429 1ST Street #NA
MLS® #RLS10103149
Listing by Brown Harris Stevens Residential Sales LLC
6
Bedrooms
3
Baths
3,000
Sq. Ft.
N/A
Year Built
Quick Summary
Property Highlights
- Fireplace: Wood-burning or decorative fireplace
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Feb 19, 2018 | $3,100,000 | - |
| Currently | Apr 28, 2026 | $2,850,000 | -8.1% |
Description
Often asked for, not often available. The opportunity you have been waiting for to create your own dream house for the next generation. This four-story, two family townhouse with full basement is currently configured as a triplex over garden rental but is used as a 6 bedroom, 3 bath single family home with 2 kitchens. It has been lived in by the same family for over 30 years. Great block, great light, great bones. Many details remain intact including the original center staircase (allowing for generous bedroom width on the upper levels), 7 wood fireplace mantels, original wainscoting and a second floor bay window. The building features a distinctive brick facade with a large arched picture window illuminating the front parlor and providing south-facing light all day long. The house is approximately 3,000 square feet and measures just shy of 17 ft wide by 45 ft deep with a lovely large rear garden. It is across the street from PS 321 and only two blocks from Prospect Park. Bring your contractor and your imagination.
Features & Amenities
Interior Features
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
113
Median Asking Price
$1.72M
Median $/Sqft
$1,376
Avg Days on Market
N/A
New This Week
14
Price Reduced
16%
Sold (30 Days)
24
Median Sale Price
$1.65M
Live data from RLS at REBNY • Updated 4/28/26, 2:40 PM EST
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Location
429 1ST Street #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
This property has 6 bedrooms and 3 full bathrooms.
The listed interior living area is 3,000 square feet. Verify dimensions independently during due diligence.
At the current list price of $2,850,000 for 3,000 sq ft, the asking price per square foot is approximately $950. 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 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 Brown Harris Stevens Residential Sales LLC - Juliet Braver
Listing Contact: (718) 858-5905
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 4/28/2026 at 6:40 PM UTC