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Historic Victorian Gothic Carriage House Duplex
For Sale
Under Contract
$3,750,000

860 Union St, Brooklyn, NY 11215

MULTI_FAMILY - Brooklyn, NY

Property SizeContact for details
Lot Size0.06 Acres
Days on Market452

Property Features for 860 Union St

General Information

Property type Residential Multi Family
Property subtype Other
Zoning description Residential
Bedrooms 6
Bathrooms 6
Full bathrooms 6
Rooms Bathroom 4, Bedroom 5, Bathroom 5, Bathroom 6, Bedroom 3, Bathroom 2, Laundry Room, Bedroom 1, Bedroom 6, Bedroom 2, Bedroom 4, Bathroom 1, Bathroom 3
Subdivision Park Slope
Standard status Active Under Contract
Lot size 0.06 Acres

Taxes and HOA fees

Tax Year 2024
Tax Annual Amount 24181

Utilities

Heating system Natural Gas, Hot Water(Heating)

Amenities

mantle fireplaces
built-in China cabinets
parquet floors
stained glass
tall ceilings

Building Details

Floors in Building 2
Flooring type Hardwood
Building materials Brick
Roof type Flat
Listing Agency: REMAX REAL ESTATE PROFESSIONALS
Listed By: Vito Angelo · License #40AN0957928
Added: May 28, 2025 Changed: Aug 5 Last Checked: Aug 22 at 6:06PM
MLS# 11505049

Copyright © 2026 My State MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

Set on a 0.0599-acre lot, this historic Victorian Gothic carriage house duplex is constructed with brick and features hardwood flooring. The roof is flat, and heating is provided via natural gas with hot water heat.

Configured as a two-family residence, the property includes 3 ensuite bedrooms along with formal living, formal dining, and a kitchen for each unit. It also includes distinctive architectural elements such as mantle fireplaces, built-in China cabinets, parquet floors, and stained glass, with tall ceilings throughout.

Originally built as the Maxwell mansion carriage house during the period between 1875 and 1896, the structure was later torn down in 1922. A new facade was added in 1923 designed by Caughey & Evans. Located in the Park Slope Historic District, the property is described as being minutes from the park.

Key Highlights

  • 0.0599‑acre lot for this historic carriage house duplex
  • Two‑family residence with 3 ensuite bedrooms, formal living and formal dining
  • Park Slope Historic District; described as minutes from the park

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Law Firm Accounting Firm Nursing Home Building Supply Auto Parts Store Computer & Electronic Repair

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

7,488
Businesses Nearby

Demographics for 11215, NY

67,493
Population
32,197
Households
2.1
Avg Household Size
37
Median Age
80%
College-Educated
96%
High-School Grad
2.2 sq mi
ZIP Area
30,679
Density / Sq Mi
$180,773
Median Household Income
$99,151
Median Earnings
$2,803
Median Rent
$1,674,700
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
Questions? Ask Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Two-family residence in Brooklyn’s Park Slope Historic District featuring 3 ensuite bedrooms and brick construction with hardwood floors.
Where is this duplex located?
The property is located at 860 Union St Brooklyn, NY.
What is the asking price?
The asking price for this property is $3,750,000.
What are key features of this property?
This property features: 0.0599‑acre lot for this historic carriage house duplex; Two‑family residence with 3 ensuite bedrooms, formal living and formal dining; Park Slope Historic District; described as minutes from the park
More about this property
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