| Guobin Yu | Guobin Yu | — | (510) 388 1176 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Gurdip S Sahota | Gurdip S Sahota | — | (925) 998 4060 | GC, remodel, ADU | Pleasanton · Alameda County | — | — |
| Gurries Electric INC | Nicholas Joseph Gurries | impallari@gmail.com | (408) 710 4251 | Electricians | Fremont · Alameda County | — | — |
| Guru Construction INC | Singh Harbinder | jacob@guru-construction.com | (510) 938 2523 | GC, remodel, ADU | Newark · Alameda County | — | — |
| Gustavo Brooks Construction | Gustavo Adolfo Trujillo Brooks | — | (510) 866 5560 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Gutierrez Construction | Juan Carlos Gutierrez | — | (510) 393 5505 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Gutierrez Glass Repair Services | Gutierrez Walter | — | (510) 207 1660 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Gutierrez Painting Co | Jose Luis Gutierr Garcia | gutierrez.painting@hotmail.com | (510) 728 2146 | Windows, patio, painters | Castro Valley · Alameda County | — | — |
| Gutter Done | Gutter Done | info@gutterdone.com | (925) 960 5758 | Other | Livermore · Alameda County | — | — |
| Gutters By Benson INC | Edward John Benson | — | (510) 258 4365 | Other | Hayward · Alameda County | — | — |
| Guzman Electrical Company INC | Oscar Alfredo Guzman | — | (510) 332 9328 | Electricians | Oakland · Alameda County | — | — |
| Gv General Construction | Jose Gustavo Valle | — | (510) 695 9315 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Gw Engineering Contractors INC | Randy Lamar Gatewood | — | (510) 778 0364 | Other | Oakland · Alameda County | — | — |
| H & C Construction | Cuong Viet Nguyen | — | (510) 295 7840 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| H & H Builders & Remodelers | Perry Mayse Iii Hooks | — | (510) 452 1076 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| H & H Pool Services INC | David James Hawes | — | (925) 828 7665 | Pool | Dublin · Alameda County | — | — |
| H & H Refrigeration Sales & Services INC | Lup Hung Yee | — | (510) 597 0218 | HVAC | Albany · Alameda County | — | — |
| H & H Singh Construction INC | Harwinder Singh | — | (510) 766 4702 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| H & H Wallboard INC | Ernest Edward Hernandez | — | (925) 456 6325 | Windows, patio, painters | Livermore · Alameda County | — | — |
| H & L Pro Construction INC | Thuy Dung Thi Nguyen | — | (510) 774 7073 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| H & N Enterprises | Ryan Michael Nielsen | — | (925) 828 9163 | Windows, patio, painters | Pleasanton · Alameda County | — | — |
| H 3 D Home Construction | Du Hanli | — | (510) 996 2832 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| H A Bowen Electric INC | Herbert Austin Bowen | — | (510) 483 0500 | Electricians | San Leandro · Alameda County | — | — |
| H And X Builders | H And X Builders | — | (510) 384 9236 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| H B Home Decor | Wei Luo | — | (510) 755 8868 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| H B Kitchen Bath INC | Wei Luo | — | (510) 755 8868 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| H B M Construction | Henry Yun Hong Mak | — | (415) 688 9869 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| H D Ez - Air INC | Eujenia M Hernandez | — | (510) 695 0744 | HVAC | Hayward · Alameda County | — | — |
| H D R Remodeling INC | Kevin Mond | hdr@hdrremodeling.com | (510) 845 6100 | GC, remodel, ADU | Emeryville · Alameda County | — | — |
| H I S Home Improvement Service | Rick Dale Jones | — | (510) 325 5413 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| H James Knuppe | H James Knuppe | — | (510) 727 1800 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| H K Tong's Construction | Kai Jeffrey Tong | — | (510) 688 0883 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| H L C Construction | Hung Van Le | — | (510) 301 3485 | Electricians | Oakland · Alameda County | — | — |
| H L Construction Co | Michael Yuan Liu | — | (510) 599 0917 | GC, remodel, ADU | Dublin · Alameda County | — | — |
| H Q Construction Co INC | Joe Robert Hart | — | (925) 634 2006 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| H R C Construction INC | Raymond George Hewlett | — | (510) 453 2410 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| H R C Roofing And Solar INC | Hernandez Cristobal | — | (855) 827 8957 | Other roofers | Hayward · Alameda County | — | — |
| H R J & Associates | Yim K Wong | — | (510) 232 9700 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| H R Kleckner Construction INC | Harold Robert Jr Kleckner | — | (925) 487 1337 | GC, remodel, ADU | Dublin · Alameda County | — | — |
| H S Construction | Singh Satpal | — | (510) 952 6702 | GC, remodel, ADU | Newark · Alameda County | — | — |