Numbers to know: East Hampton population is 40 percent retirement age, Dumbo’s Clocktower Building has the borough’s priciest listings

“Numbers to know” is a weekly web feature that catalogues the most notable, quirky and surprising real estate statistics. East Hampton attracts retirees looking to invest in real estate, the Clocktower Building has the most expensive listings in Brooklyn, sales contracts get longer and longer.

12,000

Residents living in Buildings On Or Around Water Street, which can now take advantage of the city’s new Water Street Pops!, a summer series of outdoor concerts and events [New York City Department of Economic Development]

$1,494

Average price per square foot of condominiums for sale at the Clocktower Building in Dumbo — currently the most expensive building in Brooklyn, which has an $18 million unit on the market [CityRealty]

508

New sales listings posted on StreetEasy the week of April 1, the most listings for any week during the second quarter [StreetEasy]

305.6

Feet from base to ceiling of the Statue of Liberty, which celebrated its reopening on the Fourth of July after closing post-Hurricane Sandy [Mayor Michael Bloomberg’s Office]

200

Pages in an average purchase contract — in 1969 the average purchase contract was just one page [Zillow]

100

Loans given to New York City homeowners in mortgage trouble through the city’s Mortgage Assistance Program, which prevents homes from going into foreclosure [Center for New York City Neighborhoods]

40.1

Percentage of residents in East Hampton that are of retirement age — the community was ranked as one of the 15 best retirement hot spots for real estate investing [RealtyTrac]

15

Feet a chicken coop must be built away from a home in Portland, Ore., the city rated the best in the country to raise chickens [Redfin]

10.5

Bathrooms at a neo-classical townhouse at 7 East 84th Street, on the market for $30 million; it has eight bedrooms [StreetEasy]