| Galagaran Painting | Galagaran Painting | — | (415) 269 7653 | Windows, patio, painters | Novato · Marin County | — | — |
| Gallo's Demolition Hauling Services | Danny Oslin Mazariegos De Leon | — | (415) 955 7482 | Other | Novato · Marin County | — | — |
| Gannon Construction Company | Brian Joseph Gannon | brian@bjgcontractor.com | (415) 309-6230 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Garcia Bro Landscaping | Garcia Bro Landscaping | — | (415) 577 0307 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Garcia Reyes Construction INC | Marco Antonio Garcia Reyes | — | (415) 619 7231 | GC, remodel, ADU | Novato · Marin County | — | — |
| Garcia's G Landscape & Stone INC | Manuel Alonso Garcia Rojas | — | (415) 233 2074 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Garcia's Landscape Services | Garcia Francisco | — | (415) 453 6064 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Garcia's Painting Services LLC | Ivan A Garcia | — | (415) 246 7656 | Windows, patio, painters | Novato · Marin County | — | — |
| Gardens & Gables | Kathleen Marie Phelps | — | (415) 499 0331 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Gardner Fenton Goetze | Gardner Fenton Goetze | — | (415) 845 9058 | GC, remodel, ADU | Fairfax · Marin County | — | — |
| Gardner Goetze | Gardner Goetze | — | (415) 306 1926 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Garret Medeiros Construction | Garret George Medeiros | — | (707) 480 2388 | Other | Novato · Marin County | — | — |
| Garth's Gardens | Garth's Gardens | garth@garthsgardens.com | (415) 505 7034 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Gary Diego Construction | Gary Dennis Diego | — | (530) 913 6064 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Gary F Wanegar | Gary F Wanegar | — | (415) 847 1503 | Other | Sausalito · Marin County | — | — |
| Gary Ghilotti Engineering Contractor | Gary Ghilotti Engineering Contractor | — | (415) 459 8640 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Gary L Gockel | Gary L Gockel | — | (707) 529 9432 | Pool | Mill Valley · Marin County | — | — |
| Gary Michael Springett | Gary Michael Springett | — | (415) 454 1272 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Gary Serrano Construction INC | Gary Joseph Serrano | — | (415) 389 0159 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Gary Smith Construction | Gary Richard Smith | — | (415) 608 4528 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Gary Torney Landscaping | Gary Torney Landscaping | — | (415) 461 1795 | Windows, patio, painters | Kentfield · Marin County | — | — |
| Gary W Giesen General Contractor INC DBA Gary W Giesen | Gary William Giesen | — | (415) 999 0276 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Geco INC | Lombrozo Michael | — | (415) 299 0280 | GC, remodel, ADU | Novato · Marin County | — | — |
| Gehrke Pool Cleaning | Gehrke Pool Cleaning | — | (415) 595 3411 | Pool | San Rafael · Marin County | — | — |
| Geissler Engineering | Geissler Engineering | geissler@geissler-engineering.com | (949) 371-0626 | Windows, patio, painters | Belvedere · Marin County | — | — |
| Gelardi Construction | Robert Michael Sr Gelardi | — | (415) 472 4649 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Gene Maffucci Welding | Gene Maffucci Welding | — | (415) 663 1639 | Other | Marshall · Marin County | — | — |
| Geo Monley | Geo Monley | — | (415) 250 5437 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| George C Murany Builder | George C Murany Builder | — | (707) 292 3363 | GC, remodel, ADU | Novato · Marin County | — | — |
| George E Bond General Contractor | George E Bond General Contractor | — | (415) 847 4438 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| George Family Enterprises INC Northern California | Debra Irene George | — | (415) 259 8448 | GC, remodel, ADU | Novato · Marin County | — | — |
| George Gonzalez | George Gonzalez | — | (415) 713 4025 | Other | Bolinas · Marin County | — | — |
| George L Lowrey | George L Lowrey | — | (415) 810 3154 | GC, remodel, ADU | Sausalito · Marin County | — | — |
| George R Magan Stair Builders | George R Magan Stair Builders | — | (707) 878 2306 | Other | Tomales · Marin County | — | — |
| George T Flynn Construction | George Thomas Iv Flynn | — | (415) 320 3303 | GC, remodel, ADU | Stinson Beach · Marin County | — | — |
| Geothersun Construction | Gerald Pascal Loquet | — | (415) 602 2960 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Gerard Grant | Gerard Grant | — | (415) 892 1472 | GC, remodel, ADU | Novato · Marin County | — | — |
| Gerardin's Hardwood Flooring INC | Nelson Daniel Lopez Rodas | — | (415) 521 6902 | Other | San Rafael · Marin County | — | — |
| Ggd INC | Brendan Neill Lathrop | — | (415) 339 1488 | GC, remodel, ADU | Sausalito · Marin County | — | — |
| Ghilotti Bros And St Francis Electric Jv | Bros INC Ghilotti | — | (415) 454 7011 | Other | San Rafael · Marin County | — | — |