| Stewart's & Selzer Plumbing | Jennifer Annabella Hodgins | — | (805) 682 3568 | Other | Summerland · Santa Barbara County | — | — |
| Stinn Woodworks | Stinn Woodworks | — | (805) 714 1323 | Other | Santa Maria · Santa Barbara County | — | — |
| Stoker Construction & Development INC | Patrick Mcgillycuddy Stoker | — | (310) 210 7686 | GC, remodel, ADU | Goleta · Santa Barbara County | — | — |
| Stone & Earth Landscapes | Stone & Earth Landscapes | — | (805) 968 2664 | Windows, patio, painters | Goleta · Santa Barbara County | — | — |
| Stone & Masonry INC | Ramon Bizarro Lazcano | enquiries@stone-masonry.co.uk | (805) 692 6810 | Other | Santa Barbara · Santa Barbara County | — | — |
| Stone Concepts INC | Nathan Paul Stone | — | (805) 331 4121 | Other | Santa Ynez · Santa Barbara County | — | — |
| Stowell Enterprises INC | Warren Edwin Stowell | — | (805) 937 3654 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Straede Low Voltage Systems | David Wayne Straede | — | (805) 682 0300 | Other | Santa Barbara · Santa Barbara County | — | — |
| Straight Edge Painting & Design | Straight Edge Painting & Design | — | (805) 757 7702 | Windows, patio, painters | Lompoc · Santa Barbara County | — | — |
| Straight Lines Painting | Straight Lines Painting | — | (805) 455 3690 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Streamline Garden And Irrigation Management | Streamline Garden And Irrigation Management | — | (805) 266 0144 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| Streamline Landscape And Maintenance | Streamline Landscape And Maintenance | — | (805) 757 4181 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Stud Finder Construction | Erik Matthew Bush | — | (805) 895 4449 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Stud Finder Construction INC | Erik Matthew Bush | — | (805) 895 4449 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Sullivan Goss — An American Gallery | Sullivan Goss — An American Gallery | — | (805) 730-1460 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Summit Aire | Summit Aire | — | (805) 722 9472 | HVAC | Santa Maria · Santa Barbara County | — | — |
| Summit Quality Wood Floors | Summit Quality Wood Floors | — | (805) 705 0255 | Other | Lompoc · Santa Barbara County | — | — |
| Summit Roofing Services LLC | Samuel Sanchez-Torres | — | (805) 598 4036 | Other roofers | Santa Maria · Santa Barbara County | — | — |
| Sunrise Piping | Sunrise Piping | — | (805) 895 6661 | Other | Santa Barbara · Santa Barbara County | — | — |
| Sunrise805 | Colin Marshall Howen | info@sunrisesolargroup.com | (805) 895 6096 | Electricians | Santa Barbara · Santa Barbara County | — | — |
| Sunset Management Services | Sunset Management Services | — | (805) 692-1916 | Property managers | Santa Barbara · Santa Barbara County | — | — |
| Sunset Sheetmetal / H V A C INC | Tony Howard Wilks | — | (805) 957 0146 | HVAC | Santa Barbara · Santa Barbara County | — | — |
| Sunshine Painting And Maintenance | Justin Thomas Egerer | — | (805) 706 2550 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Super Bee Repairs | Super Bee Repairs | — | (805) 881 3031 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Superior Concrete | Superior Concrete | — | (805) 223 9151 | Other | Lompoc · Santa Barbara County | — | — |
| Superior Electric Services INC | Hernandez-rosario Rolando | — | (805) 708 7470 | Electricians | Goleta · Santa Barbara County | — | — |
| Supreme (painting) | Supreme (painting) | — | (805) 714 6168 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| Supreme Painting Company | Bautista Julian | — | (805) 332 7262 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| Surface Management INC | Allbrett Loyrs | — | (805) 453 3091 | Other | Santa Barbara · Santa Barbara County | — | — |
| Surface Solutions Custom Painting INC | Sal Lopez | — | (805) 701 4960 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Svea Construction LLC | Bo Peter Marcus Hoerberg | anders@sveaconstruction.com | (805) 259 5823 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Swan Construction | William Edward Swan | — | (805) 708 2328 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Sweat Equity Construction | Maldonadoalfaro David | — | (805) 363 6503 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Sweet Construction | Russell Elic Sweet | — | (805) 260 8519 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Sweet Pro Painting INC | Velasco Angel Silva | — | (805) 363 2653 | Windows, patio, painters | Guadalupe · Santa Barbara County | — | — |
| Swiss Designs Pavers | Remo Schluep | — | (805) 689 9204 | Other | Solvang · Santa Barbara County | — | — |
| Synergy Solutions Construction | Jason Forrest Fennell | — | (805) 621 9048 | GC, remodel, ADU | Lompoc · Santa Barbara County | — | — |
| Szabo Finish Carpentry & Woodworks | Szabo Finish Carpentry & Woodworks | — | (805) 268 9231 | Other | Santa Barbara · Santa Barbara County | — | — |
| T Angeles Roofing | Miguel Jr Angeles | — | (805) 963 2343 | Other roofers | Santa Barbara · Santa Barbara County | — | — |
| T Brown Builder | T Brown Builder | — | (805) 452 8903 | GC, remodel, ADU | Carpinteria · Santa Barbara County | — | — |