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3 Lonscreek PlaceMastic Beach, NY 11951

For Sale

$649,000

Smart Buyer Rebate $3,725

This fully renovated, 4-bedroom, 3-bathroom Colonial merges classic architectural elegance with state-of-the-art modern living on a serene, park-like, corner property. Situated within the award-winning William Floyd School District, adjacent to the William Floyd Estate the home features a finished basement perfect for family gatherings and a first floor adorned with rich Brazilian Cherry hardwood. A 2024 renovation introduced new roof, siding, new central air conditioning, and a massive column-free 3-car garage, climate-controlled, fully insulated garage serves as a professional-grade workshop, boasting pre-poured footings for a car lift, a dedicated 100-amp sub-panel. The main electrical service was upgraded to 200 amps. Premium mechanical systems include a highly efficient 3-zone hydronic heating setup powered by a Buderus cast-iron boiler and a indirect hot water heater. Beautifully landscaped property features a 7-zone lawn sprinkler system, fire pit and Cambridge pavers for exceptional outdoor enjoyment. Propane lines for both the kitchen stove and fireplace. Complete with a new double-wide driveway, all Certificates of Occupancy will be provided. This turn-key property carries annual taxes of just $9,867.27 after the STAR exemption. Call today to schedule your private showing - You Will Not be disappointed!

Listed by Kathleen A. Cannet

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Century 21 Cor Ace Realty Inc

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631-878-3400

Listed by Anthony F. Alfano

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Century 21 Cor Ace Realty Inc

Last updated July 19, 2026

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Source: OneKey #1021245

Listing Facts

  • TypeSingle-family
  • NeighborhoodMastic Beach
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu29
  • Taxes$10,572/year
  • Size1,546 sqft
  • Price per sqft$420

Amenities

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

Location

Mortgage Calculator

Listing History

07/02/2026
Listed by Century 21 Cor Ace Realty Inc
$649,000

Property Details for 3 Lonscreek Place

Exterior

Construction

  • Property Condition: Actual
  • Window Features: Blinds, Screens, Shutters
  • Year Built: 2001
  • Architectural Style: Colonial
  • Construction Materials: Frame
  • Exterior Features: Fire Pit, Mailbox

Features

  • Direction Faces: South
  • Fencing: Back Yard, Vinyl
  • Other Structures: Shed(s)
  • Patio And Porch Features: Patio, Porch, Wrap Around
  • Road Frontage Type: Municipal

Measurements

  • Building Area Total: 1,546
  • Building Area Units: Square Feet
  • Frontage Type: Municipal
  • Lot Features: Back Yard, Corner Lot
  • Lot Size Acres: 0.27
  • Lot Size Dimensions: 135
  • Lot Size Square Feet: 11,761

Financial

Taxes

  • Parcel Number: 0200-974-90-11-00-016-000
  • Tax Annual Amount: $10,572.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Disposal, Dryer, ENERGY STAR Qualified Appliances, Gas Oven, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer, Indirect Water Heater
  • Fireplace Features: Gas
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Carpet, Hardwood, Tile
  • Interior Features: Built-in Features, Chandelier, Double Vanity, Eat-in Kitchen, Formal Dining, Low Flow Plumbing Fixtures, Pantry, Primary Bathroom, Recessed Lighting, Smart Thermostat, Storage, Walk-In Closet(s), Washer/Dryer Hookup

Measurements

  • Living Area: 1,546
  • Living Area Source: Public Records

Rooms

  • Basement: Finished, Full
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Rooms Total: 8

Other

General

  • Exclusions: Hot Tub, generator, air compressor, garage freezer, basement refrigerator

Location

  • Tax Block: 9004
  • Tax Lot: 17

Parking

Parking

  • Garage Spaces: 3
  • Garage: Yes
  • Parking Features: Attached, Driveway, Garage, Garage Door Opener, Heated Garage, On Street, Private
  • Parking Total: 6

Schools

Elementary School

  • Elementary School: Tangier Smith Elementary School
  • Elementary School District: William Floyd

High School

  • High School: William Floyd High School
  • High School District: William Floyd

Middle or Junior School

  • Middle Or Junior School: William Paca Middle School
  • Middle Or Junior School District: William Floyd

Utilities

Equipment

  • Cooling: Central Air, Ductless, ENERGY STAR Qualified Equipment, Zoned
  • Heating: Baseboard, Ducts, ENERGY STAR Qualified Equipment, Oil, Other
  • Laundry Features: Gas Dryer Hookup, In Kitchen, Washer Hookup
  • Sewer: Cesspool
  • Utilities: Cable Available, Electricity Connected, Phone Connected, Propane, Trash Collection Public, Water Connected
  • Water Source: Public

Frequently Asked Questions

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

There are 4 bedrooms and 3 bathrooms in this single-family home at 3 Lonscreek Place.

What schools are nearby to 3 Lonscreek Place?

Nearby schools include the Tangier Smith Elementary School, William Paca Middle School, and William Floyd High School.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 3 Lonscreek Place.

What are the annual taxes for 3 Lonscreek Place?

Annual taxes for this single-family home are estimated at $10,572.

How does 3 Lonscreek Place compare to other single-family homes in Mastic Beach?

This single-family home is listed 33% above the average price for single-family homes in Mastic Beach and has been on the market for 93 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 1,546 sqft.

3 Lonscreek Place is a 4-bedroom, 3-bath single-family home for sale in Mastic Beach NY 11951. Available on Prevu for 29 days at $649,000. This residence features 1,546 square feet of living space, located in Mastic Beach. The median listing price for single-family homes in this area is $465,000. Nearby schools include Tangier Smith Elementary School, William Paca Middle School, and William Floyd High School. Property amenities include private outdoor space, dishwasher, air conditioning, parking, and washer/dryer. Browse 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.