| Brothers V Electric | Jose B Villegas | — | (530) 602 6279 | Electricians | Esparto · Yolo County | — | — |
| Broward Builders INC | Dennis Wayne Broward | estimating@browardbuilders.com | (530) 666 5635 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Brown Commercial Construction INC | Ronald Thomas Brown | — | (916) 373 9300 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Brown Construction INC | Matthew Charles De Fazio | — | (916) 373 9300 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Bullock Garage Door INC | Frank Thomas Rodriguez | — | (916) 868 4042 | Other | Woodland · Yolo County | — | — |
| Bullseye Leak Detection INC | Daniel Spatz | — | (916) 760 8944 | Other | West Sacramento · Yolo County | — | — |
| Butterfield Electric INC | Richard Shubael Butterfield | info@butterfieldelectric.com | (530) 666 2116 | Electricians | Woodland · Yolo County | — | — |
| Byard Fence & Construction INC | Todd Stanley Byard | — | (530) 867 9521 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Byard Fence And Construction | Todd Stanley Byard | — | (530) 300 0215 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| C & H Veteran Enterprises INC | James Michael Caldwell | — | (916) 371 0148 | Other | West Sacramento · Yolo County | — | — |
| C & R Concrete Construction INC | Rafael Castrejon Reynoso | — | (916) 871 6349 | Other | Woodland · Yolo County | — | — |
| C D Mungas INC DBA C D Mungas Construction | Christopher Daniel Mungas | — | (530) 574 2854 | GC, remodel, ADU | Davis · Yolo County | — | — |
| C F Moreland Construction | Charles Fredrick Jr Moreland | — | (530) 681 6135 | Electricians | Woodland · Yolo County | — | — |
| C G Painting | C G Painting | — | (530) 207 7372 | Windows, patio, painters | West Sacramento · Yolo County | — | — |
| C J B Construction INC | Cody Daniel Burton | — | (530) 908 1484 | GC, remodel, ADU | Yolo · Yolo County | — | — |
| C Pedroia General Engineering | C Pedroia General Engineering | — | (530) 848 6357 | Other | Woodland · Yolo County | — | — |
| C&j Communications | Carlos Hector Gallegos | — | (707) 366 5959 | Other | Winters · Yolo County | — | — |
| C&k Schmidt Co DBA Brooks Painting INC | Corey Clifford Schmidt | — | (530) 574 5706 | Windows, patio, painters | Davis · Yolo County | — | — |
| Cabs Heating & Air Conditioning | Peter Vladimir Bredikhin | — | (916) 375 1800 | HVAC | West Sacramento · Yolo County | — | — |
| Cache Creek Masonry | Cache Creek Masonry | — | (530) 681 6375 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Cairo Builder INC | Travis Ryan Gullickson | — | (530) 665 6313 | Other roofers | Woodland · Yolo County | — | — |
| Cal - Neva Construction Services INC | Judith Ann Malone | — | (916) 374 9800 | Other | West Sacramento · Yolo County | — | — |
| Cal - State Woodwork INC | Dmitriy Pavlovich Sukach | — | (916) 798 0571 | Other | West Sacramento · Yolo County | — | — |
| Cal Finest Plumbing | Mariano Jr Sandoval | — | (530) 383 9502 | Other | Yolo · Yolo County | — | — |
| Cal State Painting INC | Otkidychev Nikolay | calstatepainting247@gmail.com | (916) 612 3758 | Windows, patio, painters | West Sacramento · Yolo County | — | — |
| Cal Vesna Construction INC | Michael P Kluka | — | (916) 848 1932 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Cal West Concrete INC | Jose Roberto Figueroa | — | (530) 383 1169 | Windows, patio, painters | Woodland · Yolo County | — | — |
| Cali - Woods INC | Daniil V Suprunov | — | (916) 715 0009 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Cali-precision Construction | Yuri Rybin | — | (916) 952 3789 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| California Custom Docks Corporation | James Robert Uhl | — | (916) 371 7040 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| California Landscaping Services INC | Hugo Barragan Sanchez | — | (530) 863 0432 | Windows, patio, painters | Dunnigan · Yolo County | — | — |
| Caligardens | Ryan Murphy Fullerton | — | (530) 383 7500 | Windows, patio, painters | Woodland · Yolo County | — | — |
| Camacho Home Improvement Corp | Orlando Bravo Camacho | — | (916) 571 4056 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Canevari Masonry | Canevari Masonry | — | (530) 681 1017 | Other | Woodland · Yolo County | — | — |
| Capitol Flooring & Design INC | Rickey Rakestraw Pratt | — | (916) 371 9300 | Other | West Sacramento · Yolo County | — | — |
| Casablanca Home Group INC | Blanca Chingyu Cheung | — | (859) 913 3150 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Casas Plumbing | Casas Plumbing | — | (530) 760 8168 | Other | Woodland · Yolo County | — | — |
| Casco Equipment North Corporation | Richard Dwight Sherick | — | (916) 371 9207 | Other | West Sacramento · Yolo County | — | — |
| Castillo Concrete Services | Ismael Jr Castillo | — | (530) 383 4914 | Other | Woodland · Yolo County | — | — |
| Castillo Custom Drywall | Castillo Custom Drywall | — | (530) 681 8570 | Other | Woodland · Yolo County | — | — |