$260,000
SOLD DEC 17, 2025

20 William St Unit 3D Mount Vernon, NY 10552

North Side Neighborhood
2 Beds
1 Bath
1,117 Sq Ft
1939 Built

Recently Sold

$233 Per Sq Ft

7% Below List Price

121 Days on Market

About This Home

As of December 2025

? Stunning Sponsor Unit – Renovated Two-Bedroom + Bonus Room in Fleetwood/Mount Vernon ?
No Board Approval | 20% Down at Contract Signing
This rare sponsor unit offers a smooth purchase process with no board approval required and just 20% down at contract signing—a unique opportunity in one of Westchester’s most desirable neighborhoods! Step into this fully renovated, sun-filled two-bedroom apartment with a bonus room, where classic design meets modern comfort. Situated in the heart of Fleetwood/Mount Vernon, this spacious home provides both convenience and style. Apartment Features
Fully renovated with modern finishes and thoughtful details Kitchen with updated appliances, cabinetry, and countertops Beautiful hardwood floors throughout Large, light-filled living room—perfect for relaxing or entertaining Two spacious bedrooms with ample closet space Bonus room—ideal for a home office, nursery, guest space, or creative studio Renovated bathroom with stylish fixtures and tilework

Last Agent to Sell the Property

Annette Gould

License #49GO1122990 Listed on: 05/24/2025

Last Buyer's Agent

Annette Gould

License #49GO1122990 Listed on: 05/24/2025

Property Details

Home Type

  • Co-Op

Year Built

  • Built in 1939

Home Design

  • 1,117 Sq Ft Home
  • Brick Exterior Construction

Kitchen

  • Gas Range
  • Microwave
  • Granite Countertops
  • Disposal

Bedrooms and Bathrooms

  • 2 Bedrooms
  • 1 Full Bathroom

Schools

  • Pennington Elementary And Middle School
  • Mt Vernon High School

Utilities

  • Cooling System Mounted To A Wall/Window
  • Heating System Uses Oil
  • Cable TV Available

Additional Features

  • Finished Basement

Community Details

Pet Policy

  • Breed Restrictions

Overview

  • 5-Story Property

Property Details

Home Type

Co-Op

Year Built

Built in 1939

Lot Details

0

Listing Details

  • Property Type: Residential
  • Architectural Style: Other
  • Property SubType: Stock Cooperative
  • Year Built: 1939
  • Carport Y N: No
  • CurrentPrice: 260000.00
  • MlsMajorChangeType: Sold
  • CurrentPrice_By_LivingArea: 232.76634
  • ListPrice_By_LivingArea: 249.77619
  • ListPrice_By_OriginalListPrice: 0.85846
  • LivingAreaSearchSqFt: 1117.00
  • Special Features: None
  • Property Sub Type: Coop

Interior Features

  • Appliances: Disposal, Gas Range, Microwave
  • Interior Amenities: Granite Counters
  • Full Bathrooms: 1
  • Basement: Finished
  • Stories: 5
  • Total Bedrooms: 2
  • Living Area: 1117
  • Basement YN: Yes

Exterior Features

  • Construction Materials: Brick
  • Waterfront: No

Garage/Parking

  • Garage: No

Utilities

  • Cooling: Wall/Window Unit(s)
  • Heating: Oil
  • Sewer: Public Sewer
  • Utilities: Cable Available, Electricity Available
  • Water Source: Public

Condo/Co-op/Association

  • Senior Community: No
  • Association: No

Schools

  • Middle School: Pennington

Lot Info

  • Property Attached: No

Rental Info

  • Lease Considered: No
  • Pets Allowed: Breed Restrictions

MLS Schools

  • Elementary School: Pennington
  • High School: Mt Vernon High School
  • Middle School District: Mount Vernon
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
12/17/2025 12/17/25 Sold $260,000 -6.8% $233 / Sq Ft
09/22/2025 09/22/25 Pending -- -- --
08/27/2025 08/27/25 For Sale $279,000 +7.3% $250 / Sq Ft
08/24/2025 08/24/25 Off Market $260,000 -- --
08/17/2025 08/17/25 Price Changed $279,000 -6.7% $250 / Sq Ft
06/18/2025 06/18/25 Price Changed $299,000 -8.0% $268 / Sq Ft
05/24/2025 05/24/25 For Sale $325,000 -- $291 / Sq Ft
Source: OneKey® MLS

Tax History Compared to Growth

Source: Public Records

Agents Affiliated with this Home

  • A

    Seller's Agent in 2025

    Annette Gould

    (646) 345-0347

    6 in this area

    21 Total Sales

    Annette Gould
    Section Image
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Map

Source: OneKey® MLS

MLS Number: 866736

OneKey® MLS
New York Westchester County Mount Vernon 10552 North Side

20 William St Unit 3D, Mount Vernon, NY

Sold

Coop

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