| Fencecorp INC | Lonnie Jacen Rutt | — | (951) 686 3170 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Fenceology INC | Jose Adan Sanchez | — | (951) 662 0668 | Other | Beaumont · Riverside County | — | — |
| Fenceworks Rental Systems LLC | Schechtel Ira | — | (760) 754 4521 | Other | Riverside · Riverside County | — | — |
| Fenner Enterprises | William Edward Birkholz | — | (626) 484 3488 | Other | Winchester · Riverside County | — | — |
| Ferdaws Builders INC | Mohamad Sleiman Ferdaws | — | (951) 818 7788 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Feregrino Construction Company | Bautista Andres Feregrino | — | (951) 665 0980 | GC, remodel, ADU | Hemet · Riverside County | — | — |
| Ferguson Flooring INC | Shawn Kelly Ferguson | — | (951) 334 1632 | Other | Hemet · Riverside County | — | — |
| Ferguson Plumbing Company | William Joseph Ferguson | — | (951) 970 7325 | Other | Wildomar · Riverside County | — | — |
| Fermin Diaz General Contractor | Fermin Diaz General Contractor | — | (951) 359 5021 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Fermin Israel Fosado | Fermin Israel Fosado | — | (310) 490 7737 | Electricians | Corona · Riverside County | — | — |
| Fernandez Construction & Remodeling | Joaquin Miranda Fernandez | — | (714) 981 8092 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Fernandez Floor Covering | Fernandez Floor Covering | — | (714) 851 1188 | Other | Corona · Riverside County | — | — |
| Fernando Castro | Fernando Castro | — | (760) 600 2618 | Other | La Quinta · Riverside County | — | — |
| Fernando Garcia | Fernando Garcia | — | (951) 254 6382 | Electricians | Corona · Riverside County | — | — |
| Fernando Godinho Drywall | Fernando Godinho Drywall | — | (951) 203 6457 | Other | Jurupa Valley · Riverside County | — | — |
| Fernando Godoy | Fernando Godoy | — | (951) 836 8107 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Fernando Jimenez | Fernando Jimenez | — | (951) 807 4162 | Windows, patio, painters | Moreno Valley · Riverside County | — | — |
| Fernando Lira | Fernando Lira | — | (714) 931 9138 | GC, remodel, ADU | Jurupa Valley · Riverside County | — | — |
| Fernando Trujillo Shadeworks | Fernando Trujillo Shadeworks | — | (714) 801 7139 | Other | Moreno Valley · Riverside County | — | — |
| Fernando Urzua Reinforcing Steel INC | Urzua Fernando | — | (951) 790 7061 | Other | Lake Elsinore · Riverside County | — | — |
| Fernando Zuniga Espino | Fernando Zuniga Espino | — | (760) 863 6291 | Other | Indio · Riverside County | — | — |
| Fernandos Affordable Furniture | Fernandos Affordable Furniture | — | (760) 921 1144 | GC, remodel, ADU | Blythe · Riverside County | — | — |
| Feroleto Construction | Anthony Dakota Feroleto | — | (760) 610 9788 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Ferraj Tile & Stone Co | Fernando Raul Angulo Jimenez | — | (760) 609 1966 | Other | Indio · Riverside County | — | — |
| Ferraud Industries INC DBA Valley Plumbing Co | Sarie Laine Gonsalves | — | (760) 347 3629 | Other | Bermuda Dunes · Riverside County | — | — |
| Ff Masonry | Ff Masonry | — | (760) 469 6777 | Other | Desert Hot Springs · Riverside County | — | — |
| Ffg Construction & Contracting Co | Flores Fernando | — | (909) 859 4528 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Fge Construction | Fernando Guardarrama Esparza | sales@fgeconstruction.com | (951) 404 6092 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Fiberco General Engineering Contractors INC | David Roberto Zuniga | — | (951) 858 5201 | Other | Riverside · Riverside County | — | — |
| Fibers Insulation | Fibers Insulation | — | (909) 435 7249 | Other | Moreno Valley · Riverside County | — | — |
| Fidelis Elite Systems | Adrian Alexander Stoica | — | (951) 674 2220 | Other | Lake Elsinore · Riverside County | — | — |
| Fidels Custom Wood Works | Fidels Custom Wood Works | — | (951) 683 5682 | Other | Riverside · Riverside County | — | — |
| Fidencio Barrios - Lares | Fidencio Barrios - Lares | — | (562) 544 7594 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Fiducia's Construction Services | Ronald Daquila Fiducia | — | (951) 271 0614 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Fiedler Building Company | Adam Christian Fiedler | — | (760) 521 9263 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Field Security & Controls INC | Paul Heath Jr Field | — | (951) 850 5270 | Electricians | Mira Loma · Riverside County | — | — |
| Field View Construction Co INC | Andrew Isaac Cabrera | — | (951) 725 8004 | Electricians | Riverside · Riverside County | — | — |
| Figgy's Backflow Testing | Figgy's Backflow Testing | — | (951) 719 0326 | Other | Hemet · Riverside County | — | — |
| Figueroa Brothers Painting | Jorge Luis Quiroz Figueroa | — | (951) 451 0836 | Windows, patio, painters | Hemet · Riverside County | — | — |
| Figueroa Two Brothers Association INC | Felipe De Jesus Sauceda Rojo | — | (760) 600 4241 | HVAC | Indio · Riverside County | — | — |