| The Paint Genie | The Paint Genie | — | (530) 401 7944 | Windows, patio, painters | Auburn · Placer County | — | — |
| The Patriot Group | Jeffrey Erving Forbes | — | (850) 288 0481 | Windows, patio, painters | Roseville · Placer County | — | — |
| The Paver Pros Group INC | Ken Ray Kaeser | — | (800) 530 1000 | Windows, patio, painters | Roseville · Placer County | — | — |
| The Plaster Group INC | Donald Keith Ryan | — | (916) 770 6601 | Other | Rocklin · Placer County | — | — |
| The Plumber | The Plumber | — | (916) 622 3546 | Other | Rocklin · Placer County | — | — |
| The Plumbing Pros | Steven John Lee | — | (916) 778 7384 | Other | Loomis · Placer County | — | — |
| The S P Thomas Company Of Northern California | Stephen Paul Thomas | — | (916) 786 2040 | GC, remodel, ADU | Roseville · Placer County | — | — |
| The Smith Company INC | Gerard Joseph Kearney | — | (916) 772 3777 | GC, remodel, ADU | Loomis · Placer County | — | — |
| The Solution To Remodeling INC | Brian Patrick Goodrich | — | (916) 275 2331 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| The Spaid Company | Brett Dean Spaid | — | (916) 275 2881 | GC, remodel, ADU | Auburn · Placer County | — | — |
| The Stahl Companies INC | Walter Christopher Stahl | — | (916) 635 8855 | GC, remodel, ADU | Roseville · Placer County | — | — |
| The Tree Of Life Service INC | Jorge Luis Jurado Rivera | — | (661) 371 6724 | Other | Rocklin · Placer County | — | — |
| The Urban Arborist LLC | David Evans Rowan | — | (916) 244 3528 | Tree | Lincoln · Placer County | — | — |
| The Variegate Group | Thomas Raymond Reese | — | (916) 390 9066 | GC, remodel, ADU | Loomis · Placer County | — | — |
| The Willow Glen Landscape Company | Eric Joseph Battiato | — | (408) 693 4773 | Windows, patio, painters | Colfax · Placer County | — | — |
| The Worksmithe | The Worksmithe | — | (916) 502 2084 | GC, remodel, ADU | Auburn · Placer County | — | — |
| The Yard Company | Raspa Caue | — | (916) 839 6414 | Windows, patio, painters | Roseville · Placer County | — | — |
| The Yard Guy INC | Tim Kenneth Perron | — | (530) 887 9273 | Windows, patio, painters | Auburn · Placer County | — | — |
| The Yellow Chair Design & Build Firm INC | Michael Rodney Mckean | — | (916) 938 0403 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Theater Xtreme | Yevgeniy Fastovich | — | (916) 583 8890 | Other | Roseville · Placer County | — | — |
| Theodore James Francis | Theodore James Francis | — | (916) 749 9616 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Thepyroguy LLC | Andrew Rian Rogers | info@thepyroguy.com | (888) 797 6489 | Other | Roseville · Placer County | — | — |
| Thermal Systems Mechanical Insulation INC | Frank Edwin Hubka | — | (530) 633 9585 | Other | Sheridan · Placer County | — | — |
| Thermo Pro INC | Michael Latora | — | (916) 836 5665 | HVAC | Granite Bay · Placer County | — | — |
| Thibodeau Floors | Thibodeau Floors | — | (530) 878 6666 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Thinger Painting | Thinger Painting | — | (916) 667 6686 | Windows, patio, painters | Lincoln · Placer County | — | — |
| Thomas Air Systems INC | Donald Vaughn Thomas | — | (800) 523 5837 | Other | Colfax · Placer County | — | — |
| Thomas Dolan Construction | Thomas John Dolan | — | (916) 899 0981 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Thomas Engel Jr | Thomas Engel Jr | — | (916) 786 2088 | Other | Roseville · Placer County | — | — |
| Thomas F Goodman Construction | Thomas Frank Goodman | — | (916) 992 4711 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Thomas R Allison Construction | Thomas Russell Allison | — | (916) 832 9449 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Thomas Roofing | Deborah C Bonfield | — | (916) 500 9027 | Other roofers | Rocklin · Placer County | — | — |
| Thomas Tile Co INC | Lisa Lee Dixon | — | (916) 663 2408 | Other | Newcastle · Placer County | — | — |
| Thomas Venturini Const Co | Thomas Dominic Venturini | — | (916) 801 5991 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Thomastown Builders INC | Thomas Gerard Smith | — | (916) 633 6501 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Thompson Construction | Thomas Clancy Thompson | tthompson1024@gmail.com | (916) 461 1010 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Thrasher Construction | Steven Scott Thrasher | — | (530) 269 7709 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Three Amigo's Plumbing INC | Roosbin Eliu Pancan Herrera | — | (916) 320 1048 | Other | Auburn · Placer County | — | — |
| Three Cross Construction | Three Cross Construction | — | (951) 365-9612 | GC, remodel, ADU | Temecula · Placer County | — | — |
| Thunder Services | Frank Michael O'connell | — | (530) 520 9741 | Other | Rocklin · Placer County | — | — |