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Brick Duplex with Separate Basement Entrance
For Sale
$5,000,000

921 45th St, Brooklyn, NY 11219

MULTI_FAMILY - Brooklyn, NY

Property Size6,000 SF
Lot Size0.06 Acres
Price / SF$833.33
Days on Market1011

Property Features for 921 45th St

General Information

Property type Residential Multi Family
Property subtype Other
Zoning description Multi-Family
Bedrooms 10
Bathrooms 6
Full bathrooms 6
Rooms Bathroom 4, Bedroom 8, Bedroom 5, Bathroom 5, Bathroom 6, Bedroom 3, Bathroom 2, Bedroom 7, Bedroom 1, Bedroom 10, Bedroom 6, Bedroom 9, Bedroom 2, Bedroom 4, Bathroom 1, Bathroom 3
Subdivision Borough Park
Standard status Active
Lot size 0.06 Acres

Taxes and HOA fees

Tax Year 2024
Tax Annual Amount 15154

Utilities

Heating system Steam, Natural Gas

Amenities

granite kitchen
stainless steel appliances
custom cabinetry
jacuzzi bathroom
balconies
hand-painted ceilings
crown moldings
hardwood floors
California closets
finished basement

Building Details

Floors in Building 4
Flooring type Hardwood, Tile
Building materials Brick
Roof type Flat
Listing Agency: REMAX REAL ESTATE PROFESSIONALS
Listed By: Vito Angelo · License #40AN0957928
Added: Oct 31, 2023 Changed: Aug 5 Last Checked: Aug 6 at 4:06AM
MLS# 11391533

Copyright © 2026 My State MLS. 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 custom-built, solid brick semi-detached duplex is legal as a two-family home and built on a 26x100 lot. The layout is described as a five-level, four-story configuration, with an oversized custom home size of 4,760 SF and 6,000 SF including the basement. The property includes a full finished basement with a separate entrance, and there is also a two-car parking garage.

The home is currently configured as an owners triplex above a rental unit, with a 9-room, 5-bedroom, 3-bath arrangement over a 6-room, 3-bedroom rental unit, plus an additional 6-room basement area. Interior features listed include an eat-in granite kitchen with stainless steel appliances and custom cabinetry, a master suite with an en-suite jacuzzi bathroom, front and rear balconies, and tall hand-painted ceilings with crown molding. Flooring is identified as hardwood and parquet, and the roof is flat.

Heating is provided by steam and natural gas systems. Construction materials are brick, and the property is identified as R6 zoned.

Key Highlights

  • Legal two‑family duplex, R6 zoned, semi‑detached solid brick construction
  • 4,760 SF custom house size, 6,000 SF including basement
  • 26x100 lot size with full finished basement and separate entrance

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 $259.2k $43.20
− Vacancy −$11.7k −$1.94
EGI $247.5k $41.26
− OpEx −$74.3k −$12.38
NOI $173.3k $28.88
6,000 SF · lease $43.20/SF/yr · vacancy 4.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$2.48M
$2.17M – $2.89M (±1% cap)
NOI $173,275 @ 7.0% cap · market cap 3.47%
Second Best
Apartment 5plus
$2.22M
$1.94M – $2.59M (±1% cap)
NOI $155,541 @ 7.0% cap · market cap 3.11%
Theoretical Best
Office A
$3.89M
$3.40M – $4.54M (±1% cap)
NOI $272,275 @ 7.0% cap · market cap 5.45%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Parking Lot & Garage Gym & Fitness Center Nursing Home (Bike/Boat/Book/etc) Store

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

6,877
Businesses Nearby

Demographics for 11219, NY

103,447
Population
27,973
Households
3.7
Avg Household Size
27
Median Age
21%
College-Educated
70%
High-School Grad
1.5 sq mi
ZIP Area
68,965
Density / Sq Mi
$55,685
Median Household Income
$30,647
Median Earnings
$1,678
Median Rent
$1,086,000
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
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Frequently Asked Questions

What type of property is this?
Duplex - Legal two-family R6 zoned semi-detached brick duplex with a full finished basement and separate entrance.
Where is this duplex located?
The property is located at 921 45th St Brooklyn, NY.
What is the asking price?
The asking price for this property is $5,000,000.
What are key features of this property?
This property features: Legal two‑family duplex, R6 zoned, semi‑detached solid brick construction; 4,760 SF custom house size, 6,000 SF including basement; 26x100 lot size with full finished basement and separate entrance
More about this property
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