Numbers to Know: skyline sales, record Downtown contracts, the Harmony co-op … and more

“Numbers to know” is a weekly web feature that catalogues the most notable, quirky and surprising real estate statistics. Skyline sales tumble, high-end apartments sell Downtown and the Harmony co-op is Miss Popular. See this week’s countdown after the jump.

$185 million
Tax-exempt bonds the New York City Department of Housing Corp. issued for Related Companies’ Hunter’s Point South development in Long Island City, which broke ground this past week [Mayor Michael Bloomberg’s Office]

$120 million
Operating expenses the city will save over the next two decades when it completes the $250 million sale of two office buildings to Don Peebles and the Chetrit Group [Mayor Bloomberg’s Office]

40 million
Square feet of sales in trophy skyscraper buildings nationwide in 2012 — down 29.3 percent from 55.7 million square feet sold in 2011 [Jones Lang LaSalle]

447,000
Square feet in the newly renovated 18-story 7 Penn Plaza and 488 Madison Avenue, developed by the Feil Organization [Feil Organization]

1,174
Demolition permits issued in New York City in 2012 — a 5 percent increase from 2011 [PropertyShark]

276
Units at 61 West 62nd Street, the Harmony co-op, which was the most popular building viewed on StreetEasy in January [StreetEasy]

80 percent
Homes built before 1983 that were affected by Hurricane Sandy [Furman Center for Real Estate & Urban Policy]

50 miles per hour
Speed that winds are expected to reach during the approaching East Coast storm, causing New York State lawmakers to caution homeowners along the coastline to brace for the snow and rain [Governor Andrew Cuomo’s Office]

47 percent
Condos listed for more than $4 million that went into contract Downtown during the week of February 25 to March 3, which broke the record for the most luxury contracts signed in a week [Olshan Luxury Market Report]

20.3 percent
Increase in buyers who signed offers to buy homes nationwide in February, compared to January [Redfin]

10
Commercial brokers’ confidence about the financing market in March on a scale of 10 — the highest recorded level in almost a year [REBNY]