| Kate Mccaffrey Group | Real Estate Agent | Compass | Dre 01355206 | Alameda Oakland San Leandro | Kate Mccaffrey Group | Real Estate Agent | Compass | Dre 01355206 | Alameda Oakland San Leandro | — | (510) 522-5223 | Property managers | Alameda · Alameda County | — | — |
| Katoa Concrete | Katoa Concrete | impallari@gmail.com | (510) 560 0590 | Other | Oakland · Alameda County | — | — |
| Katsura Landscaping | Katsura Landscaping | — | (510) 828 4854 | Windows, patio, painters | Berkeley · Alameda County | — | — |
| Katz Construction | Jeffrey Lee Katz | office@katzconstruction.com | (510) 693 5287 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Kayak Tile & Stone INC | Joshua Paul Meza | — | (760) 443 5664 | Other | Livermore · Alameda County | — | — |
| Kb Brother Construction INC | Yuqi Tian | — | (510) 953 8909 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Kbeck Plumbing & Heating INC | Thomas Edward Klingenbeck | — | (510) 481 1985 | HVAC | Hayward · Alameda County | — | — |
| Kbl Builds | Kbl Builds | — | (510) 816 9765 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Kc Construction | Kevin Paul Cronk | — | (925) 980 9744 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| Kc Construction Group INC | Peter Qi Qiao Choy | — | (415) 988 2861 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Kc General Construction | Sen Jun Chen | — | (315) 214 1235 | GC, remodel, ADU | Newark · Alameda County | — | — |
| Kc Lee Construction | Kar Chun Lee | — | (510) 798 1997 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| Kc Paving INC | Jesus Roberto Castaneda | — | (650) 365 5520 | Other | Newark · Alameda County | — | — |
| Kci | Erami Ali Reza | — | (510) 277 2326 | HVAC | Oakland · Alameda County | — | — |
| Ke Qiang Ding | Ke Qiang Ding | — | (510) 676 7853 | Electricians | Fremont · Alameda County | — | — |
| Ke-n-ix Electric INC | Kenneth Micheal Gallegos | — | (925) 487 9697 | Electricians | Livermore · Alameda County | — | — |
| Kealey Electric Company | Daniel Patrick Kealey | — | (510) 334 5529 | Electricians | Berkeley · Alameda County | — | — |
| Keating Construction | Edward Townsend Keating | interested@domainmarket.com | (510) 207 8565 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Keene Builders INC | Leanore Walsh Shikuma | — | (510) 525 6132 | Electricians | Berkeley · Alameda County | — | — |
| Keeney's Electric | Carl Edgar Keeney | — | (925) 997 5714 | Electricians | Dublin · Alameda County | — | — |
| Keep It Powered Electric | Christopher Miles Hardwick | — | (510) 507 6335 | Electricians | Albany · Alameda County | — | — |
| Keeper General Construction | Mendoza Martin Benjamin | — | (510) 424 1209 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Keeyla Meadows Gardens And Art | Keeyla Meadows Gardens And Art | — | (510) 292 5599 | Windows, patio, painters | Albany · Alameda County | — | — |
| Keith Adams Construction | Keith Bradley Adams | — | (510) 468 4825 | GC, remodel, ADU | Newark · Alameda County | — | — |
| Keith Construction | Christopher Allen Keith | — | (510) 912 1858 | GC, remodel, ADU | San Lorenzo · Alameda County | — | — |
| Keith Howard | Keith Howard | — | (831) 359 7483 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| Keith R Berry | Keith R Berry | — | (510) 984 0588 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Keith Weber Co LLC | Keith Lawrence Weber | — | (510) 794 6708 | Other roofers | Fremont · Alameda County | — | — |
| Kell Mechanical Heating And Air Conditioning INC | Robert Anthony Jr Lopez | — | (925) 245 9800 | HVAC | Livermore · Alameda County | — | — |
| Kelleher Plumbing | Kelleher Plumbing | — | (510) 798 3047 | Other | Oakland · Alameda County | — | — |
| Kelly Huska Contracting | Kelly Marvin Huska | — | (510) 917 5699 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Kelly-son & Associates | Venson Joseph Kelly | — | (925) 548 6347 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Ken A Rose | Ken A Rose | — | (510) 325 6332 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Ken Builder | Ken Builder | — | (510) 541 1977 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| Ken Campbell | Ken Campbell | — | (510) 714 3227 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Ken Choi | Ken Choi | — | (925) 395 7552 | Windows, patio, painters | Dublin · Alameda County | — | — |
| Ken Guttery Painting | Ken Guttery Painting | — | (510) 520 0527 | Windows, patio, painters | Fremont · Alameda County | — | — |
| Ken Jara Plumbing | Ken Jara Plumbing | — | (510) 482 5592 | Other | Oakland · Alameda County | — | — |
| Ken Johnston Construction | Kenneth Kevin Johnston | — | (510) 473 5737 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Ken Lin Construction INC | Shu Hui Huang | — | (408) 872 2898 | GC, remodel, ADU | San Leandro · Alameda County | — | — |