| Kd Engineering | Dustin R Rutherford | — | (310) 266 7197 | Other | Simi Valley · Ventura County | — | — |
| Kda Construction INC | Hernandez Abel Hernandez | — | (213) 305 5603 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Kds Painting INC | Santiago Alberto Santiago | — | (805) 853 9031 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Kearns Electric Company | John Edward Collins | — | (805) 484 0015 | Electricians | Camarillo · Ventura County | — | — |
| Keep It Clean Landscape INC | Esquivel Valente Pena | — | (805) 766 1077 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Keith Beley | Keith Beley | — | (805) 797 3377 | Windows, patio, painters | Newbury Park · Ventura County | — | — |
| Keith Ginsburg Electric | Keith Allen Ginsburg | — | (805) 651 0396 | Electricians | Ventura · Ventura County | — | — |
| Keith Heating And Air Conditioning | Keith Heating And Air Conditioning | — | (805) 522 2272 | HVAC | Simi Valley · Ventura County | — | — |
| Keith Mc Reynolds Construction | Keith Joseph Mc Reynolds | — | (805) 368 7234 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Keith Wayne Construction | Keith Wayne Crespi | — | (805) 300 6619 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Kelsey Tile | Kelsey Tile | — | (805) 279 2192 | Other | Thousand Oaks · Ventura County | — | — |
| Ken Forsell Construction | Kenneth Joseph Forsell | kenforsell1@gmail.com | (805) 216 9533 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Ken Hansen Electric | Kenneth Charles Hansen | kenhansenelectric@gmail.com | (805) 338 6811 | Electricians | Thousand Oaks · Ventura County | — | — |
| Ken Kennedy Construction And Engineering | Kenneth James Kennedy | — | (805) 701 1591 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Ken Lemieux | Ken Lemieux | — | (951) 830 2496 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Kendall Sign INC | Linda Lee Kendall | — | (818) 822 4645 | Other | Thousand Oaks · Ventura County | — | — |
| Kendawg Sheetmetal INC | Kenneth Anthony Enales | — | (805) 256 8862 | Other | Ventura · Ventura County | — | — |
| Kenneth Michael Borjas DBA Ken Borjas Painting | Borjas Ken Painting | — | (805) 659 7275 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Kenneth Schultz | Kenneth Schultz | — | (818) 430 7781 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Kenneth Shenberger Plastering INC | Kenneth J Shenberger | — | (805) 526 6582 | Other | Simi Valley · Ventura County | — | — |
| Kenny Saczynski Painting | Kenny Saczynski Painting | — | (805) 404 8297 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Kent Christian | Kent Christian | — | (805) 953 4067 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Kent Truman Construction | Kent Russell Truman | — | (805) 341 0296 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Kenyon Harman Construction INC | Kenyon Blaine Harman | — | (805) 579 8582 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Kerry Miller Designer / Builder INC | Kerry Wolens Miller | — | (805) 640 0262 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Kestrel Electric | Ira Edward Rubinson | irarubinson@yahoo.com | (805) 551 8870 | Electricians | Port Hueneme · Ventura County | — | — |
| Kevco Construction INC | Vagan Ovalyan | kevco@kevco-construction.com | (812) 284-1641 | Electricians | Simi Valley · Ventura County | — | — |
| Kevin Fiske Construction | Kevin Lee Fiske | — | (949) 254 3536 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Kevin Hoeltzel Home Improvements | Kevin Hoeltzel Home Improvements | — | (805) 952 5162 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Kevin Konzmann | Kevin Konzmann | — | (805) 223 1888 | Electricians | Somis · Ventura County | — | — |
| Kevin Lampson | Kevin Lampson | — | (805) 584 3598 | Other | Simi Valley · Ventura County | — | — |
| Kevin Marsden | Kevin Marsden | — | (805) 338 0364 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Kevin Persons INC DBA Grounds Maintenance Services | Sarah Dawn Corbin | — | (805) 498 9495 | Windows, patio, painters | Westlake Village · Ventura County | — | — |
| Kevin S Roach General Contractor | Kevin S Roach General Contractor | — | (805) 499 9907 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Kevin St Joseph Flooring | Kevin St Joseph Flooring | — | (805) 794 5378 | Other | Oak View · Ventura County | — | — |
| Kevin Taylor | Kevin Taylor | — | (805) 236 3955 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Kevin Wagner Floors | Kevin Wagner Floors | — | (805) 432 5642 | Other | Simi Valley · Ventura County | — | — |
| Kevin's Pool & Spa | Kevin's Pool & Spa | — | (805) 443 1923 | Pool | Camarillo · Ventura County | — | — |
| Keystone Company The | Leon Charles Bidlow | info@keystone.com | (805) 453 3967 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Keystone General Construction Co | Jon David Zwirn | — | (818) 398 5511 | GC, remodel, ADU | Moorpark · Ventura County | — | — |