| Ground One Construction Co | Juan G Romero | — | (831) 240 1017 | Other | Prunedale · Monterey County | — | — |
| Ground Studio | Bernard Mark Trainor | info@groundstudio.com | (831) 655 1414 | Windows, patio, painters | Monterey · Monterey County | — | — |
| Group 10 Construction Corp | Erick Raziel Bustamante Mendoza | — | (831) 706 5316 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Groza Construction | Cody Nolan West | — | (831) 655 7605 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Gsc Construction Development INC | Guillermo Nieto | — | (831) 320 5051 | GC, remodel, ADU | Soledad · Monterey County | — | — |
| Guardados Landscape | Guardados Landscape | — | (831) 750 6383 | Windows, patio, painters | Aromas · Monterey County | — | — |
| Guerras Lathing & Plastering | Adan Olvera | — | (831) 356 3109 | Other | Salinas · Monterey County | — | — |
| Guerrero Excavation & Utilities LLC | Pedro Omar Guerrero | — | (831) 261 6317 | Other | Salinas · Monterey County | — | — |
| Guerrero's Lawn Service INC | Damian Guerrero | — | (831) 265 3848 | Windows, patio, painters | Soledad · Monterey County | — | — |
| Guiding Light Electric | Brandon Dale Osburn | — | (831) 840 4470 | Electricians | Royal Oaks · Monterey County | — | — |
| Guido's Construction | Jesus Lopez Guido | — | (831) 262 1361 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Guillermo Ruiz Construction | Ruiz Santos Guillermo | — | (831) 383 1018 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Gus Randazzo | Gus Randazzo | — | (831) 394 6164 | Other | Monterey · Monterey County | — | — |
| Gutierrez Excavating & Grading | Gutierrez Excavating & Grading | — | (831) 594 9683 | Other | Prunedale · Monterey County | — | — |
| Guzman Construction | Richard Herrera Guzman | — | (831) 269 1381 | GC, remodel, ADU | Castroville · Monterey County | — | — |
| Guzman Construction | Guzman Mendez Jaime | — | (831) 596 7638 | GC, remodel, ADU | Greenfield · Monterey County | — | — |
| Gv Air Mechanical | Gv Air Mechanical | — | (831) 595 4743 | HVAC | Salinas · Monterey County | — | — |
| H - N - G Construction | Kenneth Howard Jewell | — | (831) 402 0285 | Other | Aromas · Monterey County | — | — |
| H And H Electric INC | Humberto Armando Hernandez | — | (831) 682 8040 | Electricians | Salinas · Monterey County | — | — |
| H T W Contractors | Daniel Martin | — | (408) 422 8874 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| H Z Electric | Zavala Hector | — | (831) 422 6555 | Electricians | Salinas · Monterey County | — | — |
| Habitat Gardens | Casey Alan Lyon | — | (831) 644 0535 | Windows, patio, painters | Pacific Grove · Monterey County | — | — |
| Hal Leffel & Son Construction INC | Harold Eugene Leffel | — | (831) 915 2945 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Hall Landscape Design INC | Scott Hall | — | (831) 655 3808 | Windows, patio, painters | Pacific Grove · Monterey County | — | — |
| Halo Enterprises | Charles Sumner Hvassman | info@halo-enterprises.com | (831) 229 2085 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Halo Heating & Air Conditioning | Halo Heating & Air Conditioning | — | (310) 692 0325 | HVAC | Bradley · Monterey County | — | — |
| Halo Security Guards Monterey | Halo Security Guards Monterey | — | (831) 999-2936 | Alarm and generators | Monterey · Monterey County | — | — |
| Hammer Head Construction | Jesus Luis Martinez | — | (831) 869 1271 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Hammock Construction INC | James Harold Hammock | info@hammockconstruction.com | (831) 809 5840 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Hamza Design & Construction INC | Nashwan Shawn Hamza | — | (831) 277 6268 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Handcrafted Finishes By Friday | Michael William Friday | — | (831) 277 3688 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Handy Dan Construction & Greenwise Landscapes | Daniel Keith Finklea | — | (925) 285 7004 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Handy Mak Construction | Makram Affo Shehadeh | mak@handymakconstruction.com | (831) 915 5396 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Hank's Painting | Hank's Painting | — | (831) 210 4265 | Windows, patio, painters | Carmel · Monterey County | — | — |
| Hannah Tile Co | Ulysses Jr Allen | — | (831) 899 7948 | Other | Seaside · Monterey County | — | — |
| Hansons Blinds & Shutters | Hansons Blinds & Shutters | — | (831) 915 1525 | Other | Marina · Monterey County | — | — |
| Happy Boys Construction INC | Camacho German Ramirez | — | (831) 253 8181 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Harami Construction | Harami Harry | — | (831) 809 9188 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Harber Construction | William Alden Harber | — | (831) 392 7854 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Harbin Construction | Jack D Jr Harbin | — | (831) 320 3686 | GC, remodel, ADU | King City · Monterey County | — | — |