Perched on a cliff overlooking the Hudson River, Villa Charlotte Brontë is possibly the city’s most enchanting place to live.

Co-op apartments in the coveted 17-unit Bronx townhouse complex — with its peaked roofs, arching stairways and sunken courtyard — rarely go on sale. Now, two in a row have hit the market.

Agents attribute the odd coincidence to normal turnover.

“People are mesmerized by Villa Charlotte Brontë,” said Pamela Trebach of Trebach Realty in Riverdale, whose $1.39 million listing was in contract in just two weeks.

“I sold this unit 20 years ago,” Trebach said. The child who moved in then is now grown up. “This is not like something’s going on with Charlotte Brontë. This is just a normal part of life, the way that we see co-ops come to market.”

That unit, a three-bedroom duplex, faces south and west, with a wraparound deck overlooking the Palisades from one side and Palisade Avenue from the other. The George Washington Bridge is a speck in the distance.

Monthly maintenance is a little less than $2,000.

“I am starting to see the maintenance creeping up,” Trebach said, “but there is much more space than in a typical three-bedroom Riverdale co-op.” The kitchen is larger, too.

Currently, the Villa — located in Spuyten Duyvil, the southwestern tip of The Bronx, not far from Inwood in Manhattan — has no assessments, though there have been some in the past.

Trebach said she was flooded with calls as soon as she listed the townhouse. One Brooklynite who hailed from Riverdale told her “this is the only complex that would make me come back to Riverdale.” Some inquiries were from curious neighbors or people who attended school nearby.

“The fireplace gets a good response,” Trebach added. “It usually is a big deal even if people don’t use it. It’s like a balcony — they think they will.”

Also on the market is a three-bedroom triplex listed for $1.34 million, with a monthly maintenance of around $1,900. The sellers did a gut renovation of the kitchen, said the listing agent, Chanda Colón of Douglas Elliman. The triplex is the only unit with a street entrance, with a total of three steps.

The other apartments are reached by staircases. The Villa’s leafy grounds include a cave-like spot called the grotto.

Colón, too, said she has encountered people “who shared that it’s always been on their dream home list.” But when she contacts prospective buyers who have expressed interest, she sees a high attrition rate.

It has been four years since another unit in Villa Charlotte Brontë turned over, when a five-bedroom triplex sold for $1.87 million. Four years before that, a smaller three-bedroom duplex sold for $857,000.

That one had a less spectacular view, said Linda Justus, an associate broker at Robert E. Hill Inc., which manages the complex. Each unit is different when it comes to size, view and condition.

Justus, too, fields calls from interested people. But they often end up telling her “‘It’s not the right time’ or ‘I prefer a better river view’ or ‘I was hoping the price would be less,’” she said.

The Villa has a storied history. It was designed a century ago by architect Robert W. Gardner, who was influenced by Greek architecture and who pioneered the use of reinforced concrete.

The developer, a lawyer named John Jay McKelvey, found the city ugly. The Villa is “probably the most determinedly picturesque set of buildings” in The Bronx, wrote Lehman College professor David Bady.

The New York Times once described it as “a fantasy sand castle for the Amalfi coast designed by M.C. Escher.”

A dozen years ago, after a mudslide unleashed by Hurricane Irene, five units were declared unsafe. Those residents were evacuated and had to stay away for months while a retaining wall was built. The repairs cost an estimated $450,000.

To the neighborhood’s dismay, a smaller but similar sister complex to the south, the 7-unit Villa Rosa Bonheur, was razed about four years ago, replaced by a new rental building called The Henry.

Parking and transportation are not ideal. Residents with cars park on the street or use a garage at a nearby building.

The quickest way to Manhattan is the Metro-North train, which stops at the Spuyten Duyvil station. The new CityTicket allows for a flat fare of $5 one-way.

The train horn, however, sounds often. The trains stop running for only three hours in the wee hours, from approximately 2:15 a.m. to 5:30 a.m.

Villa Charlotte Brontë never ceases to attract attention and picture-takers, Justus said. There are four “no trespassing” signs, but those are a weak deterrent. “If people really want to snoop, they’re going to snoop.”