| Flores Pool And Spa Care | Flores Pool And Spa Care | — | (760) 916 3657 | Pool | Temecula · Riverside County | — | — |
| Flores Quality Construction | Hector Ramon Flores Rodriguez | — | (323) 440 0395 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Florez Landscaping Consultant | Florez Landscaping Consultant | dave@lab6.com | (619) 750 1398 | Windows, patio, painters | Beaumont · Riverside County | — | — |
| Floval Construction | Francisco Alejandro Flores | — | (714) 721 9903 | GC, remodel, ADU | Norco · Riverside County | — | — |
| Flow Landscape LLC | Stanley Jaephil Suh | info@flowlandscape.com | (714) 900 7865 | Windows, patio, painters | Corona · Riverside County | — | — |
| Flow Right Rooter & Plumbing | Flow Right Rooter & Plumbing | — | (951) 334 0644 | Other | Banning · Riverside County | — | — |
| Flow-pro Plumbing & Backflow | Flow-pro Plumbing & Backflow | — | (951) 922 9343 | Other | Banning · Riverside County | — | — |
| Flowers Plumbing INC | Montoya Alfredo Flores | — | (951) 870 7174 | Other | Moreno Valley · Riverside County | — | — |
| Flowpro Heating & Air | Mehdi Abbas | — | (818) 625 8223 | HVAC | Corona · Riverside County | — | — |
| Flowright Sanitary Structures INC | Andrew John Jr Rainer | — | (951) 805 7917 | Other | Wildomar · Riverside County | — | — |
| Fm General Contractors INC | Fernando Cazares Morales | — | (562) 201 4970 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Fm Remodel & Construction | Felix Teberieo Morales | — | (951) 386 1888 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Fmc Electrical Services | Julio Cesar Sr Felix | — | (323) 479 4950 | Electricians | Norco · Riverside County | — | — |
| Foam Roofing Experts Of The Desert INC | Raymond Allan Carano | — | (760) 333 3556 | Other roofers | Cathedral City · Riverside County | — | — |
| Foambond Corporation | Miguel Abraham Jr Terriquez | office@foambond.com | (866) 404 5440 | Other roofers | Palm Springs · Riverside County | — | — |
| Foamfusion Roofing LLC | Roberto Carlos Medina | — | (760) 534 4305 | Other roofers | Palm Springs · Riverside County | — | — |
| Foammates | Manuel Armando Martinez | — | (760) 464 3226 | Other roofers | Desert Hot Springs · Riverside County | — | — |
| Focus Point Woodwork LLC | Osmin Eduardo Rodriguez | — | (714) 955 7093 | Other | Jurupa Valley · Riverside County | — | — |
| Fog Coat Corporation | Thomas Edward Potter | tom@fogcoat.com | (951) 609 0089 | Windows, patio, painters | Wildomar · Riverside County | — | — |
| Folger Mechanical LLC | David Arza Jr Folger | — | (714) 686 5035 | HVAC | Norco · Riverside County | — | — |
| Folkers Construction | Charles Harold Folkers | — | (408) 908 0090 | GC, remodel, ADU | Rancho Mirage · Riverside County | — | — |
| Folliott Construction | Kirk Allen Folliott | — | (562) 686 8801 | GC, remodel, ADU | Canyon Lake · Riverside County | — | — |
| Folliott Construction INC | Kirk Allen Folliott | — | (562) 686 8801 | GC, remodel, ADU | Canyon Lake · Riverside County | — | — |
| Fonseca's Roofing | Jose Roberto Fonseca | — | (951) 522 0607 | Other roofers | Perris · Riverside County | — | — |
| Fonz's Painting | Fonz's Painting | — | (760) 413 3395 | Windows, patio, painters | Rancho Mirage · Riverside County | — | — |
| Foothill Ceramic Tile | Foothill Ceramic Tile | — | (951) 205 5406 | Other | Riverside · Riverside County | — | — |
| Force Demolition INC | Duane Micheal Pate | — | (909) 489 2500 | Other | Corona · Riverside County | — | — |
| Force Engineering & Construction | Michael Donald Lubanko | — | (951) 691 0625 | Other | Murrieta · Riverside County | — | — |
| Forced Air Mechanical INC | Robert Nathan Blades | — | (951) 622 3295 | HVAC | Jurupa Valley · Riverside County | — | — |
| Ford Flooring | Ford Flooring | — | (951) 837 7444 | Other | Murrieta · Riverside County | — | — |
| Ford Plumbing | Ford Plumbing | — | (951) 387 1579 | Other | Murrieta · Riverside County | — | — |
| Fords Plumbing Systems | Fords Plumbing Systems | — | (208) 497 1979 | Other | Banning · Riverside County | — | — |
| Fore Contractors INC | Maria Guadalupe Beatty | — | (951) 272 1322 | GC, remodel, ADU | Norco · Riverside County | — | — |
| Fore Star Roofing | Wesley Randal Cole Wilkerson | — | (760) 770 4535 | Other roofers | Cathedral City · Riverside County | — | — |
| Forefront Electric Solutions | Christopher Michael Bowman | — | (951) 484 0484 | Electricians | Corona · Riverside County | — | — |
| Forest Custom Painting | Forest Custom Painting | — | (760) 285 7651 | Windows, patio, painters | Palm Desert · Riverside County | — | — |
| Forever Flow Solutions | Forever Flow Solutions | — | (951) 216 3088 | Other | Perris · Riverside County | — | — |
| Forever Green Landscape Service INC | Jeannette Sarah De Anda | — | (714) 809 4321 | Windows, patio, painters | Corona · Riverside County | — | — |
| Forever Home Remodeling INC | David Roderick Furtado | info@foreverhomeremodeling.com | (213) 999 3486 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Forge Grading And Paving | Ryan Christopher Martinez | — | (951) 255 0175 | Other | Menifee · Riverside County | — | — |