| Thury's Cabinets | Thury's Cabinets | — | (805) 610 3829 | Other | Paso Robles · San Luis Obispo County | — | — |
| Tidewater Construction | Scott Michael Foster | — | (805) 822 2601 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Tierney Construction | Thomas James Tierney | — | (805) 235 6392 | Electricians | Cambria · San Luis Obispo County | — | — |
| Tierra Construction | Raul Escobedo Felix | — | (661) 243 6849 | Other | Grover Beach · San Luis Obispo County | — | — |
| Tiga Home Services LLC | David Michael Jones | — | (805) 252 0897 | Windows, patio, painters | San Luis Obispo · San Luis Obispo County | — | — |
| Tile And Marble Specialist | Tile And Marble Specialist | — | (805) 478 4286 | Other | Nipomo · San Luis Obispo County | — | — |
| Tile Creation INC | Paul Aaron Riddle | — | (805) 674 6203 | Other | Atascadero · San Luis Obispo County | — | — |
| Tilerite | Dustin Michael Bridges | — | (805) 459 3261 | Other | Nipomo · San Luis Obispo County | — | — |
| Tilley Plastering | Tilley Plastering | — | (805) 305 5227 | Other | Pismo Beach · San Luis Obispo County | — | — |
| Tim Dennis Maintenance | Tim Dennis Maintenance | — | (805) 863 1544 | Other | Nipomo · San Luis Obispo County | — | — |
| Tim Gladwill Construction | Timothy Charles Gladwill | — | (805) 729 2883 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Tim J Tottle | Tim J Tottle | — | (510) 333 1608 | Other | Atascadero · San Luis Obispo County | — | — |
| Tim Perry's Plumbing | Timothy George Perry | — | (805) 712 9241 | Other | Atascadero · San Luis Obispo County | — | — |
| Tim Toevs Construction | Timothy Donald Toevs | — | (805) 461 0806 | Other | Atascadero · San Luis Obispo County | — | — |
| Tim Twisselman Enterprises INC | Timothy Louis Twisselman | — | (805) 545 0033 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Tim's Concrete Pump Sales INC | Timothy James Oliver | sales@timsconcretepumpsales.com | (805) 769-7070 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Tim's Concrete Pumping INC | Carol Ann Jordan | — | (805) 541 3719 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Timber Worx LLC | Daniel Ryan Ponti | — | (805) 610 1234 | Other | Paso Robles · San Luis Obispo County | — | — |
| Timothy Reid General Contractor | Timothy Reid General Contractor | — | (805) 538 4232 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Titan Steel Construction INC | Harry Murray De Lore | — | (805) 423 5766 | Other | Atascadero · San Luis Obispo County | — | — |
| Toby's Plumbing | Toby's Plumbing | — | (805) 927 7555 | Other | Cambria · San Luis Obispo County | — | — |
| Toby's Sprinklers & Sod | Toby's Sprinklers & Sod | — | (805) 423 0478 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| Tod Jacobson Cabinets | Tod Jacobson Cabinets | — | (805) 471 3482 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Todd K Hurt Flooring | Todd K Hurt Flooring | — | (805) 857 1007 | Other | Paso Robles · San Luis Obispo County | — | — |
| Todd Marshall Cabinetry | Todd Marshall Cabinetry | — | (805) 801 2141 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Todd Sandell Construction | Todd Marcus Sandell | — | (805) 234 3899 | GC, remodel, ADU | Cayucos · San Luis Obispo County | — | — |
| Todd Schuerfeld | Todd Schuerfeld | — | (805) 235 0904 | Other | Los Osos · San Luis Obispo County | — | — |
| Tolbert Painting | Tolbert Painting | joel@tolbertpainting.com | (805) 544 4100 | Windows, patio, painters | San Luis Obispo · San Luis Obispo County | — | — |
| Tom Doll Flooring | Tom Doll Flooring | — | (805) 458 9176 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Tom Flynn And Sons Landscape Contractors INC | Thomas Anthony Flynn | — | (805) 238 2779 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| Tom Green's Backhoe | Tom Green's Backhoe | — | (805) 459 2707 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Tom L Smith Construction | Tom Lester Smith | — | (805) 610 1072 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Tom Mylan Construction | Thomas Michael Mylan | — | (805) 929 6526 | GC, remodel, ADU | Nipomo · San Luis Obispo County | — | — |
| Tom Nisbet Construction | John Thomas Nisbet | — | (805) 801 3839 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Tom Powers | Tom Powers | — | (805) 235 2895 | Windows, patio, painters | Los Osos · San Luis Obispo County | — | — |
| Tom Wilhelmi Painting | Tom Wilhelmi Painting | — | (805) 474 9219 | Windows, patio, painters | Arroyo Grande · San Luis Obispo County | — | — |
| Tomasini Construction INC | William Dante Tomasini | info@tomasiniconstruction.com | (805) 473 0959 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Tony Murphy Painting | Tony Murphy Painting | — | (805) 772 3976 | Windows, patio, painters | Morro Bay · San Luis Obispo County | — | — |
| Tony Pedicini Painting & Decorating | Tony Pedicini Painting & Decorating | — | (818) 802 9791 | Windows, patio, painters | Creston · San Luis Obispo County | — | — |
| Top Notch Tile | Top Notch Tile | — | (805) 835 1602 | Other | Nipomo · San Luis Obispo County | — | — |