| Landowner | Properties | Area In Rowley Acres |
|---|---|---|
| United States Fish and Wildlife Service | 3 | 936 |
| Department of Fish and Game | 5 | 699 |
| DCR - Division of State Parks and Recreation | 5 | 548 |
| Town of Rowley | 21 | 375 |
| Essex County Greenbelt Association | 28 | 369 |
| Girl Scouts of America | 1 | 191 |
| First Congregational Church | 1 | 18 |
| Moore, Richard | 1 | 1.6 |
| Halpin, Dorothy | 1 | 1.3 |