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Brick Two-Family Duplex
For Sale
$1,099,000
Pending

186 Seneca Avenue, Staten Island, NY 10304

Residential Income, Staten Island, NY

Property Size2,400 SF
Lot Size0.09 Acres
Days on Market105

Property Features for 186 Seneca Avenue

General Information

Property type Residential Multi Family
Property subtype Duplex
Zoning R2
Bedrooms 4
Bathrooms 3
Full bathrooms 2
Rooms Bathroom 2, Bathroom 1, Bedroom 3, Bathroom 3, Bedroom 2, Bedroom 4, Bedroom 1
Parking features Off Street
Security features Security System
Pool private 1
Interior features Ceiling Fan(s)
Fencing Fenced
Basement Apartment
Lot features Front Yard
Subdivision Sunnyside
Standard status Pending
Size 2,400 SF
Lot size 0.09 Acres

Taxes and HOA fees

Tax Annual Amount 9123

Utilities

Sewer type Public Sewer
Heating system Forced Air, Natural Gas
Cooling system Central Air

Amenities

pool
garage

Building Details

Year built 1975
Floors in Building 2
Number of units 1
Building materials Brick
Architectural style Ranch
Buildings 1
Listing Agency: Robert DeFalco Realty, Inc.
Listed By: Laura M Lagano
Added: Jul 15 Changed: Oct 25 Last Checked: Oct 27 at 4:06PM
MLS# 2604012

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.

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Investment Insights

Based on property information with market context.

This 2,400-square-foot brick duplex was built in 1975 and includes a primary residence plus a separate one-bedroom apartment. The main home features a foyer, family room, formal dining area, eat-in kitchen with granite island and stainless steel appliances, three bedrooms, multiple baths, hardwood flooring, and a utility room. A built-in garage provides interior parking access, while the apartment has its own side entrance, kitchen, bedroom, and living area.

Set on 0.0918 acres at 186 Seneca Avenue in Staten Island, the property includes a fenced, fully paved yard with a private above-ground pool. Shopping and transportation are nearby, with access to the Staten Island Expressway. Additional property features include R2 zoning, forced-air natural gas heat, central air conditioning, public sewer service, and off-street parking.

Key Highlights

  • 2,400‑square‑foot brick duplex on a 0.0918‑acre lot
  • Separate one‑bedroom apartment with private side entrance
  • Main residence includes three bedrooms, formal dining area, and eat‑in kitchen

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$59,306
Cap Rate
5.40%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,186,120 $1.2M
Cap Rate 7%
$847,229 $847.2K
Cap Rate 9%
$658,956 $659.0K
Market Conditions
NOI Build-Up for 2,400 SF
Gross rent
$92.2K $38.40/SF
− Vacancy
−$7.4K −$3.10/SF
EGI
$84.7K $35.30/SF
− OpEx
−$25.4K −$10.59/SF
NOI
$59.3K $24.71/SF
Area
ZIP 10304
Vacancy
8.07%
Lease Rate
$38.40 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,186,120
Cap Rate 7%
$847,229
Cap Rate 9%
$658,956

Alternative Uses

Best Use
Multifamily LT 5
$847.2K
$741.3K – $988.4K (±1% cap)
NOI $59,306 @ 7.0% cap · market cap 5.40%
Second Best
Apartment 5plus
$776.4K
$679.4K – $905.9K (±1% cap)
NOI $54,351 @ 7.0% cap · market cap 4.95%
Theoretical Best
Office A
$1.15M
$1.00M – $1.34M (±1% cap)
NOI $80,161 @ 7.0% cap · market cap 7.29%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Lease Details

2
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

671
Businesses Nearby

Demographics for 10304, NY

46,944
Population
17,524
Households
2.7
Avg Household Size
38
Median Age
31%
College-Educated
84%
High-School Grad
3.5 sq mi
ZIP Area
13,413
Density / Sq Mi
$71,506
Median Household Income
$41,752
Median Earnings
$1,516
Median Rent
$659,900
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
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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 - Ranch-style duplex with a separate one-bedroom apartment, private entry, garage, pool, and fenced outdoor space.
Where is this duplex located?
The property is located at 186 Seneca Avenue Staten Island, NY.
What is the asking price?
The asking price for this property is $1,099,000.
What are key features of this property?
This property features: 2,400‑square‑foot brick duplex on a 0.0918‑acre lot; Separate one‑bedroom apartment with private side entrance; Main residence includes three bedrooms, formal dining area, and eat‑in kitchen
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