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Contractor license records in Alta Loma, CA

236 records with Alta Loma 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 Alta Loma

General Building (101) · Electrical (27) · General Engineering (20) · Plumbing (18) · Painting and Decorating (15) · Warm-Air Heating, Ventilating and Air-Conditioning (15) · Flooring and Floor Covering (10) · Landscaping (9) · Cabinet, Millwork and Finish Carpentry (9) · Roofing (9) · Concrete (7) · Ceramic and Mosaic Tile (5) · Building Moving/Demolition (5) · Prefabricated Equipment (4) · Low Voltage Systems (4) · Fire Protection (4) · Drywall (4) · Doors, Gates and Activating Devices (3) · Masonry (3) · Hazardous Substance Removal Certification (3) · Asbestos Certification (3) · Window Coverings (3) · Glazing (2) · Tree Service (2) · Elevator (2) · Swimming Pool (2) · Refrigeration (2) · Machinery and Pumps (2) · Reinforcing Steel (2) · Asbestos Abatement (2) · Awnings (2) · Synthetic Products (2) · Pool and Spa Maintenance (2) · Fencing (1) · Earthwork and Paving (1) · Residential Remodeling (1) · Sprinklers (1) · Construction Cleanup (1) · Sheet Metal (1) · Sign (1) · Non-specialized (1) · Structural Steel (1) · Metal Products (1) · Welding (1) · Concrete-Related Services (1) · Sanitation System (1) · General Manufactured Housing (1)

• MOORE LEAKS DBA MOORE LEAKS SWIMMING POOL SERVICES CLEAR
  License 1093119 · expires June 30, 2028
• MOR ELECTRIC COMPANY CLEAR
  License 400990 · expires March 31, 2027
• MUEHLICH PAINTING INC CLEAR
  License 339460 · expires September 30, 2027
• MUELLER CONSTRUCTION CLEAR
  License 430230 · expires November 30, 2028
• NORSTAR PLUMBING & ENGINEERING INC CLEAR
  License 633471 · expires February 29, 2028
• OB'S CONSTRUCTION CLEAR
  License 989814 · expires January 31, 2028
• P & D PAINTING CLEAR
  License 776359 · expires March 31, 2028
• P C R CONSTRUCTION INC CLEAR
  License 828532 · expires December 31, 2027
• P M PAINTING CLEAR
  License 719507 · expires February 29, 2028
• PONCE ENGINEERING & CONSTRUCTION INC Contr Bond Susp
  License 1018034 · expires September 30, 2028
• POWER PROS ELECTRIC CO LLC CLEAR
  License 1039972 · expires May 31, 2028
• PURE FINISHES CLEAR
  License 578877 · expires October 31, 2027
• PUTNAM CONSTRUCTION INC CLEAR
  License 489453 · expires January 31, 2028
• Q C CONSTRUCTION INC CLEAR
  License 877316 · expires October 31, 2028
• QUALITY CONCRETE FLOOR LEVELING INC CLEAR
  License 884789 · expires September 30, 2028
• QUALITY CONSTRUCTION CLEAR
  License 689175 · expires May 31, 2028
• QUALITY POOL CARE CLEAR
  License 981501 · expires March 31, 2027
• R F C SERVICES CLEAR
  License 719686 · expires March 31, 2028
• RANCHO REBAR INC CLEAR
  License 886260 · expires October 31, 2028
• RAY'S HARDSURFACE FLOORING CLEAR
  License 891617 · expires February 28, 2027
• RB COMMERCIAL & RESIDENTIAL PROJECTS INC DBA NB CONSTRUCTION CLEAR
  License 1124107 · expires July 31, 2028
• RED DOOR AND HARDWARE LLC CLEAR
  License 1022295 · expires May 31, 2027
• RED STAR FIRE PROTECTION CLEAR
  License 876440 · expires May 31, 2028
• REFINED BY DESIGN LLC CLEAR
  License 1158756 · expires July 31, 2028
• REILLY'S PLUMBING CLEAR
  License 867638 · expires November 30, 2027
• RELIABLE CONSTRUCTION & DOORS INC CLEAR
  License 651029 · expires September 30, 2028
• REYCO ENGINEERING INC CLEAR
  License 1070146 · expires October 31, 2028
• RICHARD ALAN SANDERS CLEAR
  License 948434 · expires June 30, 2028
• RICHARD W NELSON CLEAR
  License 815648 · expires December 31, 2026
• RICHARD WIGHTMAN CONSTRUCTION INC CLEAR
  License 823954 · expires October 31, 2028
• RIDGELINE ROOFING CLEAR
  License 778793 · expires May 31, 2028
• RONQUILLO CUSTOM DESIGN CONSTRUCTION COMPANY CLEAR
  License 927682 · expires January 31, 2027
• ROOFQUEST CLEAR
  License 738656 · expires July 31, 2027
• ROSATI S I AIR CONDITIONING CLEAR
  License 371026 · expires August 31, 2027
• RYAN FIRE PROTECTION CLEAR
  License 781412 · expires July 31, 2028
• S & S STEEL REINFORCING INC CLEAR
  License 652291 · expires June 30, 2028
• S M CONSTRUCTION CLEAR
  License 754110 · expires September 30, 2028
• SAGERS CONSTRUCTION INC CLEAR
  License 1143600 · expires September 30, 2027
• SAN GABRIEL VALLEY CABINET COMPANY INC CLEAR
  License 1034337 · expires December 31, 2027
• SARRAZIN ENTERPRISE INC DBA ROOMS COVERS N SOLAR CLEAR
  License 931995 · expires January 31, 2027
• SCI CLEAR
  License 984859 · expires June 30, 2027
• SERVICE - SCAPE CLEAR
  License 858864 · expires March 14, 2027
• SHANON HOFMANN CLEAR
  License 979028 · expires November 30, 2028
• SMART HEATING & COOLING SOLUTIONS CLEAR
  License 1067848 · expires August 31, 2028
• SOCO AIR CONDITIONING COMPANY CLEAR
  License 1035698 · expires February 29, 2028
• SOLACE PLUMBING HEATING AND AIR INC CLEAR
  License 686729 · expires July 31, 2027
• SOLIS CONSTRUCTION CLEAR
  License 704701 · expires April 30, 2027
• SOUTH COAST AIR CONDITIONING CLEAR
  License 879675 · expires June 30, 2028
• SOUTHLAND PIPE CORPORATION CLEAR
  License 928448 · expires February 28, 2027
• SOUTHLAND TILE CLEAR
  License 775355 · expires February 29, 2028

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