| Kidd Building And Remodeling | Eugene Layeffette Mewborn | — | (818) 634 1275 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Kidd Co Door And Glass | Gary Lee Conner | — | (805) 302 8692 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Kiddie Electric LLC | Daniel Patrick Kiddie | — | (805) 701 1233 | Electricians | Ojai · Ventura County | — | — |
| Kika Woodworks | Kika Woodworks | — | (818) 888 5499 | Other | Simi Valley · Ventura County | — | — |
| Kika Woodworks INC | Richard Perdomo | — | (818) 888 5499 | Other | Simi Valley · Ventura County | — | — |
| Kiki's Garage Door Company | Ramirez Enrique | — | (805) 794 0981 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Kilbane Electrical Services | Justin Robert Kilbane | — | (818) 661 0398 | Electricians | Thousand Oaks · Ventura County | — | — |
| Kilby Construction | James David Kilby | — | (818) 612 4975 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Kim S Abundo | Kim S Abundo | — | (805) 444 6926 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Kimball Haslam | Kimball Haslam | — | (818) 395 9313 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Kinetic Mechinery | Andrew Steven Oleksik | — | (805) 630 9284 | Other | Camarillo · Ventura County | — | — |
| King Electric | Robert Christopher King | — | (805) 579 8282 | Electricians | Simi Valley · Ventura County | — | — |
| King Ranch Construction INC | Victor Manuel Baeza | — | (805) 889 8804 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Kingsconstruction & Sons INC | Timothy Ericdeo King | — | (805) 665 7667 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Kirk Hoffman Construction General Contractor | Kirk S Hoffman | — | (805) 985 7441 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Kirk Olivas Pools | Kirk Olivas Pools | — | (805) 526 2343 | Pool | Simi Valley · Ventura County | — | — |
| Kirsch Electric | William Wesley Kirsch | — | (805) 906 0302 | Electricians | Newbury Park · Ventura County | — | — |
| Kish Rigging INC | Joshua Lee Doane | — | (805) 532 1300 | Other | Moorpark · Ventura County | — | — |
| Kistler Construction | John Allen Kistler | john@kistlerconstruction.com | (805) 824 4304 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Kitchen Galleria INC | Robert Timothy Bohning | — | (818) 879 7000 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Kitchen Places INC | Jeffrey Jon King | — | (805) 658 0440 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Kitchens Etc Of Ventura County INC | Danielle Michelle Borrelli | — | (805) 527 0727 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Kivlen Plumbing | Kivlen Plumbing | — | (805) 208 8488 | Other | Simi Valley · Ventura County | — | — |
| Kiwitts General Building Contractor | Kiwitts General Building Contractor | — | (805) 986 4882 | GC, remodel, ADU | Somis · Ventura County | — | — |
| Kjj Pro Painting Construction INC | Ramirez Jesus Enriquez | — | (805) 760 3776 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Kjs Landscape | Kevin Jesus Sanchez | — | (805) 509 3509 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Kleer Water Plumbing INC | Nessan Michael Leahy | — | (805) 746 4341 | Other | Ventura · Ventura County | — | — |
| Klein Buliders INC | Patrick John Klein | — | (818) 451 7510 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Klein Electric & Construction | Ray Vincent Jr Klein | — | (805) 402 4031 | Electricians | Newbury Park · Ventura County | — | — |
| Kling Family Construction | Kling Corey | — | (805) 501 0080 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Km Apex INC | Michon Kelly | — | (805) 643 2121 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Km Electric Corporation | Kevin Sean Martin | — | (805) 526 0033 | Electricians | Simi Valley · Ventura County | — | — |
| Kms Builds INC | Kraig Mitchell Scott | — | (805) 830 3974 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Knight Construction Building Specialists INC | Michael William Knight | — | (805) 732 9818 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Knock On Wood Construction Co | Tom Barnett Wood | amkryukov@gmail.com | (805) 890 0537 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Koast Company INC | Katty Molina | — | (818) 233 7670 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Kobo Construction | Kody Michael Koboski | — | (805) 827 4447 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Kodiak Construction | Damon Joseph Martinez | — | (805) 987 0700 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Kodiak Construction INC | Damon Joseph Martinez | — | (805) 987 0700 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Kolor Ama Coatings | Kolor Ama Coatings | — | (805) 620 2729 | Windows, patio, painters | Oxnard · Ventura County | — | — |