Semi-Detached Duplex
For Sale
$799,000
2123 Ryder Street, Brooklyn, NY 11234
SINGLE_FAMILY - Brooklyn, NY
Property Size1,504 SF
Lot Size0.05 Acres
Price / SF$531.25
Days on Market113
Property Features for 2123 Ryder Street
General Information
Property type
Residential
Property subtype
Duplex
Zoning
R4
Bedrooms
3
Bathrooms
3
Full bathrooms
2
Rooms
Bedroom 1, Bathroom 2, Bedroom 2, Bathroom 3, Bedroom 3, Bathroom 1
Parking features
Garage - Detached
Interior features
A/C Unit - Wall, Dryer, Microwave, Refrigerator, Stove, Washer
Basement
Full, Finished
Subdivision
Marine Park
Standard status
Active
Size
1,504 SF
Lot size
0.05 Acres
Taxes and HOA fees
Tax Annual Amount
6419
Building Details
Year built
1925
Floors in Building
2
Flooring type
Tile, Hardwood
Architectural style
Other
Listing Agency:
RE/MAX Edge · RE/MAX International
(718) 612-3088
Listed By:
Jason Zhou · License #10301217017
(718) 612-3088
Added: May 6
Changed: Aug 12
Last Checked: Aug 26 at 7:06AM
MLS# 501210
Copyright © 2026 Brooklyn New York Multiple Listing Service. 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.
Semi-detached duplex single-family home in Marine Park, featuring four bedrooms, two spacious living areas, and three full bathrooms. The residence includes a fully finished basement with a separate entrance, offering additional versatility for an office, recreation, or other extended-use needs. Interior highlights include bright, sun-filled rooms with oversized windows, hardwood flooring, and a large eat-in kitchen with abundant cabinetry and workspace.
The home is set on a 0.0459-acre lot and contains 1,504 square feet of interior space. Built in 1925, it also includes A/C (wall unit) and in-unit laundry equipment, including a washer and dryer. Parking is supported by a shared driveway and a detached garage.
Zoned R4, 2123 Ryder Street is positioned near Marine Park amenities and convenient transportation, with express access to Manhattan described in the listing materials.
The home is set on a 0.0459-acre lot and contains 1,504 square feet of interior space. Built in 1925, it also includes A/C (wall unit) and in-unit laundry equipment, including a washer and dryer. Parking is supported by a shared driveway and a detached garage.
Zoned R4, 2123 Ryder Street is positioned near Marine Park amenities and convenient transportation, with express access to Manhattan described in the listing materials.
Key Highlights
- Semi‑detached duplex with four bedrooms and three full bathrooms
- Fully finished basement with separate entrance for extended‑use flexibility
- 1,504 SF home on a 0.0459‑acre lot
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
$45,916
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
5.75%
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%
$918,320
$918.3K
Cap Rate 7%
$655,943
$655.9K
Cap Rate 9%
$510,178
$510.2K
Market Conditions
NOI Build-Up for 1,504 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
$85.2K $56.64/SF
− Vacancy
−$1.7K −$1.13/SF
EGI
$83.5K $55.51/SF
− OpEx
−$37.6K −$24.98/SF
NOI
$45.9K $30.53/SF
Area
Brooklyn, NY
Vacancy
2.00%
Lease Rate
$56.64 /SF/Yr
Expense Ratio
45.00%
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%
$918,320
Cap Rate 7%
$655,943
Cap Rate 9%
$510,178
Alternative Uses
Best Use
Apartment 5plus
$655.9K
$574.0K – $765.3K
NOI $45,916 @ 7.0% cap · market cap 5.75%
Second Best
—
—
no second resolved use
Theoretical Best
Specialty Retail
$1.25M
$1.09M – $1.45M
NOI $87,172 @ 7.0% cap · market cap 10.91%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Location Intelligence
Trade Area within ½ mile
1,721
Businesses Nearby
Explore this area
Business Placement
Demographics for 11234, NY
92,133
Population
35,167
Households
2.6
Avg Household Size
41
Median Age
39%
College-Educated
89%
High-School Grad
7.4 sq mi
ZIP Area
12,450
Density / Sq Mi
$94,434
Median Household Income
$55,206
Median Earnings
$1,771
Median Rent
$746,800
Median Home Value
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.
Frequently Asked Questions
What type of property is this?
Single family property - R4-zoned semi-detached duplex with four bedrooms, three full baths, and a fully finished basement with a separate entrance.
Where is this single family property located?
The property is located at 2123 Ryder Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $799,000.
What are key features of this property?
This property features: Semi‑detached duplex with four bedrooms and three full bathrooms; Fully finished basement with separate entrance for extended‑use flexibility; 1,504 SF home on a 0.0459‑acre lot
