| Gerald Thompson Construction | Gerald Clayton Thompson | — | (831) 635 9932 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Gg's Painting & Services LLC | Gilbert Allen Perez | — | (831) 245 8717 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Godspeed Fabrication And Steel INC | Eduardo Romero | — | (831) 833 9997 | Other | Hollister · San Benito County | — | — |
| Gold Coast Electric Services INC | Jose Guadalupe Jr Macias | — | (831) 630 1550 | Electricians | Hollister · San Benito County | — | — |
| Gold State Plumbing INC | Rico Granados Elias | — | (408) 763 1144 | Other | Hollister · San Benito County | — | — |
| Golden Crowns Landscaping INC | Hernandez Nieto Edgar | — | (408) 465 6432 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Golden Root Landscape Co | Efreen Gonzalez Torres | — | (408) 310 3269 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Golden State Specialties | Golden State Specialties | — | (805) 591 0457 | Other | Hollister · San Benito County | — | — |
| Good Guys Plumbing | Good Guys Plumbing | — | (408) 968 0093 | Other | Hollister · San Benito County | — | — |
| Gordon Dobbs Construction | Gordon Philip Dobbs | — | (831) 902 6090 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Gpw Global Painting And Waterproofing INC | Bravo Gabriel Guerrero | — | (408) 460 6824 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Grants Electrical | James Jude Grant | — | (951) 551 4830 | Electricians | Hollister · San Benito County | — | — |
| Green Nature Landscape Management | Green Nature Landscape Management | — | (831) 902 8270 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Green Valley Homes INC | Thomas Paul Nino | — | (831) 801 4564 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Greenbuild Construction INC | Greenbuild Construction INC | — | (619) 333-8310 | GC, remodel, ADU | Carlsbad · San Benito County | — | — |
| Greener Grounds INC | Anthony Jr Santos | — | (831) 637 0854 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Gregg Durden | Gregg Durden | — | (831) 623 1200 | Other | San Juan Bautista · San Benito County | — | — |
| Gregg's Complete Gardening & Landscape | Gregg's Complete Gardening & Landscape | — | (831) 537 5205 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Grey Stone Concrete INC | Guizar Alberto | — | (408) 710 3538 | Other | Hollister · San Benito County | — | — |
| Guardian Roofs | Guardian Roofs | — | (858) 879-3383 | Other roofers | San Marcos · San Benito County | — | — |
| Guecon Painting INC | Jesus Apolinar Guevara Contreras | info@gueconpainting.com | (408) 472 2705 | Windows, patio, painters | Hollister · San Benito County | — | — |
| Guerrero's Tree Service | Araceli Guerrero | juan.guerrero1968@icloud.com | (831) 902 8083 | Tree | Hollister · San Benito County | — | — |
| Gularte Landscape | Gularte Landscape | info@gulartelandscape.com | (831) 262 9936 | Windows, patio, painters | San Juan Bautista · San Benito County | — | — |
| Gus Serrano | Gus Serrano | — | (408) 504 8500 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Gutierrez Construction | Enrique Garcia Gutierrez | — | (831) 901 7058 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Gvr Construction INC | Yaniv Nisim Shikuri | — | (408) 410 1338 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| H & M Building Group LLC | Efrain Ramirez Arias | — | (408) 500 5000 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| H J S | H J S | — | (408) 500 2061 | Windows, patio, painters | San Juan Bautista · San Benito County | — | — |
| H&m Property Management | H&m Property Management | yourrealtorheidi@gmail.com | (831) 637-6500 | Property managers | Hollister · San Benito County | — | — |
| Hardy's Excavating | Hardy's Excavating | — | (408) 592 5980 | Other | Hollister · San Benito County | — | — |
| Harry Hatch | Harry Hatch | — | (916) 833 0534 | Electricians | Hollister · San Benito County | — | — |
| Hatch Construction | Kevin John Hatch | enquiries@hatch-construction.com | (408) 929 9094 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Hawkins Energy Solution | Hawkins Energy Solution | — | (831) 998 1226 | Electricians | Hollister · San Benito County | — | — |
| Heating And Air Conditioning | Heating And Air Conditioning | — | (760) 280-3302 | HVAC | San Marcos · San Benito County | — | — |
| Hernandez Tree Works | Hernandez Tree Works | — | (760) 427-1655 | Tree | Vista · San Benito County | — | — |
| Hg Construction INC | Vasil Magrakvelidze | — | (408) 590 7768 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Highland Construction | Masoud A Saatchi | — | (831) 801 8301 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Historic Millwork | Historic Millwork | — | (405) 694 0200 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Hogies Construction | Tyler Andrew Hogeman | — | (831) 801 4756 | GC, remodel, ADU | Hollister · San Benito County | — | — |
| Holdaway Construction INC | Richard John Holdaway | eli@holdawayconstruction.com | (408) 500 5340 | GC, remodel, ADU | Hollister · San Benito County | — | — |