It’s the astir costly garbage dump connected the Upper East Side.

A Park Avenue parking store is being held “hostage,” according to a Manhattan Supreme Court suit seeking implicit $3 cardinal successful damages.

A institution called Rebel 1399 LP paid $1.3 cardinal successful April for the 41 spot store nether 1399 Park Ave, a 23-story condo wherever units spell for up to $3 million.

But the precocious emergence has locked the doors and changed the passcodes to the garage’s physics gate, utilizing the abstraction alternatively to store trash and debris, Rebel claimed successful tribunal papers.

Piles of trash capable the parking store connected Park Ave.

They’re allegedly demanding an further $80,000 outgo from Rebel arsenic a mode to “resolve immoderate disputes oregon issues” with the garage’s erstwhile owner, which Rebel slammed successful the ineligible filing arsenic an effort astatine extortion.

“We don’t recognize wherefore the sponsor of the gathering is not welcoming a caller proprietor to unfastened the garage,” Bruce H. Lederman, an lawyer for Rebel 1399 LP, told The Post.

Rebel hopes to usage the abstraction arsenic a parking store for gathering residents and the public, and claimed it has mislaid much than $1 cardinal due to the fact that of the dispute.

The suit alleges that the Park Ave. store is being held “hostage,” by the building.

Parking is simply a premium successful New York, wherever monthly store fees often transcend $600 and a single spot tin tally arsenic precocious arsenic $1 million.

Michael R. Cohen, the lawyer for the building, did not respond to requests for comment.