| Tanko Dennis | Tanko Dennis | — | (209) 532 7797 | Other | Sonora · Tuolumne County | — | — |
| Tanner Neal Construction | Tanner Thompson Neal | — | (209) 352 3388 | Other | Jamestown · Tuolumne County | — | — |
| Taylor Made Construction | Marvin Anthony Taylor | — | (209) 965 0569 | GC, remodel, ADU | Pinecrest · Tuolumne County | — | — |
| Taylor Masonry INC | Bret Jason Taylor | — | (209) 770 3207 | Other | Sonora · Tuolumne County | — | — |
| Temple Home Inspections | Temple Home Inspections | — | (209) 352-9088 | Inspectors | Jamestown · Tuolumne County | — | — |
| The Brand Cabinetry And Millwork | The Brand Cabinetry And Millwork | — | (650) 773 0938 | Other | Twain Harte · Tuolumne County | — | — |
| The Home Inspector | The Home Inspector | — | (209) 497-1884 | Inspectors | Salida · Tuolumne County | — | — |
| The Livengood Company | Philip Richard Green | firstname@livengood.com | (209) 768 6457 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Tidewater Plumbing INC | Robert Orla Pratt | — | (209) 602 7230 | Other | Twain Harte · Tuolumne County | — | — |
| Tillman Electric | Matthew Travis Tillman | — | (209) 588 6007 | Electricians | Sonora · Tuolumne County | — | — |
| Tim's Custom Painting | Tim's Custom Painting | — | (209) 984-4551 | Windows, patio, painters | Jamestown · Tuolumne County | — | — |
| Timberline Forest Management LLC | Justin Fredrick Scott | — | (209) 352 9340 | Tree | Jamestown · Tuolumne County | — | — |
| Timbertech Tree Co | Shawn Thomas Finigan | — | (209) 768 7466 | Tree | Standard · Tuolumne County | — | — |
| Tmc Construction And Tree Service | Tmc Construction And Tree Service | — | (209) 962-6938 | Tree | Groveland · Tuolumne County | — | — |
| Tom's Custom Painting And Home Improvements | Thomas Richard Barker | — | (209) 785 8667 | Windows, patio, painters | Sonora · Tuolumne County | — | — |
| Tom's Tractor & Tree | Tom's Tractor & Tree | — | (209) 352-3161 | Tree | Tuolumne · Tuolumne County | — | — |
| Tomasz Radzikowski | Tomasz Radzikowski | — | (925) 565 0216 | Other | Mi Wuk Village · Tuolumne County | — | — |
| Tommys Window Fashions INC | Tom Hudson | — | (209) 533 8648 | Other | Standard · Tuolumne County | — | — |
| Trademark Services | Daymon Douglas Ellington | — | (209) 232 0867 | GC, remodel, ADU | Soulsbyville · Tuolumne County | — | — |
| Trew Construction INC | Jared Matthew Trew | — | (209) 761 2108 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Tri County Construction | Christopher Brian Everett | — | (209) 559 8066 | GC, remodel, ADU | Columbia · Tuolumne County | — | — |
| Truckee Tahoe Pro's Roofing INC | Mario Alberto Paz | — | (530) 550 7767 | Other roofers | Sonora · Tuolumne County | — | — |
| Tuolumne Apartments | Tuolumne Apartments | — | (209) 928-3168 | Property managers | Tuolumne · Tuolumne County | — | — |
| Tuolumne City Senior Apartments | Tuolumne City Senior Apartments | — | (209) 928-1567 | Property managers | Tuolumne · Tuolumne County | — | — |
| Tuolumne County Animal Control | Tuolumne County Animal Control | — | (209) 694-2730 | Pest, tile roofs | Jamestown · Tuolumne County | — | — |
| Tuolumne County Arts | Tuolumne County Arts | — | (209) 694-3198 | Windows, patio, painters | Sonora · Tuolumne County | — | — |
| Tuolumne County Assessor | Tuolumne County Assessor | — | (209) 533-5535 | Property managers | Sonora · Tuolumne County | — | — |
| Tuolumne Pool | Tuolumne Pool | — | (209) 928-3932 | Pool | Tuolumne · Tuolumne County | — | — |
| Twain Harte Property Management | Twain Harte Property Management | — | (209) 586-9489 | Property managers | Twain Harte · Tuolumne County | — | — |
| Twain Harte Tree Service INC | Zachary Wells Nye | info@twainhartetreeservice.com | (209) 586 2254 | Tree | Twain Harte · Tuolumne County | — | — |
| Two Ton Electric | Steven Lynn Markley | — | (209) 770 4473 | Electricians | Jamestown · Tuolumne County | — | — |
| Tyler Construction INC | John William Tyler | — | (209) 768 7354 | GC, remodel, ADU | Tuolumne · Tuolumne County | — | — |
| U S Voice & Data | U S Voice & Data | — | (925) 765 0995 | Electricians | Groveland · Tuolumne County | — | — |
| Upper Deck Painting & Decorating | Upper Deck Painting & Decorating | — | (209) 559 2576 | Windows, patio, painters | Sonora · Tuolumne County | — | — |
| Val Davidson General Contractor | Val Davidson General Contractor | — | (209) 586 7369 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Vann Excavating INC | Mark Raymond Jr Vann | — | (209) 743 2788 | Other | Sonora · Tuolumne County | — | — |
| Vann's Mechanical | Vann's Mechanical | — | (209) 352 2286 | HVAC | Sonora · Tuolumne County | — | — |
| Vaughn Construction | Michael Herbert Vaughn | — | (530) 441 7359 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Vazquez R Tree INC | Rosas Gonzalo Vazquez | — | (209) 639 0027 | Other | Jamestown · Tuolumne County | — | — |
| Verceles Construction LLC | Ulysses De La Cruz Verceles | info@vercelesconstruction.com | (209) 743 9780 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |