A West Chelsea condo, an Upper West Side co-op and a Park Slope duplex.

A hamlet in the Town of Huntington has many houses on irregular lots, sometimes built into hills, with “beautiful views of harbors and the Mill Pond.”

Well-off Brazilians are flocking to New York, where they are snapping up expensive apartments. And in Miami, they are propping up a moribund market.

In some New York City homes, tap the walls or peer into the back of a closet, and who knows what you might find. A hidden staircase, a secret passageway, or walls that pivot could lead to unknown territory.

Work on the conversion of an East Harlem school to housing and work space for artists is expected to start soon.

How a “typical Park Avenue apartment” acquired “the feel of a loft apartment, something with an uptown-downtown look.”

After years of “dumpy apartments,” Jazon Zaler decided he wanted a nice place, which meant recent construction and a doorman building.

As a lover of old edifices in New York, one born-and-bred preservationist has suffered more than his share of wrecking-ball-induced disappointment.

Your design taste versus the landlord’s; who is responsible for air-conditioners; The porter is paid in cash; the right to sublet.

Co-ops havebecome the most affordable form of market-rate homeownership in the county, opening the door to buyers previously shut out of pricey Westchester.