| Business | Phone |
| Green Lake Real Estate 610 South St, Green Lake 54941 | (920) 294-3004 |
| Lake Real Estate 535 Mill St, Green Lake 54941 | (920) 294-3661 |
| Malcolm Bay Realty & Land Co 528 Mill St, Green Lake 54941 | (920) 294-0400 |
| Schneider Real Estate 510 Mill St, Green Lake 54941 | (920) 294-6400 |
| Special Properties Ltd 518 Mill St, Green Lake 54941 | (920) 294-0122 |