| Gold Mountain Construction | Brian Wayne Jr Milhous | goldmountainconstruction@outlook.com | (530) 559 6894 | Other | Nevada City · Nevada County | — | — |
| Golden Gun Construction | Matthew Edward Pagan | — | (530) 263 9123 | Other roofers | Cedar Ridge · Nevada County | — | — |
| Golden State Plumbing And Drain | Golden State Plumbing And Drain | — | (530) 305 4781 | Other | Grass Valley · Nevada County | — | — |
| Gonzalez Concrete | Gonzalez Concrete | — | (530) 412 0198 | Other | Truckee · Nevada County | — | — |
| Good Connection Electric | Tory Michael Clinesmith | — | (530) 386 6141 | Electricians | Truckee · Nevada County | — | — |
| Goodson Construction Co | Clifford James Goodson | — | (916) 747 4647 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Gordon Crew INC | Steven Richard Gordon | — | (530) 308 1675 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Govers Sidewall Shingling | Govers Sidewall Shingling | — | (510) 339 6965 | Windows, patio, painters | Truckee · Nevada County | — | — |
| Grace Construction | Rodric George Rober Anderson | — | (530) 559 2711 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Granite Chief Construction | Bob Joseph Salas | — | (530) 448 6009 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Grant Robert Wayman | Grant Robert Wayman | — | (530) 559 2226 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Grass Roots Heating And Air LLC | Alexander Burton Campbell | grassrootsheatingandair@gmail.com | (267) 736 9057 | HVAC | Grass Valley · Nevada County | — | — |
| Grass Valley Air Conditioning INC | Robin Elaine Jones | — | (530) 272 8171 | HVAC | Grass Valley · Nevada County | — | — |
| Grass Valley Glass INC | Martin Owen Sawin | — | (530) 272 2622 | Windows, patio, painters | Grass Valley · Nevada County | — | — |
| Grass Valley Home Company | Lane Keoni Allen | — | (530) 477 5300 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Grass Valley Sign Company INC | William Michael Brewer | — | (530) 477 7446 | Other | Grass Valley · Nevada County | — | — |
| Grass Valley Stair | Grass Valley Stair | — | (530) 272 6695 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Grateful Gardens | Timothy Joseph Critz | — | (530) 550 9372 | Windows, patio, painters | Truckee · Nevada County | — | — |
| Gray Electric Co | David Alan Ferguson | — | (530) 273 0686 | Electricians | Grass Valley · Nevada County | — | — |
| Grays Customs | Grays Customs | — | (530) 913 4551 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Great Oak Drilling Company INC | Richard Deane Strohm | — | (530) 218 4980 | Other | Nevada City · Nevada County | — | — |
| Green Bear Construction INC | Patrick Timothy Gisriel | — | (530) 386 2968 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Green Bee Construction | Matthew Aaron Sutherlin | info@greenbeeconstruction.com | (530) 575 1700 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Green Mountain Craftsmen | Green Mountain Craftsmen | — | (530) 414 1581 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Greencity Landscapes | Greencity Landscapes | connect@greencitylandscapes.com | (510) 206 4594 | Windows, patio, painters | Grass Valley · Nevada County | — | — |
| Greenedge Energy INC | Samuel Beau Steward | — | (408) 209 3826 | Electricians | Penn Valley · Nevada County | — | — |
| Greenhouse Builders Group LLC | Jason George Petrovffsky | — | (530) 913 4970 | Electricians | Grass Valley · Nevada County | — | — |
| Greg L Pope | Greg L Pope | — | (530) 412 3078 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Gregg Zuccaro | Gregg Zuccaro | — | (916) 205 6007 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Gregory D Gibson | Gregory D Gibson | — | (530) 575 0592 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Grenon & Sons Construction INC | Glen Allen Grenon | — | (530) 559 0577 | Other | Cedar Ridge · Nevada County | — | — |
| Gretchen Stone Painting And Decorating | Gretchen Stone Painting And Decorating | — | (530) 412 0545 | Windows, patio, painters | Truckee · Nevada County | — | — |
| Griego Plumbing | Griego Plumbing | — | (530) 913 6561 | Other | Truckee · Nevada County | — | — |
| Griff Davis Construction INC | Robert Griffith Davis | gdcofficemanager@gmail.com | (530) 548 5900 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Griffin Construction | Michael Dennis Griffin | — | (530) 412 4256 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Grindstone Steel INC | Gary Stephen Grandfield | gary@grindstonesteel.com | (415) 307 3560 | Other | Nevada City · Nevada County | — | — |
| Ground Up Concrete INC | Juan Jose Olivas | — | (530) 414 4026 | Other | Truckee · Nevada County | — | — |
| Grounded Innovations | Matthew Mcclellan Hamilton | — | (530) 412 0347 | Electricians | Truckee · Nevada County | — | — |
| Guerrero Framing INC | Carrillo Juan Guerrero | — | (775) 624 4065 | Other | Truckee · Nevada County | — | — |
| Gurzi Builders INC | Thomas Anthony Gurzi | contact@sansoxygen.com | (530) 878 7174 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |