| Kent Hesselgrave | Kent Hesselgrave | — | (951) 640 8542 | HVAC | Riverside · Riverside County | — | — |
| Kent Plumbing Company | Ralph Kent Williams | — | (951) 926 8400 | Other | Winchester · Riverside County | — | — |
| Kenyon Electric | David Steven Kenyon | — | (909) 542 4351 | Electricians | Idyllwild · Riverside County | — | — |
| Kermit Larby Air Conditioning & Sheet Metal INC DBA Kermit Larby | Cole Mathew Larby | — | (760) 345 5519 | HVAC | Palm Desert · Riverside County | — | — |
| Kerry Olson Construction | Kerry John Olson | — | (760) 485 5761 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Kevin Burleson Painting | Kevin Burleson Painting | — | (951) 766 2910 | Windows, patio, painters | Hemet · Riverside County | — | — |
| Kevin Channell Painting | Kevin Channell Painting | — | (951) 663 1831 | Windows, patio, painters | Hemet · Riverside County | — | — |
| Kevin Drake | Kevin Drake | — | (951) 763 0802 | Other | Aguanga · Riverside County | — | — |
| Kevin Farmer Construction | Farmer Kevin | — | (760) 469 7057 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Kevin Frazer Construction INC | Kevin Dudley Frazer | — | (951) 565 6627 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Kevin John Smith DBA Rideout Electric | Kevin John Smith | — | (760) 728 6834 | Electricians | Temecula · Riverside County | — | — |
| Kevin Kelly Thorson Construction | Kevin Kelly Thorson | — | (909) 795 7077 | GC, remodel, ADU | Cabazon · Riverside County | — | — |
| Kevin Ky Ane | Kevin Ky Ane | — | (562) 405 0301 | GC, remodel, ADU | Beaumont · Riverside County | — | — |
| Kevin Lee Schuder Sr | Kevin Lee Schuder Sr | — | (909) 208 1967 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Kevin Luzzi DBA A Fast Plumbing & Drain | A Fast Plumbing & Drain | — | (951) 654 6554 | GC, remodel, ADU | San Jacinto · Riverside County | — | — |
| Kevin Matthew Paugh | Kevin Matthew Paugh | — | (951) 735 1749 | HVAC | Norco · Riverside County | — | — |
| Kevin R Zodnik Drywall Service | Kevin Richard Zodnik | — | (951) 346 8859 | Other | Canyon Lake · Riverside County | — | — |
| Kevin Ray Bendon | Kevin Ray Bendon | — | (760) 447 4020 | GC, remodel, ADU | Blythe · Riverside County | — | — |
| Kevin Walker Brophy | Kevin Walker Brophy | — | (951) 640 3339 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Kevin Williams | Kevin Williams | — | (951) 682 0683 | Other | Riverside · Riverside County | — | — |
| Kevin Wolf Construction | Kevin Robert Wolf | — | (951) 321 3333 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Kewalo Palms Construction INC | Michael Kwock Hin Wong | — | (760) 832 0076 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Kewo Engineering Corporation | Brian Bosco Kewo | — | (646) 450 5396 | Electricians | Eastvale · Riverside County | — | — |
| Key Carpets | Key Carpets | — | (951) 686 1931 | Other | Riverside · Riverside County | — | — |
| Key Landscape | Key Landscape | — | (951) 399 1972 | Windows, patio, painters | Beaumont · Riverside County | — | — |
| Key Property Inspection Group | Key Property Inspection Group | info@keypropertyinspectiongroup.com | (951) 818-8161 | Inspectors | Riverside · Riverside County | — | — |
| Keyrose Plumbing And Rooter | Keyrose Plumbing And Rooter | — | (951) 453 8701 | Other | Lake Elsinore · Riverside County | — | — |
| Kg Air INC | Kevin Assael Gomez | — | (909) 732 0101 | HVAC | Jurupa Valley · Riverside County | — | — |
| Kge Energy Solutions INC | Kevin Garcia Estanislao | kgeenergysolutions@gmail.com | (951) 663 1174 | Electricians | Hemet · Riverside County | — | — |
| Kgel Steel INC | Ricardo Perez | — | (951) 776 4768 | Electricians | Riverside · Riverside County | — | — |
| Kgg Concrete INC DBA Kgg Concrete Construction | Gavin James Wakefield | — | (951) 200 5758 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Kh Home Pro Solutions | Kevin Francisco Hernandez Maldonado | — | (951) 380 1238 | GC, remodel, ADU | Idyllwild · Riverside County | — | — |
| Khan Construction Co | Khan Sarfaraz | info@khanconstruction.com | (626) 922 9105 | Other roofers | Jurupa Valley · Riverside County | — | — |
| Khanh Construction Company | Khanh Quoc Tran | — | (951) 544 4603 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Khx Construction INC | Soto Hector | — | (951) 513 4885 | Other | Hemet · Riverside County | — | — |
| Ki Hwan Oh | Ki Hwan Oh | — | (951) 505 1010 | Windows, patio, painters | Banning · Riverside County | — | — |
| Kib Painting INC | Keith Ivan Burleigh | — | (760) 777 8800 | Windows, patio, painters | La Quinta · Riverside County | — | — |
| Kid At Play INC | Jason Joseph Montoya | — | (909) 556 8490 | Other | Moreno Valley · Riverside County | — | — |
| Kid Construction INC | Kaleb Ian Dale | — | (951) 217 4256 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Kiko Communications | Kiko Communications | — | (951) 712 7332 | Other | Homeland · Riverside County | — | — |