| Escarlata Stone Tile INC | Perez Hernandez Roberto | — | (415) 913 8384 | Other | Rohnert Park · Sonoma County | — | — |
| Escobar Concrete | Escobar Concrete | — | (707) 326 2173 | Other | Santa Rosa · Sonoma County | — | — |
| Esp & Alarms INC | Nancy Carol Jamarck | — | (707) 528 3401 | Other | Santa Rosa · Sonoma County | — | — |
| Espinosa Construction General Building Contractor | Chavez Julio Espinosa | — | (707) 396 0627 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Esquared Electrical INC | Elias Riobard Henselyn | eworrell@esquaredelectrical.com | (707) 861 0733 | Electricians | Santa Rosa · Sonoma County | — | — |
| Essential Audio / Video | Essential Audio / Video | — | (707) 331 9135 | Other | Santa Rosa · Sonoma County | — | — |
| Essner Tree Service | Philip Downey Essner | phil@essnertreeservice.com | (707) 322 3977 | Tree | Santa Rosa · Sonoma County | — | — |
| Estes Heating And Cooling | Estes Heating And Cooling | — | (707) 495 6781 | HVAC | Santa Rosa · Sonoma County | — | — |
| Estrella Contractor | Estrella Contractor | — | (707) 703 6805 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Etchell Construction | Matthew Wright Etchell | — | (707) 490 5607 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Ettlin Construction | Ettlin Hugo | — | (707) 481 3800 | GC, remodel, ADU | Windsor · Sonoma County | — | — |
| Eugene P Dolcini Ceramic Tile | Eugene P Dolcini Ceramic Tile | — | (707) 763 0546 | Other | Petaluma · Sonoma County | — | — |
| Ev & J Construction Corp | Vieyra Elias | — | (707) 484 4017 | GC, remodel, ADU | Windsor · Sonoma County | — | — |
| Evans Construction INC | Brian William Evans | — | (707) 696 3879 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Evenich Construction INC | Ronald Keith Evenich | becky@evenichconstruction.com | (707) 479 8737 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Event Horizon | Event Horizon | — | (707) 778 7878 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Evergreen Builders INC | Jasmine Elizabeth Sheeks | — | (707) 921 8942 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Evina Construction | Evina-galindo Jaime | — | (707) 479 6567 | GC, remodel, ADU | El Verano · Sonoma County | — | — |
| Exact Plumbing | Exact Plumbing | zacharypeterson@comcast.net | (707) 235-8773 | Other | Sebastopol · Sonoma County | — | — |
| Excel Painting And Restoration | Excel Painting And Restoration | — | (415) 505 5403 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Excellence Heating And Air LLC | Anthony Joseph Simontacchi | — | (707) 687 9447 | HVAC | Santa Rosa · Sonoma County | — | — |
| Excelsior Heating & Cooling | Excelsior Heating & Cooling | — | (707) 696 3053 | HVAC | Vineburg · Sonoma County | — | — |
| Eximious Construction | Kelley Eleanor Bloomquist | — | (707) 807 9560 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Experience Luxury Building And Carpentry | Experience Luxury Building And Carpentry | — | (707) 360 8536 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Expert Edge Brush Finishing | Stephen K Wambia | — | (707) 703 3190 | Windows, patio, painters | Sebastopol · Sonoma County | — | — |
| Eyeball Enterprises INC | Michael James Bresnyan | — | (707) 996 5744 | Other | Vineburg · Sonoma County | — | — |
| F & D Master Custom Builders INC | Franklin Elias Lopez-Maldonado | fdmastercustombuilders@outlook.com | (415) 786 7797 | GC, remodel, ADU | Penngrove · Sonoma County | — | — |
| F & M Steel INC | Mark William Teuschler | — | (707) 431 2193 | Other | Healdsburg · Sonoma County | — | — |
| F C M Mechanical | F C M Mechanical | — | (707) 996 9818 | Other | El Verano · Sonoma County | — | — |
| F Griffitts Construction | Frank Wilson Griffitts | — | (707) 837 2894 | GC, remodel, ADU | Windsor · Sonoma County | — | — |
| F H Landscaping INC | Gonzalez Mendieta Hugo | — | (415) 858 9885 | Windows, patio, painters | Rohnert Park · Sonoma County | — | — |
| F M Works | F M Works | sales@onlinefm.com | (707) 732 0102 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| F T F Construction Company | Frank Joseph Iii Abena | — | (707) 315 5262 | GC, remodel, ADU | Sebastopol · Sonoma County | — | — |
| F Tile Company | Francisco Alejandro Fernandez | — | (707) 721 7040 | Other | Rohnert Park · Sonoma County | — | — |
| Fab Worx INC A California Corporation | Forrest James Moore | — | (707) 566 7045 | Other | Santa Rosa · Sonoma County | — | — |
| Fabien Tehrani Natural Finishes | Fabien Tehrani Natural Finishes | — | (310) 400 9537 | Windows, patio, painters | Sebastopol · Sonoma County | — | — |
| Fabrice Landa | Fabrice Landa | — | (707) 483 2557 | GC, remodel, ADU | Sebastopol · Sonoma County | — | — |
| Facciano HVAC And Sheet Metal | Mark Andrew Facciano | — | (707) 483 6754 | HVAC | Santa Rosa · Sonoma County | — | — |
| Faccini Tile | Faccini Tile | — | (707) 953 8190 | Other | Healdsburg · Sonoma County | — | — |
| Facility Development Company LLC | Stephen George Evans | — | (707) 523 1722 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |