Welcome to 544 Park Avenue, a versatile Legal duplex Expanded Cape situated on a 0.22-acre lot in Centereach. This property features a long, private driveway with ample parking space and a spacious backyard. The main level offers a functional layout featuring a living room, eat-in kitchen, dining area, two bedrooms, and a full bathroom. The second level consists of a separate two-bedroom apartment with its own living room, kitchen, and full bathroom, presenting an ideal setup for rental income or flexible extended living space. Additional features include a full, unfinished basement with abundant storage space. 3 Electric meters, (1 on each floor and 1 for the basement), 2 oil burners and 2 oil tanks. Great Opportunity! Located within the Middle Country School District and close to local amenities.