| Electrical Detectives INC | Jason Michael Gleim | info@electrical-detectives.com | (707) 296 4065 | Electricians | Rohnert Park · Sonoma County | — | — |
| Electrical Equipment Co INC | James Everett Schroeder | — | (707) 762 2883 | Electricians | Petaluma · Sonoma County | — | — |
| Electrotek | Kenneth William Meyer | — | (707) 321 1508 | Electricians | Santa Rosa · Sonoma County | — | — |
| Element Fire Protection INC | Jorge Rafael Romero | — | (707) 302 8223 | Other | Windsor · Sonoma County | — | — |
| Element Outdoor Pool Construction LLC | Jarrett James Craig Sigler | — | (707) 387 0208 | Pool | Santa Rosa · Sonoma County | — | — |
| Eleos Electric | John Alexander Evans | — | (707) 837 6722 | Electricians | Windsor · Sonoma County | — | — |
| Elevated Comfort INC | Matthew Alan| Mc Donald Matthew Alan Mcdonald | — | (707) 284 1039 | HVAC | Cotati · Sonoma County | — | — |
| Elevated Construction | Joel Eugene Shock | — | (707) 740 3847 | GC, remodel, ADU | Rohnert Park · Sonoma County | — | — |
| Elevated Electric | Christopher Deandre Hernandez | info@elevatedelectric.com | (707) 235 5597 | Electricians | Rohnert Park · Sonoma County | — | — |
| Elevator Suspended Platform L P | Joseph William Aujay | — | (415) 798 0021 | Other | Santa Rosa · Sonoma County | — | — |
| Eleven Engineering INC | Ryan Andrew Harding | — | (707) 789 7900 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Elex Solutions INC | Taht Tarmo | ryan@elexsolutions.com | (415) 326 3259 | Electricians | Petaluma · Sonoma County | — | — |
| Elias Construction INC | Langley Pete | — | (208) 309-0132 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Elias Hernandez Roofing | Hernandez Elias | — | (707) 546 7573 | Other roofers | Santa Rosa · Sonoma County | — | — |
| Elite Concrete Construction INC | Edwin Jose Navarro | — | (707) 836 4350 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Elite Construction | Martin John Sessi | info@eliteconstruction.ca | (707) 536 5991 | GC, remodel, ADU | Penngrove · Sonoma County | — | — |
| Elite Contracting | Casey Lee Heun | — | (707) 921 8840 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Elite Painting | Elite Painting | interested@domainmarket.com | (707) 800 5780 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Elite Paving Company | Richard Anthony Golobe | — | (707) 331 3024 | Other | Sebastopol · Sonoma County | — | — |
| Elite Pipe Solutions LLC | Diego Vasquez | — | (707) 782 6037 | Other | Petaluma · Sonoma County | — | — |
| Elite Plumbing Services | Dominic Gabriel Capito | — | (707) 843 6560 | Other | Cotati · Sonoma County | — | — |
| Elite Tile Premiere INC | Gonzalez Gustavo | — | (707) 477 6196 | Other | Petaluma · Sonoma County | — | — |
| Elj Construction | Erick F Nunez | — | (909) 248 5953 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Elledge Construction | Todd Fitzhugh Elledge | — | (707) 548 3469 | GC, remodel, ADU | Forestville · Sonoma County | — | — |
| Elliott Construction | Steven Curtis Elliott | — | (925) 699 0139 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Ellis & Gerald Sullivan INC | Ellis Louis Sullivan | — | (707) 762 0097 | Other | Petaluma · Sonoma County | — | — |
| Ellis Flooring INC | Zachary Scott Ellis | — | (707) 792 2151 | Other | Santa Rosa · Sonoma County | — | — |
| Elovolt Electrical Contractor INC | Ortiz Erik Lopez | — | (707) 694 6965 | Electricians | Rohnert Park · Sonoma County | — | — |
| Emerald Ridge Const Co | Troy James Filardo | — | (707) 217 8836 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Emery Rowand Development | Emery Rowand Development | — | (415) 827 8299 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Emilio Tile | Emilio Tile | — | (415) 246 0879 | Other | Petaluma · Sonoma County | — | — |
| Eminence Painting | Eminence Painting | — | (707) 293 0783 | Windows, patio, painters | Healdsburg · Sonoma County | — | — |
| Emj Builders INC | Ethan Mark Johnson | — | (707) 890 5155 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Emmert Brothers Plumbing | Travis James Emmert | — | (707) 293 6843 | Other | Sebastopol · Sonoma County | — | — |
| Emmett Electric | Samuel Emmett Johnson | — | (707) 230 7719 | Electricians | Petaluma · Sonoma County | — | — |
| Empire Asphalt & Engineering Co INC DBA Empire Construction And | Rodney Philip Sichel | — | (707) 586 8520 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Empire Builders | Empire Builders | — | (707) 694 8672 | GC, remodel, ADU | Cloverdale · Sonoma County | — | — |
| Empire Building And Restoration INC | Andrew Konstantin Zaharoff | — | (707) 838 3181 | GC, remodel, ADU | Windsor · Sonoma County | — | — |
| Empire Earthworks LLC | Jeremy James Greer | — | (707) 757 5400 | Electricians | Sebastopol · Sonoma County | — | — |
| Empire Electric & Controls | Edgar Sandoval | — | (707) 481 8159 | Electricians | Petaluma · Sonoma County | — | — |