823 Park Avenue 4
$12,750,000
MLS# RLS20046136 · Lenox Hill
Listed September 4, 2025 · 418 days on the market
5 Beds 5 Baths 4,184 Sq.Ft.
About This Property
Please note: Showings are Monday through Friday, 1:30-4:30PM. A minimum of 36 hours’ notice is requested.
Ideally located on Park Avenue at East 75th Street, this rare and delightful pre-war condominium is defined by its leafy outlooks, generous and elegant entertainment rooms, and thoughtful layout. From a private elevator landing, the Foyer opens into a sweeping Living Room and Library that face west over Park Avenue. These impressive rooms open to one another and are anchored at each end by a gas fireplace. Nearby, there is a handsome Dining Room, currently configured as a Den. Beyond, a bright fully-equipped chef’s Eat-in Kitchen is impeccably renovated in a classic and inviting style with custom cabinets, a panoply of state-of-the-art appliances, gray marble countertops and backsplashes, and very ample storage. A stylish Powder Room completes the very welcoming and generous entertainment rooms in this very chic and pleasant home.
Private quarters are serene and pretty. The spacious Primary Bedroom Suite, with abundant closets including a generous dressing closet, and a large marble-clad Bathroom featuring Waterworks fixtures and radiant heated floors. There are four additional Bedrooms and three Baths, two of which are ensuite, as well as very ample closets.
Throughout, there are thoughtful and attractive details, as well as the hallmarks of coveted pre-war design, such as herringbone oak floors, 10’ ceilings, a vented laundry room, central air conditioning, and Crestron entertainment system.
Built in 1912 and converted to a condominium in 2006, with an extensive renovation by design firm Pickering and Walker, 823 Park Avenue consists of all full-floor residences in an ideal and sought-after location. Residents in this boutique, white glove building benefit from excellent service, with full-time doormen and a live-in resident manager, as well as a fully equipped health club and private storage. Pets are welcome.

Curtis Bain
Brown Harris Stevens
Property Features
Policies
- Cats and dogs allowed
Home features
- Washer/dryer in unit
- Central air
- Fireplace
- Hardwood floors
- City view
- Skyline view
- Dishwasher
Building amenities
Services and facilities
- Bike room
- Elevator
Wellness and recreation
- Gym
- Health club
Outdoor space
- Garden
Some building amenities are reported on other current listings in this building. Confirm amenities and building policies before relying on them.
Estimate
Monthly Cost & Closing Costs
The rate is a placeholder, not a quote. Enter the one your lender gives you.
$79,408 / month
- Principal and interest$64,471
- Common charges$9,973
- Property taxes$4,964
Due at closing
- Down payment (20%)$2,550,000
- NYS “mansion tax” (3.25%)$414,375
- Mortgage recording tax (1.925%)$196,350
Not included: attorney, title insurance, lender and appraisal fees, board application and move-in fees, flip tax and prepaid items. Estimates only, based on the published New York State rates. Your attorney and lender will confirm the real figures.
Gallery
Property Photos
Listing Courtesy of Sothebys International Realty
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved.