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Three-Bed Duplex with Finished Basement

669 E 42nd Street Brooklyn, NY 11203

669 E 42nd Street, Brooklyn, NY, 11203
$649,000
For Sale
$649,000

SINGLE_FAMILY - Brooklyn, NY

Property Size1,260 SF
Lot Size0.04 Acres
Price / SF$515.08
Days on Market47

Property Features for 669 E 42nd Street

General Information

Property type
Residential
Property subtype
Duplex
Zoning
R4
Bedrooms
3
Bathrooms
2
Rooms
Bedroom 2, Bathroom 1, Bathroom 2, Bedroom 1, Bedroom 3
Patio and Porch features
Porch, Patio
Interior features
Laundry Area, Patio Garden, Porch, Refrigerator, Stove
Basement
Finished
Standard status
Active
Size
1,260 SF
Lot size
0.04 Acres

Taxes and HOA fees

Tax Annual Amount
5489

Building Details

Year built
1930
Floors in Building
2
Flooring type
Parquet Wood, Tile
Building materials
Brick
Roof type
Flat
Architectural style
Other
Listing agency BO's Prime Realty
Listed by Bozena Zgoda
Added: Jun 5 Updated: Jul 11 at 6:34PM Checked: Jul 21 at 10:06AM
MLS# 502046

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 property is described as a nice three-bedroom duplex with a layout that includes a duplex level over a finished basement. The home offers a large newly updated bathroom, an in-close porch, and a private backyard, supporting comfortable everyday indoor-outdoor living.

Located at 669 E 42nd Street in Brooklyn, NY 11203, the property is listed under zoning R4. The listing emphasizes convenience within the surrounding area.

Overall, it presents a residential income-style configuration centered on the duplex setup with finished basement space and outdoor privacy through the private backyard.

Key Highlights

  • Brick duplex with 3 bedrooms and 2 bathrooms
  • Finished basement included with the duplex layout
  • In‑close porch plus private backyard

Local 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 $64.3k $51.00
− Vacancy −$1.2k −$0.97
EGI $63.0k $50.03
− OpEx −$18.9k −$15.01
NOI $44.1k $35.02
1,260 SF · lease $51.00/SF/yr · vacancy 1.90% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$630.4K
$551.6K – $735.5K (±1% cap)
NOI $44,127 @ 7.0% cap · market cap 6.80%
Second Best
Apartment 5plus
$549.5K
$480.8K – $641.1K (±1% cap)
NOI $38,466 @ 7.0% cap · market cap 5.93%
Theoretical Best
Specialty Retail
$1.04M
$912.9K – $1.22M (±1% cap)
NOI $73,030 @ 7.0% cap · market cap 11.25%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Property Profile Location Intelligence

Current Use by Public Records

Duplexes

Suggested Use

Law Firm Real Estate Agency Parking Lot & Garage Dental Office Gym & Fitness Center Skin Care Clinic Acupuncture Bar & Pub (Bike/Boat/Book/etc) Store Nursing Home

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Duplex - Spacious three-bedroom duplex over a finished basement with a large, newly updated bathroom, in-close porch, and private backyard.
Where is this duplex located?
The property is located at 669 E 42nd Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $649,000.
What are key features of this property?
This property features: Brick duplex with 3 bedrooms and 2 bathrooms; Finished basement included with the duplex layout; In‑close porch plus private backyard
Contact an agent
More about this property
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