Two-Family Colonial on a Quiet Cul-de-Sac in East Northport! Nestled at the end of a peaceful cul-de-sac in East Northport, this well-maintained two-family Colonial offers an exceptional opportunity for investors or those seeking flexible multi-generational living.
The upper unit features 3 bedrooms and 1 full bath, while the lower unit boasts 3 bedrooms and 2 full baths. Each has separate ground-level entrances for convenience and privacy. The lower unit includes access to a full basement, ideal for storage, a workshop, or potential additional living space.
Designed for independent living, both units are equipped with separate utility meters, dedicated washer/dryer hookups, and private, comfortable layouts
The flat, grassy yard provides plenty of outdoor space for recreation or relaxation, while the generous off-street parking ensures ample room for residents and guests alike.
With its solid condition, prime location, and income-generating potential, this property is perfect for savvy investors, extended or multi-generational families, or homeowners seeking supplemental rental income. Don't miss your chance to own a rare and versatile East Northport gem.
For sale
$895,000
20-22 William Street, East Northport, NY 11731
6beds
2,822sqft
Duplex, Multi Family
Built in 1980
-- sqft lot
$-- Zestimate®
$317/sqft
$-- HOA
What's special
Flat grassy yardGenerous off-street parkingFull basementQuiet cul-de-sacPrivate comfortable layouts
- 15 days
- on Zillow |
- 2,210 |
- 179 |
Zillow last checked: 7 hours ago
Listing updated: August 16, 2025 at 11:39am
Listing by:
Signature Premier Properties 631-754-3600,
Kathryn A. Martin SFR CBR 516-901-2899,
Zachary A. Martin 631-923-5170,
Signature Premier Properties
Source: OneKey® MLS,MLS#: 897799

Travel times
Tour with a buyer's agent
Tour with a buyer's agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 3
- Full bathrooms: 3
Heating
- Baseboard, Oil
Cooling
- Central Air, Wall/Window Unit(s)
Appliances
- Laundry: Washer/Dryer Hookup, Laundry Room
Features
- First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen
- Flooring: Carpet, Hardwood
- Basement: Partial,Partially Finished
- Attic: Full,Scuttle
- Has fireplace: No
Interior area
- Total structure area: 2,822
- Total interior livable area: 2,822 sqft
Video & virtual tour
Property
Parking
- Total spaces: 8
- Parking features: Driveway
- Has uncovered spaces: Yes
Features
- Patio & porch: Porch
- Fencing: Back Yard,Partial
Lot
- Size: 9,583 Square Feet
- Features: Back Yard, Cleared, Cul-De-Sac, Front Yard, Level, Near Public Transit, Near School, Near Shops
Details
- Parcel number: 0400113000100005000
- Special conditions: None
Construction
Type & style
- Home type: MultiFamily
- Architectural style: Colonial
- Property subtype: Duplex, Multi Family
Materials
- Vinyl Siding
Condition
- Year built: 1980
Utilities & green energy
- Sewer: Cesspool
- Water: Public
- Utilities for property: None
Community & HOA
Location
- Region: East Northport
Financial & listing details
- Price per square foot: $317/sqft
- Tax assessed value: $3,500
- Annual tax amount: $13,320
- Date on market: 8/14/2025
- Cumulative days on market: 16 days
- Listing agreement: Exclusive Right To Sell
- Exclusions: Window ACs in upper unit
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