| Foothills Air Conditioning INC | Justin David Bryant | — | (530) 908 5080 | HVAC | Foresthill · Placer County | — | — |
| Foothills Earthworks | Foothills Earthworks | — | (916) 677 7908 | Other | Newcastle · Placer County | — | — |
| Foothills Electric | Gary Steven Fuller | — | (650) 255 0400 | Electricians | Newcastle · Placer County | — | — |
| Foothills Engineering | Keith Edward Bayne | contact@foothillsengineering.com | (916) 833 6644 | Other | Meadow Vista · Placer County | — | — |
| Foremost Maintenance Construction | Kevin Anthony Sanders | — | (916) 759 0427 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Forensic Construction INC | Barbara Anne Saleme | — | (510) 750 7904 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Forest To Frame Construction Solutions LLC | Mason Mark Aubuchon | — | (530) 401 3146 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Foresthill Construction & Service Co | Gerald Cooper Jr Ford | — | (530) 906 5567 | GC, remodel, ADU | Foresthill · Placer County | — | — |
| Forgen Drc Jv | LLC Forgen | — | (916) 462 6402 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Forgen LLC | George William Little | — | (916) 462 6402 | Other | Rocklin · Placer County | — | — |
| Forgen-myers | LLC Forgen | — | (916) 462 6402 | Other | Rocklin · Placer County | — | — |
| Forman's Pools And Spa Service And Maintenance | Christopher Shane Forman | — | (530) 888 6950 | Pool | Auburn · Placer County | — | — |
| Formo Construction | James Francis Formo | — | (530) 906 8324 | GC, remodel, ADU | Dutch Flat · Placer County | — | — |
| Forrest G Shesler General Contractor | Forrest G Shesler General Contractor | — | (619) 228 4189 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Forster Heating Air Conditioning & Sheet Metal | Michael Lee Forster | — | (530) 888 1163 | HVAC | Auburn · Placer County | — | — |
| Fort Ross Siding INC | Ben Lashchuk | — | (916) 752 5252 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Fortier's Plumbing | Fortier's Plumbing | — | (208) 899 1127 | Other | Auburn · Placer County | — | — |
| Forum Design INC | Kevin Christopher Petkus | — | (916) 316 6575 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Forward Signs & Products | Forward Signs & Products | — | (916) 784 0101 | Other | Roseville · Placer County | — | — |
| Foss Evan | Foss Evan | — | (530) 401 6296 | Tree | Newcastle · Placer County | — | — |
| Fountain Plumbing Services | Jacob Adam La Fountain | — | (916) 936 5051 | Other | Foresthill · Placer County | — | — |
| Four Roots Air Solutions LLC | Kayla Frances Quezada | — | (916) 664 4843 | HVAC | Loomis · Placer County | — | — |
| Four Seasons Gutter Filter INC | William Alexander Sackett | — | (844) 345 8374 | Other | Roseville · Placer County | — | — |
| Fox Sierra Construction INC | Jason Alan Weaver | impallari@gmail.com | (530) 426 2420 | GC, remodel, ADU | Alta · Placer County | — | — |
| Fox Welding | Fox Welding | eben@eyebytes.com | (541) 410 2137 | Other | Newcastle · Placer County | — | — |
| Fox Welding Iron Designs | Fox Welding Iron Designs | mike@foxweldingirondesigns.com | (530) 386 5175 | Other | Kings Beach · Placer County | — | — |
| Foxwedge Building Co | Joshua Robla Nicholson | — | (607) 435 2367 | GC, remodel, ADU | Tahoma · Placer County | — | — |
| Francco Plumbing | Francco Plumbing | — | (916) 880 6056 | Other | Auburn · Placer County | — | — |
| Francisco Miqueo | Francisco Miqueo | — | (530) 304 1535 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Franco And Sons Construction LLC | Juan Carlos Franco | — | (916) 316 2938 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Frank Flissinger DBA Singer Plumbing | Frank Flissinger DBA Singer Plumbing | — | (916) 784 0763 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Frank Henry Plumbing | Frank Henry Plumbing | — | (916) 934 6508 | Other | Penryn · Placer County | — | — |
| Frank Robert Adams Jr | Frank Robert Adams Jr | — | (209) 298 2702 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Frankenberg Construction | Kurt Pearsal Frankenberg | — | (530) 559 1828 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Franz Construction INC | Douglas Wayne Franz | office@franz-construction.com | (916) 425 2598 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Fred's Painting & Decorating Co | Fred Revilla Rodriguez | — | (408) 500 7199 | Windows, patio, painters | Rocklin · Placer County | — | — |
| Free Flow Plumbing | Duran-garcia Fernando | — | (916) 749 8495 | Other | Roseville · Placer County | — | — |
| Freed's Excavating INC | Brion Allen Freed | — | (916) 663 9211 | Other | Auburn · Placer County | — | — |
| Freedom Business Communications | Freedom Business Communications | — | (916) 435 2614 | Other | Rocklin · Placer County | — | — |
| Freedom Concrete Construction INC | Trevor Austin Eveler | freedomconcreteconstruction@gmail.com | (916) 532 6282 | Other | Auburn · Placer County | — | — |