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Renovated Loft Triplex Building
For Sale
$6,850,000

676 Union Street TH, Brooklyn, NY 11215

Other - Brooklyn, NY

Property Size6,500 SF
Price / SF$1,053
Days on Market112

Property Features for 676 Union Street TH

General Information

Property type Other
Property subtype Multi Family
Bedrooms 6
Bathrooms 5
Full bathrooms 4
Half bathrooms 1
Rooms Bathroom 1, Bathroom 2, Bathroom 3, Bathroom 4, Bathroom 5, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5
EntryLevel TH
Exterior features Garden, Private Yard
Subdivision Park Slope
View City, Park
Standard status Active
APN 00955-0037
Size 6,500 SF

Building Details

Year built 1920
Architectural style Other
Listing Agency: Engel & Völkers New York City
Listed By: Donald P. Brennan, Jr.
Added: Jul 7 Changed: Jul 15 Last Checked: Oct 26 at 6:06AM
MLS# RLS20069098

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

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Investment Insights

Based on property information with market context.

Renovated loft building configured as two expansive duplex residences and a dedicated gallery/studio space. The residences total six bedrooms and five-and-a-half bathrooms and feature soaring ceilings, oversized windows, wood-burning fireplaces, and abundant natural light. Custom wood staircases connect each level, supporting an open, connected flow throughout the interior.

The ground-floor gallery/studio includes a private entrance, kitchenette, and powder room, offering independent use while remaining part of the overall property. Outdoor space includes a private rooftop terrace and a south-facing courtyard at the garden level with a Mediterranean-inspired design.

Located at 676 Union Street in Brooklyn, the property is described as a 25-foot-wide building with approximately 6,500 square feet of renovated space. The building has been restored from the brick out with modern infrastructure and high-quality finishes.

Key Highlights

  • Renovated 25‑foot‑wide loft building at 676 Union Street in Park Slope, built in 1920
  • Approximately 6,500 SF configured as two duplex residences plus a dedicated gallery/studio
  • Layout includes 6 bedrooms and 5.5 bathrooms, offering flexible use for end users or investors

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$227,641
Cap Rate
3.32%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$4,552,820 $4.6M
Cap Rate 7%
$3,252,014 $3.3M
Cap Rate 9%
$2,529,344 $2.5M
Market Conditions
NOI Build-Up for 6,500 SF
Gross rent
$331.5K $51.00/SF
− Vacancy
−$6.3K −$0.97/SF
EGI
$325.2K $50.03/SF
− OpEx
−$97.6K −$15.01/SF
NOI
$227.6K $35.02/SF
Area
Brooklyn, NY
Vacancy
1.90%
Lease Rate
$51.00 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$4,552,820
Cap Rate 7%
$3,252,014
Cap Rate 9%
$2,529,344

Alternative Uses

Best Use
Multifamily LT 5
$3.25M
$2.85M – $3.79M (±1% cap)
NOI $227,641 @ 7.0% cap · market cap 3.32%
Second Best
Apartment 5plus
$2.83M
$2.48M – $3.31M (±1% cap)
NOI $198,438 @ 7.0% cap · market cap 2.90%
Theoretical Best
Specialty Retail
$5.38M
$4.71M – $6.28M (±1% cap)
NOI $376,740 @ 7.0% cap · market cap 5.50%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Location Intelligence

Trade Area within ½ mile

8,402
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
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025

Frequently Asked Questions

What type of property is this?
Triplex - Renovated loft building with two duplex residences and a ground-floor gallery/studio plus rooftop and courtyard outdoor space.
Where is this triplex located?
The property is located at 676 Union Street TH Brooklyn, NY.
What is the asking price?
The asking price for this property is $6,850,000.
What are key features of this property?
This property features: Renovated 25‑foot‑wide loft building at 676 Union Street in Park Slope, built in 1920; Approximately 6,500 SF configured as two duplex residences plus a dedicated gallery/studio; Layout includes 6 bedrooms and 5.5 bathrooms, offering flexible use for end users or investors
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