A fantastic opportunity to own a versatile three-family property in the heart of Port Chester, offering an ideal setup for investors, owner-occupants, or multi-generational living. Situated on a desirable corner lot, this triplex features three separate units, with the third unit spanning the top two floors and offering a spacious multi-level layout.
The property offers multiple porches and a patio, creating plenty of space to enjoy the outdoors, while the above-ground pool adds another great spot for relaxing and entertaining. A detached two-car garage provides additional parking and storage.
Conveniently located close to the Port Chester Metro-North station, as well as shopping, dining, and local amenities, this property combines flexibility, outdoor space, and a commuter-friendly location in one exceptional opportunity!
For sale
$999,000
318 William Street, Port Chester, NY 10573
7beds
3,100sqft
Triplex, Multi Family
Built in 1900
-- sqft lot
$-- Zestimate®
$322/sqft
$-- HOA
What's special
Detached two-car garageMultiple porchesDesirable corner lotAbove-ground poolSpacious multi-level layout
- 11 days
- 1,764
- 126
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Keller Williams Realty Partner 914-962-0007,
Jason Martinez 347-605-4456
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 1039591
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 7
- Bathrooms: 4
- Full bathrooms: 4
Heating
- Natural Gas, Radiant
Cooling
- Wall/Window Unit(s)
Appliances
- Laundry: Washer/Dryer Hookup, Multiple Locations
Features
- Built-in Features, Ceiling Fan(s), Eat-in Kitchen, Recessed Lighting, Storage
- Flooring: Hardwood, Laminate, Tile, Vinyl
- Basement: Full
- Has fireplace: No
Interior area
- Total structure area: 3,100
- Total interior livable area: 3,100 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage, On Street
- Garage spaces: 2
- Has uncovered spaces: Yes
Features
- Patio & porch: Deck, Patio
- Exterior features: Rain Gutters
- Has private pool: Yes
- Pool features: Above Ground
- Fencing: Fenced
Lot
- Size: 9,781 Square Feet
- Features: Back Yard, Corner Lot
Details
- Additional structures: Garage(s)
- Parcel number: 48011420000002900100590000000
- Special conditions: None
Construction
Type & style
- Home type: MultiFamily
- Architectural style: Victorian
- Property subtype: Triplex, Multi Family
Materials
- Frame, Vinyl Siding
Condition
- Year built: 1900
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Electricity Connected, Sewer Connected, Trash Collection Public, Water Connected
Community & HOA
Community
- Security: Fire Escape
Location
- Region: Port Chester
Financial & listing details
- Price per square foot: $322/sqft
- Tax assessed value: $883,200
- Annual tax amount: $17,330
- Date on market: 8/17/2026
- Cumulative days on market: 12 days
- Listing agreement: Exclusive Right To Sell
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 8/17/2026 | Listed for sale | $999,000$322/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $883,200 +6% |
| 2024 | -- | $833,200 +6% |
| 2023 | -- | $786,000 +20.7% |
| 2022 | -- | $651,400 +17.7% |
| 2021 | -- | $553,600 |
| 2020 | -- | $553,600 +14.6% |
| 2019 | -- | $483,200 +6.4% |
| 2018 | -- | $454,300 +9% |
| 2017 | -- | $416,800 +5.6% |
| 2016 | -- | $394,800 +8.1% |
| 2015 | -- | $365,300 +22.6% |
| 2014 | -- | $298,000 -5.9% |
| 2013 | -- | $316,800 -1.1% |
| 2012 | -- | $320,400 -33.4% |
| 2011 | -- | $481,200 -2.7% |
| 2010 | -- | $494,400 -14% |
| 2009 | -- | $574,900 -1% |
| 2008 | -- | $580,700 -5% |
| 2007 | -- | $611,300 +14.5% |
| 2006 | -- | $534,000 +13.4% |
| 2005 | -- | $470,800 +7% |
| 2004 | -- | $440,000 +4788.9% |
| 2003 | -- | $9,000 |
| 2002 | -- | $9,000 |
| 2001 | -- | $9,000 |
| 2000 | -- | $9,000 |
| 1999 | -- | $9,000 |
Find assessor info on the county website
Monthly payment
Climate risks
Neighborhood: 10573
Nearby schools
Schools provided by the listing agent
- Elementary: Park Avenue School - Westchester
- Middle: Port Chester Middle School
- High: Port Chester Senior High School
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.






