SOLD FOR $1,950,000
Listed at $1,850,000 · Sold 5.4% above asking · Closed January 21, 2021
$1,850,000
321 Prospect Avenue
MLS® #RLS10677391
Listing by The Corcoran Group
4
Bedrooms
4
Baths
N/A
Sq. Ft.
1901
Year Built
Quick Summary
Property Highlights
- Style: Prewar architecture
- Character: Pre-war building (1901)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Oct 5, 2020 | $1,850,000 | - |
| Currently | Apr 26, 2026 | $1,850,000 | - |
Description
With generous proportions and a wonderful layout, this South Slope two-family home offers a roomy, three-bedroom, three-bath lower duplex, a finished basement, and a high-income top floor, one-bedroom rental. Enter the duplex under a restored stoop that provides fantastic storage below. A welcoming foyer invites you into the living space, while southern exposure brings beautiful light into the open living, kitchen and dining area. Framed by a decorative fireplace and renovated with solid wood cabinetry, granite counters and stainless steel appliances, the eat-in kitchen has abundant work and storage space. Beyond the kitchen through double doors is the family room/den which overlooks the backyard and which could also be used as a formal dining area or large home office. Out the backdoor, the large, grassy garden is ready for your lounge chairs and a grill! Down the stairs is the finished basement with a full-size, vented washer/dryer and tons of room for storage. On the second floor of the duplex you'll find three large bedrooms, two full baths, high ceilings and hardwood floors. The primary bedroom includes an en suite bath, an enormous walk-in cedar closet, and a balcony overlooking the backyard. The south-facing front bedroom has a decorative fireplace and hearth, while the middle bedroom, also well-proportioned, has a large, north-facing window. With a private entrance up the stoop, the one-bedroom upper unit is in fantastic condition. The large bedroom has three south-facing windows which bathe the apartment in beautiful light. French doors separate the bedroom from the living room and kitchen. Renovated with granite counters, stainless steel appliances and tons of storage, the kitchen has a large window looking over the greenery of the backyard. An updated bath, a small storage area, and good closet space make this unit a wonderful rental! Impeccably maintained, with a handsome brick facade, and lovely stoop and entry, the home has charming curb appeal! Conveniently located between 5th and 7th Avenues and all their great shopping and dining options, six short blocks from Prospect Park and the F/G trains at 15th Street, and two blocks from the Prospect Avenue D, N and R trains, the location is fantastic!
Building Information
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
110
Median Asking Price
$1.70M
Median $/Sqft
$1,376
Avg Days on Market
N/A
New This Week
15
Price Reduced
16%
Sold (30 Days)
20
Median Sale Price
$1.66M
Live data from RLS at REBNY • Updated 4/26/26, 12:48 AM EST
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Location
321 Prospect Avenue, Park Slope, Kings County • Near 6th Avenue & 7th Avenue
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)
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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.
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Frequently Asked Questions
Common questions about this property
This property has 4 bedrooms and 4 full bathrooms.
According to MLS records, the building was constructed in 1901, making it approximately 125 years old.
Pet policy requires confirmation with the listing broker.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.com. 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 The Corcoran Group - Heather McMaster
Listing Contact: (917) 803-4219
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 4/26/2026 at 4:48 AM UTC