5 Frost Valley Road, Mount Sinai, NY 11766

$1,299,990

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… Read More 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. Read Less

Listing Courtesy of Signature Premier Properties, 631-751-2111.

Listing Snapshot

Days Online

Last Updated

Mar 29, 2026

Property Type

Single Family Residence

Beds

Full Baths

Partial Baths

Square Ft.

3,038

Year Built

2000

Property Tax

$22,209

MLS Number

962258

30 Days Snapshot Of 11766

$950k

+5%

(avg) sold price

-28%

homes sold

147

-21%

(avg) days on market

Snapshot

Area Map

Additional Details

Appliances & Equipment

Description: "Dishwasher", "Dryer", "Electric Oven", "Gas Cooktop", "Microwave", "Refrigerator", "Stainless Steel Appliance(s)", "Washer"

Basement

Description: "Finished", "Full", "Storage Space", "Walk-Out Access"

Building

Area: 3038, Architecture: "Colonial", Building Area: 3038, Construction Materials: "Frame", "Stone", "Vinyl Siding", Levels: "Three Or More", Year Built: 2000

Cooling

Details: "Central Air"

Exterior Features

Features: "Lighting", "Mailbox", "Rain Gutters"

Fence

Description: "Back Yard", "Fenced"

Fireplaces

Total Fireplaces: 2

Floors

Flooring: "Carpet", "Hardwood"

Garage

Garage Spaces: 2

Heating

Heating: "Forced Air", "Natural Gas"

Laundry

Description: "Laundry Room"

Lot

Acres: 0.78

Pool

Features: "Electric Heat", "In Ground", "Pool Cover", "Salt Water", "Vinyl", Private Pool

Utilities

Sewer: "Cesspool", Water Source: "Public", Utilities: "Cable Connected", "Electricity Connected", "Natural Gas Connected", "Trash Collection Public", "Underground Utilities", "Water Connected"

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Debra A Chiappetta, Real Estate Broker

Debra A Chiappetta, Real Estate Broker