| Burske Construction | Zachary J Burske | zburske@gmail.com | (530) 906 1558 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Burt Built INC | Thomas Glenn Burt | — | (530) 903 0430 | GC, remodel, ADU | Pollock Pines · El Dorado County | — | — |
| Burtons Construction | Jacob Lee Burton | — | (530) 556 0138 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Byron Builders | William James Byron | — | (570) 430 4449 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| C & M Land Management INC | Cody Jay Elderd | — | (530) 409 9527 | Tree | Shingle Springs · El Dorado County | — | — |
| C 3 T Enterprises | Bryant Allen Sebren | — | (530) 409 5544 | GC, remodel, ADU | Diamond Springs · El Dorado County | — | — |
| C A M Concrete Construction | Kenneth Reed Carver | — | (530) 622 1065 | Other | Placerville · El Dorado County | — | — |
| C B C Construction | Casey Brian Combs | — | (530) 488 6020 | GC, remodel, ADU | Garden Valley · El Dorado County | — | — |
| C C D Construction INC | Eric Helmut Sommer | info@ccdconstruction.com | (916) 838 8480 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| C C I Builders INC | Jon Garret Saunders | — | (530) 409 0878 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| C D Plumbing | C D Plumbing | — | (530) 676 9306 | Other | Rescue · El Dorado County | — | — |
| C Doherty Construction | Christopher Ryan Doherty | — | (916) 705 9380 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| C G Plumbing | Christopher Bruce Graubart | — | (916) 413 2480 | Other | Cameron Park · El Dorado County | — | — |
| C J Construction | Jeffrey Joseph Schuld | — | (916) 712 3551 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| C J Construction | Carlton Dale Jacobson | — | (916) 390 1019 | GC, remodel, ADU | Garden Valley · El Dorado County | — | — |
| C L M Builder | C L M Builder | — | (530) 318 4748 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| C M G Masonry | C M G Masonry | info@cmgmasonry.com | (775) 781 5287 | Other | South Lake Tahoe · El Dorado County | — | — |
| C M Whatford Construction | Christopher Michael Whatford | — | (530) 318 1372 | GC, remodel, ADU | So Lake Tahoe · El Dorado County | — | — |
| C N W Construction INC | Teresa Michelle Guerrero | — | (916) 439 5694 | GC, remodel, ADU | Rescue · El Dorado County | — | — |
| C P Concrete | C P Concrete | — | (916) 532 8206 | Other | Camino · El Dorado County | — | — |
| C P M Development INC | Charles Loring Moore | — | (530) 929 8242 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| C R C Excavating | C R C Excavating | — | (916) 622 2175 | Other | Rescue · El Dorado County | — | — |
| C.a. Jeglinski Const. | C.a. Jeglinski Const. | — | (530) 306 9978 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Ca Home Construction | Cameron Christopher Aloia | — | (916) 202 7433 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| Cabot Construction | Cabot Tyler Zangrando | — | (530) 409 0663 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Cademartori Construction INC | Nicholas Robert Cademartori | — | (530) 306 0115 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Cal Air Systems | Trevor Alan Haun | — | (916) 747 4792 | HVAC | Shingle Springs · El Dorado County | — | — |
| Cal Basin Construction | Patrick Kelly Davis | — | (530) 957 9254 | GC, remodel, ADU | Pollock Pines · El Dorado County | — | — |
| Cal-bay Craftsmen INC | Lynn Douglas Odvody | — | (530) 929 0697 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Cal-pacific Roofing Incorporated | Kevin Brett Gavin | — | (530) 919 0926 | Other roofers | Camino · El Dorado County | — | — |
| Cal-tech Painting INC | Tracy Craig Barth | — | (916) 837 3301 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| Cal.net Broadband | Timothy A Hildabrand | — | (530) 672 1078 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Calderone Electric | Micah John Calderone | — | (530) 919 5551 | Electricians | Somerset · El Dorado County | — | — |
| Cali Construction | Lewis Mitchell Jenkins | — | (530) 903 1869 | GC, remodel, ADU | Somerset · El Dorado County | — | — |
| California Aquastore | Eric Stephen Harper | info@californiaaquastore.com | (925) 667 1039 | Other | South Lake Tahoe · El Dorado County | — | — |
| California Comfort Systems | California Comfort Systems | — | (916) 342 6372 | HVAC | Placerville · El Dorado County | — | — |
| California Concepts Painting | California Concepts Painting | — | (916) 416 7799 | Windows, patio, painters | Cameron Park · El Dorado County | — | — |
| California Cooling | California Cooling | — | (530) 621 1500 | HVAC | Somerset · El Dorado County | — | — |
| California Custom Floors | California Custom Floors | — | (530) 306 8508 | Other | Cameron Park · El Dorado County | — | — |
| California Energy Services | Roger Gordon Kilby | — | (916) 996 1283 | HVAC | El Dorado Hills · El Dorado County | — | — |