A Queens home is doubling as a designer-dog emporium, brazenly hawking dozens of posh pooches for as much as $38,000, despite New York’s puppy-sale ban, The Post discovered in a sting of underground pet stores.

The Empire State’s landmark “Puppy Mill Pipeline Act” outlawed the sale of dogs, cats and rabbits in pet shops last December.

But at Tiny Cuties NYC at 28th Street and 36th Avenue in Astoria, customers can still pick up the latest designer canine cross from Taiwan — a miniature “Pomchi,” or Pomeranian chihuahua mix, for $7,800; or a palm-sized “Maltipom,” a cross between a Maltese and Pomeranian, for $8,800; or a teacup “Pomapoo,” a Pomeranian poodle mix, for $9,800, according to the selection currently available for purchase on the business’ flashy website. 10

The prize p

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