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Two-Family Duplex with Finished Basement
New
For Sale
$1,299,999

639 S 5th Avenue, Mount Vernon, NY 10550

Renovated kitchens, private driveway parking, and separate living areas support a range of residential occupancy arrangements.

Property Size4,070 SF
Lot Size0.11 Acres
Days on Market2

Property Features for 639 S 5th Avenue

General Information

Standard status Active
Size 4,070 SF
Total Parking Spaces 8
Lot size 0.11 Acres
Property subtype Residential Income

Units

Unit Mix 1 x 4BR/2BA, 1 x 2BR/1BA
Multifamily Units 2

Taxes and HOA fees

Annual Taxes $17,187

Amenities

landscaped grounds
finished basement
Electric
Finished, Full, Walk-Out Access
Crown Molding, Eat-in Kitchen, Entrance Foyer, Granite Counters, High Ceilings, Kitchen Island, Natural Woodwork, Open Floorplan, Pantry, Recessed Lighting
Bedroom
Fenced, Back Yard, Front Yard, Wood
Driveway
Lighting, Rain Gutters
Colonial

Building Details

Building Size 4,070 SF
Year Built 1920
Listing Agency: BESMATCH REAL ESTATE
Listed By: Christopher A. Baksh
Source: Evrealestate
Added: Oct 14 Changed: Oct 15 Last Checked: Oct 14 at 9:42PM

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 BESMATCH REAL ESTATE

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Investment Insights

Based on property information with market context.

This legal two-family property contains an upper duplex with four bedrooms and two bathrooms, plus a separate two-bedroom, one-bath unit below. Both residences have updated kitchens with islands, hardwood flooring, and detailed interior trim. Mini-split systems provide heating and cooling. The finished basement includes three additional rooms and bathrooms. Building area is 4,070 square feet, and the property dates to 1920.

The parcel measures 50 by 100 feet and includes landscaped grounds and an extended private driveway with parking for approximately 7 to 8 vehicles. Improvements include a new roof and updated plumbing and electrical systems.

Key Highlights

  • Legal two‑family property with a four‑bedroom, two‑bath upper duplex and a two‑bedroom, one‑bath lower unit
  • 4,070‑square‑foot building on a 50 by 100 lot
  • Finished basement with three rooms and bathrooms

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$79,275
Cap Rate
6.10%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,585,500 $1.6M
Cap Rate 7%
$1,132,500 $1.1M
Cap Rate 9%
$880,833 $880.8K
Market Conditions
NOI Build-Up for 4,070 SF
Gross rent
$121.1K $29.76/SF
− Vacancy
−$7.9K −$1.93/SF
EGI
$113.3K $27.83/SF
− OpEx
−$34.0K −$8.35/SF
NOI
$79.3K $19.48/SF
Area
Westchester County, NY
Vacancy
6.50%
Lease Rate
$29.76 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,585,500
Cap Rate 7%
$1,132,500
Cap Rate 9%
$880,833

Alternative Uses

Best Use
Multifamily LT 5
$1.13M
$990.9K – $1.32M (±1% cap)
NOI $79,275 @ 7.0% cap · market cap 6.10%
Second Best
Apartment 5plus
$997.3K
$872.6K – $1.16M (±1% cap)
NOI $69,808 @ 7.0% cap · market cap 5.37%
Theoretical Best
Retail
$1.23M
$1.08M – $1.43M (±1% cap)
NOI $86,058 @ 7.0% cap · market cap 6.62%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

Duplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Skin Care Clinic Parking Lot & Garage (Bike/Boat/Book/etc) Store Acupuncture

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

1,378
Businesses Nearby

Demographics for 10550, NY

41,137
Population
16,865
Households
2.4
Avg Household Size
38
Median Age
23%
College-Educated
82%
High-School Grad
2.0 sq mi
ZIP Area
20,569
Density / Sq Mi
$56,903
Median Household Income
$43,733
Median Earnings
$1,451
Median Rent
$482,600
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 - Renovated kitchens, private driveway parking, and separate living areas support a range of residential occupancy arrangements.
Where is this duplex located?
The property is located at 639 S 5th Avenue Mount Vernon, 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: Legal two‑family property with a four‑bedroom, two‑bath upper duplex and a two‑bedroom, one‑bath lower unit; 4,070‑square‑foot building on a 50 by 100 lot; Finished basement with three rooms and bathrooms
More about this property
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