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439 Southport StreetRonkonkoma, NY 11779

For Sale

$699,999

Smart Buyer Rebate $5,000

Welcome to this lovely Colonial home Located in the Lakeland Area of Ronkonkoma, Connetquot Schools. Enter this home from charming Paver Walkway and Porch, Leading through a Newer Door into Foyer, Large Formal Living Room, Updated Eat-In-Kitchen with Custom Wood Cabinets, Newer Stainless Steel appliances including Induction Stove, entrance to heated Garage, Formal Dining Room with Opening to Kitchen, Cozy Den with Woodburning Fireplace with Insert Energy Efficient Freestanding Vermont cast Iron Burner, Door to Beautiful 75 X150 Flat yard with Large Patio for entertaining and Hot Tub (gift). Upstairs: All Very Large Bedrooms, walk in closet, including Huge Primary Bedroom, New Full Bath, Raised Panel Doors, All Hardwood Floors, Lower Lever: The Full Finished basement offers incredible expansion potential and features a convenient outside entrance. This space is currently configured into 4 separate rooms, complete with a wet bar, a full bathroom, including plumbing, Electric, baseboard heating. “Please Note” this area requires Tender Loving Care (TLC) allowing the new owner the unique opportunity to customize the space to their exact style and need. Newer Roof, Updated Windows, Comfort is ensured year-round with 6 Split- System Providing both cooling and supplemental heating throughout home. Baseboard heat is provided by a 4 Zone Peerless Boiler with Separate Hot Water Heater.

Listed by Lynn R. Deeg

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Coldwell Banker American Homes

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631-588-9090

Last updated November 08, 2025

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Source: OneKey #932830

Listing Facts

  • TypeSingle-family
  • NeighborhoodRonkonkoma
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu13
  • Taxes$11,978.41/year
  • Size1,800 sqft
  • Price per sqft$389

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Parking

Location

Mortgage Calculator

Listing History

11/06/2025
Listed by Coldwell Banker American Homes
$699,999

Property Details for 439 Southport Street

Exterior

Construction

  • Window Features: Double Pane Windows
  • Year Built: 1970
  • Architectural Style: Colonial
  • Construction Materials: Vinyl Siding

Features

  • Direction Faces: South
  • Patio And Porch Features: Patio

Measurements

  • Building Area Units: Square Feet
  • Lot Size Acres: 0.26
  • Lot Size Square Feet: 11,326

Financial

Taxes

  • Parcel Number: 0500-084-00-03-00-025-000
  • Tax Annual Amount: $11,978.41
  • Tax Assessed Value: $38,800.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Convection Oven, Cooktop, Dishwasher, Electric Range, Refrigerator, Washer
  • Fireplace Features: Family Room, Wood Burning, Wood Burning Stove
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Carpet, Hardwood
  • Interior Features: Beamed Ceilings, Breakfast Bar, Ceiling Fan(s), Eat-in Kitchen, Entrance Foyer, Formal Dining, Open Kitchen, Pantry, Tile Counters, Walk Through Kitchen, Washer/Dryer Hookup, Wet Bar

Measurements

  • Living Area: 1,800
  • Living Area Source: Public Records

Rooms

  • Basement: Finished, Full, Partially Finished, Storage Space, Walk-Out Access
  • Has Basement: Yes
  • Bathrooms Full: 1
  • Bathrooms Half: 2
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Rooms Total: 8

Parking

Parking

  • Garage Spaces: 1
  • Garage: Yes
  • Parking Features: Driveway, Garage

Schools

Elementary School

  • Elementary School: Helen B Duffield Elementary School
  • Elementary School District: Connetquot

High School

  • High School: Connetquot High School
  • High School District: Connetquot

Middle or Junior School

  • Middle Or Junior School: Ronkonkoma Middle School
  • Middle Or Junior School District: Connetquot

Utilities

Equipment

  • Cooling: Ductless, ENERGY STAR Qualified Equipment
  • Heating: Oil
  • Sewer: Cesspool
  • Utilities: Electricity Connected
  • Water Source: Public

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 2025, 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.