About 20 William Street # 3d
? 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
Features of 20 William Street # 3d
| MLS® # | 866736 |
|---|---|
| Price | $279,000 |
| Sold Price | $260,000 |
| Date Sold | December 17th, 2025 |
| Bedrooms | 2 |
| Bathrooms | 1.00 |
| Full Baths | 1 |
| Square Footage | 1,117 |
| Year Built | 1939 |
| Type | Residential |
| Sub-Type | Stock Cooperative |
| Style | Other |
| Status | Closed |
Community Information
| Address | 20 William Street # 3d |
|---|---|
| City | Mount Vernon |
| County | Westchester County |
| State | NY |
| Zip Code | 10552 |
| Adult 55+ Community | No |
Amenities
| Utilities | Cable Available, Electricity Available |
|---|---|
| Is Waterfront | No |
| Has Pool | No |
Interior
| Interior Features | Granite Counters |
|---|---|
| Appliances | Disposal, Gas Range, Microwave |
| Heating | Oil |
| Cooling | Wall/Window Unit(s) |
| Has Basement | Yes |
| Basement | Finished |
| Fireplace | No |
| # of Stories | 5 |
Exterior
| Exterior | Brick |
|---|
School Information
| District | Mount Vernon |
|---|---|
| Elementary | Pennington |
| Middle | Pennington |
| High | Mt Vernon High School |
Additional Information
| Date Listed | May 23rd, 2025 |
|---|---|
| Days on Market | 466 |
| Short Sale | No |
| RE / Bank Owned | No |
| Pets | Breed Restrictions |
Listing Details
| Office | Gould Properties & Management |
|---|