| Tuttle Electric | Jack Raymond Tuttle | — | (805) 610 7159 | Electricians | Paso Robles · San Luis Obispo County | — | — |
| Twins Landscape INC | Ashley Nicole Marsh | — | (805) 358 3850 | Windows, patio, painters | Nipomo · San Luis Obispo County | — | — |
| Twisselman And Fernandes INC | Ethan Alton Twisselman | — | (805) 459 1059 | Other | Santa Margarita · San Luis Obispo County | — | — |
| Twissleman Excavating And Grading | Twissleman Excavating And Grading | — | (805) 610 5461 | Other | Shandon · San Luis Obispo County | — | — |
| Tye Hamilton DBA T-bar-h Ranch | Tye Hamilton DBA T-bar-h Ranch | — | (805) 466 1341 | Other | Atascadero · San Luis Obispo County | — | — |
| Tyler Duncan Welding | Tyler Duncan Welding | — | (805) 714 1882 | Other | Atascadero · San Luis Obispo County | — | — |
| U S A Tel Data | Larry Dean Roeme | — | (559) 352 7508 | Other | Atascadero · San Luis Obispo County | — | — |
| Ultimate Paint Works | Ultimate Paint Works | — | (805) 459 6031 | Windows, patio, painters | Arroyo Grande · San Luis Obispo County | — | — |
| Uncle Mark Construction | Mark Elliot Gantenbein | — | (805) 796 5929 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Under Construction | Eric Lee Owens | — | (805) 769 6855 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Under The Sun Painting Company | Jacob Damon Landers | — | (805) 543 3565 | Windows, patio, painters | San Luis Obispo · San Luis Obispo County | — | — |
| Unity Electric | Sean Michael Dee | seand@unity-electric.com | (805) 704 0929 | Electricians | San Luis Obispo · San Luis Obispo County | — | — |
| Unks Construction | Walter Dewey Unks | — | (805) 459 7826 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Unlock Construction Corp | Walker Blu Sotello | — | (805) 295 9352 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Upcycle Builders INC | Robert Alexander Iii Walker | contact@upcyclebuilders.com | (805) 459 6367 | GC, remodel, ADU | Templeton · San Luis Obispo County | — | — |
| Upgrade Electrical Contractors INC | Kahlil William Hamman | — | (805) 610 7384 | Electricians | Atascadero · San Luis Obispo County | — | — |
| Upper Level | Upper Level | — | (805) 714 5784 | Other | Grover Beach · San Luis Obispo County | — | — |
| Upper Story Design | Upper Story Design | brad@upperstorydesign.com | (805) 458 2300 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Upside Builders | Ryan Joseph Rossi | — | (805) 801 6983 | GC, remodel, ADU | Oceano · San Luis Obispo County | — | — |
| Utopia Property Management | San Luis Obispo Ca | Utopia Property Management | San Luis Obispo Ca | sanluisobispo@utopiamanagement.com | (805) 723-8888 | Property managers | San Luis Obispo · San Luis Obispo County | — | — |
| V S Masonry & Construction | Salvador Venegas Villanueva | — | (805) 478 0585 | GC, remodel, ADU | Nipomo · San Luis Obispo County | — | — |
| Valcrest HVAC Repair San Luis Obispo | Valcrest HVAC Repair San Luis Obispo | — | (805) 360-6459 | HVAC | San Luis Obispo · San Luis Obispo County | — | — |
| Valentine's Backhoe Service | Douglas Harvey Valentine | — | (805) 237 0784 | Other | Templeton · San Luis Obispo County | — | — |
| Van Fleet Communications INC | Cameron Edwin Van Fleet | — | (805) 234 3129 | Other | Cayucos · San Luis Obispo County | — | — |
| Van Go Painting | Van Go Painting | — | (805) 423 0573 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Van Lith Design & Construction | Jeff John Van Lith | — | (805) 528 1366 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Van Patten Hardwood Services | William Graham Van Patten | — | (805) 610 2783 | Other | Templeton · San Luis Obispo County | — | — |
| Van Zee Builders | Van Zee Builders | — | (805) 440 6994 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Vance Construction | Truitt Gregory Vance | — | (805) 610 4732 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Vancura Construction | Andrew Colman Vancura | andrew@vancuraconstruct.com | (805) 550 5404 | GC, remodel, ADU | Grover Beach · San Luis Obispo County | — | — |
| Vanguard Construction | Eric Paul Moore | rex@vanguard-construction.com | (805) 878 2114 | GC, remodel, ADU | Pismo Beach · San Luis Obispo County | — | — |
| Vantrel HVAC Repair San Luis Obispo | Vantrel HVAC Repair San Luis Obispo | — | (805) 360-6463 | HVAC | San Luis Obispo · San Luis Obispo County | — | — |
| Vargas Landscape | Vargas Landscape | — | (805) 714 0910 | Windows, patio, painters | Nipomo · San Luis Obispo County | — | — |
| Varian Construction | Gregory Julian Varian | — | (805) 459 0372 | GC, remodel, ADU | San Miguel · San Luis Obispo County | — | — |
| Vaughn Electric | Daniel Brian Nobbs | — | (805) 270 6460 | Electricians | Pismo Beach · San Luis Obispo County | — | — |
| Veen Construction | Richard Ivan Veen | — | (541) 480 2289 | GC, remodel, ADU | Grover Beach · San Luis Obispo County | — | — |
| Velazquez Framing INC | Luis Sr Velasquez-isidro | — | (805) 423 7127 | Other | Paso Robles · San Luis Obispo County | — | — |
| Vellum INC | Paul James Abbott | — | (805) 784 0487 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Verduzco's Concrete | Garcia Pastor Verduzco | — | (805) 674 6145 | Other | Atascadero · San Luis Obispo County | — | — |
| Vermillion Construction INC | Ryan Guthrie Vermillion | — | (805) 461 1210 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |