20 Siefert Avenue

Miller Place, NY
$ 1,159,500 Beds 4 Baths 2.5 Sq 2,595
Monthly Estimate* How much can I afford?

RARE OPPORTUNITY! Custom New Modern Farmhouse Construction TO BE BUILT– 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

Single Family

  • Price
  • $ 1,159,500
  • City
  • Miller Place
  • Bedrooms
  • 4
  • Full Bathrooms
  • 2
  • County
  • SUFFOLK
  • Half Bathrooms
  • 1
  • Area
  • Lot Size
  • 0.22 Acres
  • Zip
  • 11764
  • Sqr Footage
  • 2,595
  • Year Built
  • 2026
  • Style
  • Farmhouse
  • MLS#
  • 1029609
Listed By: Jolie Powell Realty Inc
Data Source: Listings courtesy of OneKey® MLS as distributed by MLS GRID

Features

General

Sewer Septic Tank
Heating Forced Air,Propane
Cooling Central Air
Utilities Cable Connected,Electricity Connected,Propane,Water Connected
Appliances Stainless Steel Appliance(s)
HOA Fee 425
Garage Spaces 2
Association Fee Includes Other
Architectural Style Farmhouse
Construction Materials Frame,Vinyl Siding
Year Built 2026
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 1313870
Community Features Other
Assoc Fee Paid Per Annually
County Suffolk County
Property Type Residential
Association Amenities Other
HOA Yes
Subdivision Name Siefert Gardens
Facing Direction East
Garage Y/N Yes
Total Rooms 12
Full Baths 2
Directions Lower Rocky Point Road to Miller Court to Siefert Avenue. Lot is at end of the street Note# Number 20 does not show up yet on maps use house number 18
High School Miller Place High School
City Brookhaven
Association Name Miller Place Park Homeowners Association
Senior Community Y/N No
High School District Miller Place
Carport Y/N No
Elementary School Andrew Muller Primary School
Property Attached Y/N No
Middle/Junior High School North Country Road School
Property Condition New Construction,To Be Built
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Miller Place
Elementary School District Miller Place
Tax Lot 23
PostalCity Miller Place
AttributionContact 631-473-0420
Listing Appliances Stainless Steel Appliance(s)

Interior Features

Interior Amenities Kitchen Island,Open Floorplan,Open Kitchen,Pantry,Quartz/Quartzite Counters,Recessed Lighting,Soaking Tub,Walk-In Closet(s)
Basement See Remarks,Unfinished
Flooring Hardwood
Total Fireplaces 1
Fireplace Features Gas
Basement Features See Remarks, Unfinished
Basement (Y/N) Yes
Window Features Insulated Windows
Fireplace Y/N Yes
Half Baths 1
Total Bedrooms 4
Total Baths 3
General Features Kitchen Island,Open Floorplan,Open Kitchen,Pantry,Quartz/Quartzite Counters,Recessed Lighting,Soaking Tub,Walk-In Closet(s)
Walk-In Closet Yes

Exterior Features

Parking Features Driveway,Garage
Water Source Public
Total Parking 2
Parking Spaces 2
Parking Features Driveway, Garage
Spa No
Building Area Total 3036
Waterfront Y/N No
Horse Y/N No

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Flushing, NY office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Andrew Muller Primary School Elementary School
Middle School North Country Road School Middle School
High School Miller Place High School

Price History

7/24/2026 Listed $1,159,500

Property vs Zip Code Average in 11764

Price
AVG $880K
$1.16M
Year Built
AVG 1976
2026
Visits
AVG 102
17
Data Provided by Inside Real Estate®

Areas That We Cover

20 Siefert Avenue Miller Place, NY is a Single Family Home for sale at $1159500 with 2595 sqft and a lot size of 0.22 Acres Acre(s). 20 Siefert Avenue Miller Place has 4 bedrooms, 2 baths and was built in 2026. The property's zip code is 11764 which is in Miller Place, NY

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site 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.

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