| Russell Plumbing And Rooter Service | Russell Craig Levine | — | (916) 786 4847 | Other | Roseville · Placer County | — | — |
| Rusted Timber Construction Co | Stephen Russell Brown | — | (530) 448 1462 | GC, remodel, ADU | Weimar · Placer County | — | — |
| Rw & Associates INC | Ronald Wesley Hampshire | — | (530) 745 4293 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Rw Electric | Ruben Michael Wold | — | (916) 305 0364 | Electricians | Newcastle · Placer County | — | — |
| Rx Lodge | Jeffrey Stuart Pike | — | (925) 588 3723 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Ryan Atwood Grading & Paving | Ryan Atwood Grading & Paving | — | (530) 362 0989 | Other | Auburn · Placer County | — | — |
| Ryan Bradford | Ryan Bradford | — | (916) 230 5325 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Ryan Campbell Construction | Ryan William Campbell | — | (916) 367 9139 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Ryan D Bechthold | Ryan D Bechthold | — | (916) 774 6563 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Ryan Heuseveldt Painting | Ryan Heuseveldt Painting | — | (530) 214 6134 | Windows, patio, painters | Weimar · Placer County | — | — |
| Ryan Horner | Ryan Horner | — | (916) 380 8455 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Ryan Lynch Construction INC | Lawrence Mark Lynch | — | (530) 368 7347 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Ryan Mason Remediation | Ryan Mason Remediation | — | (916) 778 7102 | Other | Lincoln · Placer County | — | — |
| Ryan Smith | Ryan Smith | — | (916) 779 8010 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Ryanz Construction | Ryan James Zieman | — | (530) 388 0096 | GC, remodel, ADU | Colfax · Placer County | — | — |
| Rybeck Electric | John Edward Rybeck | — | (916) 521 2029 | Electricians | Roseville · Placer County | — | — |
| Ryno Construction Services | Ryan Kirby Smutz | — | (530) 448 3188 | GC, remodel, ADU | Kings Beach · Placer County | — | — |
| S & J Excavation & Engineering | David Wayne Jara | — | (916) 301 1896 | Other | Roseville · Placer County | — | — |
| S & W Builders INC | Daniel Louis Schauermann | — | (503) 298 9782 | GC, remodel, ADU | Roseville · Placer County | — | — |
| S B C Contractors INC | Steve Eric Brandenburg | — | (916) 580 7077 | GC, remodel, ADU | Roseville · Placer County | — | — |
| S B Excavation And Construction INC | Boryslav Viktorovych Vyndyuk | — | (916) 544 9904 | GC, remodel, ADU | Loomis · Placer County | — | — |
| S C C | S C C | — | (916) 218 8800 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| S C Construction | Steven Carl Clerici | — | (916) 955 4522 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| S D Enterprises INC | Stephen Patrick Drew | — | (530) 885 0891 | Electricians | Applegate · Placer County | — | — |
| S D H Construction | Steve Duane Hiett | — | (916) 390 5984 | GC, remodel, ADU | Roseville · Placer County | — | — |
| S D Ochs Construction INC | Steven Douglas Ochs | — | (916) 660 9480 | GC, remodel, ADU | Loomis · Placer County | — | — |
| S G Downum Builders | S G Downum Builders | — | (916) 995 0765 | GC, remodel, ADU | Colfax · Placer County | — | — |
| S J Varner Co | Samuel Joseph Varner | — | (916) 765 7751 | Other | Roseville · Placer County | — | — |
| S K Excavating | S K Excavating | — | (916) 871 5767 | Other | Loomis · Placer County | — | — |
| S L G Construction | Garbuzov Vyacheslav | — | (916) 500 2277 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| S M H Custom Builders | S M H Custom Builders | — | (530) 320 2918 | GC, remodel, ADU | Foresthill · Placer County | — | — |
| S P M | S P M | — | (916) 276 5395 | GC, remodel, ADU | Roseville · Placer County | — | — |
| S R Lares | S R Lares | — | (661) 809 9946 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| S Rackham Construction | Alan Scott Rackham | — | (916) 798 0301 | Other | Auburn · Placer County | — | — |
| S Rackham Construction INC | Alan Scott Rackham | — | (916) 798 0301 | Other | Auburn · Placer County | — | — |
| S S Electric | Steven De Waine Smith | bgehr@sselectric.com | (916) 768 3119 | Electricians | Loomis · Placer County | — | — |
| S T H Construction | Steve Tazio Huttleston | — | (831) 406 0137 | GC, remodel, ADU | Loomis · Placer County | — | — |
| S W Construction | Scott Anthony Weber | — | (916) 749 8779 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| S W S Engineering And Construction INC | Jacob Robert Duncan | — | (916) 315 0500 | Electricians | Penryn · Placer County | — | — |
| S&d Concrete | Steven Kenneth Smith | info@sdconcrete.com | (408) 561 2342 | Other | Roseville · Placer County | — | — |