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860 Union Street Brooklyn, NY 11215

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For Sale
$3,875,000

MULTI_FAMILY - Brooklyn, NY

Property size:
3,894 SF
Lot size:
0.06 Acres
Price / SF:
$995/SF
Added:
May 14, 2025
Days on Market:
348
Last Refresh:
Apr 26 at 11:06 pm

Property Features for 860 Union Street

General Information

Property type
Residential Multi Family
Property subtype
Other
Zoning
R7B
Bedrooms
6
Bathrooms
6
Rooms
Bathroom 4, Bathroom 6, Bedroom 6, Bedroom 4, Bathroom 3, Bathroom 1, Bathroom 5, Bedroom 3, Bedroom 1, Bedroom 5, Bathroom 2, Bedroom 2
Interior features
Laundry Area, Refrigerator, Stove, Washer, Window Treatments
Basement
Full
Standard status
Active
Size
3,894 SF
Lot size
0.06 Acres

Taxes and HOA fees

Tax Annual Amount
24181

Building Details

Floors in Building
2
Number of units
2
Flooring type
Hardwood
Building materials
Brick
Roof type
Flat

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Listing Contact
Billy Apter
Billy Apter

Listing agent Billy Apter License #BEA5721

Listing office RE/MAX Real Estate Professiona 6423 11th Avenue, Brooklyn, NY

Listing date May 14, 2025

MLS# 492575 Listing URL

Copyright © 2026 Brooklyn New York Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.


Overview

Historic Park Slope Carriage House

Located in the Park Slope neighborhood of Brooklyn, New York City, this building was originally constructed as the Victorian Gothic carriage house of the Maxwell mansion, which was built sometime between 1875 and 1896, and was torn down in 1922. In 1923, the 25-foot wide carriage house received a new facade designed by Caughey & Evans. As one of the few remaining carriage houses in Park Slope, it is considered a local attraction. The property is located in the Park Slope Historic District, minutes from the park. The building features original woodwork and crafted details, including mantle fireplaces, built-in China cabinets, parquet floors, stained glass, and tall ceilings. Currently configured as a two-family residence, each unit includes 3 ensuite bedrooms, a formal living room, a formal dining room, and a kitchen. The 3,894 square foot property on a 0.0599-acre lot offers potential for conversion to a single-family mansion. Situated in the heart of prime Park Slope, the property is surrounded by amenities in one of Brooklyn's most desirable neighborhoods. The zoning is R7B.
Property Profile Insight Report Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Law Firm Restaurant Real Estate Agency Spa & Massage Center Hair Salon Dental Office Nail Salon Food Market Grocery & Convenience Store Gym & Fitness Center

Zoning and permitted uses should be independently verified with local authorities.

Location Insight

  • Map
  • Local Demand
City
Brooklyn
County
Kings
State
New York
Longitude
-73.973794
Latitude
40.67357

FAQs

What type of property is this?
Duplex - Unique two-family residence or single-family conversion opportunity in prime location.
Where is this duplex located?
The property is located at 860 Union Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $3,875,000.
What are key features of this property?
This property features: Rare 25' wide carriage house in the Park Slope Historic District.; Potential for conversion to a single‑family mansion.; Original architectural details include mantle fireplaces, built‑in China cabinets, parquet floors, stained glass, and tall ceilings.
More about this property
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