440 9th Street #3
MLS® #RLS10701002
Listing by Compass
1
Bedroom
1
Bath
N/A
Sq. Ft.
1921
Year Built
Quick Summary
Property Highlights
- Exposure: North,South facing
- Style: Prewar architecture
- Character: Pre-war building (1921)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jul 20, 2011 | $699,000 | - |
| Currently | Apr 25, 2026 | $699,000 | - |
Description
Charming as they come, and convenient to boot! This 1 bedroom plus office offers space and old world details in bucolic Park Slope. Number 3 at 440 9th St is a floor-through apartment in a charming 4-unit, self-managed coop, a converted 1921 townhouse. This is a phenomenal starter apartment that offers tremendous value. Features include original hardwood floors and plasterwork, built-ins, a wood-burning fireplace, ample closet space, additional basement storage, a large office off the living/dining, a spacious windowed bathroom, and a king-sized bedroom with a walk-in closet overlooking the building's tranquil garden. You sacrifice nothing for its immensely convenient location in Center Slope; the 7th Ave F/G stop is right outside, Prospect Park is 2 blocks away. The kitchen is equipped with a dishwasher, and there is in-unit laundry. Pets are allowed. This 1+ bedroom apartment with low monthlies and spectacular 1920s details is awaiting its new owners.
Features & Amenities
Interior Features
Exterior 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
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)
23
Median Sale Price
$1.66M
Live data from RLS at REBNY • Updated 4/25/26, 9:46 AM EST
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Location
440 9th Street #3, 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
The current listed monthly maintenance are $802 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 1921, making it approximately 105 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 Compass - Maria Ryan
Listing Contact: (347) 276-5165
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 4/25/2026 at 1:46 PM UTC