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Contractor license records in Walnut, CA

277 records with Walnut 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 Walnut

General Building (160) · Electrical (33) · General Engineering (27) · Warm-Air Heating, Ventilating and Air-Conditioning (22) · Plumbing (20) · Painting and Decorating (10) · Low Voltage Systems (9) · Roofing (5) · Landscaping (5) · Lathing and Plastering (5) · Doors, Gates and Activating Devices (5) · Flooring and Floor Covering (4) · Cabinet, Millwork and Finish Carpentry (4) · Synthetic Products (3) · Hazardous Substance Removal Certification (3) · Fire Protection (3) · Refrigeration (3) · Solar (3) · Structural Steel (3) · Concrete (3) · Concrete-Related Services (3) · Swimming Pool (3) · Construction Cleanup (2) · Ceramic and Mosaic Tile (2) · Sign (2) · Water Conditioning (2) · Hardware, Locks and Safes (2) · Machinery and Pumps (2) · Earthwork and Paving (1) · Sanitation System (1) · Air and Water Balancing (1) · Fencing (1) · Residential Remodeling (1) · Glazing (1) · Metal Products (1) · Insulation and Acoustical (1) · Awnings (1) · Sheet Metal (1) · Prefabricated Equipment (1) · Tree Service (1) · Central Vacuum Systems (1) · Window Coverings (1)

• 126 BUILDERS INC CLEAR
  License 1086031 · expires January 31, 2028
• 365 SOLAR INC CLEAR
  License 1150110 · expires February 29, 2028
• A C S ENTERPRISES INC CLEAR
  License 940300 · expires November 30, 2027
• A DRAIN DOCTOR CLEAR
  License 803591 · expires January 31, 2028
• AAPEX CONSTRUCTION GROUP INC CLEAR
  License 1124934 · expires August 31, 2028
• AB CONSTRUCTION SERVICES CLEAR
  License 1027083 · expires December 31, 2027
• ACCESS DOORS Contr Bond Susp
  License 984988 · expires July 31, 2027
• ADVANCE WINDOWS & DOORS CLEAR
  License 417549 · expires February 29, 2028
• ADVANCED ALUMINUM AWNING CO CLEAR
  License 575140 · expires August 31, 2027
• AIR CARESAVER CORP CLEAR
  License 1054832 · expires June 30, 2027
• AIR TEMPERATURE CONTROL CLEAR
  License 449261 · expires August 31, 2027
• ALAN LUNG WONG CLEAR
  License 1062950 · expires February 29, 2028
• ALFREDO ESPARZA DBA A E ACOUSTICS CLEAR
  License 460512 · expires July 31, 2028
• ALLIANCE INDUSTRIAL REFRIGERATION SERVICES INC CLEAR
  License 825297 · expires October 31, 2027
• ALLIE BRIDGE ENERGY SOLUTIONS DBA WBE CONSTRUCTION CLEAR
  License 1106240 · expires June 30, 2027
• ALTAY FLOOR COVERING SOLUTIONS INC CLEAR
  License 1024993 · expires March 31, 2027
• AMERICAN VECTOR INC CLEAR
  License 1038463 · expires April 30, 2028
• AMIGO CHINITO CLEAR
  License 871748 · expires January 31, 2028
• ANATONE CORP CLEAR
  License 971379 · expires March 31, 2028
• ANCHAO PAN CLEAR
  License 1037685 · expires April 30, 2028
• AOLUS HVAC CLEAR
  License 1159822 · expires August 31, 2028
• APLICANO CONSTRUCTION INC CLEAR
  License 1060797 · expires November 30, 2027
• ARNOLD DE JONG CLEAR
  License 1000660 · expires January 31, 2027
• ARTISAN BUILDERS CLEAR
  License 754401 · expires November 30, 2027
• ATLAS CONSTRUCTION CLEAN-UP SERVICES CLEAR
  License 1038375 · expires April 30, 2028
• AURUM CONSTRUCTION CLEAR
  License 1111999 · expires October 31, 2027
• BEAR FLAG CONSTRUCTION CLEAR
  License 580269 · expires April 30, 2028
• BEST FAST GROUP INC CLEAR
  License 1161786 · expires September 30, 2028
• BILLARY DEVELOPMENT INC CLEAR
  License 711282 · expires August 31, 2027
• BOB WRIGHT INDUSTRIAL PROPERTIES INC CLEAR
  License 394632 · expires October 31, 2028
• BOUTROS MOUHAWAS CLEAR
  License 797671 · expires July 31, 2027
• BRUCE'S PLUMBING SERVICE CLEAR
  License 904642 · expires October 31, 2027
• C S LEGACY CONSTRUCTION INC CLEAR
  License 826870 · expires October 31, 2027
• CALIFORNIA CONSTRUCTION AND RESTORATION CLEAR
  License 1000808 · expires May 31, 2027
• CALIFORNIA GARAGE DOOR SERVICE INC CLEAR
  License 926317 · expires December 31, 2026
• CAMDOG CCTV CLEAR
  License 928036 · expires January 31, 2027
• CATHLEEN C MILLER CLEAR
  License 576933 · expires September 30, 2027
• CENTURY BUILDING AND HOME INC Contr Bond Susp
  License 972994 · expires May 31, 2028
• CERTIFIED CRANE SERVICES INC SOS Suspension
  License 450184 · expires December 31, 2027
• CHERRY AVENUE DEVELOPMENT INC CLEAR
  License 937782 · expires September 30, 2027
• CHIH-HU LU CLEAR
  License 961698 · expires June 30, 2027
• CHILLEST INDUSTRIES LLC CLEAR
  License 1100936 · expires January 31, 2027
• CHRISTOPHER BONILLA CLEAR
  License 1002675 · expires April 30, 2027
• CINDA CONSTRUCTION INC CLEAR
  License 890143 · expires July 31, 2028
• CITISIGN CLEAR
  License 1050442 · expires February 28, 2027
• CLARION CONSTRUCTION INC CLEAR
  License 577545 · expires September 30, 2027
• CLAYPOOL FRANK CONCRETE CUTTING INC CLEAR
  License 938332 · expires September 30, 2027
• CLEON CONSTRUCTION INC CLEAR
  License 1152984 · expires April 30, 2028
• COAST CABINET INSTALLATIONS INC CLEAR
  License 628685 · expires June 30, 2028
• CONCEPT ELECTRIC INC CLEAR
  License 1062738 · expires August 31, 2028

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