TO CONTACT ALDER MANOR ABOUT FILMING, PHOTO SHOOTS, WEDDINGS, OR ANY OTHER RENTAL PURPOSE, EMAIL joan@theplantmanor.com. PLEASE BE SURE TO SAY YOU GOT THE CONTACT FROM SCOUTING NY!

It sits on a hill just outside of New York City, completely empty and, for years, decaying and nearly forgotten…

Alder Manor 01

This is Alder Manor, and it’s without question one of the most amazing places I’ve ever had the pleasure of scouting. Built in 1912 by William Boyce Thompson, an extremely successful copper magnate, his plan was for a 72-room country estate for entertaining (he lived in New York City at the time) on 22 acres of hilltop land in then rural Yonkers.

Alder Manor 02

After both he and his wife died, the mansion was traded between owners who had no use for it and eventually wound up abandoned. Thankfully, it’s been purchased in recent years, and its restoration is slowly taking shape.

When you first enter, you find yourself in the enormous Main Hall, with the huge grand staircase off to one side. This is about when you start to wonder how such a place could ever be abandoned.

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Reverse of the main hall. We’re going to start by heading down that hallway…

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Which leads to the incredible library:

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Standing in the reverse corner, with a great stone fireplace and working chandeliers. I especially love how the books go over the doorway.

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From a distance, the room looks like it’s in excellent condition. It’s only when you get a little closer that you realize how much restoration is needed. Wood is rotting, the paint is fading and chipped…This gives you a better idea (still, a great candidate for restoration):

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Next door to the library is the Ballroom, with rich reds and blues complementing the mahogany woodwork:

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A painting over the fireplace is still in excellent shape:

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Across the hall is the dining room, as a short hallway behind where I was standing leads to the Kitchen:

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Heading now upstairs…

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Brings you to the second floor landing, featuring an organ…

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…which connects to pipes way up on the third floor.

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My favorite room in Alder Manor is just down the hall from the pipe organ: an indoor pool. On the second floor. Built in 1912.

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It’d be so great to see this restored to working order. The faded lime green paint, the black and white tiling on the pool…Apparently, there used to be antique Tiffany glass here, until someone found out and stole it.

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As you’re walking through the mansion, there are tons of artistic details to be found everywhere, like this bit of a ceiling painting:

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Scenic door painting:

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Found on another door:

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This was the design on the wall abutting the stairs:

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There are also a few missing details…

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Besides the pool, the second and third floors are essentially endless amounts of bedrooms…

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Some have been fixed up.

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At the end of the second floor is a conservatory and small balcony:

Conservatory

The gardens behind the manor are absolutely beautiful despite their decay:

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A gazebo in perfect condition, along with a pool:

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A beheaded eagle greets you when you enter through this gate:

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A wall with various reliefs:

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A Greek theater, where plays and other entertainments were once performed:

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Another pool:

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A reader writes:

“I worked at the Boyce Thompson Institute for Plant Research from 1955-1978 when the Institute moved to the Cornell University campus. It’s still there and is housed in a beautiful building constructed by Cornell. I visited Alder Manor several times over the years, including two weddings. Its beauty is self evident from the photos. Col. Thompson (an honorary title) loved his gardens so much that he decided to build and endow a plant research institution to learn how plants “work”. It was finished in 1923 and dedicated in 1924.

“Shortly after the Sisters of Mercy took over the estate, a piece of pottery was discovered in a cabinet. It turned out to be extremely valuable. As I understand it, it was Etruscan and was sold for “more money than was paid for the estate”. At least that’s the story I was told.

“W.B. Thompson was quite a man. The Colonel title was bestowed upon him when he led a mission to Russia after WW I. He actually gave some money to feed Russians in poverty and became known as the ‘Red of Wall Street.’”

If you’re interested in using Alder Manor for an event, film shoot, or pretty much anything, send me an email to nycscout@gmail.com.

-SCOUT

PS – For anyone counting, there was a front hall, library, ballroom, dining room, kitchen, and conservatory. In addition, there were empty rooms on the ground floor that could have easily served as the billiard room, lounge, and study.

PPS – Across the street from the manor in FAR worse shape is the abandoned Boyce Research Institute. I took some pictures which I’ll post in a future entry.

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  1. dan white plains Avatar
    dan white plains

    when to school there 80/81 and even worked there a couple years later left just before Iona took it over. Iona came in and made the staff and students feel like they were second class. the grounds were beautiful and Iona came in and cut down most of the trees and started to sell parts of manor off and left it in the shape that it is in today

  2. Lisa Avatar
    Lisa

    http://taracircle.org/home.html is up and working – just on it!
    Thanks for an amazing website!! You have the best job, ever!

  3. Carol D. Avatar
    Carol D.

    I was delighted to find this website and thread as I worked in this amazing mansion for more than 12 hours yesterday, on the new HBO series Boardwalk Empire shooting on location there. I am bookmarking this website — as I’m sure there are many local treasures to discover here. I am delighted to see all the photos here because we were limited to a few rooms and certainly didn’t have the run of the place. Thanks for demystifying — plus enhancing my appreciation for this wonderful architectural gem.

  4. Doc Wattson Avatar
    Doc Wattson

    I filmed at this Location for The Royal Tenenbaums and soon after we were done A Perfect Mind filmed here

  5. Mark K. Avatar
    Mark K.

    I spent a week at Alder Mansion in February of ’98 as a Locations PA for a movie called “Nora”. For most of the week I was alone and did a lot of exploring. You neglected to mention the basement! That was the coolest part of the house back then. It’s a labyrinth of bookshelves filled with books. Thousands of books. It was kind of like a maze down there with narrow isles and tiny rooms that sneak up on you. There is also a tiny elevator just inside the front door. Very cool.
    Keep up the good work.

  6. JJW Avatar
    JJW

    Yonkers is actually loaded with places like this. Alder Manor was also in Crocodile Dundee. I scouted for Lost in Yonkers with Martha Coolidge, but they decided to film in Ohio, I believe. Go check out Untermyer Park, just south on Broadway.

  7. […] path, Scout gains access to the sorts of places I didn’t even know existed — like the abandoned mansion in Yonkers shown above. (It is blowing my miiiiiind!) According to the […]

  8. julie Avatar

    WOW! I know you posted this a year ago, but it is new to me – thanks so much for sharing these images and the story behind them. I just cannot believe that such a place had been left to ruin – I suppose much of it has to do with the fact that those that value such things do not have the funds for renovation. I’m glad the Tara Circle has stepped in – hopefully they will be able to restore the whole property.

  9. Mark barrett Avatar
    Mark barrett

    As someone mentioned boyce thompson institute is in horrible condition however as a urban explorer i found something very interesting about all 3 sites that made up thompsons property.
    Boyce was a very private person who actually made way to the building on north broadway (barely noticable unless u walk up to it) and to the institute main building through a tunnel. On my exploration i found a set of stairs in the basement of the north broadway building that went deep underground. I was by myself that day and never go subterrain without someone with me. I also found a dod (department of defense) document that showed that boyce thompson had clearance for nuclear testing. If you go to BTI cornell site they vaguely mention the testing. In the main building however there are multiple fallout chambers and local residents have told me many stories about BTI Yonkers testing.. By the way someone also stole the tiffany lamps that were in the garden and on the side of the building. Some people just live to destroy history…

  10. Nedra Headen Avatar
    Nedra Headen

    I love this place and spent many happy hours wandering through the grounds before it was vandalized. Your history is sadly lacking in the 1952 through 1995 timeline. The buildings were cherished, valued and used during those years. It lay vacant and was vandalized primarily between 1995 and when Tara Circle took the Manor over to revitalize it and use it for their cultural center.

