1 Sunken Valley Dr
Luxury new construction to be built in 2027 at 1 Sunken Valley Drive, Mount Sinai, situated on .70 acres on a cul-de-sac. This thoughtfully designed Colonial offers approximately 3,400 square feet of living space with five bedrooms, three full bathrooms, and one half bath, plus a full basement and attached two-car garage. The proposed exterior pairs crisp white siding with stone accents, contrasting black windows, and a covered front entry for striking curb appeal. Inside, a dramatic two-story foyer welcomes you to a spacious layout featuring a formal dining room, separate den/study, and an expansive living room with fireplace opening to the kitchen. A large center island and separate pantry create an inviting setting for everyday living and entertaining. A first-floor guest bedroom with a nearby full bathroom provides flexible accommodations, while a laundry area and powder room add convenience. Upstairs, the generous primary suite features a walk-in closet and private bathroom with double vanity, soaking tub, and separate shower. Three additional bedrooms and a full hall bathroom complete the second floor. A beautifully planned home combining timeless style, spacious gathering areas, and a versatile layout. Price reflects purchase using a construction loan or cash. Renderings are illustrative; final design, finishes, and specifications are subject to builder confirmation.
Listing Information
Facts & Features
Location
Community Information
Architecture
Features & Amenities
Property Features
Square Footage
Tax & Financial Information
Schools
Earl L Vandermeulen High School
Arrowhead Elementary School
Mount Sinai Elementary School
Comsewogue High School
John F Kennedy Middle School
Clinton Avenue School
Port Jefferson Middle School
Andrew Muller Primary School
School ratings are provided for informational purposes only and are subject to change. Attendance boundaries are for reference only — contact the school or district directly to verify enrollment eligibility.
Historical Data
Price History
| Date | Event | Price |
|---|---|---|
| 10/12/2026 | Listed for sale | $1,399,999 |
Listed by Bryan J. Karp CBR · Coldwell Banker American Homes · 6318639800
Listing information provided exclusively 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 deemed reliable but not guaranteed by the MLS. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed. Copyright 2026, OneKey MLS. All rights reserved.
Last Updated: October 13, 2026 at 9:04 AM | Source: OneKey MLS | MLS#: 1061070

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