| Elite Iaq & Life Safety Services INC | Joseph William Iv Nehi | — | (925) 758 0722 | GC, remodel, ADU | Antioch · Contra Costa County | — | — |
| Elite Interlocking Pavers INC | De Sousa Melo Taynara Bueno | — | (415) 684 6450 | Other | Concord · Contra Costa County | — | — |
| Elite Marble INC | Hernando Daniel Orozco | — | (925) 595 8646 | Other | Oakley · Contra Costa County | — | — |
| Elite Plumbing INC | Jacob Frank Juenemann | — | (925) 759 5761 | Other | Brentwood · Contra Costa County | — | — |
| Elite Pools And Construction INC | Aleksandar| Rad Usin Alex Radusin | — | (925) 446 1242 | GC, remodel, ADU | Pleasant Hill · Contra Costa County | — | — |
| Elite Rebar INC | Alfonso Junior Lopez Hernandez | — | (925) 305 6833 | Other | Oakley · Contra Costa County | — | — |
| Elite Tree Service | Edward Allan Jenson | — | (510) 523 9399 | Tree | Walnut Creek · Contra Costa County | — | — |
| Elite Waterproofing & Epoxy Flooring | Wahidi Naween | — | (925) 978 4444 | Windows, patio, painters | Antioch · Contra Costa County | — | — |
| Eliteproinstallation INC | Carlos Tiburcio Dos Santos | — | (925) 724 9478 | GC, remodel, ADU | Brentwood · Contra Costa County | — | — |
| Elitesecure Technologies LLC | Ruiz Fernando O | — | (925) 378 3348 | Other | Concord · Contra Costa County | — | — |
| Ella | Robert Paul Ii Legg | — | (925) 575 4433 | GC, remodel, ADU | Alamo · Contra Costa County | — | — |
| Ellis Plumbing | Ellis Plumbing | admin@ellisplumbing.com | (510) 691 3847 | Other | El Sobrante · Contra Costa County | — | — |
| Eln Enterprises INC | Richard Anthony Enea | — | (925) 766 5725 | Other | Clayton · Contra Costa County | — | — |
| Elo Home Improvements DBA The Bay Painting | Edgar Lopez | — | (408) 613 9035 | Windows, patio, painters | Antioch · Contra Costa County | — | — |
| Elson Electric Holdings INC | Robert Wayne Elson | — | (925) 420 5076 | Electricians | Walnut Creek · Contra Costa County | — | — |
| Elson Painting INC | Viveiros Elson | — | (925) 718 5522 | Windows, patio, painters | Danville · Contra Costa County | — | — |
| Em Demolition | Em Demolition | amkryukov@gmail.com | (510) 395 6254 | Other | Richmond · Contra Costa County | — | — |
| Em Lighting And Electrical INC | Eric Russell Skinner | — | (925) 238 9250 | Electricians | Oakley · Contra Costa County | — | — |
| Em2 Painting Corporation | Luis Carlos Aburto Morales | — | (925) 752 2308 | Windows, patio, painters | Brentwood · Contra Costa County | — | — |
| Ema Builders INC | Edmundo Mission Jr Aureus | — | (661) 284 2962 | GC, remodel, ADU | San Ramon · Contra Costa County | — | — |
| Emak Electric INC | Madjid Lafer | — | (510) 750 9513 | Electricians | Concord · Contra Costa County | — | — |
| Emcali Construction INC | Ramirez Efren Lares | — | (925) 852 4964 | GC, remodel, ADU | Pittsburg · Contra Costa County | — | — |
| Emco Electric Incorporated | Alvaro Armando Rodas | — | (510) 799 6242 | Electricians | Hercules · Contra Costa County | — | — |
| Emerald Valley Landscape | Magdaleno Magana | — | (510) 610 0992 | Windows, patio, painters | Pittsburg · Contra Costa County | — | — |
| Emerge Construction INC | Joseph Ryan Dometita | — | (415) 508 8048 | Other | Bay Point · Contra Costa County | — | — |
| Emh Construction | Eric Martin Halverson | — | (510) 205 3409 | GC, remodel, ADU | Martinez · Contra Costa County | — | — |
| Emil's Renovations | Emil's Renovations | — | (925) 212 4048 | GC, remodel, ADU | Martinez · Contra Costa County | — | — |
| Empire Electric LLC | Joshua Leon Paiva | — | (707) 741 9633 | Electricians | Hercules · Contra Costa County | — | — |
| Empire Mechanical HVAC | Empire Mechanical HVAC | — | (925) 536 6470 | HVAC | Antioch · Contra Costa County | — | — |
| Emw Construction | Eric Mathew Wilson | — | (925) 980 9471 | GC, remodel, ADU | Orinda · Contra Costa County | — | — |
| En Construction INC | Elliott Mark Nestal | — | (925) 765 5174 | GC, remodel, ADU | Orinda · Contra Costa County | — | — |
| Enchanting Planting INC | Shari Lee Bashin-Sullivan | — | (925) 258 5500 | Windows, patio, painters | Orinda · Contra Costa County | — | — |
| Encinal Tree Service | Jose Jesus Vargas | — | (925) 286 4328 | Tree | Martinez · Contra Costa County | — | — |
| Encino Construction Group Corp | Juan Jose Rodriguez | — | (510) 599 9922 | GC, remodel, ADU | San Ramon · Contra Costa County | — | — |
| Encompass Construction Development Group INC | Edgar Antonio Gallo | — | (925) 339 8323 | Electricians | Concord · Contra Costa County | — | — |
| Encore Construction Services INC | John D'amico | — | (925) 963 4819 | GC, remodel, ADU | Alamo · Contra Costa County | — | — |
| Endesign Services | Steven Kiyoshi Hata | — | (510) 620 0567 | Windows, patio, painters | El Cerrito · Contra Costa County | — | — |
| Energen Systems Incorporated | Balkaran Rajkaran | — | (925) 289 8969 | Electricians | Concord · Contra Costa County | — | — |
| Energy Conservation Options | Dahlia Maria Moodie | — | (510) 647 8450 | Electricians | Richmond · Contra Costa County | — | — |
| Energy Guard Insulation | Energy Guard Insulation | — | (925) 818 5026 | Other | Lafayette · Contra Costa County | — | — |