All 5 boroughs of NYC now have special waste drop off sites that accept a lot of things that are hard to dispose of normally. Any paint that is not accepted by Build it Green NYC! in Long Island City Queens, can can be disposed of at these locations.
New York City residents may bring the following materials to the NYC Department of Sanitation Special Waste Collection Centers:
batteries: automotive*batteries: household**
motor oil (up to 10 quarts per visit)*
motor oil filters (up to 2 filters per visit)
transmission fluid (up to 5 quarts per visit)
fluorescent tubes & bulbslatex paint (up to 5 gallons per visit)
mercury thermometers and thermostats (up to 2 per visit)
passenger car tires (up to 4 per visit.
Each household may visit a Special Waste Drop-off Site up to six times per year. To drop off, bring a valid New York State driver’s license and a vehicle registration with NYC address. If arriving without a vehicle, NYC residents can provide a picture ID and proof of residency, such as a utility or telephone bill that contains their name and NYC address. Materials may not be from a business, industrial, fee for service, or profit-making activity.
BROOKLYN: Bay 41st Street and Gravesend Bay, south of the Belt Parkway (adjacent to the DSNY Brooklyn 11 garage).
MANHATTAN: DSNY garage at 605 West 30th Street, between 11th & 12th Avenue.
NYC Wasteless Website, earth911.org, Build it Green NYC!