| T N T Painting | T N T Painting | info@tntpainting.com | (707) 333 3765 | Windows, patio, painters | Vallejo · Solano County | — | — |
| T R Digital INC | Ricardo Rico Rodriguez | — | (707) 377 8190 | Electricians | Fairfield · Solano County | — | — |
| T R Roofing | Juan Antonio Rios Perez | — | (707) 655 8691 | Other roofers | Vallejo · Solano County | — | — |
| Tack Eg | Victor F Vitale | — | (707) 748 1727 | Other | Benicia · Solano County | — | — |
| Taj Construction INC | Al Amamreh Jamil | — | (415) 465 2228 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Talbot General Engineering INC | Sean Scott Talbot | talbotgeneralengineering@gmail.com | (707) 225 4261 | Other | Vacaville · Solano County | — | — |
| Tank Flooring | Tank Flooring | — | (707) 384 1568 | Other | Vacaville · Solano County | — | — |
| Tate Electric | Paul Anthony Tate | — | (510) 760 7919 | Electricians | Vacaville · Solano County | — | — |
| Taurus Electrical Services | Steven James Pritchard | — | (707) 430 0222 | Electricians | Vacaville · Solano County | — | — |
| Tavi's Concrete Construction | Ponce Villegas Octavio | — | (707) 419 1562 | Other | Fairfield · Solano County | — | — |
| Tavo's Remodeling LLC | Lopez-tapia Gustavo | — | (707) 333 3515 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Taylor Construction | Jonathan Scott Taylor | — | (707) 580 7773 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Taylor Structures INC | Brandon Scott Taylor | — | (707) 449 6870 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Tecpro Construction INC | Octavio Maravilla | — | (707) 688 0707 | GC, remodel, ADU | Dixon · Solano County | — | — |
| Tekton Construction LLC | David William Hill | estimating@tektonconstruction.com | (530) 383 9731 | GC, remodel, ADU | Dixon · Solano County | — | — |
| Telemark Construction Co | Dudley Damon Jr Beggs | — | (707) 980 1454 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Tenret Tile Co | Gerald Phillip Anth Tenret | — | (510) 410 1749 | Other | Benicia · Solano County | — | — |
| Tercovich Construction INC | Ryan Lee Tercovich | — | (707) 225 0366 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Tero Build | Tero Build | — | (415) 999 3865 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Terra-ex LLC | David Israel Alatorre | — | (707) 580 3331 | Other | Dixon · Solano County | — | — |
| Terrabuild ContractorsProtected | Terrabuild Contractors | — | (858) 567-1861 | Tile roofers | Solana Beach · Solano County | — | — |
| Terracotta Construction INC | Rivas Julio | — | (408) 431 6889 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Terratactix INC | Stephen Ward Schwartz | steveschwartz@terratactix.com | (510) 812 6469 | Other | Benicia · Solano County | — | — |
| Terrazzo Tile | Terrazzo Tile | — | (415) 532 6216 | Other | Vallejo · Solano County | — | — |
| Terry Family Fencing | Terry Family Fencing | — | (707) 384 7489 | Other | Vallejo · Solano County | — | — |
| Tg Harris Painting LLC | Thomas Giovanni Harris | — | (707) 386 9218 | Windows, patio, painters | Vacaville · Solano County | — | — |
| The Aqua Solutions LLC | Lopez Adrian | — | (707) 580 8321 | Other | Vacaville · Solano County | — | — |
| The Bath Biz | The Bath Biz | — | (925) 389 7976 | GC, remodel, ADU | Benicia · Solano County | — | — |
| The Blind Butler INC | Chad Richard Tobin | — | (707) 448 9800 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| The Carpet Installation Experts | The Carpet Installation Experts | — | (415) 517 1062 | Other | Fairfield · Solano County | — | — |
| The Classic Builder | The Classic Builder | — | (707) 410 9218 | GC, remodel, ADU | Benicia · Solano County | — | — |
| The European Project | The European Project | — | (925) 354 3514 | GC, remodel, ADU | Rio Vista · Solano County | — | — |
| The Fixall Co INC | Peter Soon Jun | help@fixall.com | (510) 910 7545 | HVAC | Vacaville · Solano County | — | — |
| The Granite Store Remodeling INC | Paul Hai Yu | — | (415) 533 7219 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| The Home Living Company | Isaac Shem | — | (925) 351 4509 | Other | Benicia · Solano County | — | — |
| The Leak Authority | John Cooper Stephenson | — | (415) 328 9733 | Other | Vallejo · Solano County | — | — |
| The Perry Company | Jason Scott Perry | — | (707) 330 6931 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| The Plumbinator | The Plumbinator | — | (707) 888 2541 | Other | Vacaville · Solano County | — | — |
| The Pool Butlers | Paulo Marco Morgado | interested@domainmarket.com | (510) 427 1040 | Pool | Fairfield · Solano County | — | — |
| The Pool Pros | The Pool Pros | — | (866) 595-7665 | Pool | Solana Beach · Solano County | — | — |