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Two-Family Limestone Duplex
For Sale
$1,199,000

1745 Union Street, Brooklyn, NY 11213

Residential, Brooklyn, NY

Property Size2,296 SF
Lot Size0.04 Acres
Price / SF$522.21
Days on Market543

Property Features for 1745 Union Street

General Information

Property type Residential Multi Family
Property subtype Other
Zoning C4-3
Bedrooms 5
Bathrooms 2
Full bathrooms 2
Rooms Bedroom 5, Bedroom 4, Bedroom 3, Bathroom 1, Bedroom 2, Bathroom 2, Bedroom 1
Interior features Refrigerator, Stove
Basement Full
Subdivision Crown Heights
Standard status Active
Size 2,296 SF
Lot size 0.04 Acres

Taxes and HOA fees

Tax Annual Amount 3958

Building Details

Year built 1901
Floors in Building 2
Number of units 2
Flooring type Hardwood
Building materials Block
Roof type Flat
Listing Agency: MadisonEstates Sothebys Realty
Listed By: Frank Petralia
Added: May 3, 2025 Changed: Oct 20 Last Checked: Oct 27 at 6:06PM
MLS# 492418

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.

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Investment Insights

Based on property information with market context.

This two-family limestone residence in Brooklyn contains approximately 2,296 square feet within a building measuring 20 feet by 55 feet. The property dates to 1901 and features hardwood flooring, a flat roof, block construction, a refrigerator, and a stove. The layout includes five bedrooms and two bathrooms across the two residential units.

The property is configured with one occupied unit and one vacant unit and is being offered as-is with a holdover tenancy. Located at 1745 Union Street in Crown Heights, the building carries C4-3 zoning, with a stated maximum residential FAR of 2.43 subject to local regulations and approvals. The lot measures 20 feet by 90 feet.

Key Highlights

  • Two‑family building with one occupied unit and one vacant unit
  • Approximately 2,296 square feet of building area
  • 20 ft x 90 ft lot with a 20 ft x 55 ft building dimension

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$80,410
Cap Rate
6.71%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,608,200 $1.6M
Cap Rate 7%
$1,148,714 $1.1M
Cap Rate 9%
$893,444 $893.4K
Market Conditions
NOI Build-Up for 2,296 SF
Gross rent
$117.1K $51.00/SF
− Vacancy
−$2.2K −$0.97/SF
EGI
$114.9K $50.03/SF
− OpEx
−$34.5K −$15.01/SF
NOI
$80.4K $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%
$1,608,200
Cap Rate 7%
$1,148,714
Cap Rate 9%
$893,444

Alternative Uses

Best Use
Multifamily LT 5
$1.15M
$1.01M – $1.34M (±1% cap)
NOI $80,410 @ 7.0% cap · market cap 6.71%
Second Best
Apartment 5plus
$1.00M
$876.2K – $1.17M (±1% cap)
NOI $70,094 @ 7.0% cap · market cap 5.85%
Theoretical Best
Specialty Retail
$1.90M
$1.66M – $2.22M (±1% cap)
NOI $133,076 @ 7.0% cap · market cap 11.10%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
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Lease Details

2
Residential units
50%
Occupancy

Location Intelligence

Trade Area within ½ mile

4,567
Businesses Nearby

Demographics for 11213, NY

67,217
Population
29,186
Households
2.3
Avg Household Size
34
Median Age
34%
College-Educated
84%
High-School Grad
1.1 sq mi
ZIP Area
61,106
Density / Sq Mi
$62,040
Median Household Income
$43,736
Median Earnings
$1,607
Median Rent
$1,184,400
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?
Duplex - Two residential units include one occupied apartment and one currently vacant apartment.
Where is this duplex located?
The property is located at 1745 Union Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,199,000.
What are key features of this property?
This property features: Two‑family building with one occupied unit and one vacant unit; Approximately 2,296 square feet of building area; 20 ft x 90 ft lot with a 20 ft x 55 ft building dimension
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