERVICE LLCBay Point · General Building Contractor (B)
JAYCO CONSTRUCTORS INCWalnut Creek · General Building Contractor (B)
JB & FILO'S LANDSCAPINGSan Ramon · Landscaping Contractor (C-27)
JB BUILDERDiscovery Bay · General Building Contractor (B)
JB CONSTRUCTIONRichmond · General Building Contractor (B)
JB INFRASTRUCTUREConcord · General Engineering Contractor (A) · Specialty Contractor
JBURNS BUILDERMartinez · General Building Contractor (B)
JC CONCRETEAntioch · Concrete Contractor (C-8)
JC CONSTRUCTIONAntioch · General Building Contractor (B)
JC CONSTRUCTION & STRUCTURAL INCBay Point · General Building Contractor (B)
JC PLUMBINGPinole · Plumbing Contractor (C-36)
JC SERVICES CORPMartinez · General Building Contractor (B) · Painting Contractor (C-33)
JC TREE SERVICEAntioch · Specialty Contractor
JC YARD MAINTENANCE & LANDSCAPINGOakley · Landscaping Contractor (C-27)
JCD REMODELING LLCBrentwood · General Building Contractor (B)
JCJ COUNTERS INCBrentwood · Cabinet, Millwork & Finish Carpentry (C-6) · Specialty Contractor
JCN ELECTRIC INCBay Point · Electrical Contractor (C-10)
JD COLLINS COMPANY INCOakley · General Building Contractor (B) · Specialty Contractor · Plumbing Contractor (C-36)
JD GENERAL CONSTRUCTION GROUP CORPAntioch · General Building Contractor (B)
JD LANDSCAPE AND IRRIGATIONRichmond · Landscaping Contractor (C-27)
JD TILE INCAntioch · General Building Contractor (B) · Tile Contractor (C-54)
JD'S TREE SERVICEConcord · Specialty Contractor
JDC LABORATORY CONSTRUCTION SERVICES INCAntioch · General Building Contractor (B)
JDS CONSTRUCTION ENTERPRISE INCSan Pablo · General Building Contractor (B)
JEDCO CONSULTING ENGINEERS INCEl Cerrito · General Engineering Contractor (A) · General Building Contractor (B)
JEFFERSON PAINTINGMartinez · Painting Contractor (C-33)
JENS CHRISTIAN JENSENBrentwood · Cabinet, Millwork & Finish Carpentry (C-6) · Specialty Contractor
JENSEN H C PLUMBING INCDanville · HVAC Contractor (C-20) · Plumbing Contractor (C-36) · Sheet Metal Contractor (C-43)
JENSEN MECHANICAL INCOakley · HVAC Contractor (C-20)
JENUINE PAINTINGAntioch · Painting Contractor (C-33)
JESS POOL CONSTRUCTION INCORPORATEDByron · Swimming Pool Contractor (C-53)
JESSE'S CONCRETEEl Sobrante · Concrete Contractor (C-8)
JET - HVACAntioch · HVAC Contractor (C-20)
JET TILEAntioch · Tile Contractor (C-54)
JEWEL BOX WOODWORKS INCWalnut Creek · General Building Contractor (B)
JF PLUMBINGPittsburg · Plumbing Contractor (C-36)
JFC CONSTRUCTION INCMartinez · General Engineering Contractor (A) · General Building Contractor (B)
JG CONSTRUCTIONBrentwood · General Building Contractor (B)
JG ELECTRICWalnut Creek · Electrical Contractor (C-10)
JH HOME TRANSFORMATIONSSan Ramon · General Engineering Contractor (A) · General Building Contractor (B)
JIGSAW CONSTRUCTION INCLafayette · General Building Contractor (B)
JIKANG ZHIEl Cerrito · General Building Contractor (B)
JIM'S ELECTRIC LLCSan Ramon · Electrical Contractor (C-10)
JIM'S HEATING AND AIR CONDITIONINGOakley · General Building Contractor (B) · HVAC Contractor (C-20)
JIMENEZ BOB PAINTINGAntioch · Painting Contractor (C-33)
JIMMY JOHN CONSTRUCTIONPleasant Hill · General Building Contractor (B) · Electrical Contractor (C-10)
JIMS AIR SYSTEMSOakley · General Building Contractor (B) · HVAC Contractor (C-20)
JIN188 CONSTRUCTIONConcord · General Building Contractor (B)
JISATECH WIRELESS INCHercules · Low Voltage Systems Contractor (C-7)
