427 9th Street #2
MLS® #RLS10033415
Listing by The Corcoran Group
1
Bedroom
1
Bath
N/A
Sq. Ft.
1920
Year Built
Quick Summary
Property Highlights
- Style: Prewar architecture
- Character: Pre-war building (1920)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Apr 23, 2017 | $610,000 | - |
| Currently | Apr 29, 2026 | $650,000 | +6.6% |
Description
Searching for that special home that offers the ideal combination of pre-war charm, modern updates and an A+ location? Look no further than this stylish, sun-drenched one bedroom coop in the very heart of Park Slope. Situated in a classic four-unit brownstone, this parlor-floor apartment offers oversized windows and ceilings over 10 feet high - creating a space flooded with natural light. The freshly renovated kitchen offers new stainless steel appliances, in-unit laundry, abundant custom cabinetry and quartz countertops. The bright and spacious bedroom boasts soaring windows and an en-suite bathroom. Gorgeous original details can be found throughout the entire apartment, including ornate crown molding and hardwood floors. 427 9th Street is located right off of vibrant 7th Avenue - just two blocks from Prospect Park with the F/G trains right on the corner. Come live on the ultimate block for convenient access to Park Slope's very best shopping and restaurants. Please note: basement storage is included at no additional fee and pets are allowed upon board approval. Please be in touch with exclusive broker Katie Feola of the Corcoran Group with any questions or to schedule a viewing.
Features & Amenities
Interior Features
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
114
Median Asking Price
$1.74M
Median $/Sqft
$1,377
Avg Days on Market
N/A
New This Week
13
Price Reduced
17%
Sold (30 Days)
24
Median Sale Price
$1.64M
Live data from RLS at REBNY • Updated 4/29/26, 1:28 PM EST
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Location
427 9th Street #2, Park Slope, Kings County • Near 6th & 7th Aves.
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 $890 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 1 bedroom and 1 full bathroom.
According to MLS records, the building was constructed in 1920, making it approximately 106 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. Contact the listing broker for weight limits or breed restrictions.
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 - Katie A Feola
Listing Contact: (718) 877-5508
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 4/29/2026 at 5:28 PM UTC