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.

DCI CONSTRUCTIONWalnut Creek · General Building Contractor (B)Has a website
DE FREMERY CONSTRUCTIONOakley · General Building Contractor (B)
DE GROUP ROOFING AND WATERPROOFING CORPORATIONWalnut Creek · Roofing Contractor (C-39)Roofing · Waterproofing · Damp proofing
DE LEON C PLUMBING COEl Sobrante · Plumbing Contractor (C-36)
DE LIMA BUILDING SERVICESRichmond · General Building Contractor (B) · Painting Contractor (C-33)
DE LIRA CONCRETE CORPORATIONPittsburg · Concrete Contractor (C-8)
DE MARAVILLA TILEAntioch · Tile Contractor (C-54)
DE MURILLOS PAINTINGCrockett · Painting Contractor (C-33)
DE NOVA HOMES INCConcord · General Engineering Contractor (A) · General Building Contractor (B)
DE PAINTINGAntioch · Painting Contractor (C-33)
DE VITO JOSEPH D CONSTRUCTIONWalnut Creek · General Building Contractor (B)
DEAN'S ACOUSTICAL CEILINGS INCBrentwood · Insulation & Acoustical Contractor (C-2)
DECADE CONSTRUCTIONWalnut Creek · General Building Contractor (B)
DECESARIS MECHANICAL SERVICESMartinez · HVAC Contractor (C-20)
DECK MAN GENERAL CONSTRUCTIONAntioch · General Building Contractor (B)
DECORAYAL REMODELING INCConcord · General Building Contractor (B)
DECOTECH SYSTEMS INCWalnut Creek · General Building Contractor (B) · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10)
DEEMER DEVELOPMENTPleasant Hill · General Building Contractor (B)
DEEPALI PALLATHSan Ramon · General Building Contractor (B)
DEFENSIBLE SPACE AND TREE SERVICEOrinda · Specialty Contractor
DEFENTEC SECURITYSan Ramon · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10)
DEI MONTI INCPittsburg · HVAC Contractor (C-20)
DEIGNAN PAINTINGWalnut Creek · Painting Contractor (C-33)
DEL CARPIO CONSTRUCTIONBrentwood · General Building Contractor (B)
DEL DOES POOLS SERVICE AND MAINTENANCEMartinez · Specialty Contractor
DEL DOES POOLS SERVICE AND MAINTENANCE INCMartinez · Specialty Contractor
DEL MONTE MECHANICAL INCAntioch · HVAC Contractor (C-20)
DEL PINO ERNESTOOakley · General Engineering Contractor (A)
DELAMAR CONSTRUCTION CORPConcord · General Building Contractor (B)
DELANEY CONTROLS & INSTRUMENTATIONPoint Richmond · Electrical Contractor (C-10)
DELBER'S LANDSCAPING SERVICESSan Pablo · Landscaping Contractor (C-27)Landscape installation · Landscaping maintenance · Landscape lighting
DELGADILLO LANDSCAPINGPittsburg · Landscaping Contractor (C-27)
DELGADO PAINTINGPittsburg · Painting Contractor (C-33)
DELLAMAR ELECTRIC INCMoraga · Electrical Contractor (C-10)
DELPAC ELECTRIC COPittsburg · Electrical Contractor (C-10)
DELTA BAY CONCRETE CUTTING INCOakley · Specialty Contractor
DELTA BAY WATERPROOFINGAntioch · Painting Contractor (C-33)
DELTA BREEZE HEATING & AIROakley · HVAC Contractor (C-20)
DELTA CLIMATE CONTROLDiscovery Bay · HVAC Contractor (C-20)Air conditioning repair · Furnace repair · Air conditioning installation
DELTA COATINGS INCDiscovery Bay · Painting Contractor (C-33)
DELTA CONSTRUCTIONBethel Island · General Building Contractor (B)
DELTA CONTRACTING INCDiscovery Bay · Specialty Contractor · General Building Contractor (B) · Electrical Contractor (C-10)
