SOLD FOR $6,325,000
· Closed June 20, 2024
21 PROSPECT Park W #NA
MLS® #RLS10972667
Listing by Douglas Elliman Real Estate
6
Bedrooms
3.5
Baths
7,500
Sq. Ft.
1901
Year Built
Quick Summary
Property Highlights
- Views: Other
- Fireplace: 1 fireplace
- Climate Control: Central Air
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Oct 24, 2022 | $9,950,000 | - |
| Price Reduced | Jun 21, 2024 | $7,750,000 | -22.1% |
| Currently | May 29, 2026 | $6,325,000 | -18.4% |
Description
Rare and majestic Montrose W. Morris Renaissance Revival mansion right on Prospect Park West! The 5-story architectural masterpiece in Brooklyn's coveted Park Slope neighborhood is a one-of-a-kind offering boasting over 7,000 square foot of impressively elegant, impeccably restored interiors.
Among the many unique highlights of this prewar gem is an incredible 1950's-inspired ice cream parlor with tin ceiling and old-fashion-style seating on the garden level; a breathtaking double-height central gallery with a striking turn-of-the-century chandelier and wraparound 2nd-floor balcony overlooking the space below; 6 charming fireplaces; high airy ceilings with exquisite details; oversized windows with rich wood trim; extensive, intricate woodwork; tasteful moldings and millwork throughout. The ultimate outdoor enjoyment is yours with a lovely landscaped front courtyard, lush private backyard, petite second-floor terrace, and blissful roof deck with stunning views for the ultimate outdoor enjoyment.
In this nearly 25-foot-wide townhouse overlooking prized Prospect Park, you'll be afforded every comfort such as grandly-proportioned living-entertaining spaces, 6+ bedrooms, 6 bathrooms, a library/office, den/screening room, and 2 internal staircases accessing all levels. The parlor floor welcomes you with a gracious entry foyer and presents a fireside living room, plus a powder room, dining room and kitchen with bay-windowed breakfast nook across the dramatic gallery.
Level 2 features a large handsome wood-paneled library/office lined with a beautiful wall of built-ins and Juliet balcony with views of the park. In the rear sits a second living room with bay windows, powder room, cozy terrace, and laundry room. The 3rd story is reserved for the spacious primary bedroom retreat with pretty park vistas, a bedroom fireplace, abundant closets including 2 walk-ins, sitting room, and en-suite bath with a dual vanity, soaking tub clad in marble, and walk-in glass-enclosed steam shower. A second en-suite bedroom adjoins, or can be used as part of the primary suite depending on your needs.
On the top level are 3 additional bedrooms as well as a shared windowed full bath, big storage room, and generous den/screening room with a fireplace and snack bar for watching your favorite shows and films.
Ground floor was previously used as a Professional Office with its own private entrance; the versatility of this spaces provides for the ultimate home office or professional rental space.
There is truly no other home like it. 21 Prospect Park West is a trophy property and historic dream set directly on Prospect Park West, near the Grand Army Plaza greenmarket, Brooklyn Library, Brooklyn Museum, Botanic Garden, excellent shops and restaurants along 7th Avenue and so much more!
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Building Information
Financial Details
About Park Slope
View All Park Slope ListingsPark Slope is a well-known Brooklyn neighborhood, recognized for its tree-lined streets and preserved brownstones. Bordering the western edge of Prospect Park, the neighborhood offers convenient access to green space. The real estate market features a mix of historic townhouses, cooperatives, and modern condominiums, within walking distance of the park.
Park Slope Live Market Data
View NeighborhoodActive Listings
124
Median Asking Price
$1.84M
Median $/Sqft
$1,447
Avg Days on Market
N/A
New This Week
17
Price Reduced
19%
Sold (30 Days)
13
Median Sale Price
$2.30M
Live data from RLS at REBNY • Updated 5/29/26, 2:15 PM EST
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Location
21 PROSPECT Park W #NA, Park Slope, Kings County
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 annual property tax is $34,404, or roughly $2,867 per month. Verify the current assessment with your attorney before closing.
This property has 6 bedrooms and 3 full bathrooms and 3 half bathrooms.
The listed interior living area is 7,500 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 1901, making it approximately 125 years old.
This listing is None
Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.
At the current list price of $6,325,000 for 7,500 sq ft, the asking price per square foot is approximately $843. 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 Douglas Elliman Real Estate - Michelle E Brodsky
Listing Contact: (917) 523-1891
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.
Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.
RLS Data display by Keller Williams NYC. Data last updated on 5/29/2026 at 6:15 PM UTC