| Kalco Seals And Stripes LLC | Justin Matthew Kalbaugh | — | (701) 264 9399 | Other | Shasta Lake · Shasta County | — | — |
| Karl's Construction | Karl Flyod Janulewicz | — | (530) 229 1982 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Keith E Lawhorn | Keith E Lawhorn | — | (530) 335 4477 | Windows, patio, painters | Burney · Shasta County | — | — |
| Keller Dickson Associates | Andy Dru Dickson | — | (530) 547 3716 | Electricians | Palo Cedro · Shasta County | — | — |
| Keller Pool & Spa Service And Repair | James Albert Keller | — | (530) 945 0017 | Pool | Anderson · Shasta County | — | — |
| Kelly And Sons Painting | Nathan Curtis Kelly | — | (530) 474 3844 | Windows, patio, painters | Shingletown · Shasta County | — | — |
| Kelly Construction Co | James Charles Kelly | — | (530) 524 8847 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Kelly Excavation INC | James Charles Kelly | contact@jkellylandscapeexcavation.com | (530) 549 3961 | Other | Redding · Shasta County | — | — |
| Kelly's Construction | Kelly Duaine East | — | (559) 410 2345 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Ken Bible Tile | Ken Bible Tile | — | (530) 524 7819 | Other | Anderson · Shasta County | — | — |
| Ken Bullis Construction | Kenneth Michael Bullis | — | (530) 945 9993 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Ken Silva Masonry INC | Jesse Gale Agner | — | (530) 223 4848 | Other | Redding · Shasta County | — | — |
| Ken's Painting Services | Kenneth John Owens | — | (530) 949 7593 | Windows, patio, painters | Redding · Shasta County | — | — |
| Kennedy Fire Protection | Kennedy Fire Protection | — | (530) 526 6325 | Other | Redding · Shasta County | — | — |
| Kenneth Lloyd | Kenneth Lloyd | — | (530) 356 8694 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Kenneth Vaughn Construction | Kenneth Duaine Vaughn | — | (530) 604 8350 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Kenny Doelker Backhoe Service INC | Jeremy Timothy Doelker | — | (530) 223 6267 | Tree | Palo Cedro · Shasta County | — | — |
| Kenny's Painting | Kenny's Painting | — | (530) 510 0178 | Windows, patio, painters | Cottonwood · Shasta County | — | — |
| Kern Telecom | Kern Telecom | — | (530) 949 8234 | Other | Redding · Shasta County | — | — |
| Kevin Acosta Tile Company | Kevin Thomas Acosta | — | (530) 515 0590 | Other | Palo Cedro · Shasta County | — | — |
| Kevin Mack Construction INC | Kevin Daniel Mack | — | (530) 547 3360 | GC, remodel, ADU | Millville · Shasta County | — | — |
| Kevin Mc Kay Construction | Kevin Lynn Mc Kay | — | (530) 335 4200 | GC, remodel, ADU | Cassel · Shasta County | — | — |
| Kevin Mcdonald Electric | Kevin Brooks Mc Donald | — | (530) 209 1439 | Electricians | Redding · Shasta County | — | — |
| Khris Rulon Construction | Khristopher Robert John Rulon | — | (530) 227 5227 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Kim H Johnson | Kim H Johnson | — | (530) 474 5516 | Other | Shingletown · Shasta County | — | — |
| Kimberling Construction | Victor Bernard Kimberling | — | (530) 524 5397 | GC, remodel, ADU | Palo Cedro · Shasta County | — | — |
| King Construction | Stuart Allen King | — | (530) 941 2160 | GC, remodel, ADU | Redding · Shasta County | — | — |
| King's Total Security INC | Thomas Clifford King | — | (530) 221 7277 | Alarm and generators | Redding · Shasta County | — | — |
| Kings Construction | Steven Lapp King | — | (530) 338 4197 | GC, remodel, ADU | Bella Vista · Shasta County | — | — |
| Kingston Painting | Kingston Painting | — | (530) 339 8663 | Windows, patio, painters | Redding · Shasta County | — | — |
| Kk Landscape Contractor | Kk Landscape Contractor | — | (530) 355 0581 | Windows, patio, painters | Redding · Shasta County | — | — |
| Kkas Construction | Kevin Wayne Stonkey | — | (530) 357 2070 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Kmk Landscape Design LLC | Kathleen Margo Komnenich | info@kmklandscapedesign.com | (509) 990 1065 | Windows, patio, painters | Millville · Shasta County | — | — |
| Knight Construction Of California | William Lawrence Knight | — | (530) 515 2458 | Electricians | Bella Vista · Shasta County | — | — |
| Knightly Construction INC | Christopher Joseph Knightly | — | (650) 222 1100 | GC, remodel, ADU | Bella Vista · Shasta County | — | — |
| Kofford Land Management INC | Gabriel Myrle Kofford | — | (530) 524 5219 | Tree | Redding · Shasta County | — | — |
| Konicek Electric & All Service Electric | Michael Paul Konicek | — | (530) 365 5717 | Electricians | Anderson · Shasta County | — | — |
| Kordell Cabinet Installation | Kordell Cabinet Installation | — | (530) 356 6481 | Other | Redding · Shasta County | — | — |
| Kraft Konstruction | Kraft Konstruction | — | (530) 524 3245 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Kraftwork Industries INC | Richard Julian Jr Kraft | — | (530) 244 4120 | Electricians | Redding · Shasta County | — | — |