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Brick Duplex with Finished Basement
For Sale
$1,599,999

258 Armstrong Avenue, Staten Island, NY 10308

Residential, Staten Island, NY

Property Size2,850 SF
Lot Size0.09 Acres
Price / SF$561.40
Days on Market154

Property Features for 258 Armstrong Avenue

General Information

Property type Residential Multi Family
Property subtype Other
Bedrooms 8
Bathrooms 4
Full bathrooms 4
Rooms Bedroom 2, Bedroom 6, Bedroom 1, Bedroom 3, Bedroom 8, Bathroom 3, Bedroom 5, Bedroom 7, Bathroom 1, Bedroom 4, Bathroom 2, Bathroom 4
Basement Full, Finished
Subdivision Great Kill
Standard status Active
Size 2,850 SF
Lot size 0.09 Acres

Building Details

Number of units 2
Building materials Brick
Listing Agency: Tiger Realty
Listed By: Shan (Rachel) Su
Added: May 12 Changed: Oct 10 Last Checked: Oct 12 at 5:06PM
MLS# 501336

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 newly constructed brick duplex contains 2,850 square feet and is arranged as two residential units, each with four bedrooms and two bathrooms. Formal living and dining rooms provide defined spaces for everyday use and entertaining, while each eat-in kitchen includes new appliances and room for casual meals.

The finished basement adds luxury vinyl flooring, a 3/4 bathroom, and separate front and rear entrances. Three meters are installed, supporting distinct utility service for the property. The home sits on a 0.0878-acre lot in Staten Island, near schools, parks, shopping, dining, and transportation.

Key Highlights

  • Two‑unit duplex with 2,850 square feet
  • Each unit includes 4 bedrooms and 2 bathrooms
  • Finished basement with luxury vinyl flooring and a 3/4 bathroom

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$70,874
Cap Rate
4.43%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,417,480 $1.4M
Cap Rate 7%
$1,012,486 $1.0M
Cap Rate 9%
$787,489 $787.5K
Market Conditions
NOI Build-Up for 2,850 SF
Gross rent
$106.0K $37.20/SF
− Vacancy
−$4.8K −$1.67/SF
EGI
$101.2K $35.53/SF
− OpEx
−$30.4K −$10.66/SF
NOI
$70.9K $24.87/SF
Area
Staten Island, NY
Vacancy
4.50%
Lease Rate
$37.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,417,480
Cap Rate 7%
$1,012,486
Cap Rate 9%
$787,489

Alternative Uses

Best Use
Multifamily LT 5
$1.01M
$885.9K – $1.18M (±1% cap)
NOI $70,874 @ 7.0% cap · market cap 4.43%
Second Best
Apartment 5plus
$902.9K
$790.0K – $1.05M (±1% cap)
NOI $63,202 @ 7.0% cap · market cap 3.95%
Theoretical Best
Office A
$1.36M
$1.19M – $1.59M (±1% cap)
NOI $95,191 @ 7.0% cap · market cap 5.95%
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 Parking Lot & Garage Real Estate Agency (Bike/Boat/Book/etc) Store Clothing & Fashion Store Hotel & Motel

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

2
Residential units

Location Intelligence

Trade Area within ½ mile

1,392
Businesses Nearby

Demographics for 10308, NY

28,198
Population
11,093
Households
2.5
Avg Household Size
44
Median Age
40%
College-Educated
94%
High-School Grad
2.2 sq mi
ZIP Area
12,817
Density / Sq Mi
$122,654
Median Household Income
$67,149
Median Earnings
$1,729
Median Rent
$648,800
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
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Frequently Asked Questions

What type of property is this?
Duplex - Two residential units offer four bedrooms and two bathrooms apiece.
Where is this duplex located?
The property is located at 258 Armstrong Avenue Staten Island, NY.
What is the asking price?
The asking price for this property is $1,599,999.
What are key features of this property?
This property features: Two‑unit duplex with 2,850 square feet; Each unit includes 4 bedrooms and 2 bathrooms; Finished basement with luxury vinyl flooring and a 3/4 bathroom
More about this property
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