| California Bear Garage Door & Gate | Juarez Roberto | — | (858) 231 7720 | Other | San Diego · San Diego County | — | — |
| California Builder | California Builder | — | (858) 205 2167 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| California Building And Remodeling INC | Philip Ted Guenther | — | (619) 203 9915 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| California Casework INC | Aaron Quinton Lewis | — | (619) 593 8317 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| California Clean And Seal | Yitshak Shpigelman | info@calcleanseal.com | (619) 818 0113 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| California Cleaning Expertise | Tiberio Jorge Cavina | — | (619) 952 3874 | Other | San Diego · San Diego County | — | — |
| California Closets | Robert John Wright | — | (858) 695 0882 | Other | Poway · San Diego County | — | — |
| California Coast Builders INC | Robert Lawrence Rosen | — | (858) 750 2777 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| California Coast Cabinet | California Coast Cabinet | — | (619) 871 8815 | GC, remodel, ADU | Lakeside · San Diego County | — | — |
| California Coatings | California Coatings | — | (619) 980 2400 | Windows, patio, painters | San Diego · San Diego County | — | — |
| California Comfort Enterprises | Philip John Scattergood | — | (760) 231 8119 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| California Commercial Coatings INC | Ty Jordan Haga | aqremodeling2@gmail.com | (619) 669 8601 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| California Commercial Satellite LLC | Reasmey Acun Chav | — | (619) 795 9444 | Other | San Diego · San Diego County | — | — |
| California Commercial Security | Charles Robert Baker | — | (858) 633 1724 | Electricians | San Diego · San Diego County | — | — |
| California Compliance | Walter Thomas Amenta | info@california-compliance.com | (858) 558 7465 | Other | San Diego · San Diego County | — | — |
| California Construction | Eric William Christensen | — | (760) 828 6244 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| California Construction Concepts | Marshall Dohoney Palmer | admin@caconstructionconcepts.com | (858) 638 7895 | Other roofers | San Diego · San Diego County | — | — |
| California Construction Superior | Michael Craig Speltz | — | (858) 676 0800 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| California Constructors | Alan Pablo Ang | aang@californiaconstructors.com | (858) 310 7783 | GC, remodel, ADU | National City · San Diego County | — | — |
| California Contract Services INC | Cody Christopher Castillo | — | (619) 889 3731 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| California Countertop INC | Wayne Jerome Krumenacker | info@californiacountertop.com | (619) 460 0205 | Other | La Mesa · San Diego County | — | — |
| California Crafted Marble INC | Duane Alan Nosko | — | (619) 562 2605 | GC, remodel, ADU | Santee · San Diego County | — | — |
| California Crowns | Michael Scott Madrid | — | (760) 801 4689 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| California Custom Builders INC | Ernest Lopez | — | (619) 210 5725 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| California Custom Cabinetry | Sasan Moazzam | — | (619) 424 8758 | Other | Chula Vista · San Diego County | — | — |
| California Custom Carpentry | Kyle Evan Mcpherson | impallari@gmail.com | (760) 274 4570 | Other | Encinitas · San Diego County | — | — |
| California Custom Painting INC | Michael Roger Dobell | interested@domainmarket.com | (858) 382 8656 | Windows, patio, painters | San Diego · San Diego County | — | — |
| California Deck Pros INC | Blake Robert Carter | — | (760) 522 1416 | Windows, patio, painters | Valley Center · San Diego County | — | — |
| California Development & Construction Corp | Escobedo Federico | — | (858) 412 4852 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| California Doors And Windows | California Doors And Windows | — | (858) 518-1352 | Windows, patio, painters | San Diego · San Diego County | — | — |
| California Drains | California Drains | — | (619) 454 5813 | Other | San Diego · San Diego County | — | — |
| California Dreaming Pools INC DBA Cd Pool Maintenance And Repair | Kenneth Robert Post | — | (858) 997 7223 | Pool | Poway · San Diego County | — | — |
| California Farm And Garden | Paige Michelle Hailey | — | (619) 563 5774 | Windows, patio, painters | San Diego · San Diego County | — | — |
| California Finish Carpentry | California Finish Carpentry | — | (858) 688 3175 | Other | Chula Vista · San Diego County | — | — |
| California Fire Stop INC | Joe Robert Norris | — | (760) 473 8638 | Other | Carlsbad · San Diego County | — | — |
| California Garage Doors & Gates | California Garage Doors & Gates | — | (619) 654 4788 | Other | Chula Vista · San Diego County | — | — |
| California General Contractors | Anguiano Ricardo Flores | — | (619) 674 8262 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| California Handyman Connection | Jose Alberto Cervara-Lopez | — | (619) 386 6803 | GC, remodel, ADU | San Ysidro · San Diego County | — | — |
| California Heating & Air Conditioning | California Heating & Air Conditioning | — | (949) 232 3100 | HVAC | Poway · San Diego County | — | — |
| California Home Builders INC | Caitlin Marie Adkins | — | (858) 352 6322 | GC, remodel, ADU | San Diego · San Diego County | — | — |