| Business | Phone |
| Advantage Realty 3205 Whipple Rd, Union City 94587 | (510) 429-4800 |
| American Investments 34697 Alvarado Niles Rd, Union City 94587 | (510) 487-8006 |
| Americana Realty Union City 94587 | (510) 487-4372 |
| Braich Harjinder Real Estate 34714 Iris Way, Union City 94587 | (510) 487-5900 |
| Business & Real Estate Group 32980 Alvarado Niles Rd, Union City 94587 | (510) 475-9888 |
| Carreon Manny-Realtor 30545 Union City Blvd, Union City 94587 | (510) 477-4692 |
| Century 21 3909 Smith St, Union City 94587 | (510) 477-4000 |
| Chamberlin Associates 32970 Alvarado Niles Rd, Union City 94587 | (510) 475-0755 |
| Complete Realty 31818 Alvarado Blvd, Union City 94587 | (510) 431-5388 |
| Corinthian Realty 3902 Smith St, Union City 94587 | (510) 487-8653 |
| Dean Real Estate Svc 3789 Smith St, Union City 94587 | (510) 489-7653 |
| Diamond Realty 31881 Alvarado Blvd, Union City 94587 | (510) 487-0788 |
| Elton Behrens Realty 31012 Vallejo St, Union City 94587 | (510) 487-8879 |
| Era Property Professional 32145 Alvarado Niles Rd # 101, Union City 94587 | (510) 304-5156 |
| First Priorty Svc 2610 Central Ave # 110, Union City 94587 | (510) 429-7303 |
| Gpa Realty 3789 Smith St, Union City 94587 | (510) 429-8859 |
| Help U Sell Tri City 2839 Whipple Rd # A, Union City 94587 | (510) 431-5688 |
| Leco Group 32635 Alvarado Blvd, Union City 94587 | (510) 477-8980 |
| Master Key Real Estate 411 Fiji Cir, Union City 94587 | (510) 441-1998 |
| Metro Realty 35043 Lilac Loop, Union City 94587 | (510) 797-2300 |
| Mic Real Estt & Bsnss Brkrs 31080 Union City Blvd # 103, Union City 94587 | (510) 489-4020 |
| Orion Properties 30593 Union City Blvd, Union City 94587 | (510) 429-9394 |
| Pacific Homes Realty 3851 Smith St, Union City 94587 | (510) 441-9000 |
| Perfection Realty 4 Union Sq # A, Union City 94587 | (510) 475-9079 |
| Property Professionals 32145 Alvarado Niles Rd # 101, Union City 94587 | (510) 489-8989 |
| Prudential California Realty 33432 Alvarado Niles Rd, Union City 94587 | (510) 487-6088 |
| Remax Tri-Valley Realty 30545 Union City Blvd, Union City 94587 | (510) 494-8047 |
| American Dream Property 33800 Alvarado Niles Rd, Union City 94587 | (510) 475-4600 |
| Homefunders Realty 4122 Dyer St, Union City 94587 | (510) 675-0259 |
| Skyline Realty & Financial Union City 94587 | (510) 441-1008 |
| Tri-Valley Realty Re/Max 30545 Union City Blvd, Union City 94587 | (510) 487-3040 |
| Trust Realty 2608 Central Ave, Union City 94587 | (510) 441-7233 |
| Tung Properties 34655 Alvarado Niles Rd, Union City 94587 | (510) 471-6235 |
| Victory Real Estate & Loans 1780 Whipple Rd # 102, Union City 94587 | (510) 441-2310 |