The overall development density on the tract shall be no greater than one dwelling unit per three acres.

The minimum lot area shall be one acre and shall meet the bulk requirements for a residential lot in a single-family open space development. Lots with less than two acres shall be required to have public or community water service.

All lots greater than three acres in area in a conventional subdivision employing lot averaging shall be deed restricted against further subdivision.

Flag lots with minimum lot frontages of 50 feet are permitted, provided that the lot contains a minimum of two acres within the flag portion of the lot and the placement of the proposed dwelling units shall be set back a minimum of 250 feet from adjacent dwelling units located on public or approved private streets.

The Land Use Board may require, in cooperation with the applicant, the reservation of equestrian trails across a hamlet subdivision tract where there is an adjacent approved or dedicated equestrian trail or where a trail has been so designated on an equestrian trail plan map approved by the Land Use Board.

The applicant may donate land area to the municipality for open space, park and other public uses in a hamlet subdivision. The overall development density shall remain at one dwelling unit per three acres. Land donated to the municipality shall count toward the calculation of development density.