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15 Frost Valley RoadMount Sinai, NY 11766

For Sale

$899,000

Smart Buyer Rebate $8,990

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, New 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..

Listed by Jean A. Giuffre

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Realty Connect USA L I Inc

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631-941-4300

Last updated April 26, 2026

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Source: OneKey #980863

Listing Facts

  • TypeSingle-family
  • NeighborhoodMount Sinai
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu9
  • Taxes$17,208.38/year
  • Size2,950 sqft
  • Price per sqft$305

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

04/22/2026
Status changed to Active
$899,000
04/22/2026
Listed by Realty Connect USA L I Inc
$899,000

Property Details for 15 Frost Valley Road

Exterior

Construction

  • Year Built: 1987
  • Architectural Style: Ranch
  • Construction Materials: Frame

Features

  • Patio And Porch Features: Patio

Measurements

  • Building Area Total: 2,950
  • Building Area Units: Square Feet
  • Lot Features: Corner Lot
  • Lot Size Acres: 0.81
  • Lot Size Square Feet: 35,284

Financial

Taxes

  • Parcel Number: 0200-093-00-06-00-030-000
  • Tax Annual Amount: $17,208.38
  • Tax Assessed Value: $4,000.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Oven, Refrigerator, Washer
  • Fireplace Features: Family Room
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Eat-in Kitchen, Entrance Foyer, Formal Dining, Walk-In Closet(s)

Measurements

  • Living Area: 2,950
  • Living Area Source: Other

Rooms

  • Basement: Finished
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Rooms Total: 9

Other

Location

  • Tax Block: 0006
  • Tax Lot: 30

Parking

Parking

  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Driveway, Garage

Schools

Elementary School

  • Elementary School: Mt Sinai Elementary School
  • Elementary School District: Mount Sinai

High School

  • High School: ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
  • High School District: Mount Sinai

Middle or Junior School

  • Middle Or Junior School: Mt Sinai Middle School
  • Middle Or Junior School District: Mount Sinai

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Heat Pump
  • Laundry Features: Laundry Room
  • Sewer: Cesspool
  • Utilities: Cable Available, Electricity Available, Trash Collection Public, Underground Utilities, Water Available
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 3 bathrooms in this single-family home at 15 Frost Valley Road.

What schools are nearby to 15 Frost Valley Road?

Nearby schools include the Mt Sinai Elementary School, Mt Sinai Middle School, and ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 15 Frost Valley Road.

What are the annual taxes for 15 Frost Valley Road?

Annual taxes for this single-family home are estimated at $17,208.

How does 15 Frost Valley Road compare to other single-family homes in Mount Sinai?

This single-family home is listed 11% above the average price for single-family homes in Mount Sinai and has been on the market for 65 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,950 sqft.

15 Frost Valley Road is a 4-bedroom, 3-bath single-family home for sale in Mount Sinai NY 11766. Listed on Prevu for 9 days at $899,000. This property features 2,950 square feet of living space, located in Mount Sinai. The median listing price for single-family homes in this area is $642,500. Nearby schools include Mt Sinai Elementary School, Mt Sinai Middle School, and ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL. The home offers private outdoor space, dishwasher, air conditioning, parking, and washer/dryer. View other single-family home listings in Suffolk County.

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.