DELTA DAWN ELECTRICOakley · Electrical Contractor (C-10)
DELTA DIABLO GARAGE DOORSAntioch · Specialty Contractor
DELTA DRAIN AND PIPEWalnut Creek · Plumbing Contractor (C-36)
DELTA EARTHWORKS & GRADING INCOakley · Earthwork & Paving Contractor (C-12)
DELTA ELECTRICAL CONSTRUCTION INCMartinez · Electrical Contractor (C-10)
DELTA FENCE CO INCBrentwood · Fencing Contractor (C-13)Chain link fences · Ornamental iron fences · Vinyl fences
DELTA GRADINGBrentwood · General Engineering Contractor (A) · General Building Contractor (B) · Earthwork & Paving Contractor (C-12)
DELTA GRINDING COMPANY INCKnightsen · General Engineering Contractor (A)
DELTA MECHANICALConcord · HVAC Contractor (C-20)
DELTA PACIFIC BUILDERS INCBethel Island · General Building Contractor (B)
DELTA PACIFIC PLUMBING INCAntioch · Plumbing Contractor (C-36)
DELTA PLUMBING AND ROOTERAntioch · Plumbing Contractor (C-36)
DELTA PRO BUILDERSBrentwood · General Building Contractor (B)
DELTA PURE WATER INCBrentwood · Plumbing Contractor (C-36) · Specialty ContractorReverse osmosis filter systems · Whole house carbon filter systems · Water softeners
DELTA T HVACOakley · HVAC Contractor (C-20)
DELTA VALLEY PLUMBING LLCBrentwood · Plumbing Contractor (C-36)
DELTA WINDOWSBrentwood · Glazing Contractor (C-17)Window installation · Door installation · Window and door maintenance
DELTA WYE ELECTRICAL SERVICES INCAntioch · General Building Contractor (B) · Electrical Contractor (C-10)
DELUX PAINTINGBrentwood · Painting Contractor (C-33)
DELVIN GARCIA CONSTRUCTION-A PARTNERSHIPRichmond · General Building Contractor (B) · Electrical Contractor (C-10) · Plumbing Contractor (C-36)
DEMOLITION MANAGEMENT GROUP INCMoraga · General Building Contractor (B)
DEMOMEXConcord · Demolition Contractor (C-21)
DENALECT INCWalnut Creek · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10)
DENCOL CONSTRUCTION CO INCBrentwood · General Building Contractor (B)
DENNIS TIM CONSTRUCTIONMartinez · General Building Contractor (B)
DEPENDABLE ROOFING INCOakley · Roofing Contractor (C-39)New construction · Commercial repair · Metal roofing
DER TISCHLER INCDiscovery Bay · General Building Contractor (B)
DEREIS CONSTRUCTION INCDiscovery Bay · General Building Contractor (B) · Fencing Contractor (C-13)
DESIGN & DELIVER CONSTRUCTIONConcord · General Building Contractor (B)
DESIGN LANDSCAPEBrentwood · Landscaping Contractor (C-27)
DESIGNER FLOORSMartinez · Flooring Contractor (C-15)
DESTNY68 CONSTRUCTIONDiscovery Bay · General Building Contractor (B)
DETAIL PAINTING INCConcord · Painting Contractor (C-33)Interior house painting · Exterior house painting · Deck and fence painting
DETAILED MODULAR CONSTRUCTION INCOakley · General Building Contractor (B)
DEVCO BUILDING ENTERPRISES LLCPacheco · General Building Contractor (B)ADU construction · ADU additions · Home additions
DEVENGENZO & COMPANYConcord · General Engineering Contractor (A) · General Building Contractor (B) · Landscaping Contractor (C-27)
DEVIL DOG CONSTRUCTION INCPittsburg · General Building Contractor (B)
DEW WILLIAM GENERAL CONTRACTOREl Cerrito · General Building Contractor (B)
DFCONCEAL LLCWalnut Creek · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10)
