Weekly Roundup: Landlord confession, piece of Portugal, April building permits, pocket listings, air purifiers, timely Lotto win, recovery threats

Penthouse pursuit is costly contagion to attain height, light, unobstructed views

Airbnb gears up for Albany initiative that would regulate short-term apartment rentals

City plans sale to debt collectors of tax liens against Sandy-hit homeowners

Cost of rent, price of property actually moving in sync

New York region’s borrowers way below average of homeowners who deduct mortgage interest

Stuyvesant Town tenants told pay up and up or move out this summer

Onetime Sinatra apartment sells after steep price cut

Lease confessions of small landlord make for compelling reading

All it takes is money, but there’s still rental inventory in the Hamptons

Investment group identified as purchaser of most expensive Manhattan residence, One 57 penthouse

Nascar superstar lists trophy condo on Central Park West for $30 million

Dancing queen

Weekly Roundup: Manhattan sales pace up, condo prices rise, inventory is tight, rates hit another new low, consensus on recovery is developing

Townhouse where Weather Underground dwelling was destroyed in bomb explosion is listed for $10.9 million

Mystery buyer pays $90 million for Midtown penthouse at One57, breaking price record for an NYC condo

Entering a tall-buildings race, New York could have 6 of the 10 tallest buildings in the country by 2016

Majority of respondents prefer smoke-free living in the city

Madison Square’s commercial identity has in places ceded to residential character in recent years

Developers now show reluctance to offer incentives to purchasers of condos

Asking prices, sales zoom in