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$1,399,999

1 Sunken Valley Dr

Mount Sinai, NY
Active
5
Bedrooms
3.5
Bathrooms
3,812
Square Feet
0.7
Lot Size (acres)
2027
Year Built
6
Days On Market

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

Listing Updated
4 days ago
Listed By
Bryan J. Karp CBR · Coldwell Banker American Homes, 6318639800
MLS#
1061070
Source
OneKey MLS
Status
Active

Facts & Features

Location

Community Information

Address
1 Sunken Valley Dr, Mount Sinai, NY 11766
City
Mount Sinai
County
Suffolk
Zip Code
11766

Architecture

Bedrooms
5
Bathrooms
3.5
Year Built
2027
Style
Colonial
Construction Materials
Frame
Building Area
3,812 sq. ft.
Garage
Yes
Garage Spaces
2
Parking Features
Driveway, Attached, Garage

Features & Amenities

Interior Features
Eat-in Kitchen, Walk-In Closet(s), Pantry, Kitchen Island, In-Law Floorplan, Master Downstairs, Double Vanity, Recessed Lighting, High Ceilings, Open Floorplan, Entrance Foyer, Soaking Tub, Chandelier
Appliances
Dishwasher
Flooring
Hardwood
Cooling
Central Air
Heating
Forced Air

Property Features

Lot Size
0.7 Acres
Water
Public
Sewer
Cesspool
Utilities
Electricity Connected

Square Footage

Total
3,400 sq. ft.

Tax & Financial Information

List Price
$1,399,999

Schools

76/100
Earl L Vandermeulen High School
High · Grades 09–12 · 1.7 mi
City
Port Jefferson
Students
357
Parent reviews
5.0★ avg · 2 reviews
Student body
81% White · 8% Asian · 7% Hispanic / Latino
Free/reduced lunch
6%
Phone
(631) 791-4421
76/100
Arrowhead Elementary School
Elementary · Grades PK–06 · 3 mi
City
East Setauket
Students
574
Parent reviews
5.0★ avg · 2 reviews
Student body
68% White · 14% Asian · 11% Hispanic / Latino
Free/reduced lunch
17%
Phone
(631) 730-4100
75/100
Mount Sinai Elementary School
Elementary · Grades KG–04 · 1.1 mi
City
Mount Sinai
Students
763
Parent reviews
5.0★ avg · 2 reviews
Student body
82% White · 11% Hispanic / Latino · 5% Asian
Free/reduced lunch
6%
Phone
(631) 870-2600
63/100
Comsewogue High School
High · Grades 09–12 · 2.5 mi
City
Port Jefferson Station
Students
1,153
Parent reviews
3.5★ avg · 4 reviews
Student body
57% White · 34% Hispanic / Latino · 4% Black
Free/reduced lunch
30%
Phone
(631) 474-8182
56/100
John F Kennedy Middle School
Middle · Grades 06–08 · 2.1 mi
City
Port Jefferson Station
Students
840
Student body
52% White · 39% Hispanic / Latino · 4% Black
Free/reduced lunch
29%
Phone
(631) 474-8160
56/100
Clinton Avenue School
Elementary · Grades KG–02 · 2.8 mi
City
Port Jefferson Station
Students
441
Student body
47% White · 38% Hispanic / Latino · 6% Black
Free/reduced lunch
43%
Phone
(631) 474-8150
55/100
Port Jefferson Middle School
Middle · Grades 06–08 · 1.7 mi
City
Port Jefferson
Students
247
Student body
78% White · 9% Hispanic / Latino · 6% Asian
Free/reduced lunch
10%
Phone
(631) 791-4431
54/100
Andrew Muller Primary School
Elementary · Grades KG–02 · 2.9 mi
City
Miller Place
Students
488
Student body
89% White · 6% Hispanic / Latino · 2% Two or More Races
Free/reduced lunch
9%
Phone
(631) 474-2715

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

DateEventPrice
10/12/2026Listed 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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