| 1 - 877 Quikdry INC | Roger Arnold Christensen | — | (916) 985 8973 | Other | Folsom · Sacramento County | — | — |
| 1 - 888 - 4 - Abatement INC | Neil Dalton Ostrander | — | (916) 231 0090 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| 1 - Adam - 12 Garage Door Service | Adam Scott Hudson | — | (916) 955 1410 | Other | Elk Grove · Sacramento County | — | — |
| 1 A Construction | Kalenyuk Vadim | — | (530) 503 7804 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| 101 Remodeling | Jian Quan Li | — | (916) 648 1388 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| 161 Construction INC | Vitaliy Ivanovich Mikhov | — | (916) 205 0275 | GC, remodel, ADU | North Highlands · Sacramento County | — | — |
| 1A Garage Doors INC | Vadim Kalenyuk | — | (916) 838 8182 | Other | Rancho Cordova · Sacramento County | — | — |
| 1st Choice Construction Services INC | Elvira Plasichuk | — | (916) 952 3226 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| 2 D Max Floor Covering | Joe Max Vallejos | — | (916) 335 3857 | Other | Elverta · Sacramento County | — | — |
| 2 Plumbs Up Plumbing & Remodeling INC | Donald Elmer Iv Ohalloran | — | (916) 345 0489 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| 24 Hr River City Locksmith | 24 Hr River City Locksmith | — | (916) 397 0965 | Other | Sacramento · Sacramento County | — | — |
| 24 Kva Electric INC | Victor Alfonso Rosales | — | (310) 686 0642 | Electricians | Sacramento · Sacramento County | — | — |
| 3 Blind Brothers INC | Chris Alan Newbold | — | (916) 687 1071 | Other | Elk Grove · Sacramento County | — | — |
| 3 D Benchmark Builders INC | Joshua James Robnett | — | (916) 688 3500 | Electricians | Carmichael · Sacramento County | — | — |
| 3 Generations Improvements INC | Kurt Robert Owens | — | (916) 932 2315 | Windows, patio, painters | Folsom · Sacramento County | — | — |
| 3 Pyramid Construction & Renovation Corporation | Attila Kollar | — | (916) 544 8114 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| 3 Rivers Landscaping | Larry Joseph Jr Ruelas | — | (916) 803 7787 | Windows, patio, painters | Sacramento · Sacramento County | — | — |
| 3 Thirteen INC | Cole Ezekiel Kurimay | — | (888) 899 0011 | Other | Sacramento · Sacramento County | — | — |
| 345 Builders LLC | Michael Lee Dawson | — | (209) 993 1948 | GC, remodel, ADU | Galt · Sacramento County | — | — |
| 360 Sewer | Mark Troy Villarin | — | (833) 360 7473 | Other | Folsom · Sacramento County | — | — |
| 360 Utility Construction Services INC | Adrian Sladariu | — | (916) 496 7586 | Electricians | Fair Oaks · Sacramento County | — | — |
| 3B Construction | Gutierrez Gustavo Balderas | — | (916) 955 7703 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| 3D Heating And Air LLC | Donald Victor Williams | — | (916) 820 6500 | HVAC | Sacramento · Sacramento County | — | — |
| 3D Technology Services INC | Jeffrey Paul Thomson | — | (916) 859 9111 | Electricians | Rancho Cordova · Sacramento County | — | — |
| 3ix Construction INC | Peter John Van Der Veen | — | (408) 863 2011 | GC, remodel, ADU | Citrus Heights · Sacramento County | — | — |
| 3js Electric | Jeremy Frederic Thomas-sanchez | — | (916) 599 9791 | Electricians | Elk Grove · Sacramento County | — | — |
| 3M Flooring INC | Jesus Obed Garcia Ruiz | — | (916) 583 4061 | Other | Sacramento · Sacramento County | — | — |
| 3qc INC | James Mitchell Ogden | — | (916) 496 8400 | GC, remodel, ADU | Folsom · Sacramento County | — | — |
| 3sc Electric INC | Samuel Cedric Darilay | — | (408) 505 9517 | Electricians | Sloughhouse · Sacramento County | — | — |
| 4 Corners Construction And Remodeling | Glen Harlen Thomas | — | (916) 912 0923 | GC, remodel, ADU | North Highlands · Sacramento County | — | — |
| 4 D Industries INC | Brian Peter Dongelmans | info@d-industries.com | (209) 745 0500 | HVAC | Galt · Sacramento County | — | — |
| 4 Season Landscape | Thanh Nguyen | — | (916) 621 7801 | Windows, patio, painters | Elk Grove · Sacramento County | — | — |
| 4 Winds Mechanical INC | Cesaer Manuel Garcia | — | (916) 667 4112 | HVAC | Sacramento · Sacramento County | — | — |
| 41 Painting | 41 Painting | — | (916) 595 3422 | Windows, patio, painters | Rancho Cordova · Sacramento County | — | — |
| 4ever Roofing INC | Ever Ernesto Hernandez | — | (916) 800 9962 | Other roofers | Elk Grove · Sacramento County | — | — |
| 4room | Eduard Aleksandrovi Yakovchuk | — | (916) 229 2700 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| 4th Gen Remodeling | Lawrence Anthony Jr Gomez | — | (916) 996 4141 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| 5 - Star Construction | Petru G Verhovetchi | — | (916) 800 5555 | Other | North Highlands · Sacramento County | — | — |
| 5 Rivers Construction | Amit Kumar Sharma | arielle.pennington@riversconstruction.com | (530) 519 7227 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| 5 Star Home Renovations INC | Gumeniuk Daniil | — | (916) 507 4400 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |