Licensed contractors in Alta Loma, CA
93 company licenses with a clear status in Alta Loma, CA, in the CSLB file of October 1, 2026.
| Contractor | License | Main classification | Expires |
|---|---|---|---|
| A C PERFECTIONS INC | 990700 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Feb 29, 2028 |
| ABLE CONTRACTING | 819252 | B — General Building | Apr 30, 2027 |
| ADVANCED AIR CLEANING INC | 1116060 | D-34 — Prefabricated Equipment | Feb 29, 2028 |
| ADVANCED ENVIRONMENTAL LANDSCAPE | 708716 | C-27 — Landscaping | Jul 31, 2027 |
| AIRQWEST HEATING & AIR CONDITIONING AMERIAIR HEATING & AIR CONDITIONING INC | 642216 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jul 31, 2027 |
| ALL YEAR SUNRISE CONCRETE INC | 918295 | B — General Building | Jun 30, 2028 |
| AMERICAN ROOF TOPS INC | 844118 | B — General Building | Aug 31, 2028 |
| AT HOME SERVICE SOLUTIONS INC | 830874 | C-10 — Electrical | Jan 31, 2028 |
| BABCOCK CONSTRUCTION INC | 793912 | B — General Building | Jan 31, 2027 |
| BALDY FIRE & SAFETY INC | 963269 | C-10 — Electrical | Jul 31, 2027 |
| BIG BLOCK CONSTRUCTION CO INC | 794082 | B — General Building | Sep 30, 2027 |
| BRYANT GEORGE CONSTRUCTION INC | 718466 | A — General Engineering | Feb 29, 2028 |
| C M B STRUCTURES INC | 613977 | A — General Engineering | May 31, 2028 |
| C W FRAMING INC | 816070 | B — General Building | Dec 31, 2026 |
| CALIFORNIA GENERATOR P S 15 INC | 873221 | C-10 — Electrical | Feb 29, 2028 |
| CALIFORNIA PATIO COVERS INC | 811777 | D-3 — Awnings | Aug 31, 2028 |
| CARROLL INSTALLATIONS INC | 822850 | C-6 — Cabinet, Millwork and Finish Carpentry | Aug 31, 2027 |
| COASTAL CONSTRUCTION CF CONSTRUCTION INC | 712569 | B — General Building | Oct 31, 2028 |
| COLON J COATINGS INC | 735800 | C-33 — Painting and Decorating | May 31, 2027 |
| COMPETITION ROOFING INC | 638220 | B — General Building | Mar 31, 2027 |
| CORNERSTONE RESTORATION INC | 988469 | B — General Building | Nov 30, 2027 |
| COVEY SHIPCOTT COVEY SHIPCOTT TILE CO INC | 371152 | C-54 — Ceramic and Mosaic Tile | Mar 31, 2027 |
| CUTTING EDGE BUILDERS INC | 787036 | B — General Building | Sep 30, 2028 |
| D T G BUILDERS INC | 550204 | B — General Building | Dec 31, 2026 |
| DDC ELECTRIC INC | 1077644 | C-10 — Electrical | Jun 30, 2027 |
| DM MECHANICAL INC | 1104592 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2027 |
| EDUTECH PREFABRICATED SOLUTIONS EDUTECH SPECIALTIES INC | 1144477 | D-34 — Prefabricated Equipment | Oct 31, 2027 |
| EKLUND FENCING AND GATES ALUMINIUM INC | 1105050 | C-13 — Fencing | May 31, 2027 |
| ELITE ERECTORS INC | 737464 | C-17 — Glazing | Jun 30, 2027 |
| ENERGY MANAGEMENT SOLUTIONS KOURTIS INDUSTRIES L T D | 848862 | B — General Building | Oct 31, 2026 |
| ENVIRONMENTAL CONTROL | 850262 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Nov 30, 2026 |
| ESTRELLA'S SPECIALIZING IN SERVICE AND INSTALLATIONS INC | 993917 | D-21 — Machinery and Pumps | Jun 30, 2028 |
| FLEMING PAINTING INC | 691996 | C-33 — Painting and Decorating | Dec 31, 2027 |
| G M G ENTERPRISE INC | 1044014 | B — General Building | Sep 30, 2028 |
| GRADING CLT SURFACING LLC | 1110312 | C-12 — Earthwork and Paving | Sep 30, 2027 |
| H B PROFESSIONAL PLUMBING INC | 744906 | C-36 — Plumbing | Jun 30, 2028 |
| HAFNER COMPANY INC | 912493 | A — General Engineering | Mar 31, 2028 |
| HAHNUS INC | 1125425 | B — General Building | Aug 31, 2028 |
| HARDSCAPE WEST INC | 838617 | A — General Engineering | Feb 29, 2028 |
| HARTMAN AND HARTMAN ELEVATOR SERVICES INCORPORATED | 980574 | C-11 — Elevator | Dec 31, 2027 |
| HYT PROS HYT CONSTRUCTION INC | 1092712 | B — General Building | Jun 30, 2028 |
| IMPRESSIVE BUILDERS INC | 1100127 | B — General Building | Dec 31, 2026 |
| INDUSTRIAL MAINTENANCE PLUMBING SERVICE INDUSTRIAL MAINTENANCE EQUIPMENT SERVICE INC | 997749 | C-36 — Plumbing | Oct 31, 2028 |
| INTERNATIONAL CONSTRUCTION BUILDERS LLC | 1106960 | A — General Engineering | Jul 31, 2027 |
| J R W GROUP INC | 810341 | B — General Building | Jul 31, 2028 |
| JADEN & SON CONSTRUCTION INC | 970625 | B — General Building | Mar 31, 2028 |
| KOHLER MECHANICAL INC | 837376 | C-36 — Plumbing | Apr 30, 2028 |
| L V ELECTRIC INC | 480110 | C-10 — Electrical | Sep 30, 2027 |
| L'OR CONSTRUCTIONS INC | 1156094 | A — General Engineering | Jun 30, 2028 |
| MOORE LEAKS SWIMMING POOL SERVICES MOORE LEAKS | 1093119 | C-53 — Swimming Pool | Jun 30, 2028 |
| MUEHLICH PAINTING INC | 339460 | C-33 — Painting and Decorating | Sep 30, 2027 |
| NB CONSTRUCTION RB COMMERCIAL & RESIDENTIAL PROJECTS INC | 1124107 | B — General Building | Jul 31, 2028 |
| NEW LATTITUDES CONSTRUCTION MONTA LINDA INC | 1066158 | B — General Building | Jun 30, 2028 |
| NORSTAR PLUMBING & ENGINEERING INC | 633471 | A — General Engineering | Feb 29, 2028 |
| P C R CONSTRUCTION INC | 828532 | B — General Building | Dec 31, 2027 |
| POWER PROS ELECTRIC CO LLC | 1039972 | C-10 — Electrical | May 31, 2028 |
| PUTNAM CONSTRUCTION INC | 489453 | B — General Building | Jan 31, 2028 |
| Q C CONSTRUCTION INC | 877316 | B — General Building | Oct 31, 2026 |
| QUALITY CONCRETE FLOOR LEVELING INC | 884789 | C-8 — Concrete | Sep 30, 2028 |
| QUALITY POOL CARE L A P TECHNOLOGIES INC | 981501 | D-35 — Pool and Spa Maintenance | Mar 31, 2027 |
| R F C SERVICES | 719686 | A — General Engineering | Mar 31, 2028 |
| RANCHO REBAR INC | 886260 | C-50 — Reinforcing Steel | Oct 31, 2026 |
| RED DOOR AND HARDWARE LLC | 1022295 | C-17 — Glazing | May 31, 2027 |
| RED STAR FIRE PROTECTION BERG FIRE PROTECTION INC | 876440 | C-10 — Electrical | May 31, 2028 |
| REFINED BY DESIGN LLC | 1158756 | B-2 — Residential Remodeling | Jul 31, 2028 |
| RELIABLE CONSTRUCTION & DOORS INC | 651029 | B — General Building | Sep 30, 2028 |
| REYCO ENGINEERING INC | 1070146 | A — General Engineering | Oct 31, 2028 |
| RICHARD WIGHTMAN CONSTRUCTION INC | 823954 | B — General Building | Oct 31, 2026 |
| ROOMS COVERS N SOLAR SARRAZIN ENTERPRISE INC | 931995 | C-10 — Electrical | Jan 31, 2027 |
| S & S STEEL REINFORCING INC | 652291 | C-50 — Reinforcing Steel | Jun 30, 2028 |
| SAGERS CONSTRUCTION INC | 1143600 | B — General Building | Sep 30, 2027 |
| SAN GABRIEL VALLEY CABINET COMPANY INC | 1034337 | C-6 — Cabinet, Millwork and Finish Carpentry | Dec 31, 2027 |
| SCI GRABOWSKI BROS CONSTRUCTION INC | 984859 | A — General Engineering | Jun 30, 2027 |
| SILVA DAVID R CONSTRUCTION INC | 629316 | B — General Building | Feb 28, 2027 |
| SOLACE PLUMBING HEATING AND AIR INC | 686729 | B — General Building | Jul 31, 2027 |
| SOUTHLAND PIPE CORPORATION | 928448 | A — General Engineering | Feb 28, 2027 |
| ST MACARIUS BUILDERS INC | 964268 | B — General Building | Aug 31, 2027 |
| SUMMERSET LANDSCAPING INC | 1024699 | C-27 — Landscaping | Sep 30, 2028 |
| SUN WINDOW COVERINGS INC | 789172 | D-52 — Window Coverings | Jan 31, 2027 |
| SWAIN SIGN INC | 643004 | C-45 — Sign | Apr 30, 2028 |
| T I CONSTRUCTION INC | 991761 | B — General Building | Apr 30, 2028 |
| TABCO CONSTRUCTION & ELECTRICAL INC | 769635 | B — General Building | Dec 31, 2026 |
| THE MAINTENANCE CONSULTANT INC | 811041 | B — General Building | Jul 31, 2028 |
| TOM MCGRAIL ROOFING INC | 673647 | C-39 — Roofing | Jul 31, 2027 |
| VALLEY ELECTRIC SERVICE COMPANY | 795947 | C-10 — Electrical | Jun 30, 2027 |
| VALLEY ELECTRIC SERVICE COMPANY LLC | 1130778 | C-10 — Electrical | Dec 31, 2026 |
| VALLEY ROOTER AND PLUMBING INC | 804165 | B — General Building | May 31, 2028 |
| VARN DEVELOPMENT VARN PAINTING INC | 906370 | A — General Engineering | Mar 31, 2028 |
| VERSATEL VERSA TELECOM GROUP INC | 791745 | C-7 — Low Voltage Systems | Mar 31, 2027 |
| WEST COAST RENOVATIONS AND IMPROVEMENTS INC | 1033426 | B — General Building | Nov 30, 2027 |
| WRIGHT JAMES MASONRY INCORPORATED | 774529 | C-8 — Concrete | Jan 31, 2028 |
| XPRESS CONCRETE INC | 911587 | A — General Engineering | Feb 29, 2028 |
| YOUR PALETTE IN PAINT LLC | 404156 | C-33 — Painting and Decorating | Apr 30, 2028 |
Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.