Semi-Attached Duplex with Finished
For Sale
$1,299,999
Pending
311 Liberty Avenue, Staten Island, NY 10305
MULTI_FAMILY - Staten Island, NY
Property Size2,802 SF
Lot Size0.09 Acres
Days on Market165
Property Features for 311 Liberty Avenue
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Property condition
Under Construction
Zoning
R-3X
Bedrooms
6
Bathrooms
5
Full bathrooms
3
Rooms
Bathroom 4, Bedroom 2, Bathroom 5, Bedroom 3, Bedroom 6, Bedroom 4, Bathroom 3, Bathroom 2, Bedroom 1, Bedroom 5, Bathroom 1
Parking features
Off Street, On Street, Carport
Basement
Finished, Full
Lot features
Front Yard, Back Yard
Subdivision
Dongan Hills- Below Hylan
Standard status
Pending
APN
03380-0091
Size
2,802 SF
Lot size
0.09 Acres
Taxes and HOA fees
Tax Annual Amount
12000
Utilities
Sewer type
Public Sewer
Heating system
Forced Air, Electric (Heating)
Cooling system
Central Air
Building Details
Year built
2026
Floors in Building
2
Number of units
2
Building materials
Vinyl Siding
Listing Agency:
Robert DeFalco Realty, Inc.
(718) 987-7900
Listed By:
Nicole Molinini · License #40MO1063271
(718) 987-7900
Added: Mar 13
Changed: Aug 2
Last Checked: Aug 24 at 8:06PM
MLS# 2601299
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 semi-attached duplex is designed as a two-family layout with an open concept on each floor. Each level includes a living/dining combination, a custom kitchen with quartz counters, and a primary suite with a 3/4 bath and walk-in closet. In addition to the primary suite, each floor has two more bedrooms and a full bath. Stairs lead to a large finished basement with a 3/4 bath, along with hardwood floors and an abundance of closets throughout. Exterior finishes include vinyl siding, and the home features forced air electric heating and central air conditioning.
Set on a 0.0862-acre lot at 311 Liberty Avenue in Staten Island, NY 10305 (Richmond County), the property is offered with off-street and on-street parking, plus a carport. Sewer service is provided by public sewer. The home includes a large rear yard for outdoor space.
The duplex is currently under construction with an estimated build year of 2026, making it well-suited for buyers looking for a newly constructed, functional two-family configuration with finished lower-level space.
Set on a 0.0862-acre lot at 311 Liberty Avenue in Staten Island, NY 10305 (Richmond County), the property is offered with off-street and on-street parking, plus a carport. Sewer service is provided by public sewer. The home includes a large rear yard for outdoor space.
The duplex is currently under construction with an estimated build year of 2026, making it well-suited for buyers looking for a newly constructed, functional two-family configuration with finished lower-level space.
Key Highlights
- Semi‑attached two‑family duplex with each floor offering open living/dining concept plus custom kitchen
- Finished basement includes a 3/4 bath, reached via stairs from the first floor
- Primary suite on each floor features a 3/4 bath and walk‑in closet
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
$73,567
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
5.66%
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%
$1,471,340
$1.5M
Cap Rate 7%
$1,050,957
$1.1M
Cap Rate 9%
$817,411
$817.4K
Market Conditions
NOI Build-Up for 2,802 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
$114.3K $40.80/SF
− Vacancy
−$9.2K −$3.29/SF
EGI
$105.1K $37.51/SF
− OpEx
−$31.5K −$11.25/SF
NOI
$73.6K $26.26/SF
Area
ZIP 10305
Vacancy
8.07%
Lease Rate
$40.80 /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%
$1,471,340
Cap Rate 7%
$1,050,957
Cap Rate 9%
$817,411
Alternative Uses
Best Use
Multifamily LT 5
$1.05M
$919.6K – $1.23M
NOI $73,567 @ 7.0% cap · market cap 5.66%
Second Best
Apartment 5plus
$966.9K
$846.1K – $1.13M
NOI $67,685 @ 7.0% cap · market cap 5.21%
Theoretical Best
Office A
$1.34M
$1.17M – $1.56M
NOI $93,587 @ 7.0% cap · market cap 7.20%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
Multi-tenant
Tenancy
Location Intelligence
Trade Area within ½ mile
2,372
Businesses Nearby
Explore this area
Business Placement
Demographics for 10305, NY
44,008
Population
16,850
Households
2.6
Avg Household Size
41
Median Age
32%
College-Educated
85%
High-School Grad
4.0 sq mi
ZIP Area
11,002
Density / Sq Mi
$86,294
Median Household Income
$52,183
Median Earnings
$1,656
Median Rent
$627,200
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 semi-attached two-family duplex in R-3X zoning with central air, a large rear yard, and a finished basement.
Where is this duplex located?
The property is located at 311 Liberty 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: Semi‑attached two‑family duplex with each floor offering open living/dining concept plus custom kitchen; Finished basement includes a 3/4 bath, reached via stairs from the first floor; Primary suite on each floor features a 3/4 bath and walk‑in closet
