Police are warning to keep bikes out of sight and secure air conditioners to prevent burglaries.
There were 15 break-ins in the area within the past month.
The man snuck into buildings through cellar doors and freight elevators, police said
While major crime is down, burglaries have increased by nearly 80 percent compared to last year.
More than half of all burlgaries in Janaury stemmed from unlocked doors and windows, police said.
Construction sites and homes with unlocked doors were big targets.
The suspect swiped laptops, cameras, iPads, a Burberry watch and $1,150 in cash, police said.
Burglaries in Williamsburg and Greenpoint went up by nearly 24 percent in 2014.
Overall crime has decreased while burglaries are on the rise in the 88th precinct.
Police believe criminals think officers won't get out of their cars to check rooftops.
Benjamin Guadalupe, 53, struck in Midtown East, Kips Bay, Gramercy and the Upper East Side, police said.
Overall burglaries have increased by nearly 27 percent this year in Fort Greene and Clinton Hill.
Police said they caught the crew responsible for many recent burglaries in Prospect-Lefferts Gardens.
Thieves are entering rear windows to steal electronics, according to the 71st Precinct.
The suspect hit five Long Island City bars and restaurants, often making off with cash and electronics.
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