| Gartan Construction LLC | Gavin Noel Kelly | — | (415) 408 1920 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gary Chan Plumbing | Gary Chan Plumbing | — | (415) 298 9332 | Other | San Francisco · San Francisco County | — | — |
| Gary Liu Construction | Gary Shaomin Liu | — | (415) 602 6602 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gary Liu Construction INC | Gary Shaomin Liu | — | (415) 602 6602 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gary Marice Neal | Gary Marice Neal | — | (800) 637 5932 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gary Williamson | Gary Williamson | — | (310) 710 5866 | Electricians | San Francisco · San Francisco County | — | — |
| Gateway Roofing And Waterproofing INC | Suilin Vernal Lee | — | (415) 334 6008 | Other roofers | San Francisco · San Francisco County | — | — |
| Gauts Construction | Israel Curtis Graham | — | (415) 900 9337 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gavins Painting | Gavins Painting | — | (650) 218 3215 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Gb Heating & Cooling INC | Gennadiy Ivanovich Buryachenko | — | (415) 699 3983 | HVAC | San Francisco · San Francisco County | — | — |
| Gb Mechanical HVAC Co | Gennadiy Ivanovich Buryachenko | — | (415) 699 3983 | HVAC | San Francisco · San Francisco County | — | — |
| Gbi Construction LLC | Giovanni Italiano | info@gbi-construction.net | (650) 387 0340 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gcd Restoration | Gcd Restoration | info@gcdrestoration.com | (650) 835-4447 | Restoration | Daly City · San Francisco County | — | — |
| Gci INC | Peter Douglas Goldsmith | — | (415) 978 2790 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gci Management & Construction Consulting | Thomas Leroy Iii Southam | — | (415) 978 2790 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gdh Roofing & Building INC | Vi Tang Hinh | — | (415) 713 1282 | Other roofers | San Francisco · San Francisco County | — | — |
| Gech INC | John Kevin O'reilly | — | (415) 290 5205 | Electricians | San Francisco · San Francisco County | — | — |
| Gecms INC | Bruce Alvin Giron | — | (415) 316 5711 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| General Lau Construction Co | Hung Cheung Lau | — | (415) 200 7078 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Generalsf | Dubinsky Yevgeny | info@generalsf.com | (650) 303 1515 | Electricians | San Francisco · San Francisco County | — | — |
| Genesis Electric | Julio Eduardo Cardona | electric@genesiselectric.com | (415) 806 0185 | Electricians | San Francisco · San Francisco County | — | — |
| Genesis Residential Construction | John Michael Muldowney | — | (510) 333 2441 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gentle Giants Gardening | Gentle Giants Gardening | — | (415) 609 6799 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| George F Hauser | George F Hauser | — | (415) 519 5398 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| George Lee | George Lee | interested@domainmarket.com | (415) 788 2280 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| George Rios Painting & Decorating | George Rios Painting & Decorating | — | (415) 333 4217 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| George W Gardner | George W Gardner | — | (415) 265 4945 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gerald W Brady | Gerald W Brady | — | (415) 734 6397 | Other | San Francisco · San Francisco County | — | — |
| Gerard Keightley Construction INC | Gerard Marian Keightley | — | (415) 260 3377 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gerry Kelly Construction | Kelly Gerard | — | (415) 505 0832 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gerson Construction INC | Stanislav Aleksandrovi Reznitskiy | — | (415) 713 5181 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Get Built Construction | Anthony Metcalf Schwartz | — | (415) 309 5458 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gf Golden Foundation Co | Zhang Li | — | (415) 518 6779 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Gh Construction INC | Xuhong Zhang | — | (415) 610 9032 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Giancarlo Pongiglione | Giancarlo Pongiglione | — | (415) 282 2161 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Giant Landscaping INC | Juan Carlos Cardenas | — | (415) 860 9995 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Giant Work Construction Corp | Kun Sun | — | (415) 866 9223 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| Giants Restoration | Giants Restoration | — | (415) 579-3130 | Restoration | San Francisco · San Francisco County | — | — |
| Gilberto Arellano Windows | Gilberto Arellano Windows | — | (415) 573-7355 | Windows, patio, painters | San Francisco · San Francisco County | — | — |
| Gilheany Construction | Kevin Brain Gilheany | — | (415) 310 6232 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |