Luxurious New York City mansion on the market for $84.5 million

PHOTO: This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.PlayEvan Joseph - Modlin Group
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A luxurious mansion on the Upper East Side of Manhattan is on the market for $84.5 million. It was recently featured on Trulia's list of the 20 most expensive homes for sale in America.

For sale by the Modlin Group, the home is approximately 15,000-square-feet and has six floors, according to its listing.

PHOTO: This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.Evan Joseph - Modlin Group
This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.

The house was originally constructed in 1903 by legendary architect John H. Duncan, the listing says.

PHOTO: This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.Evan Joseph - Modlin Group
This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.

The kitchen has marble countertops and backsplashes, a breakfast room and a wood burning fireplace. The living and dining rooms have 17-foot-tall ceilings, mahogany pocket doors and skylights -- and the stunning atmosphere doesn't stop there.

PHOTO:This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.
Evan Joseph - Modlin Group
PHOTO:This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.

A custom library sits on the third floor, and his-and-her bathrooms include features like heated floors, steam resistant mirrors and a cosmetics refrigerator.

PHOTO: This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.Evan Joseph - Modlin Group
This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.

The owners can also enjoy a media room with a full wet bar, a billiard room and a full outdoor kitchen on the rooftop terrace, which also offers views of Central Park.

"The most unique feature of the John Duncan Mansion is [that] the entire southern facade is completely open and [has an] unobstructed view for an entire city block," Adam Modlin, founder and CEO of the Modlin Group, told ABC News.

PHOTO: This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.Evan Joseph - Modlin Group
This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.

From the terrace, a private elevator sinks to the lower-level spa, the listing says, which includes a massage room, sauna, cold plunge pool, a gym and wine cellar.

PHOTO: This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.Evan Joseph - Modlin Group
This six-floor limestone mansion, boasting about 15,000 square feet and a prime Manhattan location, is on the market for $84.5 million.

"A townhouse of this caliber costs tens of millions of dollars to refurbish and years to execute," Modlin said. "As the high-end townhouse market has heated up recently, this is a very smart purchase."