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Renovated Up/Down Duplex
For Sale
$919,000

9728 Flatlands Avenue, Brooklyn, NY 11236

Residential, Duplex - Up/Down, Brooklyn, NY

Property SizeContact for details
Lot Size0.06 Acres
Days on Market405

Property Features for 9728 Flatlands Avenue

General Information

Property type Residential Multi Family
Property subtype Other
Bedrooms 5
Bathrooms 4
Full bathrooms 3
Rooms Bedroom 3, Bathroom 1, Bathroom 2, Bathroom 4, Bedroom 2, Bedroom 1, Bedroom 4, Bathroom 3, Bedroom 5
Interior features Laundry Area, Microwave, Refrigerator, Stove
Subdivision Canarsie
Standard status Active
Lot size 0.06 Acres

Building Details

Year built 1920
Floors in Building 3
Number of units 2
Flooring type Laminate, Tile, Ceramic
Building materials Brick, Wood Frame
Roof type Flat
Architectural style Other
Listing Agency: BHHS Fillmore R.E.
Listed By: Rafael M. Lantigua Jr
Added: Jul 17, 2025 Changed: Aug 20 Last Checked: Aug 25 at 4:06AM
MLS# 494272

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 semi-detached duplex at 9728 Flatlands Avenue provides two residential units arranged in an up/down configuration over three levels. The home contains 5 bedrooms and 4 bathrooms, with a three-bedroom upper residence and a two-bedroom lower residence. A finished basement includes an additional bathroom and can serve as recreation, workspace, or extended living area. Updated kitchens, ceramic-finished bathrooms, laminate and tile flooring, and laundry provisions support the renovated interior. The property was built in 1920 and occupies 0.055 acres, with brick and wood-frame construction and a flat roof.

A private backyard provides outdoor space with limited upkeep. The property is near Rockaway Parkway and East 98th Street, with access to the L train and B82 bus. Shopping, dining, schools, parks, and major retail destinations are also described as nearby.

Key Highlights

  • 5 bedrooms and 4 bathrooms across an up/down duplex configuration
  • Three‑bedroom upper unit and two‑bedroom lower unit
  • Finished basement with an additional bathroom

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Parking Lot & Garage Gym & Fitness Center Skin Care Clinic Dental Office

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

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

2,066
Businesses Nearby

Demographics for 11236, NY

100,687
Population
37,002
Households
2.7
Avg Household Size
40
Median Age
28%
College-Educated
88%
High-School Grad
3.6 sq mi
ZIP Area
27,969
Density / Sq Mi
$82,813
Median Household Income
$50,244
Median Earnings
$1,637
Median Rent
$710,300
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - Two residential units offer updated kitchens, finished bathrooms, and new flooring throughout.
Where is this duplex located?
The property is located at 9728 Flatlands Avenue Brooklyn, NY.
What is the asking price?
The asking price for this property is $919,000.
What are key features of this property?
This property features: 5 bedrooms and 4 bathrooms across an up/down duplex configuration; Three‑bedroom upper unit and two‑bedroom lower unit; Finished basement with an additional bathroom
More about this property
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