| Unique Design Homes | Unique Design Homes | — | (916) 300 5739 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Unique Power Solutions | Unique Power Solutions | — | (916) 917 8855 | Electricians | Roseville · Placer County | — | — |
| Unique Power Solutions LLC | James Lee Schafer | — | (916) 917 8855 | Electricians | Roseville · Placer County | — | — |
| Unique Touch Home Improvements | Unique Touch Home Improvements | — | (408) 477 5153 | GC, remodel, ADU | Roseville · Placer County | — | — |
| United Climate Control | United Climate Control | contact@unitedclimatecontrol.com | (916) 953-0411 | HVAC | Auburn · Placer County | — | — |
| United Landscape | Andrew Luis Rivera | — | (916) 969 9701 | Windows, patio, painters | Roseville · Placer County | — | — |
| United Power & Communication INC | John William Burns | — | (916) 768 7130 | Electricians | Newcastle · Placer County | — | — |
| United Services | George Glenn Plushanski | — | (916) 224 8300 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Universal Building | Universal Building | — | (916) 826 2796 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Universal Heating And Air Conditioning | Universal Heating And Air Conditioning | — | (916) 741 9829 | HVAC | Penryn · Placer County | — | — |
| Universal Plastics INC | Lisa Marie Tullgren | — | (916) 787 0541 | Other | Roseville · Placer County | — | — |
| Universal Security Products INC | Suzanne Denise Meckes | — | (510) 785 8222 | Windows, patio, painters | Newcastle · Placer County | — | — |
| Unrivaled Security Technology LLC | Brian Eduardo Robles | brian@unrivaledsecuritytechnology.com | (650) 810 6815 | Alarm and generators | Roseville · Placer County | — | — |
| Unruh Construction | Peter Jay Jr Unruh | — | (530) 718 6219 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Upright Mechanical | Upright Mechanical | — | (916) 904 9787 | HVAC | Rocklin · Placer County | — | — |
| Upstate Roofing LLC | Rodriguez Omar | — | (916) 844 9044 | Other roofers | Roseville · Placer County | — | — |
| Urban Brick Company | Matthew Taylor Drizen | — | (916) 472 1709 | Other | Granite Bay · Placer County | — | — |
| Urban Electrical Company | Kevin Michael Velichko | — | (650) 740 4463 | Electricians | Granite Bay · Placer County | — | — |
| Urban Redwood Builders | Amr Mohamed Higgy | — | (650) 369 1100 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Urban Republic Homes | Urban Republic Homes | info@urbanrepublichomes.com | (916) 804 3701 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Urban Tile Co LLC | Anthony David Kabardin | — | (916) 276 8705 | Other | Rocklin · Placer County | — | — |
| Urke Contracting Enterprise | David Jonathan Urke | — | (916) 398 0099 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Usa Properties Fund INC | Royce Leslie Sanders | interested@domainmarket.com | (916) 773 6060 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Uva Mechanical | Uva Mechanical | — | (916) 524 1117 | HVAC | Lincoln · Placer County | — | — |
| V & L Flooring | V & L Flooring | — | (916) 803 7511 | Other | Roseville · Placer County | — | — |
| V & L Painting | Lisa Ellen Brown | — | (916) 791 0656 | Windows, patio, painters | Lincoln · Placer County | — | — |
| V B Construction | Vincent Leigh Baldridge | — | (530) 448 2110 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| V B Landscaping And Design | V B Landscaping And Design | — | (916) 945 6156 | Windows, patio, painters | Granite Bay · Placer County | — | — |
| V M Plumbing | Victor Michael Mundy | — | (916) 708 6958 | Other | Roseville · Placer County | — | — |
| V S Construction | Schweizer Valery | — | (650) 703 9543 | Other | Loomis · Placer County | — | — |
| V S I | Michael John Zaslove | — | (916) 275 2203 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| V Shock Electric | Joshua Stephen Vogelsang | — | (916) 871 3918 | Electricians | Lincoln · Placer County | — | — |
| V-power Equipment INC | Sherry Lynn Montoya | sales@vpowerequipment.com | (916) 266 6743 | Electricians | Granite Bay · Placer County | — | — |
| Vaccaro's Plumbing | Vaccaro's Plumbing | — | (916) 871 7975 | Other | Rocklin · Placer County | — | — |
| Vadim Bitev | Vadim Bitev | — | (916) 239 8741 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Valence-electric INC | Jared Nathan Thomas | service@valence-electric.com | (916) 769 3294 | Electricians | Roseville · Placer County | — | — |
| Valiant Plumbing | Valiant Plumbing | — | (916) 474 0091 | Other | Roseville · Placer County | — | — |
| Valkyrie Construction | Christine Fletcher-Stone | — | (916) 417 3213 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Vallance Painting INC | Jeff Wade Vallance | — | (530) 412 4251 | Windows, patio, painters | Tahoe City · Placer County | — | — |
| Valley Backflow And Plumbing INC | Jared William Davis | — | (530) 300 2774 | Other | Granite Bay · Placer County | — | — |