| Coast Contracting Corporation | Bennie Darryl Clubb | — | (858) 414 9400 | GC, remodel, ADU | Del Mar · San Diego County | — | — |
| Coast Home Improvement | Coast Home Improvement | — | (760) 458 9207 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Coast Imperial Drywall INC | Santana Ricardo Ramirez | — | (760) 688 8615 | Other | Escondido · San Diego County | — | — |
| Coast Lath & Plaster | Coast Lath & Plaster | — | (619) 867 4854 | Other | La Mesa · San Diego County | — | — |
| Coast Paving & Consulting INC | Tracy Duane Falduti | — | (619) 448 3797 | Other | Santee · San Diego County | — | — |
| Coast Remodeling Services | Liza Jayne Gois | info@coastremodelingservices.com | (619) 777-1031 | Other roofers | San Diego · San Diego County | — | — |
| Coast Security Group | Tomer Halevi | — | (858) 668 5446 | Alarm and generators | San Diego · San Diego County | — | — |
| Coast Technologies | Coast Technologies | — | (619) 997 2131 | Other | Lakeside · San Diego County | — | — |
| Coast Technology Solutions INC | Robbie Allen Clerihan | — | (858) 263 1288 | Other | Carlsbad · San Diego County | — | — |
| Coast To Cactus Property Inspections | Coast To Cactus Property Inspections | — | (619) 648-1295 | Inspectors | San Diego · San Diego County | — | — |
| Coast To Coast Construction | Omar Alejandro Munguia Torres | — | (619) 732 2045 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Coast To Coast Restoration INC | Lisa Ann Reid | info@c2crest.com | (760) 212 5890 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Coast Waterproofing | Coast Waterproofing | — | (619) 800 0443 | Other | Lakeside · San Diego County | — | — |
| Coastal Asphalt & Seal | Coastal Asphalt & Seal | — | (858) 273 2042 | Other | San Diego · San Diego County | — | — |
| Coastal Bear Plumbing | Juan Daniel Lopez | — | (858) 397 7726 | Other | El Cajon · San Diego County | — | — |
| Coastal Breeze Heating And Air Conditioning INC | Jesse Manuel Amigon | — | (760) 470 3029 | HVAC | Carlsbad · San Diego County | — | — |
| Coastal Building Group INC | Jerry Lee Zumbro | — | (858) 586 0903 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Coastal Cabinets | Coastal Cabinets | — | (858) 349 5559 | Other | San Diego · San Diego County | — | — |
| Coastal Carpenter | Coastal Carpenter | doug@coastalcarpenter.com | (760) 525 2387 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Coastal Caulking Waterproofing | Jeffrey Robert Arboit | — | (760) 930 0070 | Windows, patio, painters | Carlsbad · San Diego County | — | — |
| Coastal Coatings | Coastal Coatings | — | (858) 454 6231 | Windows, patio, painters | La Jolla · San Diego County | — | — |
| Coastal Color Works LLC | Patrice Alexander | — | (619) 851 9381 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Coastal Comfort | Coastal Comfort | coastalcomfortsandiego@gmail.com | (760) 420 1252 | HVAC | Vista · San Diego County | — | — |
| Coastal Comfort San Diego | Trever Louis Blanc | coastalcomfortsandiego@gmail.com | (760) 421 4888 | HVAC | Fallbrook · San Diego County | — | — |
| Coastal Concepts Construction | Charles William Boucher | charles@coastalccbuild.com | (619) 496 1013 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Coastal Concrete | Nicholas William Luisi | — | (760) 450 4701 | Other | Carlsbad · San Diego County | — | — |
| Coastal Concrete Coating And Coloring Designs | Flores Tomas | — | (760) 975 9788 | Other | Oceanside · San Diego County | — | — |
| Coastal Concrete Innovations | Larry Marcos Lopez | — | (619) 443 2080 | Other | El Cajon · San Diego County | — | — |
| Coastal Construction & Remodeling INC | Mark William De Pretis | — | (760) 434 5132 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| Coastal Construction San Diego INC | Elizabeth Montes | — | (619) 949 1392 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Coastal Contracting INC | Brennon Edward Hope | — | (619) 997 0890 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| Coastal Damage | Elias Jr Olivares | info@coastaldamage.com | (858) 492 0560 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| Coastal Design Remodeling | Shawn Alan Murphy | — | (858) 349 6411 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Coastal Development Company | William Allan Berwin | coastaldevelopment@gmail.com | (858) 456 3880 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| Coastal Development Group INC | Paula Edward | team@latofonts.com | (619) 363 7577 | GC, remodel, ADU | Coronado · San Diego County | — | — |
| Coastal Ecosystems Design INC | Jonathan Michael Schoeneck | — | (858) 215 4762 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| Coastal Eddie's Plumbing | Coastal Eddie's Plumbing | — | (619) 818 3117 | Other | Carlsbad · San Diego County | — | — |
| Coastal Electric Co | Gascon Josiah | buildzoomsupport@blockrenovation.com | (251) 432-0644 | Electricians | Imperial Beach · San Diego County | — | — |
| Coastal Electric Service INC | Nicholas Jay Lawlis | contact@claycoelectric.org | (619) 787 5044 | Electricians | Lakeside · San Diego County | — | — |
| Coastal Fence | Jimmy Pain Pellettera | support@coastal-fence.com | (619) 765 8722 | Other | San Diego · San Diego County | — | — |