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MLS ID KEY1000933Last updated Jun 20, 2026

Single Family

25 Union Avenue

Pending · Mount Vernon · Westchester County, NY 10550

Bedrooms
3 Beds
Bathrooms
1 Bath
Year built
1930
Est. monthly taxes
$954.21
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About this home

Welcome to one of the most compelling investment opportunities to hit the Mount Vernon market. This exceptional single-family residence, strategically situated in a coveted two-family zoning district, presents a rare opportunity for investors, developers, builders, and visionary end users alike to unlock extraordinary upside potential. Whether you are seeking to expand your real estate portfolio, create a luxury income-producing asset, or design a sophisticated multi-generational residence, the possibilities here are abundant. With proper approvals, this property offers the potential to be converted into a two-family dwelling — a highly desirable asset class in this thriving, commuter-friendly neighborhood, where renovated two-family homes regularly command values exceeding $ 800,000. Positioned on a generously sized lot with a long private driveway and an oversized two-car garage, this property offers the ideal setting for entertaining, expansion, and elevated suburban living. The grounds provide tremendous flexibility for outdoor enjoyment, additional improvements, and enhanced curb appeal. Location is where this offering truly distinguishes itself. Conveniently located within walking distance to the Mount Vernon East Train Station, commuters can arrive in Midtown Manhattan and Grand Central Terminal in under 30 minutes. Major highways, premier shopping, dining, parks, and everyday conveniences are allwithin moments'sreachy. For the frequent traveler, this residence offers exceptional accessibility: • Approximately 20 minutes to LaGuardia Airport • Approximately 35 minutes to John F. Kennedy International Airport • Approximately 20 minutes to Westchester County Airport • Approximately 45 minutes to Newark Liberty International Airport This is truly a commuter’s and frequent flyer’s delight — blending accessibility, investment potential, and suburban convenience into one extraordinary offering. The surrounding area is known for its strong community atmosphere, established residential character, and proximity to respected schools, transportation, and economic hubs throughout Westchester County and New York City. IMPORTANT DISCLAIMER: Buyers are strongly encouraged to conduct their own independent due diligence with the applicable Building Department, Planning Board, Zoning Board, and Architectural Review Board regarding all intended uses, conversions, permits, zoning interpretations, and development possibilities. Seller and listing broker make no representations or guarantees regarding approvals or future use. Property is being sold strictly AS-IS. Seller will only entertain CASH OFFERS. Serious investors and developers only.

Listing snapshot

Days on site
59 days
Listed on MLS
May 17, 2026
Full baths
1
Half baths
0
Annual property tax (MLS)
$11,450.47
Tax year
2025
Area source (MLS)
Public Records
Listing brokerage
Deutsche Gramatan Vanderbilt
MLS ID
KEY1000933
Last updated
Jun 20, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1930
Garage
Yes
Garage spaces
2
Parking
Detached, Driveway, Garage
Water source
Public
Sewer
Public Sewer
Utilities
Cable Available, Electricity Available, Natural Gas Available, Phone Available, Trash Collection Public, Water Available

Interior features

Basement
Full, Partially Finished, Walk-Out Access
Heating
Heat Pump
Cooling
Ductless, Electric
Interior
Ceiling Fan(s)
Appliances
Gas Range
Fireplace
No

Exterior features

Architectural style
Colonial
Construction materials
Aluminum Siding
Private pool
No

Schools (MLS)

Elementary school
Edward Williams
Elementary school district
Mount Vernon
Middle school
Benjamin Turner Middle School
Middle school district
Mount Vernon
High school
DENZEL WASHINGTON SCHOOL-ARTS (at Nelie Thornton
High school district
Mount Vernon

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. First seen on this site
  2. Listing updated from MLS
  3. MLS status changed

Location

Mount Vernon · Westchester County, NY 10550Show interactive map
25 Union Avenue

Mount Vernon · Westchester County, NY 10550

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.