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257 Southlawn AvenueCentral Islip, NY 11722

For Sale

$849,000

Smart Buyer Rebate $8,490

Renovated 3-bedroom, 2-bath home near Connetquot State Park. Features an updated eat-in kitchen, formal dining area, and living room with wood-burning fireplace. Primary suite includes a private bath and walk-in closet.

Full unfinished basement with outside entrance for additional storage. Situated on a horse property with a 6-stall barn.

Rental price reflects the house only; barn use available at additional cost. Close to parks, trails, and outdoor recreation.

Listed by Nicole N. Kurt

·

365 Realty Group Inc

·

631-863-1111

Last updated June 14, 2026

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Source: OneKey #995949

Listing Facts

  • TypeSingle-family
  • NeighborhoodCentral Islip
  • Bedrooms3
  • Bathrooms3
  • Days on Prevu41
  • Taxes$13,797/year
  • Size1,610 sqft
  • Price per sqft$527

Amenities

  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

05/06/2026
Listed by 365 Realty Group Inc
$849,000

Property Details for 257 Southlawn Avenue

Exterior

Construction

  • Year Built: 1963
  • Architectural Style: Ranch
  • Construction Materials: Cedar, Frame

Measurements

  • Building Area Total: 3,370
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.68
  • Lot Size Square Feet: 29,621

Financial

Taxes

  • Parcel Number: 0500-123-00-01-00-021-000
  • Tax Annual Amount: $13,797.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Refrigerator, Oil Water Heater
  • Fireplace: Yes
  • Interior Features: First Floor Bedroom, Cathedral Ceiling(s), Eat-in Kitchen, Kitchen Island, Open Floorplan, Open Kitchen, Pantry, Primary Bathroom, Master Downstairs, Walk-In Closet(s)

Measurements

  • Living Area: 1,610
  • Living Area Source: Other

Rooms

  • Basement: Full, Walk-Out Access
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 3
  • Rooms Total: 8

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Attached, Driveway, Garage, Private, Storage

Schools

Elementary School

  • Elementary School: Andrew T Morrow School
  • Elementary School District: Central Islip

High School

  • High School: Central Islip Senior High School
  • High School District: Central Islip

Middle or Junior School

  • Middle Or Junior School: CHARLES A MULLIGAN ELEMENTARY SCHOOL
  • Middle Or Junior School District: Central Islip

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Hot Water, Oil
  • Sewer: Cesspool
  • Utilities: Electricity Available, Water Available
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 3 bedrooms and 3 bathrooms in this single-family home at 257 Southlawn Avenue.

What schools are nearby to 257 Southlawn Avenue?

Nearby schools include the Andrew T Morrow School Elementary School, CHARLES A MULLIGAN ELEMENTARY SCHOOL Middle School, and Central Islip Senior High School.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 257 Southlawn Avenue.

What are the annual taxes for 257 Southlawn Avenue?

Annual taxes for this single-family home are estimated at $13,797.

How does 257 Southlawn Avenue compare to other single-family homes in Central Islip?

This single-family home is listed 36% above the average price for single-family homes in Central Islip and has been on the market for 41 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 1,610 sqft.

257 Southlawn Avenue is a 3-bedroom, 3-bath single-family home for sale in Central Islip NY 11722. Available on Prevu for 41 days at $849,000. This residence features 1,610 square feet of living space, located in Central Islip. The median listing price for single-family homes in this area is $563,000. Nearby schools include Andrew T Morrow School Elementary School, CHARLES A MULLIGAN ELEMENTARY SCHOOL Middle School, and Central Islip Senior High School. Additional amenities include air conditioning and parking. Explore more single-family home listings in Suffolk County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.