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1100 Park Avenue #14B
MLS® #RLS20067998
Listing by Compass
- 4
- Bedrooms
- 3.5
- Baths
- 3,100
- Sq. Ft.
- 1930
- Year Built
Quick Summary
Property Highlights
- Views: City
- Exposure: East,North,West facing
- Fireplace: 1 fireplace
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jan 21, 2026 | $5,195,000 | - |
| Currently | Oct 15, 2026 | $4,900,000 | -5.7% |
Description
Very bright, high floor, rare opportunity to renovate a flexible, spacious four bedroom, four bathroom home overlooking Park Avenue; facing East, West and North. Originally a classic B line Layout with 3 bedrooms, 3 full baths, kitchen, large dining room, large living room, 2 staff rooms and breakfast room. Modified layout showing the addition of 1 half bath / powder room, and the removal of 1 bedroom. Features of the home include: Private elevator landing leading to large entrance gallery 10 foot ceilings Herringbone solid wood floors Original casement windows Wood-burning fireplace Large closets Large living room facing Park Avenue Large primary with very large en-suite bathroom and large closet facing Park Avenue Two secondary bedrooms also facing Park Avenue, one with a windowed bathroom facing Park Avenue Formal dining room Pre-war details including beautiful beamed ceilings Wonderful pre-war cooperative building with 24/7 staff, live-in super, gym and large private storage. On the corner of Park Avenue and 89th Street. Shares: 540 Assessment: $2,160, paid 2x per year Flip Tax: 2% paid by Buyer Estate condition
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Appliances
Building Information
Financial Details
About Upper East Side
View All Upper East Side ListingsThe Upper East Side remains the gold standard for classic New York elegance. Known for 'Museum Mile' and its low-traffic, tree-lined streets, the neighborhood offers a refined lifestyle away from the midtown bustle. While famous for its historic cooperatives, the area has seen a recent surge in ultra-luxury new construction condos, particularly along the Second Avenue Subway corridor, making it a top choice for both traditionalists and modern buyers.
Upper East Side Live Market Data
View NeighborhoodActive Listings
324
Median Asking Price
$1.75M
Median $/Sqft
$1,556
Avg Days on Market
N/A
New This Week
16
Price Reduced
28%
Sold (30 Days)
49
Median Sale Price
$1.32M
Live data from RLS at REBNY • Updated 10/14/26, 8:54 PM EST
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Location
1100 Park Avenue #14B, Upper East Side, New York County
Virtual Tour
Floor Plans
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)
Want help estimating ownership costs or understanding building compliance? Let's discuss
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
All data is provided for informational purposes only and should be independently verified. See our Data Sources Policy for more information.
Frequently Asked Questions
Common questions about this property
The current listed monthly maintenance are $8,688.38 per month. Confirm the exact amount with Milton Coste before making an offer.
The current listed annual property tax is $0, or roughly $0 per month. Verify the current assessment with your attorney before closing.
This property has 4 bedrooms and 3 full bathrooms and 1 half bathroom.
The listed interior living area is 3,100 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 1930, making it approximately 96 years old.
This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.
Pets are permitted at this property: 3. Contact Milton Coste for weight limits or breed restrictions.
At the current list price of $4,900,000 for 3,100 sq ft, the asking price per square foot is approximately $1,581. This figure is for reference only and may differ from appraised or assessed values.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.
Have a question not answered here?
(917) 416-7433Listing Courtesy of Compass - Nicole Wallen Heffner
Listing Contact: (917) 692-7477
Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing 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. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.
How working with a buyer's agent works: I work for you, not the seller. Before I show you anything, New York brokerage rules ask us to put that in writing: an agreement and a disclosure that say I work for you and negotiate on your behalf. The agreement is non-exclusive: you can work with other agents, it runs for a short fixed term we agree on, and you can end it with a note. You may attend open houses independently without an agreement. Read how it works
RLS Data display by Keller Williams NYC. Data last updated on 10/15/2026 at 12:54 AM UTC
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What happens next
- 1Milton emails you today.
- 2A short call about what you want and when.
- 3The agreement arrives electronically after the call. Then showings.
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You're contacting Milton Coste, a buyer's agent. Before any private showing, New York brokerage rules require a short non-exclusive agreement. Milton walks you through it before you sign anything. Broker commissions are not set by law and are fully negotiable. How working together works.
Upper East Side Market Update
49 sales last 30 days · $1.75M median · 6.6 months supply
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Quick Facts
Monthly Costs Estimate
$980,000
Source: Freddie Mac PMMS
Est. Monthly Payment
$0
Estimates only. Consult a lender for exact figures.
Mansion tax applies at this price point
New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $3M to $4,999,999 at 1.50%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.
Estimated mansion tax at asking
$73,500
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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