| Eyal Giat Landscape Horticulture | Eyal Giat Landscape Horticulture | — | (510) 520 8874 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Ez Air Control | Ez Air Control | — | (510) 648 3922 | HVAC | Union City · Alameda County | — | — |
| Ez Baths | Ez Baths | — | (510) 782 7820 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Ezell's Telephone Company E-z Tel INC | Martha Jolean Ezell | — | (925) 449 1504 | Other | Livermore · Alameda County | — | — |
| Ezra Construction | Moshe Ezra | — | (510) 540 5490 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Ezra Hutchson | Ezra Hutchson | — | (925) 216 0767 | Other | Livermore · Alameda County | — | — |
| F & Q Builders INC | Quan Van Nguyen | — | (510) 836 4000 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| F B A Construction INC | Terry Wayne Campbell | — | (510) 536 3813 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| F B Builders INC | Rivera Alfredo | — | (209) 401 0167 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| F B D Vanguard Construction INC | Billie Ann Sposeto | — | (925) 245 1300 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| F C B International Co | John Ang Chiang | — | (510) 654 7765 | Electricians | Oakland · Alameda County | — | — |
| F C O General Construction | Jose Francisco Ramos | — | (510) 715 1126 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| F G Y Construction INC | Philip Fenglin Szeto | — | (510) 783 8882 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| F J Joyce Construction | Fred Joseph Iii Joyce | — | (510) 846 1767 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| F M S Projects INC | Frank Martin Silver | — | (415) 722 9805 | GC, remodel, ADU | Piedmont · Alameda County | — | — |
| F M T Painting | F M T Painting | — | (510) 395 4368 | Windows, patio, painters | Oakland · Alameda County | — | — |
| F M Tile & Marble Easy | Francisco Morfin Favian | — | (510) 206 4823 | Other | Oakland · Alameda County | — | — |
| F R H Hardwood Floors INC | Francisco Ramirez-Hernandez | — | (408) 590 0607 | Other | San Lorenzo · Alameda County | — | — |
| F R Y Construction Co | Frankie Qing Yau | — | (510) 368 2270 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| F6 Buildtech LLC | Jalandhar Kongara | — | (302) 766 1864 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Facilities Plumbing & Drain | Robert Trong Ngo | — | (510) 925 7020 | Other | Hayward · Alameda County | — | — |
| Facilities Protection Systems | James Benjamin Zaboski | — | (925) 484 3701 | Electricians | Pleasanton · Alameda County | — | — |
| Factory Direct Floor | Factory Direct Floor | — | (510) 895 5133 | Other | San Leandro · Alameda County | — | — |
| Fadelli Concrete Pumping | Ronald Melvin Fadelli | — | (510) 525 4111 | Other | Berkeley · Alameda County | — | — |
| Faggiano Const | Faggiano Const | — | (925) 260 5324 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| Fairview Development INC | Aftab Singh Gill | — | (888) 829 2754 | Electricians | Hayward · Alameda County | — | — |
| Fairview Restoration INC | Kevin Julian Rizzi | — | (408) 466 5156 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Falaschi Construction Company | Robert E Falaschi | — | (510) 530 3454 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Falconi & Son's Construction INC | Jose Antonio Falconi-Guerrero | build@falconiconstruction.com | (209) 200 4435 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Falling Leaf Landscaping | Jose Alberto Gonzalez | — | (650) 207 8604 | Windows, patio, painters | Newark · Alameda County | — | — |
| Fampeca Electric & Construction | Cabrera Ruben Perez | — | (510) 815 1979 | Electricians | Oakland · Alameda County | — | — |
| Fantastica Water Solutions | Omar Aqeel Alshareef | sales@fantasticawatersolutions.com | (510) 241 5707 | Other | Hayward · Alameda County | — | — |
| Farallon Scaffolding Services | Juan Fernando Burgos | — | (415) 387 2144 | Other | Hayward · Alameda County | — | — |
| Farhad Construction | Azizi Farhad | farhaco@farhadconstruction.com | (510) 586 6325 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Faro Hardwood Floors INC | Aurora Romo | aurora@farohardwoodfloors.com | (510) 461 2627 | Other | San Lorenzo · Alameda County | — | — |
| Fast & Reliable General Contractor | Antonio Jose Romo Sigala | — | (510) 712 1756 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Fast Amigos Construction | Habibullah Khadaam | — | (510) 830 7584 | GC, remodel, ADU | San Lorenzo · Alameda County | — | — |
| Fastsigns Oakland | Linda Fong | — | (510) 465 7788 | Other | Oakland · Alameda County | — | — |
| Fault Line Plumbing INC | Sean Patrick Collins | estimates@faultlineplumbing.com | (925) 443 6450 | HVAC | Livermore · Alameda County | — | — |
| Faustino Rivas | Faustino Rivas | — | (650) 921 2293 | Other | Hayward · Alameda County | — | — |