| California Fence And Patio | California Fence And Patio | — | (530) 798 3205 | Other | Loomis · Placer County | — | — |
| California Fire And Alarm INC | Rodney Dennis Stufflebean | — | (530) 888 7004 | Electricians | Auburn · Placer County | — | — |
| California Fire And Safety | California Fire And Safety | — | (916) 716 3473 | Other | Rocklin · Placer County | — | — |
| California Fire Systems INC | Rod Dennis Stufflebean | — | (530) 888 7004 | Other | Auburn · Placer County | — | — |
| California Green Landscaping & Gardening-maintenance | California Green Landscaping & Gardening-maintenance | — | (916) 415 0892 | Windows, patio, painters | Rocklin · Placer County | — | — |
| California Icf Solutions | Robert Alfred Smith | — | (925) 408 0120 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| California Land Environmental Reclamation | California Land Environmental Reclamation | — | (916) 705 6964 | Other | Roseville · Placer County | — | — |
| California Landscape Services | Paul Douglas Mac Gowan | — | (916) 768 3546 | Windows, patio, painters | Loomis · Placer County | — | — |
| California Oasis Pool & Spa | California Oasis Pool & Spa | — | (916) 519 7250 | Pool | Rocklin · Placer County | — | — |
| California Pool Care | California Pool Care | — | (916) 300 5538 | Pool | Granite Bay · Placer County | — | — |
| California Quality Windows & Solar | California Quality Windows & Solar | — | (916) 799 2299 | Windows, patio, painters | Granite Bay · Placer County | — | — |
| California Renewable Energy | William Nicholas Hill | — | (916) 804 2243 | Other roofers | Roseville · Placer County | — | — |
| California Renovation | Earl William Mann | — | (279) 336-1624 | GC, remodel, ADU | Roseville · Placer County | — | — |
| California Roof Technicians | Joseph Christopher Delmaro | — | (510) 205 0211 | Other roofers | Lincoln · Placer County | — | — |
| California Roofing + Repair LLC | Daren Christian Anderson | — | (916) 626 1824 | Other roofers | Lincoln · Placer County | — | — |
| California Screen Company | Marion Shawn Watkins | interested@domainmarket.com | (209) 608 4382 | GC, remodel, ADU | Foresthill · Placer County | — | — |
| California Single Ply INC | Trina Maria Fanton | — | (916) 408 6800 | Other roofers | Rocklin · Placer County | — | — |
| Caligreen Landscaping INC | Mark Yurevich Puzankov | — | (916) 346 6573 | Windows, patio, painters | Roseville · Placer County | — | — |
| Call 2 Fix | Richard Frank Forsyth | — | (916) 988 5444 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Callaway Interiors | Callaway Interiors | — | (530) 308 5491 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Calpro Construction & Painting | Timothy John Ancira | — | (800) 373 1352 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Calstar Construction | Mathew Anthony Hoffer | — | (408) 429 0464 | GC, remodel, ADU | Sheridan · Placer County | — | — |
| Caltech Environmental Construction INC | Russell Allen Hudson | — | (916) 413 7233 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Calvin English | Calvin English | — | (916) 751 1286 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Camblin Steel Service INC | Jennifer Anne Nash | — | (916) 644 1300 | Other | Roseville · Placer County | — | — |
| Camcon Builders INC | James Michael Alle Campbell | james@camconbuilders.com | (530) 613 4770 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Cameron's Home Improvements | Ricky Anthony Curran | racurran90@gmail.com | (916) 664 9668 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Camillucci Concrete Co | Samuel Thomas Camillucci | — | (916) 956 4253 | Other | Foresthill · Placer County | — | — |
| Can Do Man INC | Tylor Brentton Ellinwood | — | (916) 771 5577 | Other | Loomis · Placer County | — | — |
| Cannon Company Heating & Air Conditioning | Michael James Cannon | — | (916) 216 2089 | HVAC | Colfax · Placer County | — | — |
| Canon Construction | Daniel James Canon | — | (530) 913 8777 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Canyon Oak Homes INC | Rory Louis Jr Roberts | — | (530) 883 0477 | GC, remodel, ADU | Colfax · Placer County | — | — |
| Capel Commercial | Capel Commercial | — | (916) 837 8254 | Other | Loomis · Placer County | — | — |
| Capital Arborists Incorporated | Michael William Dupont | — | (916) 412 1077 | Windows, patio, painters | Rocklin · Placer County | — | — |
| Capital City Electric | Krasnodemsky Alex | — | (916) 801 1674 | Electricians | Loomis · Placer County | — | — |
| Capital City Ironworks INC | Scott Brian Yount | — | (916) 908 9006 | Other | Rocklin · Placer County | — | — |
| Capital City Windows INC | Nikolay V Martynyuk | — | (916) 521 5985 | Windows, patio, painters | Roseville · Placer County | — | — |
| Capital Construction | Kevin Matthew Welch | design@capitalconstruction.com | (916) 277-8282 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Capital Construction | Zhigaylo Igor | design@capitalconstruction.com | (916) 277-8282 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Capital Construction Partners INC | Alan Roger Marchese | — | (916) 622 3737 | GC, remodel, ADU | Loomis · Placer County | — | — |