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557 Knoll Court, 
Seaford, NY 11783

$1,515,000

5

Beds

4

Baths

3,400

Sq Ft

Single Family

Active

Listed by

Birti K. Gandhi

Voro LLC.

Last updated:

May 24, 2026, 10:39 AM

MLS#

982568

Source:

OneKey MLS

About This Home

557 Knoll Court

Stunning 3,400 sq ft flat-roof modern new construction in desirable Island Trees School District! This 5-bedroom, 4-bath home offers a sleek, contemporary design with a spacious open layout and a beautifully designed oversized kitchen—perfect for entertaining. Featuring natural gas for heating, cooking, and efficiency, plus a large basement with outside entrance offering endless potential. One of the standout features is the oversized backyard, made possible by the home’s forward positioning on the lot—ideal for outdoor living, a pool, or future customization. A rare opportunity for buyers to still select their finishes, appliances, and landscaping to truly make this home their own. Exterior Photo is rendering and interior photos are of builders previous work.

Home Facts

Single Family

4 Baths

5 Bedrooms

Built in 2026

Price Summary

1,515,000

$445 per Sq. Ft.

MLS #:

982568

Last Updated:

May 24, 2026, 10:39 AM

Added:

1 month(s) ago

Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

4

Full Bathrooms:

4

Interior

Living Area:

3,400 Sq. Ft.

Structure

Structure

Architectural Style:

Colonial, Modern

Building Area:

3,400 Sq. Ft.

Year Built:

2026

Lot

Lot Size (Sq. Ft):

6,000

Finances & Disclosures

Finances

Price:

$1,515,000

Price per Sq. Ft:

$445 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.