Contra Costa County companies starting with a number

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

#1 QUALITY PAINTING INCRichmond · Painting Contractor (C-33)
1 DEMOLITIONEl Cerrito · Demolition Contractor (C-21) · Specialty Contractor
1 TOM PLUMBER CONCORDConcord · Plumbing Contractor (C-36)Plumbing · Drain Cleaning · Water Damage Restoration
1 UP CONSTRUCTION INCBrentwood · General Building Contractor (B)
1ST GEN HVAC LLCRichmond · HVAC Contractor (C-20)
1ST STREAMLINE CONSTRUCTION INCOakley · General Building Contractor (B)
2 R CONSTRUCTIONBay Point · General Building Contractor (B)
3 R CONSTRUCTION INCAntioch · General Building Contractor (B) · Landscaping Contractor (C-27)
3D TECHNICAL SERVICES INCClayton · General Building Contractor (B) · Electrical Contractor (C-10) · Specialty Contractor
3G BUILDERS AND RENOVATIONSan Pablo · General Building Contractor (B)
3G PLUMBINGSan Pablo · Plumbing Contractor (C-36)
3RD GENERATION PAINTINGConcord · Painting Contractor (C-33)
3VI INCSan Ramon · General Engineering Contractor (A)
4 SONS CONCRETESan Ramon · Concrete Contractor (C-8)
5 STAR TREE & LANDSCAPEWalnut Creek · Landscaping Contractor (C-27)
7 DESIGNS IRONAntioch · Steel Contractor (C-50, C-51)
8 ANGELS PRO CONCRETEClayton · Concrete Contractor (C-8)
16 ON CENTERConcord · General Building Contractor (B)
55GEEKSMartinez · Low Voltage Systems Contractor (C-7) · Electrical Contractor (C-10)
99 NORTH CONSTRUCTION & PLUMBING INCConcord · General Building Contractor (B) · Plumbing Contractor (C-36)
99 NORTH GENERAL ENGINEERINGConcord · General Engineering Contractor (A) · General Building Contractor (B) · Electrical Contractor (C-10) · Fire Protection Contractor (C-16) · HVAC Contractor (C-20) · Plumbing Contractor (C-36)
101 CONCRETE SERVICESBay Point · Concrete Contractor (C-8)
360 CONSTRUCTION J NPittsburg · General Building Contractor (B)
360 FLOORS & MORE INCAntioch · Flooring Contractor (C-15)
360 ORNAMENTAL METALPinole · Specialty Contractor
365 FURNITURE ASSEMBLYConcord · Specialty Contractor
411 HEATING & AC LLCClayton · HVAC Contractor (C-20)
500 ELITE BUILDERS LLCBrentwood · General Building Contractor (B)
505 EARTHWORKS LLCDiscovery Bay · Earthwork & Paving Contractor (C-12)
625 ST CLAIR DEVELOPMENT INCORPORATEDBrentwood · General Building Contractor (B)
680 HOME REPAIR.COMSan Ramon · General Building Contractor (B) · Electrical Contractor (C-10)
680 HOME REPAIRSSan Ramon · General Building Contractor (B) · Electrical Contractor (C-10)
925 DOOR SERVICEWalnut Creek · Specialty Contractor
925 FLOORINGConcord · Flooring Contractor (C-15)
2020 ELECTRIC INCOakley · Electrical Contractor (C-10)

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