| Garma Landscaping Services INC | Rojas Sergio Garcia | — | (650) 681 7587 | Windows, patio, painters | Redwood City · San Mateo County | — | — |
| Garretson Construction INC | Timothy Woodbridge Garretson | rose@garretsonconstruction.com | (650) 743 9361 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Garry James Haussler | Garry James Haussler | — | (650) 868 8162 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Garvey Painting | Garvey Painting | info@garveypaintinginc.com | (831) 818-0207 | Windows, patio, painters | Moss Beach · San Mateo County | — | — |
| Gary C Conci | Gary C Conci | — | (650) 218 7705 | Windows, patio, painters | San Mateo · San Mateo County | — | — |
| Gary Construction Company | Gee Gary | — | (415) 407 7733 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Gary Hover Construction | Gary Robert Hover | — | (650) 444 4544 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Gary Lam Construction Company | Lam Gary | — | (650) 609 4562 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Gary O'grady Construction INC | Gary John O'grady | garyogrady@yahoo.com | (650) 784 1293 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Gary Pollack Construction | Gary Lewis Pollack | — | (650) 851 9289 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Gary Pollack Construction & Excavation | Brandon Matthew Pollack | — | (650) 851 9289 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Gary Staff | Gary Staff | — | (650) 222 0420 | GC, remodel, ADU | Woodside · San Mateo County | — | — |
| Gateway Plumbing | Gateway Plumbing | — | (415) 336 9155 | Other | South San Francisco · San Mateo County | — | — |
| Gattenberger INC | Nicholas Vladimirovic Gattenberger | — | (650) 766 5752 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Gatti Construction INC | Brian Richard Gatti | — | (650) 255 2077 | GC, remodel, ADU | Pacifica · San Mateo County | — | — |
| Gatton Electric INC | Jeffrey James Gatton | — | (650) 364 9367 | Electricians | Woodside · San Mateo County | — | — |
| Gavasse Construction | Brett Thomas Gavasse | — | (650) 773 6880 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Gavin Construction INC | Patrick Joseph Gavin | — | (650) 630 6668 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| Gavney Construction | Michael Daniel Gavney | — | (415) 516 1795 | GC, remodel, ADU | Pacifica · San Mateo County | — | — |
| Gavstar Construction | Gavin Charles O'hagan | — | (415) 712 8822 | GC, remodel, ADU | Half Moon Bay · San Mateo County | — | — |
| Gb Construction Company | Gaston A Berta | — | (650) 333 3435 | GC, remodel, ADU | Foster City · San Mateo County | — | — |
| Gb Plumbing & Construction LLC | Jose Antonio Castillo | — | (415) 259 1300 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Gbe Woodworks | Gbe Woodworks | — | (818) 203 7392 | Other | Pacifica · San Mateo County | — | — |
| Gbu Construction Development | Yosi Itay Asraf | — | (626) 427 5294 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Gcsf Pavers & Landscape INC | Carlos Doniseti Alv De Oliveira | — | (415) 298 3679 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Gda Commercial INC | Gary Donald Anderson | — | (650) 849 8639 | Other | San Carlos · San Mateo County | — | — |
| Gehrels Construction INC | Bruce Phillip Gehrels | — | (650) 207 2463 | GC, remodel, ADU | El Granada · San Mateo County | — | — |
| Gehrels Custom Homes | Gehrels Custom Homes | jason@gehrelscustomhomes.com | (415) 816 1437 | GC, remodel, ADU | San Carlos · San Mateo County | — | — |
| General Contracting | Hae Young Datwani | — | (415) 730 1161 | GC, remodel, ADU | San Carlos · San Mateo County | — | — |
| Generation Builders INC | Jose Antonio Castillo | — | (415) 259 1300 | Electricians | Burlingame · San Mateo County | — | — |
| Genesis Home Remodeling INC | Guy Nahman Sellouk | — | (650) 409 5565 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Genn's Painting | Castaneda Gonzalo Cuevas | — | (650) 758 8221 | Windows, patio, painters | Belmont · San Mateo County | — | — |
| Genuine Construction INC | Cai Jin Chen | — | (415) 939 2632 | HVAC | Millbrae · San Mateo County | — | — |
| Genuine Kitchen And Bath | Genuine Kitchen And Bath | info@genuinekitchenbath.com | (650) 966 4190 | GC, remodel, ADU | San Carlos · San Mateo County | — | — |
| Geo Construction | Edgar Giovanni Rosales | — | (415) 214 1219 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Geoff Okarma Construction INC | Geoff Anderson Okarma | — | (650) 862 8061 | GC, remodel, ADU | Portola Valley · San Mateo County | — | — |
| George Amarandos | George Amarandos | — | (650) 207 2078 | GC, remodel, ADU | Belmont · San Mateo County | — | — |
| George Arrospide | George Arrospide | — | (650) 771 2069 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| George Barros Jr Enterprises | George Amaral Jr Barros | — | (415) 309 0454 | Other | San Carlos · San Mateo County | — | — |
| George Martin | George Martin | — | (650) 583 3157 | GC, remodel, ADU | So San Francisco · San Mateo County | — | — |