Back to property search

Active

20 Old Route 25A

Northport, NY, 11768

$1,950,000
6Bedrooms
5Bathrooms
4,426Interior sq ft
1Acres
1979Year built

AN INTRODUCTION

A closer look.

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. 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 overview

Property type
Single Family Residence
Architecture
Exp Ranch, Ranch
Condition
Actual
Year built
1979
Lot size (sq ft)
43,560
Status
Active
Listed
2026-09-16
MLS number
KEY1051896

Interior & comfort

Interior features
First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Eat-in Kitchen, Entrance Foyer, Formal Dining, High Ceilings, High Speed Internet, Kitchen Island, Open Floorplan, Primary Bathroom, Storage, Walk Through Kitchen, Walk-In Closet(s)
Appliances
Dishwasher, Dryer, Electric Range, Electric Water Heater, Refrigerator, Stainless Steel Appliance(s), Washer
Heating
Oil
Cooling
Central Air
Basement
Finished, Partial, Storage Space, Unfinished, Walk-Out Access

Outdoors & amenities

Exterior features
Lighting, Mailbox
Parking
Driveway, Garage, Garage Door Opener
Garage spaces
2
Pool
Fenced, In Ground, Pool Cover, Salt Water

Schools & location

Postal town
Northport
County
Suffolk County
School district
Kings Park
Elementary school
Fort Salonga Elementary School
Middle school
William T Rogers Middle School
High school
Kings Park High School

Taxes & utilities

Annual property taxes
$40,942
Tax year
2026
Association
No
Water
Public
Sewer
Cesspool, Septic Tank

Listing courtesy of REMI Realty · 516-500-3537
MLS #KEY1051896 · Active

LET’S CONNECT

Arrange a showing.

Share your preferred dates and any questions. We’ll follow up to confirm availability.

Prefer to talk? 516.888.9711

We’ll use these details to respond to your inquiry. Your message is sent securely through our email provider, Resend. Please don’t include sensitive financial information.