| Trinity Heating And Air | Andrew Bryce Mitchell | trinityheatingandairca@gmail.com | (916) 230 0016 | HVAC | Roseville · Placer County | — | — |
| Triple 5 Irrigation And Landscaping LLC | Neil Wayne Corp | — | (916) 755 2461 | Windows, patio, painters | Roseville · Placer County | — | — |
| Triscapes Commercial Landscaping LLC | John Muhammad Javidan | — | (916) 787 0101 | Windows, patio, painters | Roseville · Placer County | — | — |
| Triton Construction Services INC | Heidi Lee La Budde | — | (530) 637 8125 | Other | Weimar · Placer County | — | — |
| Trone's Custom Construction | Drew Franklin Trone | — | (530) 906 1959 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Troy Searcy Construction | Troy Ray Searcy | — | (530) 305 3500 | Electricians | Colfax · Placer County | — | — |
| Truckee Tahoe Electric INC | Aaron Michael Noble | — | (530) 551 7175 | Electricians | Tahoe Vista · Placer County | — | — |
| Truclear Pools LLC | Nicholas Anthony Harmon | — | (916) 260 8652 | Pool | Roseville · Placer County | — | — |
| True Blue Construction | Anthony Vernon Mcmillen | — | (916) 220 9269 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| True Blue Plumbing Co | Michael Anthony Goulas | — | (916) 621 3199 | GC, remodel, ADU | Loomis · Placer County | — | — |
| True Construction | David Paul Pieper | — | (530) 401 6492 | GC, remodel, ADU | Auburn · Placer County | — | — |
| True Level Build INC | Sofiya Kyrylyuk | — | (916) 767 5029 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| True North Electric | Hans Peter Andrew Porup | — | (530) 205 5002 | Electricians | Tahoe City · Placer County | — | — |
| Truebeam Builders LLC | Breanden Thomas Kimbriel | — | (916) 627 0561 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Tubol Enterprises INC | Oleg Grigore Cojocaru | — | (916) 599 9444 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Tucker & Sons LLC | Landon Evan Tucker | — | (530) 906 0083 | Other | Applegate · Placer County | — | — |
| Tuft Cabinet Company INC | Richard Wayne Tuft | — | (530) 823 2013 | Other | Auburn · Placer County | — | — |
| Tull Comm | Tull Comm | — | (310) 406 7058 | Other | Tahoe City · Placer County | — | — |
| Turner Electrical & Lighting Incorporated | Jared Ryan Turner | — | (530) 889 1771 | Electricians | Auburn · Placer County | — | — |
| Turtle Tile | Turtle Tile | — | (916) 257 2855 | Other | Roseville · Placer County | — | — |
| Tuttle Electric | Neal Brandon Tuttle | — | (951) 333 6918 | Electricians | Tahoe City · Placer County | — | — |
| Tvoy Construction | Voychik Anatoliy | — | (916) 519 1630 | GC, remodel, ADU | Foresthill · Placer County | — | — |
| Tw Power Line Construction | Dean Matthew Stevenson | — | (916) 768 1524 | Electricians | Granite Bay · Placer County | — | — |
| Twb Renovations INC | Travis Lee Kleppe | contact@robertsheatingandair.net | (916) 305 5777 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Twin Cities Tree Service Placer | Derrick Jason Voelke Mc Dade | treeguys@hotmail.com | (530) 886 8875 | Tree | Colfax · Placer County | — | — |
| Twin Dolphin Construction INC | William Louis Ferry | — | (530) 277 1830 | GC, remodel, ADU | Homewood · Placer County | — | — |
| Twin Termite And Pest Control INC | Kyle Rex Finley | — | (916) 344 8946 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Two Rivers Industries | Jason Elliot Smith | — | (916) 871 5345 | Other | Auburn · Placer County | — | — |
| Ty The Drywall Guy | Ty The Drywall Guy | — | (916) 969 5975 | Other | Meadow Vista · Placer County | — | — |
| Tyfoon Heating & Air | Tyler Austin Laffoon | — | (916) 365 6657 | HVAC | Auburn · Placer County | — | — |
| Tyke Borwick Homo Habilis | Tyke Borwick Homo Habilis | — | (530) 412 1818 | GC, remodel, ADU | Carnelian Bay · Placer County | — | — |
| U S A Construction Management INC | Antonio Piscitello | — | (916) 773 6060 | GC, remodel, ADU | Roseville · Placer County | — | — |
| U S A Modular INC | Robert Wesley Jones | — | (574) 825 0484 | GC, remodel, ADU | Roseville · Placer County | — | — |
| U S Plumbing Marshall INC | Marshall Allan Jr Mickelson | service@usplumbingmarshall.com | (916) 787 8776 | Other | Roseville · Placer County | — | — |
| U-build-it | Robert Edward Maudsley | — | (916) 789 1376 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Ugalde Home Services | David Anthony Ugalde | — | (916) 770 6002 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Ultra Link Cabling Systems INC | Daniel Lee Jr Martinez | — | (530) 887 2370 | Other | Auburn · Placer County | — | — |
| Umbrella Construction & Restoration Group | Anatoliy D Vlaskin | — | (916) 500 7788 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Under Lock And Key INC | Gregory Louis Dayog | — | (916) 772 7593 | Other | Roseville · Placer County | — | — |
| Unique Builders LLC | Mohammad Qasim Barikzai | — | (202) 600 6466 | GC, remodel, ADU | Roseville · Placer County | — | — |