| Runnoe Construction INC | Andrew Paul Runnoe | — | (831) 521 8820 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Rural Septic Technologies | Rural Septic Technologies | — | (831) 776 8109 | Other | Salinas · Monterey County | — | — |
| Russ Galloway Electric INC | Russell Emerson Galloway | — | (831) 809 3612 | Electricians | Monterey · Monterey County | — | — |
| Russo Construction And Development Incorporated | Bobbie Jean Russo | — | (831) 320 0250 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Russo Electric INC | Jack Christopher Russo | hello@rfuenzalida.com | (831) 277 3562 | Electricians | Marina · Monterey County | — | — |
| Rustic Star Plumbing LLC | Jose Juan Medina | support@rusticstarplumbing.com | (831) 808 8206 | Other | King City · Monterey County | — | — |
| Rusty Cummings Electric | Earl Russell Cummings | — | (831) 970 1842 | Electricians | Spreckels · Monterey County | — | — |
| Ryken Building | Ryken Building | rykenbuilding@gmail.com | (831) 717 4146 | GC, remodel, ADU | Marina · Monterey County | — | — |
| S & S Tile Co | James Howard Bracken | — | (831) 596 5387 | Other | Salinas · Monterey County | — | — |
| S And L Development | S And L Development | — | (831) 596 5511 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| S B J Construction | Calvo Garcia Salomon | — | (831) 915 2719 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| S E B Heating & Cooling | Espinal Bonilla Segismundo | — | (831) 276 9534 | HVAC | Salinas · Monterey County | — | — |
| S F L Construction | Scott Francis Levinson | — | (530) 414 3640 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| S J Ferrante Builders INC | Salvatore Joseph Ferrante | — | (831) 655 1636 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| S Mercurio INC DBA Mercurio Construction | Salvatore Santo Mercurio | — | (831) 383 9130 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| S R Construction | Sten James Ricketts | — | (831) 601 7169 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| S R Construction Design | Steven Wesley Rood | — | (831) 901 5607 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| S Stoner Electric INC | Scott Alan Stoner | — | (408) 422 7137 | Electricians | Salinas · Monterey County | — | — |
| S Tarantino Electric | Santo Duggie Tarantino | — | (831) 521 2254 | Electricians | Seaside · Monterey County | — | — |
| S U V Budget Landscape Service | Samuel Uribe Valdez | — | (831) 710 0448 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Sage Home Builders INC | Ryan James Drew-mearns | — | (831) 402 1986 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| Sage Otto Scherman Construction | Sage Otto Scherman | — | (831) 277 1960 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Sal's Landscaping | Sal's Landscaping | — | (831) 402 7992 | Windows, patio, painters | Monterey · Monterey County | — | — |
| Salazar Electric | Nestor Antonio Ramos Salazar | — | (831) 238 5224 | Electricians | Monterey · Monterey County | — | — |
| Salcido Construction | Thomas Raul Salcido | — | (831) 385 3027 | GC, remodel, ADU | King City · Monterey County | — | — |
| Salinas & R Plumbing INC | Olan Rogelio Ramirez | — | (831) 595 0518 | Other | Salinas · Monterey County | — | — |
| Salinas Custom Gate Co | Dennis Dale Smith | ddsmith@salinascustomgate.com | (831) 444 9352 | Other | Salinas · Monterey County | — | — |
| Salinas Pro Painting | Castro Abraham Romero | %20info@salinaspropainting.com | (831) 682 7183 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Salinas Pump Company | Aaron James Thornton | — | (831) 422 4522 | Other | Salinas · Monterey County | — | — |
| Salinas Valley Electric | Nathan Aaron Juarez | — | (831) 676 6273 | Electricians | Salinas · Monterey County | — | — |
| Salinas Valley Landscaping Co INC | Jeraldo Martin Gutierrez | — | (831) 753 2632 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Salinas Valley Plant Company | Candice Sue De Pauw | — | (831) 905 3669 | Windows, patio, painters | Soledad · Monterey County | — | — |
| Salinas Valley Plumbing | Salinas Valley Plumbing | — | (831) 596 6603 | Other | Salinas · Monterey County | — | — |
| Salinas Valley Roofing | Jeffery Roger Lorono | info@salinasvalleyroofers.com | (831) 757 9400 | Other roofers | Salinas · Monterey County | — | — |
| Salinas Valley Septic Services | Martinez Rivera Fabian | — | (831) 512 3346 | Other | Salinas · Monterey County | — | — |
| Salmina & Sons Construction Incorporated | William James Salmina | — | (831) 970 9539 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Salvador & Sons Landscaping | Salvador & Sons Landscaping | — | (831) 601 1965 | Windows, patio, painters | Marina · Monterey County | — | — |
| Sam & Ron INC | Ronald Ray Berti | — | (831) 394 1555 | Other | Sand City · Monterey County | — | — |
| Sam Baker DBA On The Ball | On The Ball | — | (831) 206 7239 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Samarripa Builders INC | Adrian Ezekiel Samarripa | — | (831) 332 3585 | GC, remodel, ADU | Salinas · Monterey County | — | — |