DG PLUMBINGClayton · Plumbing Contractor (C-36)
DHA MECHANICAL INCBrentwood · HVAC Contractor (C-20)Cooling services · Heating services · HVAC installations
DHR GENERAL CONSTRUCTION CORPAntioch · General Engineering Contractor (A)
DIABLO BOILER & STEAM INCAntioch · Specialty Contractor
DIABLO BUILTConcord · General Building Contractor (B)
DIABLO CONCRETE REMOVALPittsburg · Specialty Contractor
DIABLO CUSTOM SCREENConcord · General Building Contractor (B) · Glazing Contractor (C-17)Custom door and window screens · Glass installation · Wardrobe doors
DIABLO DELTA PAINTING COBrentwood · Painting Contractor (C-33)Residential painting · Commercial painting · Interior painting
DIABLO EXCAVATION & CONSTRUCTIONDiscovery Bay · General Engineering Contractor (A) · General Building Contractor (B)
DIABLO FLOORING INCDanville · Flooring Contractor (C-15)Hardwood flooring · Carpet · Luxury vinyl flooring
DIABLO GENERAL ENGINEERING COPleasant Hill · General Engineering Contractor (A)
DIABLO GLASS INCConcord · Glazing Contractor (C-17)Frameless shower doors · Bath and shower sliders · Mirrored walls and wardrobe doors
DIABLO HOME IMPROVEMENTMartinez · General Building Contractor (B)
DIABLO IRON & FENCE INCDanville · General Building Contractor (B) · Specialty Contractor · Steel Contractor (C-50, C-51)Driveway gates · Pedestrian gates · Exterior railings
DIABLO LAWNSCAPEClayton · Landscaping Contractor (C-27)Synthetic lawn and artificial turf insta · Irrigation installation and repair · Low voltage and LED landscape lighting
DIABLO LUXURY BUILDERSDanville · General Building Contractor (B)
DIABLO MOLDING & TRIMSan Ramon · General Building Contractor (B)
DIABLO RANGE CONSTRUCTIONBrentwood · General Building Contractor (B)
DIABLO REMODELDanville · General Building Contractor (B)
DIABLO RIDGE GROUP INCClayton · General Building Contractor (B) · Tile Contractor (C-54)New residential construction · Commercial new construction · Commercial tenant improvements
DIABLO ROOFING SERVICEAntioch · Roofing Contractor (C-39)
DIABLO ROOTERWalnut Creek · Plumbing Contractor (C-36)
DIABLO SOLAR SERVICES INCConcord · Electrical Contractor (C-10) · Solar Contractor (C-46)Residential and commercial photovoltaic · Swimming pool solar heating · Battery backup energy storage
DIABLO STRIPING INCWalnut Creek · Earthwork & Paving Contractor (C-12)
DIABLO TELECOM & CONSTRUCTION INCConcord · General Building Contractor (B) · Electrical Contractor (C-10)
DIABLO THERMAL SYSTEMS INCWalnut Creek · HVAC Contractor (C-20)
DIABLO VALLEY CONSTRUCTIONWalnut Creek · General Building Contractor (B)
DIABLO VALLEY ENGINEERING INCMartinez · General Engineering Contractor (A)
DIABLO VALLEY HEATING & AIR CONDITIONINGAntioch · HVAC Contractor (C-20)
DIABLO VALLEY LANDSCAPE AND DESIGN INCDanville · Landscaping Contractor (C-27)
DIABLO VIEW CONSTRUCTION INCClayton · General Building Contractor (B)
DIABLO WATER HEATERS INCOrinda · Plumbing Contractor (C-36)
DIAL CONSTRUCTION CORichmond · General Building Contractor (B) · Painting Contractor (C-33)
DIAMEZA CONSTRUCTIONPinole · General Building Contractor (B)
