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Four-Bedroom Duplex
New
For Sale
$5,500,000

816 Union Street, Brooklyn, NY 11215

Residential, Brooklyn, NY

Property Size4,300 SF
Lot Size0.04 Acres
Price / SF$1,279
Days on Market3

Property Features for 816 Union Street

General Information

Property type Residential Multi Family
Property subtype Other
Zoning R6A,C1-3
Bedrooms 4
Bathrooms 2
Full bathrooms 2
Rooms Bedroom 2, Bathroom 2, Bedroom 4, Bedroom 1, Bedroom 3, Bathroom 1
Interior features Refrigerator, Stove
Basement Unfinished, Full
Subdivision Park Slope
Standard status Active
Size 4,300 SF
Lot size 0.04 Acres

Taxes and HOA fees

Tax Annual Amount 13565

Building Details

Year built 1920
Floors in Building 3
Number of units 2
Listing Agency: Winzone Realty Inc
Listed By: Hiu Lee Yeung
Added: Aug 21 Changed: Aug 22 Last Checked: Aug 23 at 7:06AM
MLS# 503969

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.

Investment Insights

Based on property information with market context.

This duplex at 816 Union Street includes four bedrooms and two bathrooms within 4,300 square feet. Interior features include a refrigerator and stove, providing basic kitchen equipment for the residence. Built in 1920, the property occupies a 0.0436-acre lot and carries R6A,C1-3 zoning.

The property is located in Brooklyn, NY 11215, in Kings County. Its duplex configuration and bedroom count define the residential layout, while the existing appliances and established construction date provide additional physical details for evaluation.

Key Highlights

  • Duplex with 4 bedrooms and 2 bathrooms
  • 4,300 square feet of property size
  • 0.0436‑acre lot

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Law Firm Accounting Firm Nursing Home Auto Parts Store Building Supply (Bike/Boat/Book/etc) Store

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

Location Intelligence

Trade Area within ½ mile

8,014
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
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Frequently Asked Questions

What type of property is this?
Duplex - Residential duplex with two bathrooms, kitchen appliances, and R6A,C1-3 zoning.
Where is this duplex located?
The property is located at 816 Union Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $5,500,000.
What are key features of this property?
This property features: Duplex with 4 bedrooms and 2 bathrooms; 4,300 square feet of property size; 0.0436‑acre lot
More about this property
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