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Historic Brownstone Duplex Property

18 S Oxford Street, Brooklyn, NY 11217

For Sale
$4,200,000

Four-story brownstone currently arranged as two duplex residences with a fenced backyard and original architectural details.

Property Size3,890 SF
Lot Size0.05 Acres
Price / SF$1,079
Days on Market61

Property Features for 18 S Oxford Street

General Information

Standard status Active
Size 3,890 SF
Lot size 0.05 Acres
Property subtype Multi Family

Site & Location

Road Access Yes
Public Transit Yes

Additional Details

Multifamily Units 2

Taxes and HOA fees

Annual Taxes $20,159

Building Details

Building Size 3,890 SF
Year Built 1864
Buildings 1
Stories 4
Construction Italianate brownstone
Listing Agency: Compass
Listed By: David Favale · License #10301202087
Source: Nilelundgren
Added: Sep 10 Changed: Nov 7 Last Checked: Nov 8 at 2:35PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Compass

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Investment Insights

Based on property information with market context.

Built in 1864, this brownstone spans four stories plus a cellar and is currently arranged as two duplex residences. The 20-foot-wide home extends across a 100-foot lot and includes a west-facing fenced backyard. Interior features include an entry vestibule, period moldings, original fixtures, a traditional stair and banister, and two matching marble mantels on the parlor floor. The facade is in excellent condition, while the property retains significant historic character.

Architectural plans have been submitted for approval for a two-family residence with a backyard solarium and kitchen extension. The Certificate of Non Harassment has been issued. Located at 18 S Oxford Street in Brooklyn, the property is near Fort Greene Park, weekend farmers and artisans markets, and subway access to downtown Manhattan.

Key Highlights

  • 1864 brownstone on a 20‑foot‑wide by 100‑foot lot
  • Currently configured as two duplex residences
  • Four stories plus cellar with 3,890 SF of property size

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$136,234
Cap Rate
3.24%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$2,724,680 $2.7M
Cap Rate 7%
$1,946,200 $1.9M
Cap Rate 9%
$1,513,711 $1.5M
Market Conditions
NOI Build-Up for 3,890 SF
Gross rent
$198.4K $51.00/SF
− Vacancy
−$3.8K −$0.97/SF
EGI
$194.6K $50.03/SF
− OpEx
−$58.4K −$15.01/SF
NOI
$136.2K $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%
$2,724,680
Cap Rate 7%
$1,946,200
Cap Rate 9%
$1,513,711

Alternative Uses

Best Use
Multifamily LT 5
$1.95M
$1.70M – $2.27M (±1% cap)
NOI $136,234 @ 7.0% cap · market cap 3.24%
Second Best
Apartment 5plus
$1.70M
$1.48M – $1.98M (±1% cap)
NOI $118,758 @ 7.0% cap · market cap 2.83%
Theoretical Best
Specialty Retail
$3.22M
$2.82M – $3.76M (±1% cap)
NOI $225,464 @ 7.0% cap · market cap 5.37%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Lease Details

2
Residential units
Yes
Paved road access

Location Intelligence

Trade Area within ½ mile

8,382
Businesses Nearby

Demographics for 11217, NY

42,417
Population
21,590
Households
2
Avg Household Size
36
Median Age
73%
College-Educated
93%
High-School Grad
0.7 sq mi
ZIP Area
60,596
Density / Sq Mi
$158,314
Median Household Income
$95,067
Median Earnings
$2,800
Median Rent
$1,614,200
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
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Market

Average Price Trend$/SF for Duplexes in Brooklyn, NY

$784 Jul
$771 Aug
$781 Sep
$752 Oct

Properties on Market for Duplexes in Brooklyn

Jul
Aug
Sep
Oct

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 - Four-story brownstone currently arranged as two duplex residences with a fenced backyard and original architectural details.
Where is this duplex located?
The property is located at 18 S Oxford Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $4,200,000.
What are key features of this property?
This property features: 1864 brownstone on a 20‑foot‑wide by 100‑foot lot; Currently configured as two duplex residences; Four stories plus cellar with 3,890 SF of property size
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