| 5 Star General Construction | Warren Frederick Jr Smith | — | (909) 720 8482 | GC, remodel, ADU | Norco · Riverside County | — | — |
| 5 Star Heating & Cooling | 5 Star Heating & Cooling | — | (562) 618 3410 | HVAC | Paramount · Los Angeles County | — | — |
| 5 Star Home Renovations INC | Gumeniuk Daniil | — | (916) 507 4400 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| 5 Star Improvement And Repair Services | Sadeghian Arash | — | (951) 236 8804 | GC, remodel, ADU | Rancho Santa Margarita · Orange County | — | — |
| 5 Star Low Volt LLC | Mauricio Lemus Franco | — | (805) 407 4715 | Other | Santa Paula · Ventura County | — | — |
| 5 Star Mechanical INC | Aleksei Geringer | — | (619) 766 5520 | HVAC | San Diego · San Diego County | — | — |
| 5 Star Perez Development INC | Walter Antonio Perez | — | (408) 594 0686 | GC, remodel, ADU | Pomona · Los Angeles County | — | — |
| 5 Star Pipes | 5 Star Pipes | — | (415) 405 5067 | Other | San Francisco · San Francisco County | — | — |
| 5 Star Plumbing & Rooter | Saul Jr Padilla | — | (415) 410 4420 | GC, remodel, ADU | San Francisco · San Francisco County | — | — |
| 5 Star Plumbing Heating & Air Cond | James Ray Mitchell | — | (831) 722 8300 | HVAC | Los Banos · Merced County | — | — |
| 5 Star Plumbing Heating & Air INC | Gabriel Gilbert Reyes | — | (951) 392 2319 | HVAC | Hemet · Riverside County | — | — |
| 5 Star Plumbing LLC | Fernando Jr Sanchez | — | (909) 841 1057 | Other | Colton · San Bernardino County | — | — |
| 5 Star Pool Plaster INC | Luz Maria Munoz | — | (925) 606 1812 | Pool | Modesto · Stanislaus County | — | — |
| 5 Star Remodeling INC | Alfredo Barcenas | — | (858) 790 8788 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| 5 Star Roofing | John Harry Davido | — | (714) 791 6369 | Other roofers | Corona · Riverside County | — | — |
| 5 Star Roofing INC | Jose Manuel Jauregui | — | (619) 210 3657 | Other roofers | Murrieta · Riverside County | — | — |
| 5 Star Roofing LLC | Michael James Andrew Sperling | — | (916) 474 4531 | Other roofers | Rocklin · Placer County | — | — |
| 5 Star Tree & Landscape | 5 Star Tree & Landscape | — | (925) 260 8901 | Windows, patio, painters | Walnut Creek · Contra Costa County | — | — |
| 5 Star Tree Service INC | Erika Maria Castro | — | (818) 480 2130 | Other | Pomona · Los Angeles County | — | — |
| 5 Star Via All Star Fire Protection | Zebarjadi Farhad | — | (415) 596 0410 | Other | Novato · Marin County | — | — |
| 5 Stars Flooring Installers INC | Albino Jose Garcia | — | (562) 612 8013 | Other | Cypress · Orange County | — | — |
| 5 Stars Garage Door And Gate INC | Amor Assaf | — | (888) 500 0575 | Other | North Hollywood · Los Angeles County | — | — |
| 5 Stars Painting | 5 Stars Painting | — | (415) 419 4724 | Windows, patio, painters | San Anselmo · Marin County | — | — |
| 5 Stars Painting INC | Nimrod Jacob Oxtecan | — | (707) 813 2077 | Windows, patio, painters | Fort Bragg · Mendocino County | — | — |
| 5 Stars Plumbing | Drusha Levy | — | (310) 709 6156 | GC, remodel, ADU | Woodland Hills · Los Angeles County | — | — |
| 5 Stars Plumbing & Sewer | 5 Stars Plumbing & Sewer | — | (510) 220 8859 | Other | Bloomington · San Bernardino County | — | — |
| 5 Stars Remodeling & Construction INC | Edgar Enrique Vasquez | — | (818) 614 1199 | GC, remodel, ADU | Reseda · Los Angeles County | — | — |
| 5 Year Fire Protection | 5 Year Fire Protection | — | (916) 968 6956 | Other | Sacramento · Sacramento County | — | — |
| 5 Zero INC | Vivian M Liu | — | (909) 598 5598 | GC, remodel, ADU | Diamond Bar · Los Angeles County | — | — |
| 5-18 Synthetic Products | Ezequiel Resendiz | — | (760) 594 4301 | Other | Vista · San Diego County | — | — |
| 5-year Plan LLC | Jose Estephano Heim | — | (415) 602 4837 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| 50 Stars Flooring | 50 Stars Flooring | — | (916) 807 9738 | Other | Sacramento · Sacramento County | — | — |
| 50 Walls | Konstantin Kurilovskiy | — | (916) 738 1179 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| 500 Elite Builders LLC | Sornphet Jantharid | — | (510) 599 2102 | GC, remodel, ADU | Brentwood · Contra Costa County | — | — |
| 501 Plumbing | 501 Plumbing | — | (323) 470 1917 | Other | Commerce · Los Angeles County | — | — |
| 501 Remodeling | 501 Remodeling | — | (323) 470 1937 | GC, remodel, ADU | Commerce · Los Angeles County | — | — |
| 502 Concrete INC | Elvis Udeni Navarro Paz | — | (949) 278 1254 | Other | Mission Viejo · Orange County | — | — |
| 502 Electric INC | Luis Miguel Lopez Castillo | — | (310) 936 4664 | Electricians | Compton · Los Angeles County | — | — |
| 502 Framing INC | Menfil Eliud Gonzales Santos | — | (818) 849 1654 | Other | Winnetka · Los Angeles County | — | — |
| 503 Zone Construction INC | Miguel Enrique Mendez Barrera | — | (323) 603 7976 | GC, remodel, ADU | Valley Glen · Los Angeles County | — | — |