| Carmen Gabriele Construction | Gabriele Carmen | — | (831) 261 8307 | GC, remodel, ADU | San Juan Bautista · San Benito County | — | — |
| Carter Construction | Billy Leo Carter | — | (408) 315 6695 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Casey George Bayless | Casey George Bayless | — | (831) 383 6510 | Other | San Juan Bautista · San Benito County | — | — |
| Cavazos General Construction INC | Abel Iii Cavazos | — | (408) 706 6811 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Central Cal Heating & Air Conditioning | Travis Kevin Mcfate | — | (831) 207 7112 | HVAC | Hollister · San Benito County | — | — |
| Central Coast & Bay Concrete INC | Angel Luis Garcilazo-Calderon | — | (831) 524 6367 | Other | Hollister · San Benito County | — | — |
| Central Coast Refrigeration LLC | Jarod Ray Forth | — | (831) 524 9770 | HVAC | Hollister · San Benito County | — | — |
| Central Coast Stucco | Central Coast Stucco | centralcoaststuccoandstone@hotmail.com | (831) 524 3893 | Other | Hollister · San Benito County | — | — |
| Cerritos Lath & Plastering INC | Manny Zendejas | — | (408) 640 0956 | Other | Hollister · San Benito County | — | — |
| Christenson Construction Company | Patrick Scott Christenson | — | (831) 801 9206 | Other | Hollister · San Benito County | — | — |
| Christopher J Crow | Christopher J Crow | — | (831) 212 5216 | Other | Hollister · San Benito County | — | — |
| Cl Framing INC | Jose Castellanos Lazcon | — | (510) 282 7046 | Other | Hollister · San Benito County | — | — |
| Clover Builders INC | Ferrer Abraham Ruiz | sales@cloverbuilders.com | (408) 706 0136 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Coastal Colors Painting Company | Coastal Colors Painting Company | — | (760) 850-6120 | Windows, patio, painters | Carlsbad · San Benito County | — | — |
| Coastland Tile & Stone | Coastland Tile & Stone | — | (831) 245 9916 | Other | Hollister · San Benito County | — | — |
| Coat Of Arms Painting | Coat Of Arms Painting | — | (831) 630 5794 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Commercial Exteriors INC | Travis Alexander Zanella | — | (831) 917 3735 | Other | Hollister · San Benito County | — | — |
| Communication Cable Placement Services INC | Christopher Charles Barth | — | (831) 636 1455 | Other | Hollister · San Benito County | — | — |
| Complete Steel And Structure LLC | Ramirez Rolando Mosqueda | — | (510) 772 1780 | Other | Hollister · San Benito County | — | — |
| Concretedecor INC | Manuel Castillo Hernandez | — | (408) 217 3048 | Other | Hollister · San Benito County | — | — |
| Corridor Commercial Doors | Corridor Commercial Doors | — | (831) 902 9539 | Other | Hollister · San Benito County | — | — |
| Crosswood Construction | Thomas Josef Jr Rehak | rtrotter@codesbasedsolutions.com | (615) 804-1349 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Currier's Concrete & Paving INC | Shane Michael Currier | — | (708) 710 6853 | GC, remodel, ADU | San Juan Bautista · San Benito County | — | — |
| Custom Design Cabinets K & B INC | Abel Andres Perez Viveros | — | (831) 801 0421 | Other | Hollister · San Benito County | — | — |
| Custom Floor Covering | Custom Floor Covering | — | (831) 214 3915 | Other | Hollister · San Benito County | — | — |
| Custom Tile Creations | Custom Tile Creations | — | (408) 515 9751 | Other | Hollister · San Benito County | — | — |
| D & K Marquez Enterprises INC | David Gene Marquez | — | (831) 630 3000 | Other | Hollister · San Benito County | — | — |
| D A E Plumbing INC | Daniel Alberto Escamilla | daniel@daeplumbing.com | (831) 801-1079 | Other | Hollister · San Benito County | — | — |
| D A Heating & Air Conditioning | Apolonio Allende David | — | (831) 245 9017 | HVAC | Hollister · San Benito County | — | — |
| D C Electric | David Bruce Dungan | — | (831) 801 9398 | Electricians | Hollister · San Benito County | — | — |
| D T Williams Drywall | Donald Thomas Williams | — | (831) 637 0864 | Other | Hollister · San Benito County | — | — |
| Dan Forth Construction Development | Philip Danforth Wilkinson | — | (650) 333 7607 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Dan Rogers Painting | Dan Rogers Painting | — | (831) 524 2934 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Danel Roofing INC | Nelson Jose Figueroa | admin@webdev1.lyttix.com | (408) 695 0072 | Other roofers | Hollister · San Benito County | — | — |
| Daniel J Construction INC | Daniel Joseph Miller | — | (408) 640 4051 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Daniel's Landscape | Daniel's Landscape | — | (408) 210 2438 | Windows, patio, painters | Hollister · San Benito County | — | — |
| David & Son Construction | David Edward Mc Govert | — | (831) 524 3181 | GC, remodel, ADU | San Juan Bautista · San Benito County | — | — |
| David A Mc Kibbin | David A Mc Kibbin | — | (831) 801 6536 | Other | Hollister · San Benito County | — | — |
| Dbk Construction INC | Kim Mc Kay Larsen | — | (925) 382 6801 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Dc Bros Contracting INC | Darin Eugene Delcurto | — | (831) 902 5072 | GC, remodel, ADU | Hollister · San Benito County | — | — |