| Foothill Plumbing | Leroy Steven Jahn | — | (408) 807 4228 | Other | San Jose · Santa Clara County | — | — |
| Forever Custom Tile | Forever Custom Tile | irahetaevaristo@gmail.com | (408) 903 9567 | Other | San Jose · Santa Clara County | — | — |
| Foreverpure Innovative Construction Corporation | Baiyan Chen | — | (415) 939 5936 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Forma Design Plus Build | Roy Harel | — | (323) 975 5574 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Forma Sunlight Construction INC | Charles Dee Yu | — | (650) 918 0218 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Formula One Roofing INC | Salas Marcelo Perez | — | (510) 258 3554 | Other roofers | E Palo Alto · Santa Clara County | — | — |
| Formx Build LLC | Robert John Harmola | — | (650) 668 2330 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Fortino's Garage Door Service | Mario Jr Fortino | mario@fortinosgaragedoorservice.com | (408) 710 3539 | Other | Gilroy · Santa Clara County | — | — |
| Fortis Gc Construction LLC | Kevin Randu Cano | contact@fortisgcconstruction.com | (415) 815 8851 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Fortress Builders | Fortress Builders | interested@domainmarket.com | (408) 535 3555 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Fortune Cabling Services | Cielo Rosario Quij Ulpindo | — | (408) 646 8877 | Other | Los Altos · Santa Clara County | — | — |
| Foster Bros Security Systems INC | Jeffrey Scott Sanchez | — | (408) 736 4500 | Alarm and generators | Sunnyvale · Santa Clara County | — | — |
| Foundation Strategies And Construction INC | Kenneth Dale Coleman | — | (408) 320 7433 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Founders Construction INC | Alex Michael Lyon | alyon@founders-construction.com | (949) 244 6147 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Fountaine Information Systems INC | Brandon Lee Fountaine | — | (408) 921 0732 | Other | San Jose · Santa Clara County | — | — |
| Four Seasons Construction | Dinh Huu Nguyen | — | (408) 966 4253 | Electricians | San Jose · Santa Clara County | — | — |
| Four Seasons Construction & Landscaping | Dinh Huu Nguyen | — | (408) 391 4462 | Electricians | San Jose · Santa Clara County | — | — |
| Four Seasons General Construction | David Allen Rego | — | (408) 210 5132 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Four Seasons Green Corporation | Osbaldo Miranda Trejo | — | (408) 660 0614 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Four Seasons Roofing INC | Alfred Diaz | — | (408) 278 0330 | Other roofers | San Jose · Santa Clara County | — | — |
| Fox Onsite Septic Construction | Ryan Michael Fox | — | (831) 531 7205 | Other | San Jose · Santa Clara County | — | — |
| Fox's Concrete INC | Franklin Warren Fox | — | (408) 590 1409 | Other | San Jose · Santa Clara County | — | — |
| Fragola Contracting | Matthew Joseph Fragola | — | (408) 596 4106 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Frame And Finish | Frame And Finish | — | (510) 938 5849 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Fran Yetso Construction Co | Francis Joseph Jr Yetso | — | (650) 804 0167 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Franc Construction INC | Carmona Sanchez Francisco | — | (408) 373 6058 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Franc Salazar | Franc Salazar | — | (669) 293 7719 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Francia Engineering INC | Antonio Francia Toledo | antoniotoledo@franciaengineering.com | (408) 259 6577 | Other | San Jose · Santa Clara County | — | — |
| Franciscan Glass Company | Daniel Lloyd Bibo | info@franciscanglass.com | (650) 948 6666 | Windows, patio, painters | Mountain View · Santa Clara County | — | — |
| Francisco Berrueta | Francisco Berrueta | — | (408) 661 1639 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Francisco D Paz Painting | Francisco D Paz Painting | — | (650) 518 0778 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Francisco's Full Tree Service INC | Jose Cruz Garcia Lopez | — | (408) 757 8268 | Tree | San Jose · Santa Clara County | — | — |
| Franco Agustin Painting Services | Alonso Agustin Franco | — | (669) 282 5105 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Franco Payless Services INC | Martin Zavala Franco | — | (408) 420 3666 | Other | Gilroy · Santa Clara County | — | — |
| Franco Tree Service | Maria Del Rosario Franco | — | (408) 667 3029 | Tree | Morgan Hill · Santa Clara County | — | — |
| Francos General Construction | Agustin A Franco Guardado | — | (408) 390 6093 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Frank Duquette | Frank Duquette | — | (408) 857 0852 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Frank Marrone Construction | Francis Alexander Marrone | — | (408) 219 9565 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Frank Moreno Floors | Frank Moreno Floors | — | (408) 691 9420 | Other | San Jose · Santa Clara County | — | — |
| Frank N Cozzitorto | Frank N Cozzitorto | — | (408) 406 0210 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |