| Straight Cuts Tile & Stone | Straight Cuts Tile & Stone | — | (916) 412 0913 | Other | Roseville · Placer County | — | — |
| Stramback Construction | Jeffrey Stephen Stramback | — | (916) 755 2041 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Strand Construction | Ted Irving Strand | — | (916) 676 3518 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Streng Construction INC | Gayle M Finning | — | (916) 390 0729 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Strenk Electric | Curt Michael Strenk | — | (530) 412 1447 | Electricians | Tahoma · Placer County | — | — |
| Striplin Walker Construction INC | Randal Harvey Striplin | — | (916) 941 4988 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Strolz Electric | Alfred Rudolf Strolz | — | (530) 386 2524 | Electricians | Olympic Valley · Placer County | — | — |
| Strongs Retractable Screens | Strongs Retractable Screens | — | (530) 613 6951 | Other | Lincoln · Placer County | — | — |
| Stuart James Construction INC | Brent Stuart Wiegand | — | (916) 608 4800 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Stubblefield Construction | Robert Glenn Stubblefield | — | (925) 788 6279 | GC, remodel, ADU | Foresthill · Placer County | — | — |
| Studebaker Electric INC | David Wade Studebaker | — | (916) 259 2395 | Electricians | Loomis · Placer County | — | — |
| Styc Construction INC | David Paul Styc | — | (530) 756 0506 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Style Electric | Style Kyle | interested@domainmarket.com | (916) 719 5953 | Electricians | Roseville · Placer County | — | — |
| Style Revamp Finish Carpentry | Malcolm Charles Nicolson | — | (916) 741 7916 | Other | Rocklin · Placer County | — | — |
| Subterra INC | Edward Keeber Svendsen | — | (530) 583 3164 | Other | Tahoe City · Placer County | — | — |
| Suchomel INC | Guy Charles Suchomel | — | (916) 580 9897 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Sugar Pine Electric INC | Jonathan William La Brecque | — | (916) 865 4623 | Electricians | Meadow Vista · Placer County | — | — |
| Suited Construction | James Robert Mitchell | james@suitedconstruction.com | (916) 390 1050 | HVAC | Auburn · Placer County | — | — |
| Sullivan Construction | Troy Randall Sullivan | — | (925) 348 4760 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Suma Construction | Ruzhdi Rudy Sumovic | — | (916) 434 1314 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Summit Construction | Ronald Steven Jr Collosi | — | (805) 895 2798 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Summit Peak Construction Co | Diego Hernan Lopez Guzman | — | (530) 401 4016 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Summit Pipelines | Aaron Michael Clark | — | (800) 757 1237 | Other | Auburn · Placer County | — | — |
| Summit Plumbing And Rooter | Summit Plumbing And Rooter | — | (530) 346 4122 | Other | Colfax · Placer County | — | — |
| Summit Roofing | Patricia Ann Strautman | — | (916) 969 4664 | Other roofers | Roseville · Placer County | — | — |
| Sun Fare Pools INC | Douglas Francis Thumser | — | (916) 344 1084 | Pool | Newcastle · Placer County | — | — |
| Sundance Pools And Spas | Jody James Lindvall | — | (916) 882 1303 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Sunnyvale Electric INC | Cory Ryan Fernandez | sunnyvaleelectric@yahoo.com | (916) 847 4014 | Electricians | Roseville · Placer County | — | — |
| Sunriver Solar INC | Richard Frederic Kooi | info@sunriversolar.com | (530) 820-3719 | Other roofers | Auburn · Placer County | — | — |
| Sunsational Pool Services | Alexander Walter Tobiasz | — | (530) 613 7946 | Pool | Rocklin · Placer County | — | — |
| Sunset Landscape | Sunset Landscape | lemonad@jovanny.ru | (916) 712 4465 | Windows, patio, painters | Loomis · Placer County | — | — |
| Super Seal Staining And Painting INC | Query Kelly | — | (530) 386 2423 | Windows, patio, painters | Tahoe City · Placer County | — | — |
| Superior Building Solutions | Superior Building Solutions | — | (916) 215 7199 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Superior Cabinet Installation INC | Schmid Dieter | — | (916) 202 7736 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Superior Custom Construction | Kevin Michael Hengl | — | (916) 749 2250 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Superior Home Solutions | Superior Home Solutions | — | (408) 644 4379 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Superior Plumbing | Superior Plumbing | — | (916) 798 2657 | Other | Rocklin · Placer County | — | — |
| Superior Raingutter Systems | Superior Raingutter Systems | — | (916) 869 8717 | Other | Newcastle · Placer County | — | — |
| Superior Self Storage INC DBA Superior Storage Group | David Allan Kindelt | — | (916) 789 0500 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Superiorhomeservices INC | Christie Michelle Robinson | — | (916) 899 5462 | GC, remodel, ADU | Roseville · Placer County | — | — |