| Jna Inspection Services & Logistics | Jna Inspection Services & Logistics | justin@sentinel-home-inspection.com | (209) 793-1366 | Inspectors | City Of Atwater · Merced County | — | — |
| Jodi Jasso | Jodi Jasso | — | (209) 587 5878 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| Joe Fenech Cabinets | Joe Fenech Cabinets | — | (209) 604 6413 | Other | Ballico · Merced County | — | — |
| Joe Ortega DBA Grayson Plumbing Supply | Grayson Plumbing Supply | — | (209) 392 2960 | Other | Dos Palos · Merced County | — | — |
| Joe's Gardening A Partnership | Paulo Joe Ramos | — | (209) 826 8142 | Windows, patio, painters | Los Banos · Merced County | — | — |
| John A Maxwell | John A Maxwell | — | (209) 658 4115 | GC, remodel, ADU | Merced · Merced County | — | — |
| John Englert Construction | John H Englert | — | (209) 722 1323 | GC, remodel, ADU | Merced · Merced County | — | — |
| John Rohrer Construction | John Joseph Rohrer | — | (209) 723 1305 | GC, remodel, ADU | Merced · Merced County | — | — |
| John Saenz Gutierrez | John Saenz Gutierrez | — | (209) 345 0930 | GC, remodel, ADU | Hilmar · Merced County | — | — |
| John Sharp LLC | Johnny Lee Sharp | — | (209) 410 3969 | GC, remodel, ADU | Stevinson · Merced County | — | — |
| Johnson Electric | Kevin Brian Sr Johnson | — | (209) 725 8552 | Electricians | Merced · Merced County | — | — |
| Johnson Plumbing INC | Scott Eric Johnson | — | (209) 723 4032 | Other | Merced · Merced County | — | — |
| Johnson Plumbing Industrial INC | Eugene Bernard Jr Gantney | — | (209) 384 1566 | Other | Merced · Merced County | — | — |
| Johnstone Supply | Johnstone Supply | — | (209) 386-1000 | HVAC | Merced · Merced County | — | — |
| Jonathan Tree Services | Jonathan Tree Services | — | (209) 635-7347 | Tree | Merced · Merced County | — | — |
| Jose Hernandez | Jose Hernandez | — | (925) 270 6729 | Other | Winton · Merced County | — | — |
| Jose Santos Gomez Plumbing INC | Jose Santos Gomez | — | (408) 849 7292 | Windows, patio, painters | Los Banos · Merced County | — | — |
| Jr Fence | Jr Fence | jrfence2000@gmail.com | (209) 648 7974 | Windows, patio, painters | Hilmar · Merced County | — | — |
| Jr Tree Work | Jr Tree Work | — | (209) 446 1599 | Other | El Nido · Merced County | — | — |
| Jr's Mfd Home Service | Rigoberto Noel Lua | — | (209) 617 3712 | Other | Atwater · Merced County | — | — |
| Js Electric | Jimmy Smith Ventura Rivas | — | (209) 413 0644 | Electricians | Atwater · Merced County | — | — |
| Js Sheet Metal INC | Jose Salvador Sandoval Mireles | — | (408) 674 6061 | Other | Los Banos · Merced County | — | — |
| Jt Home Solutions | Jake Ryan Grace | — | (209) 535 9804 | GC, remodel, ADU | Hilmar · Merced County | — | — |
| Jt Precision Cabinetry | Jt Precision Cabinetry | — | (408) 843 0507 | Other | Los Banos · Merced County | — | — |
| Juan Aguirre | Juan Aguirre | — | (209) 324 0474 | GC, remodel, ADU | Ballico · Merced County | — | — |
| Julian Peters DBA King Marketing Agency | King Marketing Agency | — | (209) 726 4845 | Other | Merced · Merced County | — | — |
| Just-In-Time Sprinkler Repair And Handy Man Service | Just-In-Time Sprinkler Repair And Handy Man Service | — | (209) 446-3848 | Tree | Merced · Merced County | — | — |
| Justo's Construction | Justo Altamirano Diogenes | justos9070@gmail.com | (209) 769 1007 | GC, remodel, ADU | Merced · Merced County | — | — |
| Jv Heating & Air | Jv Heating & Air | — | (209) 535 5432 | HVAC | Merced · Merced County | — | — |
| K Construction | Martin Eduardo Figueroa | — | (408) 324 4657 | GC, remodel, ADU | Los Banos · Merced County | — | — |
| K&m Welding LLC | Keith Raymond Miscione | kmenterprises1945@gmail.com | (209) 769 7699 | Other | Atwater · Merced County | — | — |
| Kahlon Construction INC | Nachhattar Singh Chandi | — | (209) 600 5900 | GC, remodel, ADU | Merced · Merced County | — | — |
| Kasturi Lal DBA Kainth Construction | Lal Kasturi | — | (209) 756 5219 | GC, remodel, ADU | Merced · Merced County | — | — |
| Kavnex Construction & Engineering | Carlos Alexis Sanchez Mendoza | — | (831) 245 7564 | GC, remodel, ADU | Gustine · Merced County | — | — |
| Kayton Plumbing And Rooter Service | James Christopher Myrtue | — | (209) 348 1778 | Other | Merced · Merced County | — | — |
| Kegle's Custom Farming INC | William Aldemar Kegle | — | (209) 854 6041 | Other | Gustine · Merced County | — | — |
| Keith Hoyt Construction | Keith Stewart Hoyt | — | (209) 658 0869 | GC, remodel, ADU | Merced · Merced County | — | — |
| Keith Mobley | Keith Mobley | — | (209) 277 4343 | Other | Delhi · Merced County | — | — |
| Keith's Tubfixer | Michael Lawrence Keith | — | (209) 358 8636 | Other | Atwater · Merced County | — | — |
| Keller Williams Property Team | Keller Williams Property Team | — | (209) 500-4663 | Property managers | Merced · Merced County | — | — |