| Business | Phone |
| Alta Vista Mobile Home Comm 10350 Baseline Rd, Alta Loma 91701 | (909) 987-5622 |
| Chaparral Heights Mobile Home 6880 Archibald Ave, Alta Loma 91701 | (909) 987-3830 |
| Ramona Villa Mobile Home Est 9800 Baseline Rd # 12, Alta Loma 91701 | (909) 987-7358 |