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Northport, NY

20 Old Route 25A

Status: Active$1,950,000

6 Bed · 5 Bath · 4,426 Sq Ft · Multi-Family

Exterior of 20 Old Route 25A in Northport

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About this home

Legal 2-family ranch on a full acre in the hamlet of Fort Salonga, Town of Smithtown. Northport mailing address (11768). Kings Park Schools. Legal 2-family layout also works as a multi-generational or mother-daughter home, with two living wings, two kitchens, and separate utility meters. This house is large, with more rooms than can be shown in the listing photos — come see it in person to get the full layout. Approximately 4,426 sq ft with 6 bedrooms, 3 full baths, and 2 half baths. Original home built 1979; extension added 2003. GAF 50-year shingles were installed on the entire house in 2003 at the same time as the addition. Hardwood flooring throughout the main house and the extension. Vaulted ceilings in both houses. Two distinct main-level living wings. Kitchen with center island opens to dining and a vaulted living area with brick fireplace and skylights. Second kitchen and living wing on the main floor. Main bath in the extension has heated flooring and a jacuzzi bathtub. Main house has three heating zones: bedrooms, living area, and basement. Central air in the main house is first floor only, with two separate zones: one for the bedrooms and one for the living area. Extension has two heating and cooling zones, one for each floor. Both oil tanks are above ground and located in the basements. Two separate basement areas. The main-house basement is partially finished with rec room and walk-out access from the garage. The extension basement is partially above grade due to the slope of the property, with full-size windows, 10-ft clearance, and a walk-out. In-ground saltwater pool added 2004 with paver patio. Pool has its own drywell so the filter can be backwashed directly into the drywell. Pool is fenced. Property is partially fenced. PVC deck connecting the two houses. Motion-sensor lighting around the exterior. Mature evergreens. Attached two-car garage and long paved driveway with its own lighting. Main house on cesspool; extension on its own septic system. Separate meters for all utilities, including water. Taxes have been grieved; decision pending.

Property details

Overview
Property type
Residential Income
Property sub-type
Duplex
Township
Smithtown
Hamlet
Fort Salonga
Building area (sq ft)
4,426
Architectural style
Exp Ranch, Ranch
Waterfront
No
Year built
1979
Lot size (sq ft)
43,560
Acres
1.00
Units
2
Flood zone
No
Interior
Interior features
1st Floor Bedroom, 1st Floor Full Bath, Cathedral Ceiling(s), Eat-in Kitchen, Entrance Foyer, Formal Dining Room, High Ceilings, High Speed Internet, Kitchen Island, Open Floorplan, Primary Bathroom, Storage, Walk Through Kitchen, Walk-In Closet(s)
Laundry
Electric Dryer Hookup, In Unit, Multiple Locations
Flooring
Carpet, Ceramic Tile, Hardwood
Fireplace
Yes
Basement
Yes, Finished, Partial, Storage Space, Unfinished, Walk- Out Access
Exterior
Exterior features
Lighting, Mailbox
Garage / spaces
Yes/2.0
Parking
7.0/Driveway, Garage, Garage Door Opener
Construction
Cedar, Frame
Other structures
Shed(s)
Fencing
Partial
Pool
Yes — Fenced, In Ground, Pool Cover, Salt Water
Patio / porch
Deck, Wrap Around
Systems & Utilities
Cooling
Central Air
Sewer
Cesspool, Septic Tank
Heating
Oil
Water
Public
Schools
Elementary school district
Kings Park
Elementary school
Fort Salonga Elementary School
Middle school district
Kings Park
Middle school
William T Rogers Middle School
High school district
Kings Park
High school
Kings Park High School
Taxes & Fees
Annual taxes
$40,942
Tax year
2026
Taxes include
Trash
HOA
No

Information is believed accurate but not guaranteed. Please confirm any detail that matters to your decision with Andrew.

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