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Full-Brick Triplex with Finished Basement
For Sale
$1,599,000

2487 E 21st Street, Brooklyn, NY 11235

MULTI_FAMILY - Brooklyn, NY

Property Size3,840 SF
Lot Size0.06 Acres
Price / SF$416.41
Days on Market169

Property Features for 2487 E 21st Street

General Information

Property type Residential Multi Family
Property subtype Triplex
Zoning R4
Bedrooms 7
Bathrooms 3
Full bathrooms 3
Rooms Bedroom 5, Bathroom 3, Bedroom 6, Bedroom 3, Bathroom 1, Bedroom 4, Bedroom 7, Bedroom 1, Bathroom 2, Bedroom 2
Interior features Refrigerator, Stove
Basement Finished, Full
Subdivision Sheepshead Bay
Standard status Active
Size 3,840 SF
Lot size 0.06 Acres

Taxes and HOA fees

Tax Annual Amount 8272

Building Details

Year built 1930
Floors in Building 3
Number of units 3
Flooring type Hardwood
Building materials Brick
Architectural style Other
Listing Agency: Momentum Real Estate LLC
Listed By: Meijuan (Minnie) Lin · License #10401310408
Added: Feb 14 Changed: Jul 30 Last Checked: Aug 2 at 3:06AM
MLS# 499008

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 full-brick triplex offers a versatile three-unit layout with 3,840 square feet of interior living space. The home includes 7 bedrooms and 3 full bathrooms, with the first floor configured as a spacious duplex featuring 3 bedrooms and 1 full bathroom. A finished basement adds additional functional space and includes both front and rear separate entrances.

The second-floor unit features 2 bedrooms and 1 full bathroom, and the third-floor unit also features 2 bedrooms and 1 full bathroom. The property is built on a 25*100 lot with a 20*64 building size and includes shared driveway access.

Built in 1930 and finished with hardwood flooring, the home includes interior features such as a refrigerator and stove. The property’s residential configuration and R4 zoning support flexible use for both owner-occupants and income-focused buyers.

Key Highlights

  • 0.0574‑acre lot size
  • 2064 building size on a 25100 lot
  • 3,840 SF interior living space

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 $195.8k $51.00
− Vacancy −$3.7k −$0.97
EGI $192.1k $50.03
− OpEx −$57.6k −$15.01
NOI $134.5k $35.02
3,840 SF · lease $51.00/SF/yr · vacancy 1.90% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$1.92M
$1.68M – $2.24M (±1% cap)
NOI $134,483 @ 7.0% cap · market cap 8.41%
Second Best
Apartment 5plus
$1.67M
$1.47M – $1.95M (±1% cap)
NOI $117,231 @ 7.0% cap · market cap 7.33%
Theoretical Best
Specialty Retail
$3.18M
$2.78M – $3.71M (±1% cap)
NOI $222,566 @ 7.0% cap · market cap 13.92%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Triplexes

Suggested Use

Top Pick Parking Lot & Garage Real Estate Agency Hotel & Motel Catering Service Bar & Pub Locksmith

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

Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

5,053
Businesses Nearby

Demographics for 11235, NY

88,482
Population
37,188
Households
2.4
Avg Household Size
44
Median Age
50%
College-Educated
90%
High-School Grad
2.5 sq mi
ZIP Area
35,393
Density / Sq Mi
$61,689
Median Household Income
$48,898
Median Earnings
$1,649
Median Rent
$723,900
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Triplex - R4-zoned full-brick triplex featuring a finished basement with separate front and rear entrances and shared driveway access.
Where is this triplex located?
The property is located at 2487 E 21st Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,599,000.
What are key features of this property?
This property features: 0.0574‑acre lot size; 20*64 building size on a 25*100 lot; 3,840 SF interior living space
More about this property
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