Date
Details
Price
Change
Source
8/17/2026
Listed
$999,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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Property Description
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!
Full Property Details
Full Property Details for 318 William St
General
- Price: $999,000
- Taxes: $17,330
- Status: Active
- Type: Multi-Family
- Source: Long_Island
- MLS ID: 1039591
- Updated: 8/18/2026
- Added to Site: 10 day(s) ago
Interior
- Interior Features: Built-in Features, Ceiling Fan(s), Eat-in Kitchen, Recessed Lighting, Storage, Washer/Dryer Hookup
- Laundry Facilities: Yes
- Flooring: Hardwood, Laminate, Tile, Vinyl
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 4
Bedrooms
- Total Bedrooms: 7
Other Rooms
- Laundry: Multiple Locations
Additional Information
- Pool: Yes
- Private Pool: Yes
- Pool Description: Above Ground
- Security/Safety: Fire Escape
Exterior
- Exterior Features: Rain Gutters
- Porch/Patio/Deck: Deck, Patio
Parking
- Garage: Yes
- Garage Spaces: 2
- Parking Features: Garage, On Street
Location
- County: Westchester County
School Information
- High School District: Port Chester-Rye
- Elementary School: Park Avenue School - Westchester
- Middle School: Port Chester Middle School
- High School: Port Chester Senior High School
Heating & Cooling
- Cooling Type: Wall/Window Unit(s)
- Heating Type: Natural Gas, Radiant
Utilities
- Sewer: Public Sewer
- Water: Public
- Utility Description: Electricity Connected, Sewer Connected, Trash Collection Public, Water Connected
Structural Information
- Architectural Style: Victorian
- Detached/Attached: Detached
- Construction: Frame, Vinyl Siding
- Basement: Yes
- Basement Desc.: Full Basement
- Building Size: 3100
- Square Feet: 3,100
- Year Built: 1900
Additional Structures
- Other Structures: Garage(s)
Lot Features
- Lot Size (Acres): 0.2245
- Lot Size (Sq. Ft.): 9,781
- Frontage: Municipal
- Road Maintenance: Public Maintained Road
- Fence: Yes
- Lot Features: Back Yard, Corner Lot
- Fencing (Description): Fenced
Financial Considerations
- Tax Amount: $17,330
Disclosures and Reports
- Special Conditions: None
- Property ID: 4801-142-000-00029-001-0059-0000000
Listed by Keller Williams Realty Partner
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Listing agent
— 318 William St —
Keller Williams Realty Partner
914-962-0007
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 318 William St
School District:Port Chester-Rye Union Free School District
| Name | Grades | Distance |
|---|---|---|
John F. Kennedy Elementary School, Port Chester, NY 40 Olivia Street, Port Chester, NY 10573 | K-5 | 0.2 mi |
Port Chester Middle School 113 Bowman Ave, Port Chester, NY 10573 | 6-8 | 0.7 mi |
Port Chester Senior High School 1 Tamarack Road, Port Chester, NY 10573 | 9-12 | 0.8 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 318 William St
Tax History
Tax History for 318 William St
Year
Property Taxes
Change
Tax Assessment
Change
2025
$20,011
100%
$883,200
6%
2024
100%
$833,200
6%
2020
100%
$786,000
21%
2020
100%
$651,400
18%
2020
-100%
$553,600
15%
2020
$11,222
1%
$483,200
6%
2018
$11,130
70%
$454,300
9%
2017
$6,529
-26%
$416,800
6%
2017
$8,773
19%
$394,800
8%
2016
$7,394
-35%
$365,300
23%
2015
$11,432
-7%
$298,000
-6%
2014
$12,312
—
$316,800
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 318 William St
318 William Street, Port Chester, NY 10573 (MLS# 1039591) is a Multi-Family property with 3 units containing 7 bedrooms and 4 full bathrooms. 318 William Street is currently listed for $999,000 and was received on August 17, 2026. Want to learn more about 318 William Street? Do you have questions about finding other Multi-Family real estate for sale in Port Chester? You can browse all Port Chester real estate or contact a Coldwell Banker agent to request more information.