DIAMOND BRIDGE BUILDERSSan Pablo · General Building Contractor (B) · Roofing Contractor (C-39)New house construction · Full house remodeling · Bathroom remodeling
DIAMOND DOG ELECTRICAntioch · Electrical Contractor (C-10)
DIAMOND ELEVATOR INCSan Ramon · Specialty Contractor
DIAMOND MECHANICAL LLCBrentwood · HVAC Contractor (C-20)
DIAMOND PAINTINGPittsburg · Painting Contractor (C-33)
DIAMOND PAVERSAntioch · Specialty Contractor
DIAMOND PETROLEUM SERVICES INCAntioch · General Engineering Contractor (A) · Specialty Contractor
DIAMOND PLUMBING AND ROOTERConcord · Plumbing Contractor (C-36)
DIAZ HOME SERVICESEl Cerrito · General Building Contractor (B)
DIAZ MARIN POOL SERVICESRichmond · Swimming Pool Contractor (C-53)
DIAZ-ZAMORA ELECTRIC INCRichmond · Electrical Contractor (C-10)
DICKINSON CONSTRUCTIONOakley · General Building Contractor (B)
DICKINSON RICHARD LRichmond · General Building Contractor (B)
DICKSON CONSTRUCTIONDanville · General Building Contractor (B)
DIEKMAN R S & ASSOCIATESDanville · Landscaping Contractor (C-27)
DIG & DEMO INCSan Ramon · General Engineering Contractor (A) · Demolition Contractor (C-21)
DIG THIS INCWalnut Creek · Earthwork & Paving Contractor (C-12)
DIGSClayton · General Engineering Contractor (A)
DILLARD ENVIRONMENTAL SERVICESByron · General Engineering Contractor (A) · Specialty ContractorBiological waste removal · Hazardous waste removal · Debris removal
DILLON ELECTRIC INCOakley · Electrical Contractor (C-10)
DIMARTINO TODD RAlamo · General Building Contractor (B)
DIMENSION CONSTRUCTION INCPinole · General Engineering Contractor (A) · General Building Contractor (B) · Demolition Contractor (C-21) · Specialty ContractorDemolition · Deconstruction · Excavation
DIMENSION PAINTINGWalnut Creek · Painting Contractor (C-33)
DINH BROTHERS CONSTRUCTION INCBrentwood · General Building Contractor (B)
DINO'S CONTRACTING INCConcord · General Building Contractor (B)
DIO REALITY LLCDanville · General Building Contractor (B)
DION'S CONSTRUCTION COMPANYPittsburg · General Building Contractor (B)
DIRECT SOURCE CONSTRUCTIONMartinez · General Building Contractor (B) · Plumbing Contractor (C-36)
DIRT DOCTOR EXCAVATINGMartinez · General Engineering Contractor (A) · Earthwork & Paving Contractor (C-12) · Demolition Contractor (C-21)
DISCOVERY BUILDERS INCConcord · General Engineering Contractor (A) · General Building Contractor (B)
DISCOVERY COATINGSOakley · Specialty Contractor
DISCOVERY ROOFINGOakley · Roofing Contractor (C-39)
DISCOVERY WALL SYSTEMS INCBrentwood · Drywall Contractor (C-9)
DIVERSE SCAPE POOLS & SPAS INCBrentwood · Swimming Pool Contractor (C-53)
DIVERSE TRADE SERVICES INCConcord · General Building Contractor (B) · Roofing Contractor (C-39)
DIVINE FLOW PLUMBING INCRichmond · Plumbing Contractor (C-36)
DIVINO LANDSCAPEConcord · Landscaping Contractor (C-27)
DIXON BUILDING COMPANYOakley · General Building Contractor (B)
DJ CONSTRUCTIONPittsburg · General Building Contractor (B)
DKM ELECTRICALBay Point · Electrical Contractor (C-10)
DL & CE MECHANICAL INCSan Pablo · HVAC Contractor (C-20)
DL PAINTINGConcord · Painting Contractor (C-33)
DLT PLUMBING INCPittsburg · Plumbing Contractor (C-36)
DMMETALS INCRichmond · Steel Contractor (C-50, C-51)
