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$899,000
New Listing

15 Frost Valley Road
Mount Sinai, NY 11766

For Sale|Single Family Residence|Coming Soon
4
Beds
3
Total Baths
2
Full Baths
1
Partial Bath
2,950
SqFt
$305
/SqFt
1987
Built
County:
Suffolk
Listing courtesy of Realty Connect USA L I Inc JeanAGiuffre@gmail.com
15 Frost Valley Road15 Frost Valley Road15 Frost Valley Road15 Frost Valley Road
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Mortgage Calculator

Monthly Payment (Est.)

$4,102
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

Welcome to this Beautifully Well Maintained 4 Bedroom, 2.5 Bath Ranch Nestled in the Highly Sought After Mount Sinai Hills Community. From The Moment You Arrive, You Will Be Captivated By The Stunning Curb Appeal Featuring Stone Retaining Walls, A Welcoming Front Porch, Paver Walkway and Lush Professionally Maintained Landscaping...Step Inside To A Grand Entry with Cathedral Ceilings, Extensive Moldings And an Abundance of Natural Light Streaming Through Oversized Andersen Windows and Doors..The Beautiful Kitchen Showcases Rich Wood Cabinetry and Opens Seamlessly to A Formal Dining Room and Spacious Family Room Highlighted By a Striking Stone Fireplace and Vaulted Ceilings Creating The Perfect Setting For Both Everyday Living and Entertaining. The Spacious Primary Suite Offers a Luxurious Retreat While Three Additional Bedrooms and A Large Hall Bath Provide Ample Space For All. The Full Finished Walk-Out Lower Level has Endless Possibilities for Recreation, Home Office or Guest Space...Enjoy Outdoor Living With New Cambridge Paver Patio and a Thoughtfully Designed Upper Yard Complete With Natural Playground.. Additional Highlights Brand New HVAC Heating System, A High Efficiency Gas Furnace, New Hot Water Heater, Upgraded 200 Amp Electric..Freshly Painted Interiors..Both Chimneys Have Been Fitted With New Sleeves and The Home is Hardwired For Security Cameras...The Two Car Garage Delivers A Clean Polished Look...All of this and Located In The Award Winning Mount Sinai School District and Just Minutes from Port Jefferson Village, Port Jefferson Country Club, Cedar Beach, Great Restaurants, And Shopping...This Home is Not Just A Place to Live-It's A Legacy to Cherish..

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Listing Snapshot
Price 
$899,000
Days On Site 
0 Days
Bedrooms 
4
Inside Area (SqFt) 
2,950 sqft
Total Baths 
3
Full Baths 
2
Partial Baths 
1
Lot Size 
0.81 Acres
Year Built 
1987
MLS® Number 
980863
Status 
Coming Soon
Property Tax 
$17,208.38
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
3 hours agoListing first seen on site
3 hours agoListing updated with changes from the MLS®
General Features
Acres 
0.81
Cross Street 
Crystal Brook Hollow
Garage 
Yes
Garage Spaces 
2
Levels 
Two
Parking 
DrivewayGarage
Property Sub Type 
Single Family Residence
Sewer 
Cesspool
SqFt Total 
2950
Style 
Ranch
Utilities 
Cable AvailableElectricity AvailableUnderground UtilitiesWater Available
Water Source 
Public
Interior Features
Appliances 
DishwasherDryerOvenRefrigeratorWasher
Basement 
Finished
Cooling 
Central Air
Fireplace 
Yes
Fireplace Features 
Family Room
Fireplaces 
1
Heating 
Heat Pump
Interior 
Cathedral Ceiling(s)Eat-in KitchenEntrance FoyerWalk-In Closet(s)
Laundry Features 
Laundry Room
Bathroom 4 
Level - FirstDescription - Off Primary Suite, 4th Bedroom/Office/Nursery
Bedroom 2 
Level - FirstDescription - Bright and Airy Bedroom with Beautiful Wood Floors
Bedroom 3 
Level - FirstDescription - Spacious Bright Bedroom
Bonus Room 
Level - LowerDescription - Large Bonus Room on Lower Level Walkout with Beautiful Windows and access to 2 Car Garage
Dining Room 
Level - FirstDescription - Extremely Spacious and Bright dining Room with Beautiful Wood Floors
Family Room 
Level - FirstDescription - Spacious Family Room with Stone Fireplace With Cathedral Ceilings & Beautiful Wood Floors..
Kitchen 
Level - FirstDescription - Large Kitchen with beautiful Wood Floors/Granite Countertops/Breakfast Area with Sliding Doors to Backyard
Living Room 
Level - FirstDescription - Large Formal Living Room/Wood Floors and Beautiful Windows
Primary Bedroom 
Level - FirstDescription - Beautiful Primary Suite with Luxurious Primary Bathroom With Free Standing Tub
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Exterior Features
Construction Details 
Frame
Lot Features 
Corner Lot
Patio And Porch 
Patio
Community Features
School District 
Mount Sinai
Schools
School District
Mount Sinai
Elementary School
Mt Sinai Elementary School
Middle School
Mt Sinai Middle School
High School
ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
Listing courtesy of Realty Connect USA L I Inc JeanAGiuffre@gmail.com


Based on information submitted to the MLS GRID as of 2026-04-19 03:05 AM EDT. 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.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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