Built-in shelves grace three of 12 rooms in this 1999 Colonial. They are in the formal living room, library and a bedroom. Complemented by wainscoting and crown molding, the two white built-in shelf units in the living room are on both sides of the center wall, which slightly protrudes. This room also has a cathedral ceiling and French doors that open to the 2.46-acre parcel, where there is an in-ground heated pool. As for the library, a custom mahogany built-in bookcase surrounds the fireplace, while one of the family bedrooms has built-in bookshelves flanking a window seat. Other details throughout the house include wood floors and extensive woodwork. A second fireplace is in the family room, which also features a wall of windows. This room is open to the high-end kitchen. There are six bedrooms and 5 1/2 bathrooms, including the master suite. Amenities include a finished basement and a three-car garage, where there is one separate heated bay. Ann Pizaro, Daniel Gale Sotheby's International Realty, 516-660-2984
214 North Country Rd.
Custom features, including built-in shelves, are found throughout this 13-room farm ranch. The formal living room, formal dining room, den and master suite all have built-ins. The den, for instance, has a white bookshelf against one wall as well as wainscoting, crown molding and a few sets of French doors that open to the 1.25-acre property. Other features include wood floors and skylights. Of seven bedrooms, the master suite has a balcony and bathroom with a Jacuzzi tub. There are a total of 4 1/2 bathrooms. Outside, the yard has a built-in barbecue with granite countertops, deck, gazebo with a trellis and pond. Amenities include a central vacuum system, in-ground sprinklers and a two-car garage. Eddie Figueroa, Aliano Real Estate, 631-926-0180
46 Vail St.
Built in 1923, this eight-room Dutch Colonial offers several charming features of its era, including arched built-in shelves in the family room. The built-ins flank a large window that overlooks the yard. The living room has a brick fireplace, which is centered between original leaded glass windows. Other details include wood floors and crown moldings throughout. All four bedrooms are larger than you normally see in a house this age, says the listing agent. There are two bathrooms as well as a finished basement and a full attic. Amenities include a new heating system, new hot water heater and new windows on the second floor. A detached, two-car garage is on the 60-by-200- foot property. Nearby shops and restaurants are within walking distance, the agent adds. Tammy Ramsay, Eric G. Ramsay Jr. Associates, 516-319-8605