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20 Siefert Avenue, 
Miller Place, NY 11764

$1,159,500


4

Beds


3

Baths


2,595

Sq Ft


Single Family

Active

Listed by

Himilce M. Petsco

Jolie Powell Realty Inc

Last updated:

August 8, 2026, 12:17 PM

MLS#

1029609

Source:

OneKey MLS

About This Home

20 Siefert Avenue

RARE OPPORTUNITY! Custom New Modern Farmhouse Construction– North of Old Country Road On Quiet Dead End Street Located in the Miller Place Park Homeowners Association with Private Beach Rights Construction to begin fall of 2026 Open floor plan, two story foyer This brand-new 2,595 square foot Modern Farmhouse, thoughtfully designed with a classic curb appeal and a highly functional modern layout. Featuring 4 bedrooms, 2.5 bathrooms, a full 8’ basement with outside entrance and an attached garage This home blends timeless architecture with today’s current energy efficacies and lifestyle needs. The inviting covered front porch leads into a well-proportioned first floor offering an open yet defined layout. The spacious living room flows seamlessly into the eat-in kitchen, complete with a center island, pantry, and direct access to a rear yard, ideal for everyday living and entertaining. A convenient half bath and interior access to the garage complete the main level. Upstairs, the second floor features four generously sized bedrooms, including a primary bedroom with a 9’6” ceiling, walk in closet, and ensuite bath. Full hall bath conveniently located to service the 3 bedrooms. Miller Place School District

Home Facts

Single Family

3 Baths

4 Bedrooms

Built in 2026

Subdivision & Development:

Siefert Gardens

Price Summary

1,159,500

$446 per Sq. Ft.

MLS #:

1029609

Last Updated:

August 8, 2026, 12:17 PM

Added:

17 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

3

Full Bathrooms:

2

Interior

Living Area:

2,595 Sq. Ft.


Structure

Structure

Architectural Style:

Farmhouse

Building Area:

3,036 Sq. Ft.

Year Built:

2026


Lot

Lot Size (Sq. Ft):

9,500


Finances & Disclosures

Finances

Price:

$1,159,500

Price per Sq. Ft:

$446 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.