| California Garage Door Company | Steve Dasty Martinez | — | (855) 887 0032 | Other | El Dorado Hills · El Dorado County | — | — |
| California Masonry Concepts | California Masonry Concepts | — | (916) 337 9569 | Other | El Dorado Hills · El Dorado County | — | — |
| California Re - Key & Locksmith Services | Brian James Sullivan | — | (530) 558 5698 | Other | Cameron Park · El Dorado County | — | — |
| California Window & Exteriors INC | Jeffery Scott Petty | — | (916) 996 6062 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| Cam Electric | Timothy Lee Weeks | craigm@camelectric.com | (530) 409 8591 | Electricians | Placerville · El Dorado County | — | — |
| Cam Services Network INC | Ronald Leroy Van Voorhis | info@camservicesnetwork.com | (916) 965 8271 | Electricians | El Dorado · El Dorado County | — | — |
| Camara Construction | John David Camara | jose@camaraconstruction.com | (530) 903 3045 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Cambium Tree Service | Aaron Johnson Austin | — | (530) 215 5866 | Tree | Shingle Springs · El Dorado County | — | — |
| Cambridge Flooring Design | Cambridge Flooring Design | cfdesign574@gmail.com | (530) 672 2566 | Other | Cameron Park · El Dorado County | — | — |
| Camco Floors | Camco Floors | — | (916) 718 9327 | Other | Cool · El Dorado County | — | — |
| Cameron Construction | Stephen Movr Cameron | — | (916) 717 4172 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Campbell Custom Concrete | Campbell Custom Concrete | — | (916) 769 6778 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Campbell Custom Concrete | Campbell Custom Concrete | — | (916) 439 0471 | Other | Shingle Springs · El Dorado County | — | — |
| Campodonico Construction | Bruce Howard Campodonico | — | (530) 577 0834 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Capital Aire Systems | Drady Lee Jones | — | (530) 626 0948 | HVAC | Shingle Springs · El Dorado County | — | — |
| Cardinale Electric | Joseph Vincent Cardinale | — | (408) 209 7313 | Electricians | South Lake Tahoe · El Dorado County | — | — |
| Cardinalli Enterprises INC DBA Cei Construction | Thomas Ward Cardinalli | — | (530) 409 5018 | Other | Cameron Park · El Dorado County | — | — |
| Care Tree Care | Care Tree Care | — | (916) 706 7034 | Tree | Greenwood · El Dorado County | — | — |
| Carl P Yanoski DBA Yan-mar Communications | Yan-mar Communications | — | (916) 296 7309 | Electricians | El Dorado · El Dorado County | — | — |
| Carlson Custom Construction | Carlson David | — | (858) 945 3500 | GC, remodel, ADU | S Lake Tahoe · El Dorado County | — | — |
| Carlson Remodel & Repair | Corey Jack Carlson | — | (530) 545 9993 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Carnahan Electric Ltd | John Malcolm Carnahan | — | (530) 642 2476 | Electricians | Diamond Springs · El Dorado County | — | — |
| Caro Built Construction | Ryan Evan Caro | — | (530) 307 3111 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Caro Construction | Jesus Jose Caro | — | (530) 613 5721 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Carrero Painting | Carrero Painting | — | (530) 417 5625 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| Carrillo Concrete & Masonry | Carrillo Concrete & Masonry | — | (510) 773 3329 | Other | Placerville · El Dorado County | — | — |
| Carroll Electric Incorporated | Earl Louis Iii Carroll | — | (916) 439 0767 | Electricians | El Dorado Hills · El Dorado County | — | — |
| Carsten Tree Service | Daniel James Carsten | carstentree@att.net | (530) 644 1038 | Tree | Diamond Springs · El Dorado County | — | — |
| Carter Unruh Flooring | Carter Unruh Flooring | — | (916) 439 3301 | Other | El Dorado Hills · El Dorado County | — | — |
| Carter/kelly Construction Management Services INC | James Edgar Carter | — | (530) 621 0950 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Carter/kelly Incorporated | James Edgar Carter | — | (530) 621 0950 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Carvers Construction | Michael Allen Carver | — | (916) 792 0272 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Cary Smith | Cary Smith | — | (530) 626 0328 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Cascadian Landscape INC | Robert Michael| Delong Robert Michael De Long | — | (916) 939 1873 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| Casey Johnsen Window Covering Installations | Casey Johnsen Window Covering Installations | — | (916) 873 0333 | Other | Shingle Springs · El Dorado County | — | — |
| Cassidy Coatings Ltd Corporation INC | William A Jr Kennessey | bill@cassidycoatings.com | (530) 544 4450 | Other | South Lake Tahoe · El Dorado County | — | — |
| Castillo Construction | Castillo Jose-mariano | wweeiihhuuaanngg@gmail.com | (530) 318 4883 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Castro Home Services | Christopher Jason Castro | castrohomeservices@gmail.com | (916) 417 9630 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Catalano Enterprises Construction INC | Kyle Andrew Catalano | — | (916) 792 1986 | GC, remodel, ADU | Cool · El Dorado County | — | — |
| Catalyst Home Construction INC | Gary Leon Santi | — | (530) 919 0100 | GC, remodel, ADU | Pollock Pines · El Dorado County | — | — |