JJAntioch · Flooring Contractor (C-15)
JJ CONSTRUCTIONConcord · General Building Contractor (B)
JJ'S FINE PAINTING INCSan Pablo · Painting Contractor (C-33)
JJP ELECTRIC INCPittsburg · Electrical Contractor (C-10)
JL LANDSCAPING LLCAntioch · Landscaping Contractor (C-27)
JLH LEGACY FLOORINGConcord · Flooring Contractor (C-15)
JLIMA DEMOLITION SERVICESRichmond · Demolition Contractor (C-21)
JLL ELECTRIC INCMartinez · Electrical Contractor (C-10)
JM OUTDOOR SOLUTION INCRichmond · Landscaping Contractor (C-27)Landscape design and planning · Paver installation · Artificial grass installation
JMK CONSTRUCTION PROJECTSPleasant Hill · General Building Contractor (B)
JMS DEVELOPMENTWalnut Creek · General Building Contractor (B)
JN LANDSCAPERPittsburg · Landscaping Contractor (C-27)
JNB CONSTRUCTION COMPANYPinole · General Building Contractor (B)
JNC PLUMBING INCEl Sobrante · Plumbing Contractor (C-36)Water heater · Bath remodel & walk-in shower · Plumbing repair, installation & maintena
JNJ ROOTER AND PLUMBING LLCConcord · Plumbing Contractor (C-36)
JOACHIM SERVICESMartinez · General Building Contractor (B) · Electrical Contractor (C-10) · Solar Contractor (C-46)
JOBON HEATING AND AIR CONDITIONINGPleasant Hill · HVAC Contractor (C-20)AC installation · AC repair · Heat pump installation
JOE A CALLAWAYDanville · General Engineering Contractor (A) · Electrical Contractor (C-10) · Specialty Contractor
JOE O CONSTRUCTIONConcord · General Building Contractor (B)
JOE'S GARDENING & LANDSCAPE COMPANYRichmond · Landscaping Contractor (C-27)
JOE'S HOME IMPROVEMENTMartinez · General Building Contractor (B)
JOE'S RELIABLE REMODELINGPacheco · General Building Contractor (B)
JOES PROFESSIONAL PLUMBINGDanville · Plumbing Contractor (C-36)
JOEY MOTA LANDSCAPING INCDanville · Landscaping Contractor (C-27)
JOHANSON CONSTRUCTIONAlamo · General Building Contractor (B) · Low Voltage Systems Contractor (C-7)
JOHN 316 CONSTRUCTION INCConcord · General Building Contractor (B)
JOHN A MARZO JR CONSTRUCTIONPleasant Hill · General Building Contractor (B) · Electrical Contractor (C-10)
JOHN DAVID CONSTRUCTIONWalnut Creek · General Building Contractor (B)
JOHN DECESARE CONSTRUCTIONSan Ramon · General Building Contractor (B)
JOHN M PLUFFBrentwood · General Building Contractor (B) · Specialty Contractor
JOHNSON MECHANICAL LLCDanville · Plumbing Contractor (C-36) · Swimming Pool Contractor (C-53)
JOHNSON'S FLOORINGAntioch · Flooring Contractor (C-15)
JOLCRON BUILDERS INCBrentwood · General Building Contractor (B)
JOLLY STEEL COMPANY INCConcord · Steel Contractor (C-50, C-51)
JON BELTRAMI CONSTRUCTIONPinole · General Building Contractor (B) · Painting Contractor (C-33)
JON BLAIR PAINTINGPleasant Hill · Painting Contractor (C-33)
JONATHAN TOWER CONSTRUCTIONRichmond · General Building Contractor (B)
JONES ERIC CONTRACTORPleasant Hill · General Building Contractor (B) · Roofing Contractor (C-39)
JONES FLOOR DESIGNSAntioch · Flooring Contractor (C-15)
JONES J CONSTRUCTION INCDiscovery Bay · General Building Contractor (B)
JONES M CONSTRUCTION INCWalnut Creek · General Building Contractor (B)
JONES PHILLIP A BUILDING & DESIGNEl Cerrito · General Building Contractor (B)
JORDAN DRAPERY & BLINDSPinole · Specialty Contractor
JORDAN ELECTRICRichmond · Electrical Contractor (C-10)
JORDAN KENNETH CONSTRUCTIONConcord · General Building Contractor (B)
JORDAN SORRELL BLIND AND SHUTTERSBrentwood · Specialty Contractor
