| Gold Chimney | Gold Chimney | — | (415) 571 9923 | Other | Loma Mar · San Mateo County | — | — |
| Golden Bay Arborists | Golden Bay Arborists | — | (650) 575 6680 | Tree | Redwood City · San Mateo County | — | — |
| Golden Bay Area Landscaping Corp | Elder Adilsar Lopez Moreno | — | (650) 290 2948 | Windows, patio, painters | Menlo Park · San Mateo County | — | — |
| Golden Bay Contractors | Amr Magdy Rashed Moham Awad | — | (650) 201 3135 | GC, remodel, ADU | San Bruno · San Mateo County | — | — |
| Golden Bay Glass INC | Karen Lee Swanson | info@goldenbayglass.com | (650) 365 3100 | Windows, patio, painters | Redwood City · San Mateo County | — | — |
| Golden Bay Insulation INC | Daniel V Guzman | — | (650) 743 1628 | Other | Menlo Park · San Mateo County | — | — |
| Golden Bay Utility Construction INC | Melendrez Samuel Jimenez | samj@goldenbayutilityconstruction.com | (650) 922 1130 | Other | San Bruno · San Mateo County | — | — |
| Golden Bluesky Builders INC | Elisman Alexander Clemente Clemente | — | (650) 921 0765 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Golden City Remodeling INC | Anthony Yehuda Goldberg | — | (855) 431 4812 | Other roofers | Redwood City · San Mateo County | — | — |
| Golden Engineering Service INC | Barajas Jesus Silva | — | (714) 589 6229 | Other | Redwood City · San Mateo County | — | — |
| Golden Gate Burglar Alarm Co | Ronald Joseph Giannini | goldengatealarm@gmail.com | (415) 285 1787 | Electricians | Pacifica · San Mateo County | — | — |
| Golden Gate Construction LLC | Zihao Yu | — | (415) 238 1345 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Golden Gate Painting | Golden Gate Painting | info@goldengatepainting.com | (650) 288 9888 | Windows, patio, painters | Redwood City · San Mateo County | — | — |
| Golden Green Landscaping INC | Martinez Roberto | vargasisidro20@gmail.com | (650) 222 1088 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Golden Grid Electric INC | Vicker Josue Nieto Gomez | info@goldengridelectric.com | (415) 629 2828 | Electricians | South San Francisco · San Mateo County | — | — |
| Golden Peninsula Design Build LLC | Gary William Whitney | — | (415) 632 6547 | GC, remodel, ADU | Belmont · San Mateo County | — | — |
| Golden Pro Painting | Golden Pro Painting | — | (510) 325 0541 | Windows, patio, painters | Brisbane · San Mateo County | — | — |
| Golden Roofing Company | Gildardo Pena | mail@goldenroof.org | (650) 298 9393 | Other roofers | San Carlos · San Mateo County | — | — |
| Golden State Craftsman | Golden State Craftsman | — | (650) 808 0153 | GC, remodel, ADU | Millbrae · San Mateo County | — | — |
| Golden State Hauling & Demo INC | Jessica Guadalupe Govea | — | (650) 444 6799 | Other | Redwood City · San Mateo County | — | — |
| Golden State Marble And Construction INC DBA Golden State | Yuko Nammo | — | (650) 342 3318 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Golden State Overhead Doors | Golden State Overhead Doors | — | (650) 571 6150 | Other | San Mateo · San Mateo County | — | — |
| Golden State Pro Builders INC | Kang Jian | — | (415) 496 0088 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Golden State Windows INC | Gary Gershteyn | info@goldenstatewindows.com | (650) 757 9131 | Windows, patio, painters | Daly City · San Mateo County | — | — |
| Golden Team Builders INC | Golden Team Builders INC | goldenteambuilders@gmail.com | (855) 737-1055 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Goliath Construction | Santiago Antonio Robleto | — | (650) 333 3350 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| Golobic Construction | John Michael Golobic | — | (650) 302 2995 | GC, remodel, ADU | Woodside · San Mateo County | — | — |
| Gomez Iron Works | Gomez Iron Works | info@gomezironworks.com | (650) 992 7810 | Other | Daly City · San Mateo County | — | — |
| Gomez Plumbing | Gomez Plumbing | — | (650) 296 7252 | Other | South San Francisco · San Mateo County | — | — |
| Gona Builders INC | Javier Guillermo Gona | jg@gonabuilders.com | (650) 224 4780 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Gonsalves & Stronck Construction Company INC | Keith Charles Gonsalves | — | (650) 802 2960 | GC, remodel, ADU | San Carlos · San Mateo County | — | — |
| Gonzalez Construction & General Contractor INC | Betty Lou Gonzalez | — | (650) 866 0095 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| Gonzalez Painting | Gonzalez Painting | — | (650) 787 0304 | Windows, patio, painters | San Mateo · San Mateo County | — | — |
| Good Enough Commercial Flooring | Good Enough Commercial Flooring | — | (415) 515 9019 | Other | S San Francisco · San Mateo County | — | — |
| Good Neighbor Construction | Chen Jiwen | — | (415) 680 8817 | GC, remodel, ADU | Millbrae · San Mateo County | — | — |
| Good Neighbor Plumbing INC | Wesley Fagyan Mayyam | — | (510) 953 9411 | Other | Daly City · San Mateo County | — | — |
| Goodfellow Plumbing | Goodfellow Plumbing | — | (650) 204 1061 | Other | San Bruno · San Mateo County | — | — |
| Goodman Construction & Design Co INC | Wan Yin Chu | — | (650) 992 1991 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Gorden Construction | Jian Guo Wu | — | (415) 716 8140 | GC, remodel, ADU | Millbrae · San Mateo County | — | — |
| Gordon Construction | Timothy Sean Gordon | — | (650) 591 5781 | GC, remodel, ADU | San Carlos · San Mateo County | — | — |