| Eby Painting | Eby Painting | — | (510) 849 4131 | Windows, patio, painters | Walnut Creek · Contra Costa County | — | — |
| Echelon Landscapes LLC | Benjamin Owen Bittner | — | (510) 672 0730 | Windows, patio, painters | Martinez · Contra Costa County | — | — |
| Echo Plumbing And Rooter | Luis Alberto Chavez Perez | — | (925) 291 6119 | Other | Concord · Contra Costa County | — | — |
| Eclectic Electrical Contractor INC | Antonius Stanley Dintcho | — | (415) 725 9335 | Electricians | Orinda · Contra Costa County | — | — |
| Ecliptic Landscapes INC | Jason William Scott | — | (925) 899 9941 | Windows, patio, painters | Lafayette · Contra Costa County | — | — |
| Eco Electric INC | Mario A Portillo Rodriguez | — | (415) 756 5392 | Electricians | Antioch · Contra Costa County | — | — |
| Eco Friendly Electric | Ghafouri Ashkan | — | (925) 888 9022 | Electricians | Walnut Creek · Contra Costa County | — | — |
| Eco Gardenworks | Eco Gardenworks | — | (415) 531 5817 | Windows, patio, painters | Richmond · Contra Costa County | — | — |
| Eco Home Remodeling | Eco Home Remodeling | — | (510) 697 0679 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Eco Logical Builders INC | William John Lord | — | (415) 823 5525 | GC, remodel, ADU | Richmond · Contra Costa County | — | — |
| Eco Performance Builders INC | Keith Patrick O'hara | — | (925) 363 4498 | HVAC | Walnut Creek · Contra Costa County | — | — |
| Eco Solar | Eco Solar | — | (925) 639 9251 | Pool | Concord · Contra Costa County | — | — |
| Eco Systems Heating & Air | Abraham Kohler Alvarez | — | (844) 307 0832 | HVAC | San Ramon · Contra Costa County | — | — |
| Eco-chek Compliance INC | Nikola Georgiev Zagorov | — | (888) 500 2435 | Other | Walnut Creek · Contra Costa County | — | — |
| Eco-construction & Electric Corp | Jason Samuel Martinez | — | (925) 214 3686 | Electricians | Concord · Contra Costa County | — | — |
| Eco-pro | Hernan Cisneros | — | (844) 605 2194 | HVAC | Pittsburg · Contra Costa County | — | — |
| Ecobuilding | Novoa-matthias Lilian | — | (925) 899 1315 | GC, remodel, ADU | Clayton · Contra Costa County | — | — |
| Ecogrove Landscaping | Ecogrove Landscaping | — | (510) 928 7088 | Windows, patio, painters | San Ramon · Contra Costa County | — | — |
| Ecology Landscape Company | Tamara Lynn Smith | george4ecology@gmail.com | (925) 939 2114 | Windows, patio, painters | Pleasant Hill · Contra Costa County | — | — |
| Ecology Tree Care INC | Luis Herrera | — | (925) 440 9990 | Tree | Concord · Contra Costa County | — | — |
| Economy Medical Incorporated | David Paul Goodspeed | — | (925) 671 4800 | Other | Concord · Contra Costa County | — | — |
| Ecopacha INC DBA Ecopacha Landscaping | Manuel Francisco Pastore | — | (510) 776 9764 | Windows, patio, painters | Antioch · Contra Costa County | — | — |
| Ecoscape Landcare | Cristian Pablo Garcia | — | (925) 301 3600 | Windows, patio, painters | Oakley · Contra Costa County | — | — |
| Ed Beacon Construction INC | Rafael Alexander Hernandez Castro | — | (925) 408 3012 | GC, remodel, ADU | Pittsburg · Contra Costa County | — | — |
| Ed Mc Donough Construction | Edward Michael Jr Mc Donough | — | (208) 720 2079 | GC, remodel, ADU | Hercules · Contra Costa County | — | — |
| Ed's Electric Co | Rodriguez Edmond | ed@edselectric.com | (510) 326 7901 | Electricians | Pittsburg · Contra Costa County | — | — |
| Eddie General Construction | Edilsar Abdias Cordero Marroquin | — | (415) 342 6382 | GC, remodel, ADU | Richmond · Contra Costa County | — | — |
| Edible Ecology INC | Jeremy James Watts | — | (510) 904 7576 | Windows, patio, painters | Richmond · Contra Costa County | — | — |
| Edlinger Construction | Michael Joseph Edlinger | — | (925) 330 1368 | GC, remodel, ADU | Lafayette · Contra Costa County | — | — |
| Edpo Construction INC | Hector Miguel Jerez | — | (415) 902 3373 | GC, remodel, ADU | El Sobrante · Contra Costa County | — | — |
| Edward W Scott Electric Co INC | Stephen Christopher Lynch | — | (415) 206 7120 | Electricians | Richmond · Contra Costa County | — | — |
| Edward Wann | Edward Wann | — | (925) 435 9886 | Windows, patio, painters | Kensington · Contra Costa County | — | — |
| Edym Plumbing | Edym Plumbing | — | (415) 516 4640 | Other | San Pablo · Contra Costa County | — | — |
| Efficient Electrical Works INC | Angel Dejesus Macias | — | (415) 531 8233 | Electricians | San Pablo · Contra Costa County | — | — |
| Eg Construction LLC | Gildo Efren | — | (925) 350 9103 | GC, remodel, ADU | Antioch · Contra Costa County | — | — |
| Egan Painting And Decorating | Egan Painting And Decorating | — | (510) 222 3229 | Windows, patio, painters | Rodeo · Contra Costa County | — | — |
| Egl Electric INC | Eric Guy Lima | — | (925) 200 6550 | Electricians | Brentwood · Contra Costa County | — | — |
| Eisen Environmental And Construction Services | Scott Allan Eisen | — | (925) 270 3770 | GC, remodel, ADU | Martinez · Contra Costa County | — | — |
| Ekman And Associates | John Lee Ekman | info@ekmaninc.com | (925) 634 7578 | GC, remodel, ADU | Discovery Bay · Contra Costa County | — | — |
| El Cerrito Heating INC | Robert Glen Iii Holland | — | (510) 418 8463 | HVAC | Pinole · Contra Costa County | — | — |