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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)

• CONCORD DEVELOPMENT & CONSTRUCTION CLEAR
  License 998809 · expires November 30, 2026
• CORONA AIR AND WATER BALANCING CLEAR
  License 1051200 · expires March 31, 2027
• D L MASTER CONSTRUCTION CLEAR
  License 866169 · expires October 31, 2027
• DAVID LI CLEAR
  License 1111958 · expires October 31, 2027
• DAVID LI CLEAR
  License 1120567 · expires August 31, 2028
• DAVID'S REPAIR CENTER CLEAR
  License 750042 · expires May 31, 2028
• DC AMPLE INC CLEAR
  License 1025233 · expires March 31, 2027
• DELUX DESIGN & CONSTRUCTION INC CLEAR
  License 1005579 · expires July 31, 2027
• DEREK CONSTRUCTION CLEAR
  License 634954 · expires January 31, 2028
• DIAMOND DOORS CLEAR
  License 898716 · expires June 30, 2027
• DIVERSIFIED COATINGS & LININGS CO CLEAR
  License 470843 · expires March 31, 2027
• DL HVAC CLEAR
  License 1120809 · expires May 31, 2028
• DM&G CONSTRUCTION AND ENGINEERING SERVICES INC O/L Entity Susp
  License 1082903 · expires October 31, 2027
• DOHOME TECHNOLOGIES CORPORATION CLEAR
  License 1147132 · expires December 31, 2027
• DONG TSAIR HWANG CLEAR
  License 697328 · expires October 31, 2028
• DSX COMMUNICATIONS CLEAR
  License 1094479 · expires July 31, 2028
• DVA CONSTRUCTION CLEAR
  License 1141289 · expires July 31, 2027
• EDUARDO SANTOS ELECTRIC CLEAR
  License 741965 · expires October 31, 2027
• ELITE PERFORMANCE FLOORING INC CLEAR
  License 999363 · expires December 31, 2026
• ENDURA CONSTRUCTION CORP CLEAR
  License 1090232 · expires April 30, 2028
• EXCELLENT GMEP CONSTRUCTION INC CLEAR
  License 1026917 · expires May 31, 2027
• EXIM CONSTRUCTION INC CLEAR
  License 1099859 · expires December 31, 2026
• EXPERT HVAC SERVICE INC CLEAR
  License 1115612 · expires January 31, 2028
• FAIRWAY REMODELING & CONSTRUCTION INC CLEAR
  License 1130064 · expires December 31, 2026
• FASHION MAPLE DESIGN AND CONSTRUCTION INC CLEAR
  License 1023915 · expires February 29, 2028
• FEI CHENG CLEAR
  License 946134 · expires April 30, 2028
• FINISHING EXPERTS INC DBA COATING FINISHES CLEAR
  License 1061501 · expires December 31, 2027
• FORMSOLUTIONS INC CLEAR
  License 1130739 · expires December 31, 2026
• FRANCISCO ECHEVERRIA CLEAR
  License 907671 · expires December 31, 2027
• FRESHCO PAINTERS INC CLEAR
  License 983458 · expires May 31, 2027
• FZ GREAT CONSTRUCTION INC CLEAR
  License 1085842 · expires January 31, 2028
• G J S CONSTRUCTION CLEAR
  License 978763 · expires November 30, 2026
• G PHILLIPS PLUMBING CLEAR
  License 526195 · expires March 31, 2027
• GABRIEL FRAUSTO UNDERGROUND CONSTRUCTION INC CLEAR
  License 1040416 · expires May 31, 2028
• GALACTRIC TECHNOLOGY CO CLEAR
  License 1052828 · expires April 30, 2027
• GARY G MILLER GENERAL BUILDING CONTRACTOR CLEAR
  License 295177 · expires January 31, 2028
• GARY HAN CLEAR
  License 828492 · expires December 31, 2027
• GEA ELECTRIC CLEAR
  License 1126733 · expires September 30, 2028
• GENALI CONSTRUCTION Contr Bond Susp
  License 839857 · expires November 30, 2027
• GENTRY VASQUEZ ELECTRIC INC CLEAR
  License 1035047 · expires April 30, 2028
• GL GME CONSTRUCTION INC CLEAR
  License 1133822 · expires March 31, 2027
• GLC CAPITAL GROUP INC DBA GLC GROUP CONSTRUCTION CLEAR
  License 1061258 · expires December 31, 2027
• GOFG CONSTRUCTION INC CLEAR
  License 1051182 · expires March 31, 2027
• GOLDEN EAST ROOFING & CONSTRUCTION INC CLEAR
  License 946835 · expires May 31, 2028
• GOLDEN SENTRY GENERAL CONTRACTORS INC CLEAR
  License 675471 · expires August 31, 2028
• GRAND WATER CLEAR
  License 938228 · expires September 30, 2027
• GREAT RIVER NEW ENERGY SERVICE CO LTD CLEAR
  License 1158727 · expires July 31, 2028
• GREEN EAGLE ENTERPRISE CORPORATION CLEAR
  License 408399 · expires June 30, 2027
• GREENLAND LANDSCAPE INC CLEAR
  License 946498 · expires April 30, 2028
• HAORAN CHEN CLEAR
  License 1093862 · expires July 31, 2028

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