| Jimenez Masonry Contractor INC | Jimenez Dagoberto | — | (831) 331 7163 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Jin Construction | Jin Cong-kai | — | (831) 277 2505 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Jjcl Builders INC | Juan Antonio Cordova-Villanueva | — | (831) 392 5102 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Jjj National Electrical LLC | Jaime Mendoza Jimenez | — | (831) 665 3083 | Electricians | Salinas · Monterey County | — | — |
| Jkc Construction INC | Javier Jr Castillo | — | (831) 620 2497 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Jl & Son's Plumbing INC | Cruz Juan Lustre | — | (831) 578 8283 | Other | Salinas · Monterey County | — | — |
| Jlc Electric INC | Jorge Luis Cabrera Jimenez | — | (408) 849 3089 | Electricians | Salinas · Monterey County | — | — |
| Jm Core Innovations INC | Jose Guadalupe Martinez | — | (916) 871 5273 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Jm Custom Paint | Jm Custom Paint | — | (831) 224 0813 | Windows, patio, painters | Marina · Monterey County | — | — |
| Jm Paving Excavating & Underground Engineering LLC | Joshua Deforest Jackson | — | (831) 224 0453 | Other | Seaside · Monterey County | — | — |
| Jms Cement Contractors INC | Jose Ifrain Agraz | — | (831) 585 2575 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Jn Builders INC | James Michael Nolan | — | (707) 974 1764 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Jn Plumbing Solutions INC | Jose Noel Contrerascaballero | — | (831) 682 4252 | Other | Salinas · Monterey County | — | — |
| Joan Artz Garden Design | Joan Artz Garden Design | — | (831) 236 6163 | Windows, patio, painters | Carmel · Monterey County | — | — |
| Joe's Sewer And Drain | Joe's Sewer And Drain | — | (831) 206 0926 | Other | Salinas · Monterey County | — | — |
| John A Montgomery Construction Co | John Allen Montgomery | — | (831) 402 4713 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| John C Meyers | John C Meyers | — | (831) 970 1984 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| John Carminati General Contractor | John Carminati General Contractor | — | (831) 238 4758 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| John Chatters General Contractor | John Chatters General Contractor | — | (831) 241 8036 | GC, remodel, ADU | Del Rey Oaks · Monterey County | — | — |
| John Dentice Tile And Marble Co | John Filippo Dentice | — | (831) 277 5701 | Other | Marina · Monterey County | — | — |
| John E Hansen Construction | John Edwin Hansen | — | (831) 261 3128 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| John Gill Construction | John Ronald Gill | — | (831) 915 9657 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| John Henze | John Henze | — | (831) 330 1628 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| John Kuhns | John Kuhns | — | (949) 291 5098 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| John L Moore Electrical Contractor | John L Moore | — | (831) 373 7117 | Electricians | Monterey · Monterey County | — | — |
| John Laughton DBA Laughton's Cabinet | John Laughton DBA Laughton's Cabinet | — | (831) 206 6371 | Other | Spreckels · Monterey County | — | — |
| John M Jessen Construction INC | John Mouritz Jessen | — | (831) 320 0163 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| John M Lynch DBA Green Environments | Green Environments | — | (831) 596 2523 | Windows, patio, painters | Carmel · Monterey County | — | — |
| John Montes Construction | Martin John Montes | — | (831) 524 2143 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| John Norman Handyman Service | John Kenneth Norman | — | (831) 595 9799 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| John P Springer Construction | John Paul Springer | — | (831) 596 6023 | GC, remodel, ADU | Aromas · Monterey County | — | — |
| John Paton DBA Synthetic Turf Of Monterey Bay | Synthetic Turf Of Monterey Bay | — | (831) 641 9843 | Windows, patio, painters | Pacific Grove · Monterey County | — | — |
| John Plastini Construction | John Ramon Plastini | — | (831) 659 4811 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| John Quinn Construction | John Matthew Quinn | — | (831) 402 1638 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| John R Espinoza | John R Espinoza | — | (831) 655 1228 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| John Ruccello Electric | John Joseph Jr Ruccello | — | (831) 521 7573 | Electricians | Monterey · Monterey County | — | — |
| John Tarantino Building And Property Maintenance | John Michael Tarantino | — | (831) 915 9028 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Johnnie C Smith Construction | Johnnie Chilikas Smith | — | (530) 208 8855 | GC, remodel, ADU | Bradley · Monterey County | — | — |
| Johnny Alberto Jaramillo | Johnny Alberto Jaramillo | — | (831) 272 5181 | Other | Salinas · Monterey County | — | — |
| Johnson Construction Company | Jeffery Wayne Johnson | — | (831) 236 4625 | GC, remodel, ADU | Salinas · Monterey County | — | — |