| Coastal Property Repairs | Coastal Property Repairs | — | (831) 224 3574 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Coastal Roofing And Waterproofing | Gabriel Rios | — | (831) 324 4908 | Other roofers | Salinas · Monterey County | — | — |
| Coastal Valley Builder | Coastal Valley Builder | — | (831) 240 9634 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Coastal Valley Construction | Alvarez Lopez Filimon | — | (831) 809 7352 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Coastal Valley Electric INC | Moises Garcia Reyes | — | (831) 417 9929 | Electricians | Salinas · Monterey County | — | — |
| Coastline Construction | John Thomas Cogbill | — | (831) 277 4645 | HVAC | Pebble Beach · Monterey County | — | — |
| Coastline Finish Carpentry INC | Gonzalez Vanciniel | — | (831) 902 7339 | Other | Salinas · Monterey County | — | — |
| Coastline Painting | Regina Elizabeth Feige | — | (831) 444 2141 | Windows, patio, painters | Marina · Monterey County | — | — |
| Coats Of Quality Painting | Coats Of Quality Painting | — | (831) 206 8234 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Cochran Electric | Richard Denver Cochran | — | (831) 594 6422 | Electricians | Pacific Grove · Monterey County | — | — |
| Cochran Welding | Cochran Welding | — | (831) 320 9607 | Other | Bradley · Monterey County | — | — |
| Coleman Electric Company | Alexander Jean Coleman | — | (831) 238 8008 | Electricians | Carmel · Monterey County | — | — |
| Coletti's Painting And Decorating | Coletti's Painting And Decorating | — | (831) 277 1700 | Windows, patio, painters | Seaside · Monterey County | — | — |
| Colin General Construction | Jose Guadalupe Colin-Arvizu | — | (831) 277 8610 | Other roofers | Seaside · Monterey County | — | — |
| Collins Custom Tile | Collins Custom Tile | — | (831) 840 4016 | Other | Seaside · Monterey County | — | — |
| Colman Construction | Juan Reynolds Colman | — | (831) 901 6956 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Colores Tree Service | Atanasio Nicolas Colores Olivera | — | (831) 254 5551 | Tree | Aromas · Monterey County | — | — |
| Colour Painting And Decorating | Colour Painting And Decorating | — | (831) 236 2628 | Windows, patio, painters | Seaside · Monterey County | — | — |
| Columbia Painting Company | Gil Rios Alfonso | — | (831) 229 8592 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Comfort Control | Steven Henry Dawes | — | (831) 758 1285 | HVAC | Salinas · Monterey County | — | — |
| Commercial Service Co | Mark Anthony Motlau | — | (831) 422 0127 | HVAC | Salinas · Monterey County | — | — |
| Community Fire Protection | Nathan Allen Sowle | nsowle@communityfireprotection.com | (775) 772 1755 | Electricians | Seaside · Monterey County | — | — |
| Community Tree Service LLC | Naba Adolfo Garcia | — | (831) 763 2391 | Tree | Royal Oaks · Monterey County | — | — |
| Complete Plumbing | Complete Plumbing | — | (831) 970 5098 | Other | Salinas · Monterey County | — | — |
| Consolidated Of North America | Consolidated Of North America | — | (831) 372 2803 | HVAC | Monterey · Monterey County | — | — |
| Construction And Maintenance Services INC | Dave Allan Long | — | (831) 262 1214 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Construction Concepts | Steven Mark Ramirez | info@constructionconcepts.com | (831) 224 2299 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Consumer Electric Inc. Building N | Consumer Electric Inc. Building N | — | (831) 373-1600 | Electricians | Monterey · Monterey County | — | — |
| Conte's Generator Service | Frank Joseph Conte | — | (831) 594 6269 | Electricians | Monterey · Monterey County | — | — |
| Cordrey Building Services INC | Justin Phillip Cordrey | — | (831) 915 0891 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Cordrey Construction | Dean Byington Cordrey | — | (831) 596 8706 | Other | Carmel Valley · Monterey County | — | — |
| Cordrey Construction INC | Phillip Byington Cordrey | — | (831) 915 0891 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Core Surveillance | Core Surveillance | contact@coresurveillance.com | (831) 771 2673 | Other | Salinas · Monterey County | — | — |
| Corey Mc Bain Const | Corey Mc Bain Const | — | (831) 239 6443 | GC, remodel, ADU | Aromas · Monterey County | — | — |
| Corie Construction | Dioscoro Gama Sanchez | — | (831) 794 0023 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Corinthian Construction INC | Adrian Matthew Montiel | — | (831) 601 1268 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Corner Stone | Corner Stone | ccampbell@cornerstone.com | (202) 912-8909 | Other | Salinas · Monterey County | — | — |
| Cornerstone Landscaping And Maintenance | Cornerstone Landscaping And Maintenance | — | (831) 383 1333 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Cornerstone Masonry INC | Baldo Vultaggio | — | (831) 754 1414 | Other | Salinas · Monterey County | — | — |
| Correa Construction | Miguel Huitron Correa | — | (831) 821 9951 | GC, remodel, ADU | Soledad · Monterey County | — | — |