| Golden State Shower Door INC | Walter Scott Ottovich | — | (510) 771 9727 | Windows, patio, painters | Fremont · Alameda County | — | — |
| Golden State Stucco | Kirt Wayne Huggins | office@goldenstatestucco.com | (925) 245 1435 | Other | Livermore · Alameda County | — | — |
| Golden State Tile & Stone INC | Oscar Ramiro Ramirez-Rangel | — | (510) 750 7149 | Other | San Leandro · Alameda County | — | — |
| Golden Touch Painting LLC | Daniel Saturnino Aguilar | — | (925) 642 8432 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Golden Vector Stars Corporation | Eric Ching Wong | — | (510) 813 3181 | Electricians | Hayward · Alameda County | — | — |
| Golden Wire Electric INC | Garcia Alfredo | — | (209) 449 9891 | Electricians | San Leandro · Alameda County | — | — |
| Goldson Construction | Diego Alberto Banuelos Lopez | info@goldsonconstruction.com | (510) 750 4784 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Gomez Builder & Restroration | Gomez Builder & Restroration | — | (510) 302 9680 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Gomez Garcia Construction Co | Manuel Alejandro Gomez Garcia | — | (650) 862 4789 | GC, remodel, ADU | San Lorenzo · Alameda County | — | — |
| Gomez Iron Fabrication INC | Meza Miguel Gomez | — | (510) 318 0926 | Other | Oakland · Alameda County | — | — |
| Gonzalez Construction | Alex Estuardo Miguel Gonzalez | gonzalez-construction@hotmail.com | (317) 313-0659 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Gonzalez Construction | Carlos Alfredo Gonzalez | gonzalez-construction@hotmail.com | (317) 313-0659 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Gonzalez Electric INC | Rodrigo Gamal Gonzalez Samano | — | (650) 906 1790 | Electricians | San Lorenzo · Alameda County | — | — |
| Gonzalez F Landscaping INC | Hernandez Francisco Gonzalez | — | (415) 375 1157 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Gonzalez Masonry | Ismael Gonzalez | — | (510) 913 4475 | Other | Newark · Alameda County | — | — |
| Gonzalez Plastering | Gonzalez Plastering | — | (510) 887 2215 | Other | Hayward · Alameda County | — | — |
| Gonzalez Pool Masonry INC | Ismael Gonzalez | — | (510) 703 1907 | Other | Livermore · Alameda County | — | — |
| Gonzalez Scapeworks INC | Orfil Jr Gonzalez | office@gonzalezscapeworks.com | (510) 340 1508 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Good 2 Go Plumbing | Good 2 Go Plumbing | — | (510) 706 2720 | Other | San Leandro · Alameda County | — | — |
| Good Fit Plumbing | Good Fit Plumbing | — | (510) 423 1832 | Other | Oakland · Alameda County | — | — |
| Good Home Professional Construction | Yao Hai Qin | — | (510) 508 2811 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Good Quality Painting | Good Quality Painting | — | (510) 940 5383 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Good Wood LLC | Eric Christopher Stevens | — | (312) 420 2169 | Other | Castro Valley · Alameda County | — | — |
| Good-natured Landscapes LLC | Ryan Eugene Webb | — | (304) 261 4695 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Gordillo Construction INC | Jeffery Michael Gordillo | — | (510) 427 5178 | GC, remodel, ADU | San Lorenzo · Alameda County | — | — |
| Gordon & Company | Neal Justin Gordon | — | (510) 350 7108 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Gorgeous Marble And Tile | Gorgeous Marble And Tile | — | (510) 915 0698 | Other | Fremont · Alameda County | — | — |
| Gosal Heating And Air Conditioning | Gosal Heating And Air Conditioning | — | (510) 441 2318 | HVAC | Union City · Alameda County | — | — |
| Goss Fencing INC | Michael Jon Goss | eben@eyebytes.com | (925) 570-7715 | Other | Sunol · Alameda County | — | — |
| Got Backflow Test Installation And Repair | Dana Michael Williams | — | (510) 468 3289 | Other | Hayward · Alameda County | — | — |
| Got Electrical INC | Steven Raymond Romero | — | (510) 894 1050 | Electricians | Fremont · Alameda County | — | — |
| Gotham Bay Construction Corporation | Andrew Howard Garay | — | (510) 923 9100 | GC, remodel, ADU | Emeryville · Alameda County | — | — |
| Gotham Home Services | Chance Joaquin Michno | — | (925) 809 0595 | Other | Pleasanton · Alameda County | — | — |
| Govea Remodeling INC | Sanchez Emmanuel Govea | — | (510) 576 9670 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Gr Creations Tile & Stone INC | Mauricio Galarza | — | (510) 603 9249 | Other | Oakland · Alameda County | — | — |
| Grace S Seferian | Grace S Seferian | — | (510) 520 1364 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Graciela's Property Services | Jesus Danny Martinez Espinoza | — | (415) 786 7733 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Gracious Gardens Landscaping | Gracious Gardens Landscaping | — | (650) 303 5094 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Gracon Construction INC | Gilbert Rodrigo Granado | — | (510) 377 8062 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Gradetech INC | Sam Richard Rivinius | — | (928) 401 5092 | Other | Livermore · Alameda County | — | — |