| J R Hill Construction | Jerod Richard Hill | — | (831) 970 1313 | GC, remodel, ADU | Gonzales · Monterey County | — | — |
| J R Landscaping | J R Landscaping | — | (831) 277 8308 | Windows, patio, painters | Pacific Grove · Monterey County | — | — |
| J Rizo Construction INC | Rizo Cortes Jorge | — | (831) 210 6322 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| J S Tile | J S Tile | — | (831) 594 3249 | Other | Salinas · Monterey County | — | — |
| J V Construction | Jesus Maria Vargas | — | (831) 484 3844 | GC, remodel, ADU | Soledad · Monterey County | — | — |
| J V Custom Tile | J V Custom Tile | — | (831) 229 8197 | Other | Monterey · Monterey County | — | — |
| J V Electric | Valentin Miranda Javier | impallari@gmail.com | (831) 235 5694 | Electricians | King City · Monterey County | — | — |
| J W Electric | John Carleton White | — | (831) 320 6377 | Electricians | Salinas · Monterey County | — | — |
| J W Mc Carthy Construction INC | Joseph William Mc Carthy | — | (831) 320 9836 | Electricians | Carmel Valley · Monterey County | — | — |
| J's Gutters And Sheet Metal | J's Gutters And Sheet Metal | — | (831) 235 0984 | Other roofers | Salinas · Monterey County | — | — |
| J's Plumbing & Drain Service | Jorge Luis Arias-alvarez | — | (831) 840 9301 | Other | Salinas · Monterey County | — | — |
| Ja Tree Service INC | Edgar Ivan Alaniz Enriquez | — | (831) 236 0099 | Tree | Carmel Valley · Monterey County | — | — |
| Jab Constructors INC | Esperanza Nayeli Rodriguez | office@jabconstructors.com | (831) 256 1015 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Jack Ingram Plastering | Jack Ingram Plastering | — | (831) 277 5652 | Other | Monterey · Monterey County | — | — |
| Jafet Torres Plumbing & Heating INC DBA J T Plumbing | Jafet Isai Torres | — | (831) 632 0139 | HVAC | Marina · Monterey County | — | — |
| Jaime Bugarin Construction | Bugarin Jaime | — | (831) 277 6548 | HVAC | Seaside · Monterey County | — | — |
| Jamasa General Construction | Rodolfo Perez-Morales | — | (831) 383 4746 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| James Bart Bruno | James Bart Bruno | — | (831) 384 4081 | Other | Monterey · Monterey County | — | — |
| James Byron Riddle | James Byron Riddle | — | (831) 261 4106 | Other | Marina · Monterey County | — | — |
| James Gall | James Gall | — | (831) 206 7990 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| James Gregory Creecy Painting INC | James Gregory Creecy | — | (831) 917 0029 | Windows, patio, painters | Monterey · Monterey County | — | — |
| James Harrington Engineering | James Harrington Engineering | — | (831) 601 6861 | Other | Monterey · Monterey County | — | — |
| James Smart | James Smart | — | (831) 595 6220 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Jamey Demaria Masonry INC | Christina Renee De Maria | — | (831) 622 7866 | Other | Carmel · Monterey County | — | — |
| Janatsch Electric | Richard Josephlee Janatsch | — | (805) 550 3920 | Electricians | King City · Monterey County | — | — |
| Jara Landscaping | Jara Landscaping | — | (831) 594 2033 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Jared Harvey | Jared Harvey | — | (423) 201 3115 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Jared Lee Disalvo | Jared Lee Disalvo | — | (408) 763 9452 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Jarvio Plastering INC | Aldo Luengas Jarvio | — | (831) 444 5235 | Other | Salinas · Monterey County | — | — |
| Jason Adams Construction | Jason Reymond Denn Adams | — | (831) 917 9002 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Jason Greene Builders INC DBA Jg Builders | Jason Robert Ashley Greene | — | (831) 682 2627 | GC, remodel, ADU | Castroville · Monterey County | — | — |
| Jason Kelly Finesse Painting | Jason Kelly Finesse Painting | — | (831) 717 7124 | Windows, patio, painters | Monterey · Monterey County | — | — |
| Jason Kennedy Electric | Jason Scott Kennedy | — | (504) 909 8968 | Electricians | Monterey · Monterey County | — | — |
| Jason S Yates | Jason S Yates | — | (831) 915 9551 | Electricians | Marina · Monterey County | — | — |
| Jason Scott Lynn Jordan | Jason Scott Lynn Jordan | — | (831) 254 3924 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Jasso's Construction Clean Up INC | Jasso Jasso Abel | — | (831) 747 5063 | Other | Marina · Monterey County | — | — |
| Javier Vazquez | Javier Vazquez | — | (831) 277 6493 | Other | Seaside · Monterey County | — | — |
| Jb Heating And Air Conditioning INC | J Benjamin Lara Chavez | — | (831) 261 7713 | HVAC | Soledad · Monterey County | — | — |
| Jbii Builder INC | Joseph Ii Bruno | — | (831) 595 2541 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Jbw Construction INC | Joshua Burnside Wilson | — | (831) 915 6570 | GC, remodel, ADU | Big Sur · Monterey County | — | — |