Duplex with Private Five-Car
For Sale
$1,290,000
3627 Flatlands Avenue, Brooklyn, NY 11234
SINGLE_FAMILY - Brooklyn, NY
Property Size1,408 SF
Lot Size0.03 Acres
Price / SF$916.19
Days on Market49
Property Features for 3627 Flatlands Avenue
General Information
Property type
Residential
Property subtype
Duplex
Zoning
R4
Bedrooms
3
Bathrooms
4
Full bathrooms
1
Half bathrooms
2
Rooms
Bedroom 3, Bathroom 1, Bathroom 4, Bedroom 2, Bedroom 1, Bathroom 2, Bathroom 3
Patio and Porch features
Patio
Interior features
Central Air, Dishwasher, Dryer, Patio Garden, Refrigerator, Stove, Washer
Basement
Finished
Subdivision
Flatlands
Standard status
Active
Size
1,408 SF
Lot size
0.03 Acres
Taxes and HOA fees
Tax Annual Amount
7434
Building Details
Year built
1930
Floors in Building
2
Flooring type
Hardwood, Tile
Roof type
Shingle
Architectural style
Other
Listing Agency:
Ideal Properties Realty, LLC
(718) 576-2663
Listed By:
Dalia Samouha
(718) 576-2663
Added: Jun 18
Changed: Aug 5
Last Checked: Aug 5 at 10:06PM
MLS# 502409
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.
Duplex in Brooklyn built in 1930 on a 0.0316-acre lot, offering 1,408 square feet of living space. The home includes central air, hardwood and tile flooring, and an interior lineup featuring a dishwasher, refrigerator, stove, and washer/dryer. Outdoor space is highlighted by a patio as well as a private backyard with a custom gated deck, pergola, and a built-in barbecue.
The interior is configured with multiple bedrooms and bathrooms, plus a fully finished basement providing additional bonus space that includes extra rooms, a playroom, laundry room, 3/4 bath, utility room, and ample storage. Additional comfort comes from 2-zone radiant heat and 2-zone central air.
A detached garage has been converted to an office, den, or gym, served by its own split-unit system, and the property also offers private parking for up to 5 cars. Roof is shingle.
The interior is configured with multiple bedrooms and bathrooms, plus a fully finished basement providing additional bonus space that includes extra rooms, a playroom, laundry room, 3/4 bath, utility room, and ample storage. Additional comfort comes from 2-zone radiant heat and 2-zone central air.
A detached garage has been converted to an office, den, or gym, served by its own split-unit system, and the property also offers private parking for up to 5 cars. Roof is shingle.
Key Highlights
- 0.0316‑acre lot with 1,408 SF of living space
- Zoned R4
- Private parking for up to 5 cars
Financial Insights For Multifamily LT 5
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 | $71.8k | $51.00 |
| − Vacancy | −$1.4k | −$0.97 |
| EGI | $70.4k | $50.03 |
| − OpEx | −$21.1k | −$15.01 |
| NOI | $49.3k | $35.02 |
1,408 SF · lease $51.00/SF/yr · vacancy 1.90% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$704.4K
$616.4K – $821.9K
NOI $49,311 @ 7.0% cap · market cap 3.82%
Second Best
Apartment 5plus
$614.1K
$537.3K – $716.4K
NOI $42,985 @ 7.0% cap · market cap 3.33%
Theoretical Best
Specialty Retail
$1.17M
$1.02M – $1.36M
NOI $81,608 @ 7.0% cap · market cap 6.33%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
1
Residential units
Location Intelligence
Trade Area within ½ mile
3,456
Businesses Nearby
Explore this area
Business Placement
Demographics for 11234, NY
92,133
Population
35,167
Households
2.6
Avg Household Size
41
Median Age
39%
College-Educated
89%
High-School Grad
7.4 sq mi
ZIP Area
12,450
Density / Sq Mi
$94,434
Median Household Income
$55,206
Median Earnings
$1,771
Median Rent
$746,800
Median Home Value
Market
Vacancy Rate% for Multifamily in Northeast region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - R4 duplex with a patio, gated deck, pergola, and private parking for up to five cars.
Where is this duplex located?
The property is located at 3627 Flatlands Avenue Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,290,000.
What are key features of this property?
This property features: 0.0316‑acre lot with 1,408 SF of living space; Zoned R4; Private parking for up to 5 cars
