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Two-Story Brick Duplex
For Sale
$799,999

41 Alton Place, Brooklyn, NY 11210

Residential, Duplex, Brooklyn, NY

Property Size1,870 SF
Lot Size0.05 Acres
Price / SF$427.81
Days on Market48

Property Features for 41 Alton Place

General Information

Property type Residential
Property subtype Duplex
Zoning R5
Bedrooms 3
Bathrooms 2
Full bathrooms 1
Half bathrooms 1
Rooms Bedroom 2, Bathroom 1, Bathroom 2, Bedroom 1, Bedroom 3
Patio and Porch features Porch
Interior features A/C Unit - Window, Dryer, Laundry Area, Microwave, Porch, Refrigerator, Stove, Terrace, Washer, Window Treatments
Basement Full, Finished
Subdivision Flatlands
Standard status Active
Size 1,870 SF
Lot size 0.05 Acres

Taxes and HOA fees

Tax Annual Amount 6940

Building Details

Year built 1945
Floors in Building 2
Flooring type Tile, Hardwood
Building materials Brick
Roof type Flat
Architectural style Other
Listing Agency: Remax Top Nest Real Estate
Listed By: Yat Chi (Stanley) Ng
Added: Aug 31 Changed: Oct 13 Last Checked: Oct 17 at 7:06PM
MLS# 504031

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.

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Investment Insights

Based on property information with market context.

This two-story brick duplex was built in 1945 and contains 1,870 square feet on a 0.0459-acre lot. The residence includes three bedrooms and two bathrooms, with hardwood and tile flooring, a full basement, and a basement garage. A private driveway provides off-street parking, while the basement offers space for storage, recreation, or workshop use. Interior features include window air-conditioning, laundry appliances, a refrigerator, stove, microwave, window treatments, a porch, and a terrace.

The property is located at 41 Alton Place in Brooklyn's 11210 ZIP code. Neighborhood shopping, dining, parks, and daily conveniences are nearby. Subway access includes the 2 and 5 trains at Flatbush Avenue-Brooklyn College, with B and Q service available in the surrounding area. The property is zoned R5.

Key Highlights

  • 1,870‑square‑foot duplex on a 0.0459‑acre lot
  • Two‑story brick construction dating to 1945
  • Three bedrooms and two bathrooms

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$65,491
Cap Rate
8.19%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,309,820 $1.3M
Cap Rate 7%
$935,586 $935.6K
Cap Rate 9%
$727,678 $727.7K
Market Conditions
NOI Build-Up for 1,870 SF
Gross rent
$95.4K $51.00/SF
− Vacancy
−$1.8K −$0.97/SF
EGI
$93.6K $50.03/SF
− OpEx
−$28.1K −$15.01/SF
NOI
$65.5K $35.02/SF
Area
Brooklyn, NY
Vacancy
1.90%
Lease Rate
$51.00 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,309,820
Cap Rate 7%
$935,586
Cap Rate 9%
$727,678

Alternative Uses

Best Use
Multifamily LT 5
$935.6K
$818.6K – $1.09M (±1% cap)
NOI $65,491 @ 7.0% cap · market cap 8.19%
Second Best
Apartment 5plus
$815.6K
$713.6K – $951.5K (±1% cap)
NOI $57,089 @ 7.0% cap · market cap 7.14%
Theoretical Best
Specialty Retail
$1.55M
$1.35M – $1.81M (±1% cap)
NOI $108,385 @ 7.0% cap · market cap 13.55%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

Duplexes

Suggested Use

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

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

1
Residential units

Location Intelligence

Trade Area within ½ mile

4,051
Businesses Nearby

Demographics for 11210, NY

62,805
Population
22,817
Households
2.8
Avg Household Size
38
Median Age
39%
College-Educated
89%
High-School Grad
1.6 sq mi
ZIP Area
39,253
Density / Sq Mi
$83,261
Median Household Income
$50,286
Median Earnings
$1,734
Median Rent
$817,600
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025

Frequently Asked Questions

What type of property is this?
Duplex - Brick residential property with a basement garage, private driveway, and additional lower-level space.
Where is this duplex located?
The property is located at 41 Alton Place Brooklyn, NY.
What is the asking price?
The asking price for this property is $799,999.
What are key features of this property?
This property features: 1,870‑square‑foot duplex on a 0.0459‑acre lot; Two‑story brick construction dating to 1945; Three bedrooms and two bathrooms
More about this property
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