New Construction Duplex with
New
For Sale
$1,749,900
837 Ionia Avenue, Staten Island, NY 10309
MULTI_FAMILY - Colonial - Staten Island, NY
Property Size3,200 SF
Lot Size0.11 Acres
Price / SF$546.84
Days on Market4
Property Features for 837 Ionia Avenue
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Property condition
Under Construction
Zoning
R3X
Bedrooms
4
Bathrooms
4
Full bathrooms
3
Half bathrooms
1
Rooms
Bedroom 1, Bathroom 3, Bathroom 4, Bedroom 4, Bedroom 2, Bathroom 1, Bedroom 3, Bathroom 2
Parking features
Driveway, Garage
Basement
Apartment, Finished
Lot features
Front Yard, Back Yard
Subdivision
Princes Bay
Standard status
Active
APN
068875/0016
Size
3,200 SF
Lot size
0.11 Acres
Utilities
Sewer type
Public Sewer
Heating system
Electric (Heating), Hot Water(Heating)
Cooling system
Central Air
Amenities
radiant heated floors
Building Details
Year built
2026
Floors in Building
2
Number of units
2
Building materials
Vinyl Siding
Architectural style
Colonial
Listing Agency:
Robert DeFalco Realty, Inc.
(718) 987-7900
Listed By:
Cristina Chianese · License #10401366584
(917) 201-8491
Added: Aug 14
Changed: Aug 15
Last Checked: Aug 17 at 2:06AM
MLS# 2604618
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 under-construction duplex is planned as a detached Colonial residence with 3,200 square feet, four bedrooms, and four bathrooms. The two-family configuration supports owner occupancy with additional rental income or multigenerational use. Planned features include an all-electric systems package, radiant heated floors, central air, vinyl siding, and a detached garage accessed by a private driveway.
The property occupies a 50 x 100 lot totaling 0.1148 acres at 837 Ionia Avenue in Staten Island, NY 10309. It is served by public sewer and carries R3X zoning. The projected year built is 2026. The South Shore setting is described as being near shopping, restaurants, parks, schools, and transportation.
The property occupies a 50 x 100 lot totaling 0.1148 acres at 837 Ionia Avenue in Staten Island, NY 10309. It is served by public sewer and carries R3X zoning. The projected year built is 2026. The South Shore setting is described as being near shopping, restaurants, parks, schools, and transportation.
Key Highlights
- Two‑family detached Colonial under construction
- 3,200 square feet with 4 bedrooms and 4 bathrooms
- 50 x 100 lot totaling 0.1148 acres
Financial Insights
Estimated NOI and Cap Rate
NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$79,578
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
4.55%
Suggested Prices Based on Cap Rates
Cap rates vary significantly by property type, market, and asset quality.
Typical U.S. stable-market ranges:
Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+)
Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand)
Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically)
Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher)
Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk)
Self-Storage — 5.5% to 7.5%
Medical Office — 6.0% to 7.5%
Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term
Rules of thumb:
Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%).
Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C.
Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI.
Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$1,591,560
$1.6M
Cap Rate 7%
$1,136,829
$1.1M
Cap Rate 9%
$884,200
$884.2K
Market Conditions
NOI Build-Up for 3,200 SF
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.
Gross rent
$119.0K $37.20/SF
− Vacancy
−$5.4K −$1.67/SF
EGI
$113.7K $35.53/SF
− OpEx
−$34.1K −$10.66/SF
NOI
$79.6K $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 rates vary significantly by property type, market, and asset quality.
Typical U.S. stable-market ranges:
Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+)
Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand)
Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically)
Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher)
Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk)
Self-Storage — 5.5% to 7.5%
Medical Office — 6.0% to 7.5%
Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term
Rules of thumb:
Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%).
Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C.
Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI.
Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$1,591,560
Cap Rate 7%
$1,136,829
Cap Rate 9%
$884,200
Alternative Uses
Best Use
Multifamily LT 5
$1.14M
$994.7K – $1.33M
NOI $79,578 @ 7.0% cap · market cap 4.55%
Second Best
Apartment 5plus
$1.01M
$887.0K – $1.18M
NOI $70,963 @ 7.0% cap · market cap 4.06%
Theoretical Best
Office A
$1.53M
$1.34M – $1.78M
NOI $106,881 @ 7.0% cap · market cap 6.11%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
2
Residential units
Yes
Utilities to site
Location Intelligence
Trade Area within ½ mile
435
Businesses Nearby
Explore this area
Business Placement
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
Market
Vacancy Rate% for Multifamily in Northeast region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Duplex - Under-construction two-family home with modern finishes, private parking, and flexible living arrangements.
Where is this duplex located?
The property is located at 837 Ionia Avenue Staten Island, NY.
What is the asking price?
The asking price for this property is $1,749,900.
What are key features of this property?
This property features: Two‑family detached Colonial under construction; 3,200 square feet with 4 bedrooms and 4 bathrooms; 50 x 100 lot totaling 0.1148 acres