    You stated “After the death of he and his wife, the mansion fell into ruin as it was traded between owners who had no use for it. ” and that is an error. After her death it was either donated to or bought by the Arch Diocese of New York and Elizabeth Seton Highschool was established there. The manor was residence for both nuns and boarding students (about 50-60). I was a boarder when my dad went on business trips, so I’ve lived there at times. In 1960 or 1961 the highschool was changed into a Junior College, and run first by the Sisters of Charity, and later by Iona College until 1995 when they sold it to the City of Yonkers. THAT is when it became abandoned until Tara Circle bought the Manor.

  11. Nedra Headen Avatar
    Nedra Headen

    I need to add to my post just above.
    I attended Elizabeth Seton Highschool at the Manor from 1956 through 1960. Apparently it changed to a college either that fall, or the following year.

    Study hall was in the basement, and after the nuns went to bed at night, we’d sneak out of our rooms and take the elevator (a forbidden thing for students to do) to go to the basement to share a chicken another boarder had brought home, or maybe to have a prune pit fight. The nuns were so “cloistered” that most of them didn’t know what we did at night. One savvy nun would periodically catch us.

    I remember the fountains in the photos, and the small arched door that we were told was for maid servants to enter the grounds rather than come through the main gate. I LOVE the photos at this blog! It’s wonderful to see the grounds and rooms in current photos. Day student rarely saw the manor building except for swimming classes. Boarders got to roam the grounds, except the area where the nuns resided. THANK YOU for posting all these photos.

    Another website on this property is:
    http://www.hudsonvalleyruins.org/yasinsac/alder/alder.html

    The class of 1960 is having a class reunion on June 12, 2010 in Larchmont.

  12. Judith Adamske Avatar
    Judith Adamske

    I like, Nedra Headen, attended school from 1956 – 1960 at Elizabeth Seton and was a border at the beautiful manor. I recall the beauty and elegance of the place. Every inch of the place was incredible. The only horror was rising at 6 in the morning in the winter to bathe and dress. The good sisters conserved the heat and we froze until breakfast or morning chapel. The grounds were elegant and we could imagine we were in some Italian garden ruins rather than a high school in New York. I appreciate the beauty, the wonderful friends and the education from the good Sisters of Charity to this day. It doesn’t seem like 50 years have flown by since our graduation.

  13. […] tucked through a narrow alley way. It dates back to when the island was partially farm land. And this abandoned mansion is another great […]

  14. Jay Avatar
    Jay

    Oh man, I’ve seen this place before. Were you scared when the candle stick and the clock started talking to you?

  15. Mara Avatar
    Mara

    No photos of the kitchen? Old kitchens are *so* cool. The rest of the house is just magnificent. I would love to see it restored.
    Thanks for posting these photos. I love your site.

  16. john schmidt Avatar
    john schmidt

    My wife (Liz Ermish) and I were married at this location when it was Elizabeth Seton College in 1978. It was also my wife’s dorm when she attended the college. The 2nd floor pool did work. The Grecian Garden was where we had the ceremony. It was a great location for a wedding with the Hudson River in the background.
    The college was sold to Iona College and they promptly closed it down and sold the property. The city of Yonkers owned for awhile and the Irish Cultural center took it over. As previously stated, the mansion also appeared in the first Crocodile Dundee movie.

  17. Terri Avatar
    Terri

    I just love old places like this, this may be a good place for TAPS to investigate! Thanks for sharing.

  18. Ran Avatar
    Ran

    Resident evil…. house of the game

  19. Kati Avatar
    Kati

    I filmed an episode of a TV show at this location. It is incredible!!

  20. Bob Leuci Avatar
    Bob Leuci

    What a find!. I believe this mansion is across the street from the Andrus orphanage. My best friend Sandra was raised at Andrus in the 1950’s until she was 18 (abandoned with her brother)and she told me of all these wonderful stories of her sneaking out of Andrus with her 2 girlfriends when she was about 10 years old. They would cross over into the yard and then into the house. They would scare each other to death on the second floor, thinking that someone or something was chasing them. I would love the opportunity to photograph the estate in Black & white so I can give Sandra a bound book of images to remind her of the fun times she had at the estate. Regards