| Robert Lopez | Robert Lopez | — | (530) 519 7499 | GC, remodel, ADU | Corning · Tehama County | — | — |
| Robin Shelburn | Robin Shelburn | — | (530) 529 3152 | Other roofers | Red Bluff · Tehama County | — | — |
| Roland Anger Tile | Roland Anger Tile | — | (530) 200 1721 | Other | Red Bluff · Tehama County | — | — |
| Ronald Humphrey | Ronald Lee Humphrey | — | (530) 833 5430 | Other | Flournoy · Tehama County | — | — |
| Ronald Humphrey | Ronald Humphrey | — | (530) 833 5430 | Other | Flournoy · Tehama County | — | — |
| Ross Floor Covering | Ross Floor Covering | — | (530) 526 0015 | Other | Red Bluff · Tehama County | — | — |
| Rtl Construction | Randy Thomas Lyon | rtlconstruction31709@gmail.com | (530) 526 9403 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Runnings Construction | Seth Harding Runnings | — | (530) 209 5367 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| S & R Construction | Jared Timothy Roe | — | (530) 816 2088 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| S T L Tile | S T L Tile | — | (707) 477 3080 | Other | Proberta · Tehama County | — | — |
| Salco Solutions INC | Salvador Felix Calderon | — | (530) 210 2374 | HVAC | Red Bluff · Tehama County | — | — |
| Sandhagen General Engineering | Sandhagen General Engineering | — | (530) 949 8037 | Other | Proberta · Tehama County | — | — |
| Sandow Construction | Anthony Edwin Sandow | — | (530) 200 1403 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Santa Crews Construction | Allan Brice Hubbard | — | (831) 334 0312 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Schwabauer Construction | Jason Andrew Schwabauer | — | (530) 781 3800 | GC, remodel, ADU | Gerber · Tehama County | — | — |
| Sequoia Sheds LLC | Theodore John Yoder | — | (530) 840 4465 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Servpro Of North Shasta Trinity & Greater Tehama Counties | Servpro Of North Shasta Trinity & Greater Tehama Counties | — | (530) 222-0200 | Restoration | Redding · Tehama County | — | — |
| Sharp Floors | Sharp Floors | — | (530) 736 9935 | Other | Corning · Tehama County | — | — |
| Shawn Furtado DBA Furtado Ag Construction | Shawn Anthony Furtado | — | (530) 824 2806 | Other | Corning · Tehama County | — | — |
| Sierra Construction | Jose Uriel Oseguera Galvan | — | (530) 838 0098 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Sierra Pacific Industries INC | Alan Ray Hogan | — | (530) 527 9620 | Windows, patio, painters | Red Bluff · Tehama County | — | — |
| Sierra Pacific Windows | Sierra Pacific Windows | — | (800) 824-7744 | Windows, patio, painters | Red Bluff · Tehama County | — | — |
| Silva Landscaping | Silva Landscaping | — | (530) 527 3119 | Windows, patio, painters | Red Bluff · Tehama County | — | — |
| Solana Beach AC & Heating | Solana Beach AC & Heating | stephen@solanabeachacheating.site | (858) 223-7146 | HVAC | Solana Beach · Tehama County | — | — |
| Steven L Madison Construction Company | Steven Leslie Madison | — | (530) 384 0129 | GC, remodel, ADU | Los Molinos · Tehama County | — | — |
| Story & Son Construction | Sean Ryan Story | — | (530) 736 2305 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Stout Concrete Construction | Alan Robert Stout | — | (530) 524 6924 | Other | Red Bluff · Tehama County | — | — |
| Straightline Construction | Kenneth Frank Dingler | — | (916) 524 5688 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Stultz Electric INC | Dennis Leroy Jr Stultz | — | (530) 774 0453 | Electricians | Los Molinos · Tehama County | — | — |
| Sugar Pine Enterprises INC | Michael David Stenberg | — | (530) 527 8992 | Other | Red Bluff · Tehama County | — | — |
| Superior Roofer Red Bluff | Superior Roofer Red Bluff | — | (530) 394-9843 | Other roofers | Red Bluff · Tehama County | — | — |
| Superior Traffic Services | Eric La Roy Mason | — | (530) 949 7698 | Other | Red Bluff · Tehama County | — | — |
| T D Q Equipment INC DBA T D Q Construction Services | Darla Jean Dykier | — | (714) 357 1608 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Ted Mcdonald Contractor | Ted Mcdonald Contractor | — | (530) 529 2135 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Tehama Asphalt Processing INC | Tehama Asphalt Processing INC | — | (530) 527-0517 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Tehama Building Company | Brian Kent Stubbs | — | (530) 200 6691 | GC, remodel, ADU | Red Bluff · Tehama County | — | — |
| Tehama County Lock And Security | Tehama County Lock And Security | — | (530) 527 1507 | Alarm and generators | Red Bluff · Tehama County | — | — |
| Tehama County Mosquito Control | Tehama County Mosquito Control | — | (530) 527-1676 | Pest, tile roofs | Red Bluff · Tehama County | — | — |
| Tehama Fencing Company INC | Amanda Lynn Bradshaw | — | (530) 727 7068 | Other | Red Bluff · Tehama County | — | — |
| Tehama Property Management | Tehama Property Management | rentals@rentredbluff.com | (530) 527-2256 | Property managers | Tehama · Tehama County | — | — |