20 Siefert Avenue
Miller Place, NY 11764

$1,159,500

Beds: 4
Baths: 2 full 1 partial
Sq. Feet: 2595
MLS ID: 1029609
Subdivision: Siefert Gardens
School Dist: Miller Place
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 RightsConstruction to begin fall of 2026 Open floor plan, two story foyerThis 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 View this listing at: http://irisbluth.laffey.com/mls=1029609

Property Features

School Information

Printed July 25, 2026


Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 07/25/2026. The listing information on this page last changed on 07/25/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Sat 07/25/2026 12:00:05 AM EST) or OneKey MLS (last updated Fri 07/24/2026 11:53:28 PM EST). Real estate listings held by brokerage firms other than Laffey Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

Listing data and photos distributed by MLSGRID
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.



Privacy Policy / DMCA Notice / ADA Accessibility