DMP GENERAL CONTRACTINGPleasant Hill · General Building Contractor (B)
DMS CONSTRUCTIONDiscovery Bay · General Building Contractor (B)
DMZ BUILDERSConcord · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10) · Demolition Contractor (C-21)Structures · Railroad and mass transit · Utilities
DMZ/COMSTOCK JVConcord · General Engineering Contractor (A) · Electrical Contractor (C-10)
DNA GARAGE DOOR INCBrentwood · Specialty Contractor
DNA RENOVATIONSWalnut Creek · General Building Contractor (B)
DND-CON BUILDERSAntioch · General Building Contractor (B)
DNDKB INCWalnut Creek · General Building Contractor (B)
DNY ELECTRICEl Cerrito · Electrical Contractor (C-10)
DOANE CONSTRUCTIONWalnut Creek · General Building Contractor (B)
DOBSON CONSTRUCTION INCORPORATEDMartinez · General Building Contractor (B)Home remodeling · Kitchen renovations · Bathroom renovations
DOGWOOD CONSTRUCTIONWalnut Creek · General Building Contractor (B)
DOHERTY THOMAS CONSTRUCTION INCBrentwood · General Building Contractor (B)
DOLAN DESIGNOrinda · General Building Contractor (B) · Electrical Contractor (C-10)
DOMAS CONSTRUCTIONWalnut Creek · General Building Contractor (B)
DON NELSON ROOFINGDanville · Roofing Contractor (C-39)Asphalt shingle roofing installation and · Asphalt shingle roofing repair · Wood shake roofing
DONADO TREE SERVICES INCConcord · Specialty Contractor
DONALD PROFESSIONALHercules · Electrical Contractor (C-10) · Plumbing Contractor (C-36) · HVAC Contractor (C-20)
DONALD UTLEYSan Ramon · General Building Contractor (B)
DONALDSON CONCRETE CONSTRUCTIONOakley · Concrete Contractor (C-8)
DONATELLO HUGH ARMANDSan Ramon · General Building Contractor (B)
DONE RIGHT PLUMBING INCAlamo · Plumbing Contractor (C-36)
DONGALLO ALEX CONSTRUCTIONOakley · General Building Contractor (B)
DONISI LANDSCAPE CONSTRUCTIONWalnut Creek · Landscaping Contractor (C-27)
DONPEDRO'S GENERAL CONSTRUCTION COEl Sobrante · General Building Contractor (B)
DOOR2 CONSTRUCTIONWalnut Creek · General Building Contractor (B)
DOORS DONE RIGHT CONSTRUCTIONConcord · Cabinet, Millwork & Finish Carpentry (C-6) · Specialty Contractor
DOPRO CONSTRUCTION INCPleasant Hill · General Building Contractor (B) · Roofing Contractor (C-39)
DORANTES J CONSTRUCTIONConcord · General Building Contractor (B)
DOS SANTOS ADRIANOSan Pablo · Demolition Contractor (C-21)
DOUBLE A ELECTRICAL SERVICES INCRichmond · Electrical Contractor (C-10)
DOUBLE G PLUMBINGRichmond · Plumbing Contractor (C-36)
DOUBLE M PAINTING CORichmond · Painting Contractor (C-33)
DOUBLE T CONSTRUCTIONRodeo · General Building Contractor (B)
DOUG GOURLEY BUILDING CONTRACTOREl Sobrante · General Building Contractor (B)
DOUG'S PLUMBINGMartinez · Plumbing Contractor (C-36)
DOUGHERTY DUSTON ELECTRICEl Sobrante · Electrical Contractor (C-10)
DOUGLAH DESIGNS HOLDINGS LLCLafayette · General Building Contractor (B)
DOUGLAH DESIGNS INCLafayette · General Building Contractor (B)Kitchens · Bathrooms · Living spaces
DOUGLAS CONSTRUCTIONConcord · General Building Contractor (B)
DOVETAIL DEVELOPMENTWalnut Creek · General Building Contractor (B)

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