| Khurram Iqbal | Khurram Iqbal | — | (408) 345 5862 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Kiland | Kaveheian Mehdi | — | (408) 213 0996 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kilik General Engineering INC | Eric Alan Kilik | — | (408) 298 0111 | Other | San Jose · Santa Clara County | — | — |
| Kimona Construction | Hormoz Hacoubi Esmaeilian | — | (408) 464 5942 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kin Construction LLC | Lee Ghee Chng | — | (408) 888 7431 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| King Doors | King Doors | — | (669) 239 9049 | Other | Gilroy · Santa Clara County | — | — |
| King George Roofing | Sanchez Loranca Jorge | kinggeorgeroofingcompany@gmail.com | (408) 797-5718 | Other roofers | San Jose · Santa Clara County | — | — |
| King Grading | King Grading | — | (408) 640 9843 | Other | Morgan Hill · Santa Clara County | — | — |
| King Kong Plumbing | Joseph Thinh Do | — | (408) 667 4471 | Other | San Jose · Santa Clara County | — | — |
| King Price Heating And Cooling | Jesus Abraham Leal Arechiga | — | (650) 248 9092 | HVAC | East Palo Alto · Santa Clara County | — | — |
| King Roofing Repairs | King Roofing Repairs | — | (408) 883-0454 | Other roofers | Santa Clara · Santa Clara County | — | — |
| King's Excavation & Construction LLC | Ian Zachary Olson | — | (971) 453 3001 | Other | Morgan Hill · Santa Clara County | — | — |
| Kingdom Plumbing INC | Alberto Avila-Ibarra | — | (408) 921 1240 | Other | San Jose · Santa Clara County | — | — |
| Kingsley Construction | Marco A Vazmendes | — | (408) 427 5419 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kip's Kustom Homes | Kip's Kustom Homes | — | (412) 636 4996 | GC, remodel, ADU | San Martin · Santa Clara County | — | — |
| Kirk Armstrong Landscapes | Kirk Armstrong Landscapes | — | (408) 315 1470 | Windows, patio, painters | Los Gatos · Santa Clara County | — | — |
| Kita Construction Group LLC | Bryan Buwon Kang | — | (888) 787 8575 | Other roofers | Santa Clara · Santa Clara County | — | — |
| Kitchen Concepts LLC | Travis Colby Roth | — | (408) 904 9467 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kitchen Masters | Kitchen Masters | — | (408) 997 8848 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kizer Electric | Rodriguez Eric | — | (831) 319 2678 | Electricians | San Jose · Santa Clara County | — | — |
| Kj Home Builders INC | Kevin Jacob | — | (408) 315 7234 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kj's Garage Door Repair LLC | Kyle James Sisco | — | (408) 389 8750 | Other | San Jose · Santa Clara County | — | — |
| Kjl Construction Group | Kurt J Lechner | — | (408) 799 1978 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kk Construction | Konefal Krystian | — | (408) 478 5064 | Electricians | San Jose · Santa Clara County | — | — |
| Klauser Pool And Spa | Mark Jonathan Klauser | — | (408) 377 4388 | Electricians | Campbell · Santa Clara County | — | — |
| Kley Construction LLC | Colton Daniel Kley | — | (801) 510 9343 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Kma Concrete Coatings INC | Anthony Raymond Foster | — | (669) 237 8847 | Other | San Jose · Santa Clara County | — | — |
| Kn Construction | Richy Tai Tran | — | (408) 512 0411 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Knockout Plumbing & Repipe INC | Gonzalez Edgar Ramirez | — | (408) 874 5184 | Other | San Jose · Santa Clara County | — | — |
| Knowledge Garage Doors LLC | John Darryl Repunte | — | (408) 702-9210 | Other | San Jose · Santa Clara County | — | — |
| Knowles Pipeworks And Plumbing Corp | Richard Alexander Knowles | — | (916) 990 2888 | Other | San Jose · Santa Clara County | — | — |
| Ko-am Flooring INC | Yong Ki Min | — | (408) 206 1750 | Other | San Jose · Santa Clara County | — | — |
| Koala Tree Care | Koala Tree Care | — | (831) 239 7023 | Tree | Los Gatos · Santa Clara County | — | — |
| Koenig Daniel J | Koenig Daniel J | — | (408) 605 9864 | GC, remodel, ADU | San Martin · Santa Clara County | — | — |
| Kokinos Builders | Kokinos Builders | — | (408) 858 3586 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Koko Construction INC | Kornel Viktor Kovacs | — | (650) 218 1672 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Kolchin Construction | Aleksandr Kolchin | — | (669) 272 0099 | Electricians | Los Gatos · Santa Clara County | — | — |
| Komfy Cozy Heating & Air | Komfy Cozy Heating & Air | — | (408) 268 8924 | HVAC | Coyote · Santa Clara County | — | — |
| Kontrol System Integrator | Kontrol System Integrator | — | (408) 914 8204 | HVAC | San Jose · Santa Clara County | — | — |
| Kore Integrations INC | Armando Antonio Bonilla | — | (888) 588 5538 | Other | Morgan Hill · Santa Clara County | — | — |