5 Frost Valley Road
Mount Sinai, NY, 11766 $ 1,299,990
Bedrooms4 Baths2.1 Sq 3,038 Monthly Estimate*
$ 8,004
for $1,299,990 with 4 bedrooms and 2 full baths, 1 half bath. This 3,038 square foot home was built in 2000 on a lot size of 0.78.
Welcome to this exceptional, fully renovated postmodern Colonial nestled north of 25A in desirable Mount Sinai. Showcasing refined craftsmanship and timeless elegance, this magnificent residence offers gleaming hardwood floors and custom moldings throughout, beginning with a breathtaking two-story entry foyer highlighted by a dramatic sweeping staircase. Entertain in style in the formal living room with vaulted ceilings and the elegant, banquet-sized formal dining room - perfect for hosting memorable gatherings. A beautifully appointed home office provides private and sophisticated space for work or study. The heart of the home is the newly renovated chef's kitchen, featuring custom cabinetry, center island, quartz countertops, designer backsplash, professional grade appliances, and a sunny breakfast area with sliders to deck. The kitchen flows seamlessly into the large den with fireplace and floor-to-ceiling windows overlooking the lush, private backyard - creating the perfect setting for both everyday living and entertaining. Upstairs, retreat to the grand primary suite, complete with a tray ceiling, fireplace, and a spa-inspired, newly renovated en-suite bath featuring a custom marble steam shower, mosaic tile flooring, freestanding soaking tub, and double vanity. Three additional generously sized bedrooms and a beautifully updated full bath with double sinks complete the second level. The fully finished walk-out lower level adds incredible living space, offering a fitness room, game room, and media room - ideal for recreation, relaxation, or extended living. Updates Include New A/C & Heating Units (2016), New Water Heater (2017), New Composite Deck (2020), New Pool Liner (2021), New Architectural Roof (2022), New Rear Door Slider & Basement French Doors (2022), New Front Arch Windows & New Front Siding (2023), New Heat Pump for Pool (2023), New Garage Door Openers (2023), New Sump Pump Systems & Battery Back-ups (2024), Newly Renovated Primary Bathroom (2024), Newly Renovated Kitchen, Cooktop, Rangehood, Oven Appliances (2024), New Pool Pump (2025), New Electrical Panel, Meter Box & New Main Line From Street From PSEG (2025), New Driveway & French Drainage System (2025). Step outside to your maintenance-free deck overlooking a spectacular, private resort-style backyard with a heated saltwater inground pool, waterfall feature, and expansive rolling lawn - your own private oasis for entertaining or unwinding in total tranquility.
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FeaturesInteriorInterior Amenities Built-in Features Cathedral Ceiling(s) Ceiling Fan(s) Chandelier Chefs Kitchen Crown Molding Double Vanity Eat-in Kitchen Entrance Foyer Formal Dining High Ceilings Kitchen Island Open Floorplan Open
Basement Finished Full Storage Space Walk-Out Access
Flooring Carpet Hardwood
Total Fireplaces 2
Fireplace Features Family Room
Basement Features Finished Full Storage Space Walk-Out Access
Basement (Y/N) Y
Window Features Double Pane Windows
Fireplace Y/N Y
Half Baths 1
Total Bedrooms 4
Total Baths 3
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GeneralSewer Cesspool
Heating Forced Air Natural Gas
Cooling Central Air
Utilities Cable Connected Electricity Connected Natural Gas Connected Trash Collection Public Underground Utilities Water Connected
Appliances Dishwasher Dryer Electric Oven Gas Cooktop Microwave Refrigerator Stainless Steel Appliance(s) Washer
Garage Spaces 2
Architectural Style Colonial
Pool Features Electric Heat In Ground Pool Cover Salt Water Vinyl
Construction Materials Frame Stone Vinyl Siding
Year Built 2000
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0200-093-00-06-00-034-000
County Suffolk County
Property Type Residential
HOA N
Subdivision Name Mount Sinai Hills
Garage Y/N Y
Total Rooms 9
Full Baths 2
Directions North Country Road to Crystal Brook Hollow Road to Frost Valley Road to #5 on Left
High School ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
City Brookhaven
Disclosures Seller Property Disclosure
Senior Community Y/N N
High School District Mount Sinai
Carport Y/N N
Elementary School Mt Sinai Elementary School
Property Attached Y/N N
Tax Annual Amount 22209.31
Middle/Junior High School Mt Sinai Middle School
Property Condition Updated/Remodeled
Additional Parcels Y/N N
Building Area Units Square Feet
Standard Status Pending
Middle/Junior School District Mount Sinai
Elementary School District Mount Sinai
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ExteriorExterior Amenities Lighting Mailbox Rain Gutters
Fencing Back Yard Fenced
Parking Features Attached Driveway Garage Attached Driveway Garage
Water Source Public
Foundation Details Concrete Perimeter
Building Area Total 3038
Waterfront Y/N N
Road Responsibility Public Maintained Road
Horse Y/N N
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* Excluded FeaturesList ByLisa M. GodtListing Agent
Signature Premier PropertiesBroker
Affordability Calculator
- Monthly Principal & Interest
- $8,004
- Monthly Property Taxes
- $1,851
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% 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.
Learn more about how to save NearbySingle family listings in Mount Sinai, NY
Average List Price $841,999
Percent of Sale Price 35%
About Mount Sinai, NY 12,788 Population
35% Since 2002
$ 118,732 Median Income
44.75 Median Age
35% Households with Children
Trends Information provided by ATTOM Data Solutions.
4668039 Elementary School
4818774 Middle School
Robert M Grable Jr Mount Sinai High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 2/18/2026 | $1,299,990 | | Listed Price |