A car in front of the Hamodia office was the latest target in a series of attacks on Jewish homes, buildings and property across the neighborhood.
Police have surveillance video of the vandals.
Assemblyman Dov Hikind is offering a $5,000 reward information leading to an arrest.
"We don't know who is doing this yet, but we know why," Hikind said. "Some individuals are sending a message. We hear them. And when they're caught, and they will be, we'll send a message, too. I urge anyone with any information to come forward."
The suspects are described being around 20 years old. One was wearing black shorts, black shoes, a light colored hoodie and glasses. The other was wearing a light colored shorts, T-shirt and hat.
The hate graffiti littered the area around 16th Avenue and 46th Street two weeks ago, with swastikas painted on a school, a synagogue, a minivan, a deli and a supermarket, among other places.
Most of the graffiti was found along a three-block stretch of 16th Avenue, which is a major thoroughfare in what is regarded as the largest Jewish community in America.
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