| Business | Phone |
| Allegan Real Est Broker Agcy 2640 113th Ave, Allegan 49010 | (269) 673-4565 |
| Allegan Real Estate Agency 840 Marshall St, Allegan 49010 | (269) 673-4565 |
| Century 21 128 Hubbard St, Allegan 49010 | (269) 673-5888 |
| Freeman Real Estate 126 Locust St, Allegan 49010 | (269) 686-8800 |
| H & H Properties 422 Water St, Allegan 49010 | (269) 673-7422 |
| Maurer Real Estate 921 Marshall St, Allegan 49010 | (269) 673-3800 |
| Schulz Realty Inc 430 Western Ave, Allegan 49010 | (269) 673-3030 |
| Stech & Assoc Realty Inc 101 Locust St, Allegan 49010 | (269) 673-5505 |