Advertise a Duplex / Triplex, and other Middle Island property By Owner for sale:

Many Middle Island duplexes are purchased for renting. A Middle Island duplex can be described as two units under one roof separated by a community wall. There may be a shared driveway. Triplexes and Fourplexes can be similar in design.

Old Bethpage - Old Bethpage for Sale by owner (Nassau)
Mattituck - Mattituck for Sale by owner (Suffolk)
Orient - Orient Byowner (Suffolk)
Alcove - Alcove Byowner (Albany)
Auriesville - Auriesville FSBO (Montgomery)
Southampton - Southampton homes byowner (Suffolk)
Ridge - Ridge houses for sale by owner (Suffolk)
Sag Harbor - Sag Harbor house FSBO (Suffolk)
Upton - Upton homes for sale by owner (Suffolk)