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Two-Family Colonial Duplex
For Sale
$1,299,999

129 Ramapo Avenue, Staten Island, NY 10309

A separate legal basement apartment adds a one-bedroom rental unit to the four-bedroom main residence.

Property Size2,700 SF
Price / SF$481.48
Days on Market13

Property Features for 129 Ramapo Avenue

General Information

Standard status Active
Size 2,700 SF
Property subtype Residential Income
Zoning R3X

Additional Details

Multifamily Units 2

Taxes and HOA fees

Annual Taxes $13,000

Amenities

Walk-In Closet(s)

Building Details

Building Size 2,700 SF
Year Built 2026
Buildings 1
Stories 3
Units 2
Construction Side Hall Colonial
Listing Agency: Robert DeFalco Realty, Inc.
Listed By: Nicole Molinini · License #40MO1063271
Source: Connieprofaci
Added: Oct 15 Changed: Oct 26 Last Checked: Oct 26 at 3:40AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Robert DeFalco Realty, Inc.

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Investment Insights

Based on property information with market context.

This 2,700-square-foot, two-family Colonial was built in 2026 and includes a four-bedroom main residence and a separate one-bedroom legal apartment at basement level. The main home has four bathrooms, hardwood flooring, a custom eat-in kitchen with an island, and a family room with sliding doors. A finished basement provides recreation space, while the attic offers additional storage. The second floor includes a primary bedroom with a four-piece bath and walk-in closet, three additional bedrooms, another full bath, and laundry facilities.

The property is zoned R3X and has a backyard. The basement apartment is configured as a distinct rental unit, alongside the larger main residence.

Key Highlights

  • Two‑family property with a four‑bedroom main residence and a one‑bedroom legal basement apartment
  • 2,700 square feet; built in 2026
  • Main residence includes 4 bathrooms

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$67,144
Cap Rate
5.16%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,342,880 $1.3M
Cap Rate 7%
$959,200 $959.2K
Cap Rate 9%
$746,044 $746.0K
Market Conditions
NOI Build-Up for 2,700 SF
Gross rent
$100.4K $37.20/SF
− Vacancy
−$4.5K −$1.67/SF
EGI
$95.9K $35.53/SF
− OpEx
−$28.8K −$10.66/SF
NOI
$67.1K $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%
$1,342,880
Cap Rate 7%
$959,200
Cap Rate 9%
$746,044

Alternative Uses

Best Use
Multifamily LT 5
$959.2K
$839.3K – $1.12M (±1% cap)
NOI $67,144 @ 7.0% cap · market cap 5.16%
Second Best
Apartment 5plus
$855.4K
$748.4K – $997.9K (±1% cap)
NOI $59,875 @ 7.0% cap · market cap 4.61%
Theoretical Best
Office A
$1.29M
$1.13M – $1.50M (±1% cap)
NOI $90,181 @ 7.0% cap · market cap 6.94%
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

Location Intelligence

Trade Area within ½ mile

381
Businesses Nearby

Demographics for 10309, NY

33,523
Population
12,770
Households
2.6
Avg Household Size
41
Median Age
40%
College-Educated
92%
High-School Grad
7.3 sq mi
ZIP Area
4,592
Density / Sq Mi
$123,638
Median Household Income
$67,348
Median Earnings
$1,907
Median Rent
$745,500
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 - A separate legal basement apartment adds a one-bedroom rental unit to the four-bedroom main residence.
Where is this duplex located?
The property is located at 129 Ramapo Avenue Staten Island, NY.
What is the asking price?
The asking price for this property is $1,299,999.
What are key features of this property?
This property features: Two‑family property with a four‑bedroom main residence and a one‑bedroom legal basement apartment; 2,700 square feet; built in 2026; Main residence includes 4 bathrooms
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