| Kaestner Construction | Patrick Andrew Kaestner | — | (916) 677 7622 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Kal Construction | Kirk Allen Lovejoy | — | (530) 878 2818 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Kalua Construction | John Kanamu Ii Kalua | — | (916) 893 1808 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Kam Construction | Samuel Sam Kambur | — | (916) 710 9431 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Kanaan Engineering | Kanaan Engineering | — | (916) 390 0294 | Other | Roseville · Placer County | — | — |
| Kandy Tile INC | Tarah Kandy Clark | — | (916) 467 3177 | Other | Roseville · Placer County | — | — |
| Kane Fire Protection | Kane Fire Protection | — | (916) 741 8926 | Other | Rocklin · Placer County | — | — |
| Karl M Barker | Karl M Barker | — | (530) 412 0462 | GC, remodel, ADU | Carnelian Bay · Placer County | — | — |
| Karl Rau | Karl Rau | — | (916) 759 7586 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Kasey Root Construction | Kasey Robert Root | — | (408) 621 6981 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Kastle & Co Construction | Edward Edwin Garbuzov | — | (916) 220 5225 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Kb Construction | Shukri Ernest Elbatarseh | — | (916) 296 1558 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Kd Construction | Drake Landon Kovaly | — | (916) 798 0225 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Keegan H2o | Keegan H2o | — | (916) 524 4774 | Pool | Roseville · Placer County | — | — |
| Keehley Construction INC DBA Mk Construction | Michael Edward Keehley | — | (916) 768 2659 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Keepin' It Focused | Keepin' It Focused | — | (707) 888 2111 | Other | Alta · Placer County | — | — |
| Keith's Custom Tile | Keith's Custom Tile | — | (916) 425 2774 | Other | Roseville · Placer County | — | — |
| Kel-mar Masonry INC | Kenneth Franklin Kelsey | — | (916) 768 7602 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Keller Construction Company INC | Nathan Darcy Keller | resumes@kellerconstruction.com | (916) 259 3204 | Other | Granite Bay · Placer County | — | — |
| Kellogg Construction | Kenneth Michael Sr Kellogg | info@kellogg-construction.com | (916) 771 0869 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Ken Beatty Painting | Ken Beatty Painting | bubbeatty@gmail.com | (530) 367 3950 | Windows, patio, painters | Foresthill · Placer County | — | — |
| Ken Cosmo | Ken Cosmo | — | (530) 367 2954 | GC, remodel, ADU | Foresthill · Placer County | — | — |
| Ken Hansen General Contractor | Ken Hansen General Contractor | — | (916) 580 4302 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Ken Holway Contracting | Kenneth James Holway | — | (916) 919 5841 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Ken Maas Construction | Maas Ken Constuction | — | (916) 425 6776 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Ken Nunn | Ken Nunn | — | (916) 741 2835 | Electricians | Rocklin · Placer County | — | — |
| Ken Rector Construction | Ken Robert Rector | — | (530) 305 1924 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Ken Roughton | Ken Roughton | — | (916) 812 1742 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Ken Saling Masonry | Ken Saling Masonry | — | (775) 690-6510 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Ken Tofft Construction | Kenichi Sr Tofft | — | (916) 216 7246 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Ken Volz Const | Ken Volz Const | — | (530) 362 0160 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Ken's Tile INC | Kenton Douglas Entz | — | (530) 823 2554 | Other | Auburn · Placer County | — | — |
| Kendall's Home Repair | Kendall's Home Repair | — | (530) 305 6018 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Kendrick Boiler Works INC | Gregory Anthony Kendrick | — | (530) 823 3860 | HVAC | Newcastle · Placer County | — | — |
| Kendrick Energy Efficient Heating & Air | Jordan Allan Kendrick | — | (916) 252 4822 | HVAC | Rocklin · Placer County | — | — |
| Kendrick Mechanical LLC | Joshua Charles Kendrick | — | (916) 742 8590 | HVAC | Applegate · Placer County | — | — |
| Kendrick Mechanical Services INC | Jerry Allan Kendrick | — | (916) 251 6827 | HVAC | Loomis · Placer County | — | — |
| Kennedy Lock & Key | Kennedy Lock & Key | — | (916) 806 9500 | Other | Rocklin · Placer County | — | — |
| Kenneth Eugene Taylor | Kenneth Eugene Taylor | — | (916) 847 7566 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Kenneth Foster | Kenneth Foster | — | (916) 947 6373 | Other | Rocklin · Placer County | — | — |