| Faithful Kingdom Construction | Timothy Nicholas Thelen | — | (805) 795 1629 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Falcon Overhead Doors | Falcon Overhead Doors | — | (805) 493 4949 | Other | Westlake Village · Ventura County | — | — |
| Falcon Roofing Company | Charles Michael Parrent | — | (805) 484 7400 | Other roofers | Camarillo · Ventura County | — | — |
| Falcone General Engineering INC | Falcone Salvador | — | (805) 499 0880 | Other | Newbury Park · Ventura County | — | — |
| Famac | Sinutko John | — | (805) 890 0119 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Family Air Conditioning INC | Gerald Frank Giarrusso | — | (805) 581 6055 | HVAC | Simi Valley · Ventura County | — | — |
| Far West Construction Co | Dale Warren Jaedtke | — | (805) 648 2207 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Faraz Karim Sarahang | Faraz Karim Sarahang | — | (818) 402 4268 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Farmers Painting INC | Richard Russell Jr Farmer | — | (805) 527 3690 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Farrell Construction | Martin Wayne Farrell | — | (805) 890 3293 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Farren Construction | Trever Ray Farren | — | (805) 218 6218 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Fast Eddie's | Fast Eddie's | — | (626) 450 5050 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Fast Fredy Electric INC | Fredy Rene Cajas | — | (805) 701 3881 | Electricians | Ventura · Ventura County | — | — |
| Fast Track Builders | Richard Chung Chin Lee | — | (818) 433 5703 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Fastsigns Of Oxnard | Saurabh Bajaj | — | (805) 278 7800 | Other | Oxnard · Ventura County | — | — |
| Fca Painting INC | Fervin Rubilio Castaneda Aguirre | — | (805) 915 7022 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Fearn Construction | Leif Charles Fearn | — | (805) 630 4980 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Federis Construction | Ashley Garcia Federis | — | (805) 229 9272 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Fedvel Construction INC | Federico Velasquez | fedvelinc@gmail.com | (805) 341 7992 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Felipe Solorzano | Felipe Solorzano | — | (310) 703 8109 | Pool | Simi Valley · Ventura County | — | — |
| Felix Garcia Concrete Co | Felix Iii Garcia | — | (805) 732 9701 | Other | Newbury Park · Ventura County | — | — |
| Felix Industries | Jose Felix | — | (805) 727 5000 | Other | Fillmore · Ventura County | — | — |
| Felix R Gomez Planning-design-construction | Felix Randolph Gomez | — | (805) 231 8063 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Fence 4 U | Fence 4 U | — | (805) 298 9225 | Windows, patio, painters | Santa Paula · Ventura County | — | — |
| Fence And Gate Supply LLC | Julio Cesar Gonzalez | — | (805) 750 2040 | Other | Simi Valley · Ventura County | — | — |
| Fence Connection | Fence Connection | — | (805) 498 9474 | Other | Newbury Park · Ventura County | — | — |
| Fence Factory | Justin Tyler Bennett | — | (805) 644 7207 | Other | Oxnard · Ventura County | — | — |
| Fence Machine | Fence Machine | — | (805) 843 2140 | Other | Santa Paula · Ventura County | — | — |
| Fenton Floor Designs | Fenton Floor Designs | — | (805) 797 7563 | Other | Ventura · Ventura County | — | — |
| Fermanns Construction LLC | Moses Abraham Ferman | — | (747) 567 6466 | GC, remodel, ADU | Piru · Ventura County | — | — |
| Fermin Vences | Fermin Vences | — | (805) 689 8789 | Other | Ventura · Ventura County | — | — |
| Fernandez Electrical | David Rocha Fernandez | jff.electricalservice@gmail.com | (805) 248 6052 | Electricians | Oxnard · Ventura County | — | — |
| Fernandez Roofing | Sergio Jr Fernandez | — | (805) 637 2168 | Other roofers | Oxnard · Ventura County | — | — |
| Fernando Garcia | Fernando Garcia | — | (805) 797 3732 | Electricians | Oxnard · Ventura County | — | — |
| Fernando's Glass | Fernando's Glass | — | (805) 890 2746 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Ferrante Koberling Construction INC | Michael Anthony Ferrante | — | (805) 504 1625 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Fgsc INC DBA Rooter Solutions | Sean Carl Collins | — | (805) 570 5200 | Other | Ventura · Ventura County | — | — |
| Fiberdyne INC | Kurtis Darwin Huckans | sales@fiberdyne.com | (805) 732 6370 | Other | Simi Valley · Ventura County | — | — |
| Fiberglass Creations | Ramirez Noe Villanueva | — | (805) 889 9585 | Pool | Oxnard · Ventura County | — | — |
| Fidel A Perez | Fidel A Perez | — | (805) 796 0443 | Other | Ojai · Ventura County | — | — |