From the NY Post:
It's New York's nastiest neighbor -- a Queens business that has made 1,030 calls to a city complaint hotline since September and sparked a sweeping inspection blitz against innocent homeowners.
The company made the flurry of 311 calls from three different phones, claiming on each occasion that the homeowners were illegally converting their basements into apartments, city sources said.
An army of city inspectors descended upon the middle-class neighborhoods in Flushing, Whitestone and other areas of northeast Queens, only to find that most complaints were completely bogus.
In some cases, inspectors discovered penny-ante violations that left furious residents with fines to pay or repair bills in the thousands of dollars.
City officials would not reveal the identity of the caller, but the city Department of Buildings is now investigating the calls.
Many angry residents and elected officials believe the "whistleblower" is a sleazy building-industry firm trying to drum up business by filing false complaints and then swooping in to fix them.