| E F Brett & Company INC | James Mathew Mazet | — | (415) 524 8351 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| E Fitzgerald INC | Scott Francis Connors | emily@efitzgerald.com | (707) 542 1410 | Electricians | Santa Rosa · Sonoma County | — | — |
| E G Masonry & Tile | E G Masonry & Tile | — | (707) 776 0873 | Other | Petaluma · Sonoma County | — | — |
| E G Paving Construction INC | Garcia Elfego | — | (707) 843 9558 | Other | Santa Rosa · Sonoma County | — | — |
| E K Excavating INC | Marie Heather Strand | — | (707) 938 5172 | Other | Sonoma · Sonoma County | — | — |
| E K R Electric | Eric Kane Runft | eric@ekrelectric.com | (707) 800 7926 | Electricians | Santa Rosa · Sonoma County | — | — |
| E L Hughes Construction INC | Evan Luther Hughes | — | (909) 239 3481 | GC, remodel, ADU | Sebastopol · Sonoma County | — | — |
| E Ls Electrical Services | Aaron Matthew Tayl Riechel | elselectrics@hotmail.com | (707) 889 1455 | Electricians | Santa Rosa · Sonoma County | — | — |
| E M H Construction | Earl Milton Horner | — | (707) 328 8633 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| E M L HVAC INC | Eric Michael Luiz | — | (707) 291 1273 | HVAC | Petaluma · Sonoma County | — | — |
| E P Building | E P Building | eric@epbuilding.com | (415) 425 6298 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| E P N Construction | Padilla Nuno Eduardo | — | (707) 337 6305 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| E Rantissi Construction | Elias Bahij Rantissi | — | (707) 396 7472 | GC, remodel, ADU | Rohnert Park · Sonoma County | — | — |
| E Rodas Construction INC | Wuilmer Ivan Mazariegos Monterroso | — | (415) 377 5734 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| E S Roofing INC | Enrique Sanchez | — | (707) 837 5030 | Other roofers | Windsor · Sonoma County | — | — |
| E Valdez Framing INC | Valdez Alvizar Enrique | evaldezframinginc@gmail.com | (707) 217 9560 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| E Y Painting | E Y Painting | — | (707) 548 3847 | Windows, patio, painters | Rohnert Park · Sonoma County | — | — |
| E&j Landscaping | Lorena Ochoa | — | (707) 535 6795 | Windows, patio, painters | Rohnert Park · Sonoma County | — | — |
| E. P. C. Built Inc. | Edward Patrick Cunniffe | epcbuilt@gmail.com | (415) 573 5280 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Ea Tree Expert Company INC | Eric Leblanc | — | (707) 829 2808 | Other | Graton · Sonoma County | — | — |
| Eagle Hardwood Floors | Jose De Jesus Ramirez | — | (707) 773 1148 | Other | Petaluma · Sonoma County | — | — |
| Eames Construction INC | Ryan Patrick Eames | info@eames.us.com | (707) 781 0765 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Earl Construction Co | Charles Douglas Earl | — | (707) 529 2941 | GC, remodel, ADU | Windsor · Sonoma County | — | — |
| Earl's Electric And Home Works | Earl Arthur Gordon | — | (707) 996 3682 | Electricians | Sonoma · Sonoma County | — | — |
| Earth Design Group INC | Silas Jr Edman | — | (707) 823 9233 | Windows, patio, painters | Sebastopol · Sonoma County | — | — |
| Earth Moving Solutions | Earth Moving Solutions | — | (707) 695 0437 | Other | Santa Rosa · Sonoma County | — | — |
| Earth Pop Building INC | Eric Michael Pocci | — | (510) 396 7611 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Earth Star Electric | Daniel Emile Sinotte | — | (707) 933 1510 | Electricians | Sonoma · Sonoma County | — | — |
| Earth Tone Painting And Decorating | Earth Tone Painting And Decorating | — | (707) 433 9021 | Windows, patio, painters | Healdsburg · Sonoma County | — | — |
| Earthbound Energy LLC | Alexander Nabil Baky | info@earthboundsolar.com | (415) 596 6572 | Electricians | Petaluma · Sonoma County | — | — |
| Earthtone Construction INC | Bannister Andrew | info@earthtoneconstruction.com | (707) 823 6118 | GC, remodel, ADU | Sebastopol · Sonoma County | — | — |
| Earthtone Homes | Earthtone Homes | — | (530) 295 7306 | GC, remodel, ADU | Guerneville · Sonoma County | — | — |
| Earthworks Landscaping | Earthworks Landscaping | — | (707) 894 4311 | Windows, patio, painters | Cloverdale · Sonoma County | — | — |
| Earthworx LLC | Norman Edward Hare | rob@earthworx.com | (707) 761 2025 | Other | Santa Rosa · Sonoma County | — | — |
| Easton Plumbing INC | John Francis Mc Mahon | — | (707) 756 0113 | Other | Sonoma · Sonoma County | — | — |
| Eba Engineering | Eljumaily Nazar | — | (707) 544 0784 | Other | Santa Rosa · Sonoma County | — | — |
| Eben Ezer Construction | Santos Alfredo Mendoza Montes De Oca | — | (707) 758 0654 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Eccles Electrical | Christopher Michael Eccles | eccleselectrical.whitianga@gmail.com | (415) 244 5811 | Electricians | Guerneville · Sonoma County | — | — |
| Ecco Insulation INC | Ellen Lynn Beck | — | (707) 935 9555 | Other | Sonoma · Sonoma County | — | — |
| Echelou Pool And Spa | Echelou Pool And Spa | — | (707) 775 9586 | Pool | Windsor · Sonoma County | — | — |