| Carlos Plumbing & Rooter | Carlos Plumbing & Rooter | — | (831) 320 9966 | Other | Castroville · Monterey County | — | — |
| Carmel Audio Video LLC | Schultz Arthur | — | (831) 624 4800 | Other | Carmel · Monterey County | — | — |
| Carmel Bay Electric | Patrick Diaz Lara | larapatrick1954@yahoo.com | (831) 917 7253 | Electricians | Carmel · Monterey County | — | — |
| Carmel Builders INC | Michael Dewitt Cox | — | (831) 595 0727 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Carmel Coatings | Carmel Coatings | — | (831) 402 2992 | Windows, patio, painters | Carmel · Monterey County | — | — |
| Carmel Construction Company | Charles Theodore Iv Biswanger | — | (831) 238 3171 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| Carmel Custom Cleaning & Restoration | Carmel Custom Cleaning & Restoration | — | (831) 655 1989 | Restoration | Carmel · Monterey County | — | — |
| Carmel Development Company | Richard Alan Williams | — | (831) 625 1090 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Carmel Engineering | Samir Messiah | — | (415) 437 0701 | Other | Carmel · Monterey County | — | — |
| Carmel Glass Company INC | Timothy William Connell | — | (831) 393 8244 | Windows, patio, painters | Sand City · Monterey County | — | — |
| Carmel Lahaina Utility Services INC | Joseph Peter Garneau | — | (831) 659 3595 | Other | Carmel Valley · Monterey County | — | — |
| Carmel Point Landscapes | Christopher Patrick Baiata | — | (831) 574 9837 | Windows, patio, painters | Carmel · Monterey County | — | — |
| Carmel Realty Company | Carmel Realty Company | — | (831) 622-1000 | Property managers | Monterey · Monterey County | — | — |
| Carmel Valley Backhoe Service | Steve William Wendt | — | (831) 596 5692 | Other | Carmel · Monterey County | — | — |
| Carmel Valley Construction | Kevin Morgan Johnson | — | (831) 915 1043 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| Carmel Valley Construction | Nathan Cory Baker | — | (831) 238 1381 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| Carmel Valley Heating And Sheet Metal INC | Matthew Ryan Hilliard | — | (831) 238 3753 | HVAC | Carmel · Monterey County | — | — |
| Carmel Valley Ironworks INC | Eric Randall Olson | — | (831) 659 3422 | Other | Carmel Valley · Monterey County | — | — |
| Carmel Valley Pump & Backflow Service | Michael Brian Anderson | — | (831) 659 1627 | Other | Carmel Valley · Monterey County | — | — |
| Carmelo Montante Tile | Carmelo Montante Tile | — | (831) 320 1757 | Other | Seaside · Monterey County | — | — |
| Carpentry On Demand | Carpentry On Demand | — | (831) 915 8191 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Carpet Caravan | Frank Girolamo Flores | — | (831) 394 2700 | Other | Monterey · Monterey County | — | — |
| Carpets And Floors INC | Dan Edward Jones | — | (831) 372 2300 | Other | Monterey · Monterey County | — | — |
| Carrera Construction Company | Carrera David | — | (831) 970 7735 | GC, remodel, ADU | Greenfield · Monterey County | — | — |
| Carswell Heating And Sheet Metal INC | Taylor Madison Carswell | — | (831) 372 0728 | HVAC | Seaside · Monterey County | — | — |
| Carter Construction | Russell Fred Carter | — | (831) 402 9969 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Carver Construction | Brian David Carver | — | (559) 260 8880 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Casas Builders | Casas Builders | — | (831) 601 0922 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Casaterra Group INC | Christopher Byers Keehn | — | (831) 624 8900 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Castellanos Builders INC | Carlos Rogelio Castellanos | — | (831) 269 3064 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Castillejos Construction INC | Castillejos Diaz Abelardo | — | (831) 277 9612 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Castorina Heating And Sheet Metal INC | Joseph Lucien Castorina | — | (831) 394 0159 | HVAC | Monterey · Monterey County | — | — |
| Castroville Plumbing & Heating | Lewis William Dangreau | — | (831) 633 2510 | HVAC | Castroville · Monterey County | — | — |
| Cate Electrical Company INC | Janine Cate Boone | anapbm@gmail.com | (831) 624 5361 | Electricians | Carmel · Monterey County | — | — |
| Ccc Woodworks INC | Jesus Gonzalez | — | (831) 320 9038 | Other | Castroville · Monterey County | — | — |
| Ccg Engineering | Clayton Dale Clark | — | (831) 240 5358 | Other | Aromas · Monterey County | — | — |
| Cci Painting | Cci Painting | — | (831) 206 3148 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Ccoi Gate & Fence | Ccoi Gate & Fence | — | (831) 636 1015 | Electricians | Aromas · Monterey County | — | — |
| Cdv Enterprises INC | Timothy John Glass | — | (831) 684 2457 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| Cen Cal Grading LLC | Reynaldo Sr Munoz | — | (831) 901 1896 | Other | Salinas · Monterey County | — | — |