JORGE A APARICIOEl Sobrante · Painting Contractor (C-33)
JOSE & SON CONSTRUCTION INCPittsburg · General Building Contractor (B)
JOSEPH A GRUPALOWalnut Creek · General Building Contractor (B)
JOSHUA GENERAL CONSTRUCTION CORPRichmond · General Building Contractor (B) · Specialty Contractor
JOT CHARLOTWalnut Creek · Landscaping Contractor (C-27)
JOUKOFF PHILIP VWalnut Creek · Fire Protection Contractor (C-16) · Plumbing Contractor (C-36)
JOURNEYMAN LEVEL TELECOM INCOakley · Low Voltage Systems Contractor (C-7)
JP CONSTRUCTION & PAINTING INCConcord · Painting Contractor (C-33)
JP ELECTRICMartinez · Electrical Contractor (C-10)
JP GENERAL CONSTRUCTION SERVICES INCClayton · General Building Contractor (B)
JPRL GLASSBrentwood · Glazing Contractor (C-17)
JQ KITCHEN AND BATHConcord · General Building Contractor (B)
JR ELECTRIC & SERVICE LLCBrentwood · Electrical Contractor (C-10)
JR ELECTRIC AND GENERAL CONTRACTING INCConcord · General Building Contractor (B) · Electrical Contractor (C-10)
JR PAINTINGRichmond · Painting Contractor (C-33)
JR PAVERS INCRichmond · Specialty Contractor
JR SANTOS CORodeo · General Building Contractor (B)
JR WINDOWS & GLASS DOOR INSTALLATIONRichmond · Glazing Contractor (C-17)
JS TILESan Pablo · Tile Contractor (C-54)
JSM CONSTRUCTIONAlamo · General Building Contractor (B)
JT PAINTINGPittsburg · Painting Contractor (C-33)
JTR CONSTRUCTION COMPANY INCConcord · General Building Contractor (B)Design and build · Interior alterations · Major additions and alterations
JUAN RIOS LANDSCAPINGClayton · Landscaping Contractor (C-27)General landscaping · Concrete services · Masonry services
JUAN'S LANDSCAPEAntioch · Landscaping Contractor (C-27) · Specialty Contractor
JUAREZ FRAMINGBay Point · Cabinet, Millwork & Finish Carpentry (C-6)
JUDIEH PLUMBING HEATING & AIR LLCPittsburg · General Building Contractor (B) · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
JULIAN TREE CARE INCRichmond · Steel Contractor (C-50, C-51) · Specialty Contractor
JULIAN'S ELECTRIC AND DIGITALWalnut Creek · Electrical Contractor (C-10)
JUNIOR'S TREE SERVICE INCPacheco · Specialty Contractor
JUNIORS CONSTRUCTION & REMODELING INCAntioch · General Building Contractor (B)
JUNKCAT LLCEl Cerrito · Specialty ContractorJunk removal · Curbside pick-up · In-home pick-up
JUNKED POWERED BY VETERANS INCConcord · Demolition Contractor (C-21)Junk removal · Property cleanouts · Estate cleanouts
JURGENS DAVID M CONSTRUCTIONPacheco · General Building Contractor (B)
JUST BUILD INCSan Ramon · General Building Contractor (B)
JUST IN TIME WATER HEATERSAntioch · Plumbing Contractor (C-36)
JUST US PAINTINGEl Sobrante · Painting Contractor (C-33)
JUSTICE CONSTRUCTION COMartinez · General Building Contractor (B)
JUSTIN TIME NETWORKSAntioch · Low Voltage Systems Contractor (C-7)
JV CONSTRUCTIONOakley · General Building Contractor (B)
JVK PAINTINGBrentwood · Painting Contractor (C-33)
JVLC INCAntioch · General Building Contractor (B)
JWJ CONSTRUCTIONDanville · General Building Contractor (B)
K & B LANDSCAPE SERVICES INCConcord · Landscaping Contractor (C-27)Drought-tolerant landscaping · Artificial lawns · Masonry and concrete work
K & C CONSTRUCTIONEl Cerrito · General Building Contractor (B)
K & C GENERAL CONSTRUCTION INCBrentwood · General Building Contractor (B)
K & G REMODELINGConcord · General Building Contractor (B)

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