678 Union Street #4A
MLS® #RLS20003377
Listing by Compass
1
Bedroom
1
Bath
595
Sq. Ft.
1920
Year Built
Quick Summary
Property Highlights
- Character: Pre-war building (1920)
Property Details
Description
Welcome to 678 Union St #4A, a bright and airy one-bedroom home with sweeping Brooklyn views, perfectly situated in the heart of Park Slope, one of New York’s most sought-after neighborhoods. Nestled in a boutique condominium, this residence offers the best of brownstone Brooklyn right outside your door. Coming home, you’ll enter a sun-drenched living room, where two windows frame breathtaking views of Brooklyn’s skyline, including the iconic Williamsburgh Savings Bank Clock Tower. Whether you’re sipping your morning coffee or unwinding after a long day, these stunning vistas provide a picture-perfect backdrop. This thoughtfully designed home features hardwood floors, high ceilings, and an elegant layout. The spacious dining area accommodates a formal dining table, ideal for hosting and entertaining. The open-concept kitchen is equipped with stainless steel appliances, granite countertops, and ample cabinetry, perfect for preparing your favorite meals. The king-sized bedroom offers a tranquil retreat, overlooking a serene green space and featuring a generous closet. The bathroom is complete with a storage medicine cabinet and a large jacuzzi tub for ultimate relaxation. Tucked off the hallway you’ll find a washing machine and gas-powered dryer. Unit 4A comes with its own private walk-in storage area downstairs. Additionally, you’ll have access to communal indoor bike storage. Set in a well-maintained, pet-friendly building with low common charges and strong financials, this home is a rare find in a prime Park Slope location. Enjoy unparalleled convenience, with the Union St subway station (R/N/D/W trains) just down the block, making commuting to Manhattan or anywhere in the city a breeze. There are two community gardens on the block where you can relax, get to know your neighbors, and put your green thumb to good use. Spend weekends exploring Prospect Park, browsing boutique shops, dining at renowned local restaurants along Fifth and Seventh Avenues, or stocking up on fresh finds at Whole Foods and the Park Slope Food Coop—all just minutes from home.
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
88
Median Asking Price
$1.75M
Median $/Sqft
$1,422
Avg Days on Market
N/A
New This Week
15
Price Reduced
13%
Sold (30 Days)
23
Median Sale Price
$1.67M
Live data from RLS at REBNY • Updated 3/25/26, 1:17 PM EST
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Location
678 Union Street #4A, Park Slope, Kings County
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
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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Listing Courtesy of Compass - Rebecca Navarro
Listing Contact: (585) 208-2945
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.
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RLS Data display by Keller Williams NYC. Data last updated on 3/25/2026 at 5:17 PM UTC