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3 Lonscreek Place, 
Mastic Beach, NY 11951

$649,000

4

Beds

3

Baths

1,546

Sq Ft

Single Family

Active

Listed by

Kathleen A. Cannet

, 

Anthony F. Alfano

Century 21 Cor Ace Realty Inc

Last updated:

August 2, 2026, 11:12 AM

MLS#

1021245

Source:

OneKey MLS

About This Home

3 Lonscreek Place

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!

Home Facts

Single Family

3 Baths

4 Bedrooms

Built in 2001

Price Summary

649,000

$419 per Sq. Ft.

MLS #:

1021245

Last Updated:

August 2, 2026, 11:12 AM

Added:

a month ago

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

3

Full Bathrooms:

2

Interior

Living Area:

1,546 Sq. Ft.

Structure

Structure

Architectural Style:

Colonial

Building Area:

1,546 Sq. Ft.

Year Built:

2001

Lot

Lot Size (Sq. Ft):

11,761

Finances & Disclosures

Finances

Price:

$649,000

Price per Sq. Ft:

$419 per Sq. Ft.

Source:OneKey MLS
Copyright 2026 OneKey MLS. All rights reserved. Listings courtesy of OneKey MLS as distributed by MLS GRID . OneKey MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. OneKey MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of OneKey MLS.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.