| Schafer Electric | Robert Lee Schafer | — | (530) 933 2699 | Electricians | Auburn · Placer County | — | — |
| Schafer Graphic Solutions INC | Jacob Aaron Schafer | — | (916) 402 6204 | Other | Loomis · Placer County | — | — |
| Schiavone Construction | Louie James Schiavone | — | (650) 464 8585 | GC, remodel, ADU | Colfax · Placer County | — | — |
| Schneider Construction | Jon Michael Schneider | — | (916) 705 5512 | GC, remodel, ADU | Auburn · Placer County | — | — |
| School Sport INC | Justin Michael Allmon | justbigshark@gmail.com | (530) 210 9847 | Other | Auburn · Placer County | — | — |
| Schoonmaker Construction | Dirk Abram Schoonmaker | — | (530) 386 3049 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Schopen Construction | Ryan Isaiah Schopen | schopenconstruction@yahoo.com | (530) 412 2225 | GC, remodel, ADU | Carnelian Bay · Placer County | — | — |
| Schulte Construction | Scott Robert Schulte | — | (916) 996 6697 | Electricians | Granite Bay · Placer County | — | — |
| Schulze Construction & Development | Todd Garrett Schulze | — | (530) 362 0931 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Sconce Electric INC | Shelly Marie Sconce | — | (916) 601 3303 | Electricians | Lincoln · Placer County | — | — |
| Scott B Merritt Const | Scott B Merritt Const | — | (530) 305 4992 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Scott Barker Construction | Scott William Barker | — | (530) 448 4848 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Scott Canada Home Improvement | Scott Canada Home Improvement | — | (530) 786 2859 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Scott Colmar Plumbing | Scott Colmar Plumbing | — | (916) 780 7545 | Other | Rocklin · Placer County | — | — |
| Scott Construction | Michael Alan Scott | general@scott-construction.com | (916) 212 2337 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Scott Construction And Design | Christopher Scott | — | (916) 320 2534 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Scott General Construction | Jeffrey David Scott | impallari@gmail.com | (530) 388 8335 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Scott Hanson Interior Solutions INC | Scott Elliot Hanson | — | (916) 716 5535 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Scott Louis Carroll | Scott Louis Carroll | — | (530) 368 7801 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Scott Paris Enterprises INC | Scott Allen Paris | — | (916) 660 0117 | Windows, patio, painters | Loomis · Placer County | — | — |
| Scott Rabeneau Const | Scott Rabeneau Const | — | (530) 913 6990 | GC, remodel, ADU | Penryn · Placer County | — | — |
| Scott Randall Schroepfer DBA Let George Do It | Let George Do It | — | (530) 386 0742 | Electricians | Carnelian Bay · Placer County | — | — |
| Scott Roff Tile Setting | Scott Roff Tile Setting | — | (530) 448 6572 | Other | Tahoe City · Placer County | — | — |
| Scott Schweiger Construction | Scott Lee Schweiger | — | (530) 305 0645 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Scott Seacrist Construction | Scott Leonard Seacrist | — | (916) 956 6177 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Scott Sheedy Construction | Terry Scott Sheedy | — | (916) 223 2788 | GC, remodel, ADU | Foresthill · Placer County | — | — |
| Scott Wall | Scott Wall | — | (530) 368 0454 | HVAC | Lincoln · Placer County | — | — |
| Screens 4 Less | Steven Gary Wolff | — | (916) 773 6500 | Other | Roseville · Placer County | — | — |
| Scythia Tile & Stone INC | Dan Doxan | — | (916) 997 4094 | Other | Roseville · Placer County | — | — |
| Sddk Artisans INC | Steven Aaron Rearick | — | (530) 210 1739 | Other | Colfax · Placer County | — | — |
| Sdj Flooring Installation Company | Mazuryk Serhii | — | (916) 330 0455 | Other | Lincoln · Placer County | — | — |
| Sea Heating & Air Conditioning INC | Lester Craig Sea | — | (916) 783 2256 | HVAC | Rocklin · Placer County | — | — |
| Seamless Gutters Usa | Seamless Gutters Usa | — | (916) 412 2794 | Other | Loomis · Placer County | — | — |
| Sean Freitas Architect INC | Sean Patrick Freitas | — | (916) 209 9890 | Other roofers | Lincoln · Placer County | — | — |
| Sechler Electric | James Elliott Sechler | — | (707) 685 2391 | Electricians | Roseville · Placer County | — | — |
| Sechrist Home Solutions | Sechrist Home Solutions | — | (530) 401 8100 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Secret Town Builder | Secret Town Builder | — | (530) 320 8543 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Secure And Alert Systems Corp | Deana Marie Briggs | — | (916) 675 6330 | Other | Rocklin · Placer County | — | — |
| Security Lock & Alarm INC | Rhonda Rae Moschetti | — | (530) 583 6901 | Electricians | Tahoe City · Placer County | — | — |
| Sel Construction Corporation | Ken Edward Bensen | — | (916) 223 8415 | Electricians | Loomis · Placer County | — | — |