| G H Construction | Gregory Mark Harrod | — | (831) 809 3206 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| G H Ramirez & Bros Landscaping INC | Gabriel Hernandez Ramirez | — | (831) 214 4587 | Windows, patio, painters | Marina · Monterey County | — | — |
| G I S Plumbing INC | Trejo Ismael Gonzalez | — | (831) 905 8873 | Other | Salinas · Monterey County | — | — |
| G N D Painting Company | Guillermo Antonio Dominguez | — | (831) 224 9071 | Windows, patio, painters | Seaside · Monterey County | — | — |
| G Powers Electric INC | Gary Lynn Powers | — | (831) 241 8800 | Electricians | Carmel Valley · Monterey County | — | — |
| G R Remodeling | G R Remodeling | — | (831) 356 3663 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| G S Electrical | Gregory Alan Steingasser | — | (831) 633 6048 | Electricians | Salinas · Monterey County | — | — |
| G W Construction | Gregory Allan Wilson | — | (831) 345 3680 | GC, remodel, ADU | Castroville · Monterey County | — | — |
| G Z Welding | G Z Welding | — | (831) 998 4336 | Other | Salinas · Monterey County | — | — |
| G-tech Services | Guillermo Tena Avalos | — | (831) 269 1982 | HVAC | Salinas · Monterey County | — | — |
| Gabe Hawes Construction INC | Gabriel Lyen Luiz Hawes | — | (831) 521 9629 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Gabriel Compagno INC | Gabriel Joseph Compagno | — | (831) 747 7503 | Electricians | Salinas · Monterey County | — | — |
| Gabriel Luna | Gabriel Luna | — | (562) 685 4350 | Other | Pacific Grove · Monterey County | — | — |
| Galan Flooring LLC | Hernandez Rafael Galan | — | (831) 269 2599 | Other | Salinas · Monterey County | — | — |
| Galaz Contractors Corp | Brian Alexander Galaz Cen | — | (831) 320 7079 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Galdinos Landscape & Maintenance | Galdinos Landscape & Maintenance | — | (831) 659 5128 | Windows, patio, painters | Carmel Valley · Monterey County | — | — |
| Gallardo Construction | Gallardo Reyes Bethuel | — | (831) 710 7320 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Gamez 7 Construction INC | Pablo Casimiro Gamez Martinez | — | (831) 512 2821 | GC, remodel, ADU | Gonzales · Monterey County | — | — |
| Gansek INC | Hoss Azimi | — | (510) 486 1280 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Gar Construction | Ruben Angel Gama | — | (831) 320 7593 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Garcia Concrete | Garcia Concrete | — | (760) 975 2774 | Other | Salinas · Monterey County | — | — |
| Garcia Construction | Michael Damian Garcia | impallari@gmail.com | (831) 901 8633 | GC, remodel, ADU | Soledad · Monterey County | — | — |
| Garcia Painting | Garcia Painting | jesus@garcia-painting.com | (831) 737 6713 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Garcia Rey Plumbing | Garcia Rey Plumbing | — | (831) 970 1459 | Other | Castroville · Monterey County | — | — |
| Garcia's Plumbing Company | Garcia Robert | john@smith.com | (831) 235 1942 | Other | Salinas · Monterey County | — | — |
| Garden City Electric LLC | Michael Christopher Jones | — | (831) 901 1941 | Electricians | Monterey · Monterey County | — | — |
| Garden Solutions Landscaping | Garden Solutions Landscaping | — | (831) 224 4006 | Windows, patio, painters | Seaside · Monterey County | — | — |
| Garth Young | Garth Young | — | (831) 596 5594 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Gary Grewell Plumbing INC | Gary Donald Grewell | — | (831) 601 1635 | Other | Salinas · Monterey County | — | — |
| Gary Grewell Woodworks | Gary Grewell Woodworks | — | (415) 377 2095 | Other | Aromas · Monterey County | — | — |
| Gary R Woolem Painting & Decorating | Gary Robert Woolem | — | (831) 238 1641 | Windows, patio, painters | Monterey · Monterey County | — | — |
| Gates Tree Service INC | Gerald Carlton Gates | — | (831) 595 1274 | Tree | Carmel Valley · Monterey County | — | — |
| Gaucher Construction | Neil Francis Gaucher | — | (831) 238 6011 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Genco Erosion Control LLC | Brian David Carver | — | (559) 260 8880 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| General Plumbing Contractors INC | Raul Sr Limon Briseno | — | (831) 726 6121 | Other | Salinas · Monterey County | — | — |
| Genesis Painting | Genesis Painting | — | (831) 206 4189 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Geoff Smith Landscaping INC | Juan Luis Ontiveros Valdes | — | (831) 383 6454 | Windows, patio, painters | Seaside · Monterey County | — | — |
| George Brooks Painting | George Brooks Painting | — | (831) 905 2908 | Windows, patio, painters | Moss Landing · Monterey County | — | — |
| George Gamboa | George Gamboa | — | (831) 595 7705 | Other | Salinas · Monterey County | — | — |
| George Gamboa's Stonecare | George Gamboa's Stonecare | — | (831) 809 5454 | Other | Salinas · Monterey County | — | — |