Semi-Detached Single-Family
123 Avenue J Brooklyn, NY 11230
123 Avenue J, Brooklyn, NY, 11230
$1,598,000
For Sale
$1,598,000
SINGLE_FAMILY - Brooklyn, NY
Property Size1,950 SF
Lot Size0.04 Acres
Price / SF$819.49
Days on Market90
Property Features for 123 Avenue J
General Information
- Property type
- Residential
- Property subtype
- Duplex
- Zoning
- R3-1
- Bedrooms
- 4
- Bathrooms
- 3
- Rooms
- Bathroom 2, Bathroom 3, Bathroom 1, Bedroom 2, Bedroom 3, Bedroom 1, Bedroom 4
- Patio and Porch features
- Porch
- Interior features
- Porch
- Basement
- Finished
- Standard status
- Active
- Size
- 1,950 SF
- Lot size
- 0.04 Acres
Taxes and HOA fees
- Tax Annual Amount
- 5710
Building Details
- Year built
- 1920
- Floors in Building
- 2
- Flooring type
- Hardwood
- Architectural style
- Other
Listing agency
Ben Bay Realty Co
(718) 680-6442
Listed by
Arthur Y. Bakayev
(718) 680-6442
Added: Apr 23 Updated: Jul 12 at 2:37PM Checked: Jul 21 at 8:06PM
MLS# 500686
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 solid brick semi-detached single-family home offers two full floors plus a full basement, laid out to support a range of residential updates. The property sits on an 18 x 100 lot with a building footprint of 18 x 55, and it is currently in need of renovation, presenting an opportunity to customize the interior to your preferences.
The address is on Avenue J in Brooklyn, within short distance of the Avenue F train for transportation access. The home is also described as being situated on East 2nd Street and Avenue J.
Given the existing two-floor plus basement configuration and the renovation needed, the property may appeal to buyers looking for a residence they can refresh and tailor during the build-out process.
The address is on Avenue J in Brooklyn, within short distance of the Avenue F train for transportation access. The home is also described as being situated on East 2nd Street and Avenue J.
Given the existing two-floor plus basement configuration and the renovation needed, the property may appeal to buyers looking for a residence they can refresh and tailor during the build-out process.
Key Highlights
- 1920 brick, semi‑detached single‑family home on an 18 x 100 lot
- 18 x 55 building with two full floors plus a full basement for added space
- Four bedrooms plus three bathrooms
Local Financial Insights For Apartment 5plus
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $110.4k | $56.64 |
| − Vacancy | −$2.2k | −$1.13 |
| EGI | $108.2k | $55.51 |
| − OpEx | −$48.7k | −$24.98 |
| NOI | $59.5k | $30.53 |
1,950 SF · lease $56.64/SF/yr · vacancy 2.00% · expense 45.00%
Alternative Uses
Best Use
Apartment 5plus
$850.4K
$744.1K – $992.2K
NOI $59,531 @ 7.0% cap · market cap 3.73%
Second Best
—
—
no second resolved use
Theoretical Best
Specialty Retail
$1.61M
$1.41M – $1.88M
NOI $113,022 @ 7.0% cap · market cap 7.07%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Single family properties
Similar For Sale Nearby
FAQs
What type of property is this?
Single family property - Solid brick semi-detached home with two full floors and a full basement on an 18 x 100 lot, requiring renovation.
Where is this single family property located?
The property is located at 123 Avenue J Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,598,000.
What are key features of this property?
This property features: 1920 brick, semi‑detached single‑family home on an 18 x 100 lot; 18 x 55 building with two full floors plus a full basement for added space; Four bedrooms plus three bathrooms
