We recently crunched the numbers on New York's most family-friendly neighborhoods, but what if you want to want to get even more specific, and dig into the city's best buildings for you and your brood?

The real estate blog 6sqft just came out with a list of the city's 15 best buildings for renters and buyers who come with kids in tow. According to a rep for the publication, the list is based on "some aggregate research conducted regarding neighborhoods in NYC with low crime rates/good public schools/good access to public transit, focused specifically on newer buildings with top-rated amenities."

As you might guess, all of the offerings have some kind of children's playroom on the premises, and are in comparatively high-end, settled neighborhoods with proximity to convenient trains and good schools (the Upper West Side, Brooklyn Heights, Midtown West, Yorkville, Tribeca, Williamsburg, etc.). But what else makes a kid-friendly building? A swimming pool doesn't hurt (at Murray Hill's 30 Waterside Plaza, there are even swimming classes), nor does extra storage space in the building, a doorman, entertainment options (think screening rooms), and concierge services that can help you book a babysitter.

Of course, with amenities like these, most of the buildings in question are in newish developments—including One Brooklyn Bridge Park—and you won't find much under $3,500 a month for rentals or under $1 million if you're in the market to buy.

For something a little more budget-friendly, don't discount the options in farther-flung areas like Riverdale, Forest Hills, or Ditmas Park, but also, don't ever underestimate the importance of an elevator.

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