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Renovated 6-Over-6 Duplex
For Sale
$798,000

51 Cassidy Place, Staten Island, NY 10301

MULTI_FAMILY - Staten Island, NY

Property Size1,872 SF
Lot Size0.06 Acres
Price / SF$426.28
Days on Market53

Property Features for 51 Cassidy Place

General Information

Property type Residential Multi Family
Property subtype Duplex
Zoning R3X
Bedrooms 6
Bathrooms 2
Full bathrooms 2
Rooms Bedroom 1, Bedroom 2, Bathroom 2, Bedroom 5, Bedroom 6, Bedroom 4, Bathroom 1, Bedroom 3
Parking features On Street
Interior features Walk-In Closet(s)
Lot features Back Yard
Subdivision New Brighton
Standard status Active
Size 1,872 SF
Lot size 0.06 Acres

Taxes and HOA fees

Tax Annual Amount 4525

Utilities

Sewer type Public Sewer
Heating system Forced Air, Natural Gas
Cooling system Wall Unit(s)

Building Details

Year built 1910
Floors in Building 2
Number of units 2
Building materials Stone, Vinyl Siding
Listing Agency: Robert DeFalco Realty, Inc.
Listed By: Dritan Tony Gashi
Added: Jun 10 Changed: Jul 29 Last Checked: Aug 1 at 3:06PM
MLS# 2603260

Copyright © 2026 Staten Island Board of Realtors. 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 renovated duplex is configured as a 6-over-6 building. The property was renovated approximately two years ago, and it presents two residential units in a straightforward two-apartment layout.

The second floor is currently rented at $3,500, while the first floor unit is vacant, offering an immediate path for either occupancy or renovation-driven leasing. The property is located at 51 Cassidy Place in Staten Island, NY 10301, in Richmond County.

With one unit in place and the other ready for a new tenant, the building offers a practical setup for an owner seeking rental income alongside flexibility with the vacant unit.

Key Highlights

  • 6 over 6 setup with multiple bedrooms (Bedrooms 1‑6) and 2 bathrooms (Bathroom 1 & Bathroom 2)
  • Renovated 2 years ago; second floor is rented for $3,500
  • Natural gas forced‑air heating

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 $69.6k $37.20
− Vacancy −$3.1k −$1.67
EGI $66.5k $35.53
− OpEx −$20.0k −$10.66
NOI $46.6k $24.87
1,872 SF · lease $37.20/SF/yr · vacancy 4.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$665.0K
$581.9K – $775.9K (±1% cap)
NOI $46,553 @ 7.0% cap · market cap 5.83%
Second Best
Apartment 5plus
$593.0K
$518.9K – $691.9K (±1% cap)
NOI $41,513 @ 7.0% cap · market cap 5.20%
Theoretical Best
Office A
$893.2K
$781.6K – $1.04M (±1% cap)
NOI $62,525 @ 7.0% cap · market cap 7.84%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

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

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

803
Businesses Nearby

Demographics for 10301, NY

41,474
Population
16,631
Households
2.5
Avg Household Size
40
Median Age
38%
College-Educated
88%
High-School Grad
3.8 sq mi
ZIP Area
10,914
Density / Sq Mi
$84,937
Median Household Income
$50,140
Median Earnings
$1,697
Median Rent
$657,000
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 - Renovated duplex with a rented second floor apartment and a vacant first floor unit.
Where is this duplex located?
The property is located at 51 Cassidy Place Staten Island, NY.
What is the asking price?
The asking price for this property is $798,000.
What are key features of this property?
This property features: 6 over 6 setup with multiple bedrooms (Bedrooms 1‑6) and 2 bathrooms (Bathroom 1 & Bathroom 2); Renovated 2 years ago; second floor is rented for $3,500; Natural gas forced‑air heating
More about this property
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