SOLD FOR $1,625,000
· Closed March 7, 2014
420 12TH Street #H1R
MLS® #RLS10094367
Listing by Halstead dba Brown Harris Stevens Residential Sales LLC
3
Bedrooms
3
Baths
N/A
Sq. Ft.
1881
Year Built
Quick Summary
Property Highlights
- Exposure: East,West facing
- Style: Prewar architecture
- Character: Pre-war building (1881)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Jan 8, 2014 | $1,599,000 | - |
| Currently | May 4, 2026 | $1,625,000 | +1.6% |
Description
Coveted Ansonia Court in prime Park Slope offers that elusive 3 bedroom duplex, possibility fourrth bedroom and home office, 2.5. baths, soaring beamed ceilngs, exposed brick,Huge windows, hardwood floors, w/d in apartment , pet friendly. Super on site daily ! Large PRIVATE Deck! Close to Prospect Park, Union Market, restaurants, shopping and transportation.
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
108
Median Asking Price
$1.67M
Median $/Sqft
$1,376
Avg Days on Market
N/A
New This Week
13
Price Reduced
16%
Sold (30 Days)
23
Median Sale Price
$1.59M
Live data from RLS at REBNY • Updated 5/4/26, 12:14 PM EST
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Location
420 12TH Street #H1R, Park Slope, Kings County
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 $1,377 per month. Confirm the exact amount with the listing broker before making an offer.
This property has 3 bedrooms and 3 full bathrooms.
According to MLS records, the building was constructed in 1881, making it approximately 145 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 Halstead dba Brown Harris Stevens Residential Sales LLC - Mary Bezirjian
Listing Contact: (917) 859-6343
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 5/4/2026 at 4:14 PM UTC