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Contractor license records in Concord, CA

1,214 records with Concord as their locality of record in CSLB's records, as of November 3, 2026. Statuses print as the board records them; a record listed as suspended is not a current credential.

Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.

By classification in Concord

General Building (565) · Electrical (151) · General Engineering (92) · Warm-Air Heating, Ventilating and Air-Conditioning (78) · Painting and Decorating (77) · Landscaping (69) · Plumbing (68) · Flooring and Floor Covering (51) · Roofing (37) · Low Voltage Systems (29) · Ceramic and Mosaic Tile (25) · Glazing (24) · Concrete (21) · Earthwork and Paving (18) · Cabinet, Millwork and Finish Carpentry (17) · Tree Service (17) · Hazardous Substance Removal Certification (17) · Concrete-Related Services (15) · Insulation and Acoustical (15) · Pool and Spa Maintenance (14) · Refrigeration (14) · Doors, Gates and Activating Devices (14) · Drywall (14) · Solar (13) · Building Moving/Demolition (12) · Framing and Rough Carpentry (12) · Fire Protection (12) · Masonry (11) · Lathing and Plastering (11) · Residential Remodeling (10) · Sheet Metal (10) · Prefabricated Equipment (8) · Swimming Pool (8) · Fencing (8) · Tree and Palm (8) · Boiler, Hot-Water Heating and Steam Fitting (7) · Asbestos Certification (6) · Sanitation System (5) · Metal Products (5) · Welding (5) · Siding and Decking (5) · Window Coverings (4) · Sand and Water Blasting (4) · Machinery and Pumps (4) · Non-specialized (4) · Synthetic Products (3) · Parking and Highway Improvement (3) · Elevator (3) · Lock and Security Equipment (3) · Reinforcing Steel (3) · Sign (3) · Construction Cleanup (3) · Water Conditioning (2) · Ornamental Metal (2) · Non-Electrical Sign Installation (2) · Structural Steel (2) · Hardware, Locks and Safes (2) · Pipeline (2) · Scaffolding (1) · Central Vacuum Systems (1) · Awnings (1) · Asbestos Abatement (1) · Suspended Ceilings (1) · Well Drilling (1) · Paperhanging (1) · Construction Zone Traffic Control (1)

• R S MAC FARLANE COMPANY INC DBA R S COMPANY CLEAR
  License 446848 · expires March 31, 2028
• R SAGADYN CONSTRUCTION CLEAR
  License 1115042 · expires January 31, 2028
• R&B CONCRETE & PAVERS INC CLEAR
  License 1163599 · expires October 31, 2028
• R&T FENCING INC CLEAR
  License 1154724 · expires May 31, 2028
• RAAZ CONSTRUCTION CLEAR
  License 1095065 · expires August 31, 2027
• RADESSEN CONSTRUCTION & DESIGN LLC CLEAR
  License 1081788 · expires September 30, 2027
• RAHIMI CLEAR
  License 1111393 · expires October 31, 2027
• RALPH J CAPUTO CLEAR
  License 654117 · expires September 30, 2028
• RALPH LAMMERS CONSTRUCTION INC CLEAR
  License 667467 · expires March 31, 2028
• RALYN DRYWALL CLEAR
  License 560934 · expires March 31, 2027
• RAM ROOFING LLC CLEAR
  License 1122921 · expires June 30, 2028
• RAM'S & SONS CONSTRUCTION INC CLEAR
  License 1147614 · expires December 31, 2027
• RANN VALDEZ STONE INC CLEAR
  License 831852 · expires June 30, 2028
• RATIONAL CONSTRUCTION CLEAR
  License 1114639 · expires January 31, 2028
• RAUL FERNANDO VALDERRAMA CLEAR
  License 918778 · expires July 31, 2028
• RAUL R CONSTRUCTION CLEAR
  License 997198 · expires September 30, 2028
• RAYMOND A O'CONNELL CLEAR
  License 858108 · expires November 30, 2026
• RB PLUMBING CLEAR
  License 1147252 · expires December 31, 2027
• REASONABLE TREE SERVICES INC Work Comp Susp
  License 969754 · expires February 29, 2028
• RED WHITE & BLUE CONSTRUCTION INC CLEAR
  License 1096086 · expires September 30, 2028
• REDDI-ROOTER CLEAR
  License 613193 · expires February 28, 2027
• REDEEMED CONSTRUCTION INC CLEAR
  License 1113022 · expires November 30, 2027
• REDWOOD ELECTRIC CLEAR
  License 937625 · expires September 30, 2027
• REINHOLDT ENGINEERING CONSTRUCTION CLEAR
  License 671177 · expires May 31, 2027
• RELIABLE GARAGE DOORS OF CONTRA COSTA COUNTY CLEAR
  License 1113241 · expires November 30, 2027
• REMCON INC CLEAR
  License 667702 · expires May 31, 2028
• REMODELING FOR YOU CLEAR
  License 900345 · expires July 31, 2027
• REVEL ENVIRONMENTAL MANUFACTURING INC CLEAR
  License 857410 · expires April 30, 2027
• REX LOCK & SAFE INC CLEAR
  License 691700 · expires October 31, 2027
• REYNOLDS CONSTRUCTION CLEAR
  License 403587 · expires April 30, 2027
• RICHARD AVELAR & ASSOCIATES RECONSTRUCTION SERVICES DBA CLEAR
  License 780224 · expires June 30, 2028
• RIGHT - WAY CORRIGON CLEAR
  License 850370 · expires November 30, 2026
• RIOS GLASS CLEAR
  License 1120797 · expires May 31, 2028
• RIVAS LANDSCAPE GROUP CLEAR
  License 774433 · expires February 29, 2028
• RIVENDELL WOODWORKS INC CLEAR
  License 532635 · expires January 31, 2027
• RIVERA HOME SERVICE CLEAR
  License 1117478 · expires March 31, 2028
• RIVERA LANDSCAPE CONSTRUCTION CLEAR
  License 862998 · expires October 31, 2027
• RIVERA STONEWORKS INC CLEAR
  License 1003683 · expires May 31, 2027
• RJ LANDSCAPE LLC CLEAR
  License 1128886 · expires November 30, 2028
• RM MEDICAL INC CLEAR
  License 873301 · expires May 31, 2028
• RNK MASONRY INC Contr Bond Susp
  License 1117049 · expires February 29, 2028
• ROBERT L DIAS DBA RD'S SERVICE CONTRACTOR CLEAR
  License 523223 · expires January 31, 2028
• ROBERT WILLIAMSON GENERAL CONTRACTOR CLEAR
  License 832969 · expires February 29, 2028
• ROBERT ZASTE SR CLEAR
  License 996650 · expires September 30, 2028
• ROJAS CONSTRUCTION CLEAR
  License 1024277 · expires March 31, 2027
• ROMAR CONSTRUCTION CO CLEAR
  License 489974 · expires April 30, 2028
• ROMERO'S HVAC INC CLEAR
  License 709906 · expires December 31, 2027
• RON'S WINDOW COVERINGS CLEAR
  License 627753 · expires September 30, 2027
• RONDI GENERAL SERVICE CLEAR
  License 1058309 · expires September 30, 2027
• ROSALES PAINTING INC CLEAR
  License 1099318 · expires December 31, 2026

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