Secluded Gem in Blue Ribbon Mount Sinai School District! Discover an exceptional living experience at 3 Heidi Lane, a stunning Colonial-style residence privately nestled at the end of a serene cul-de-sac in desirable Mount Sinai. Perfectly placed on just under an acre, this property offers unrivaled privacy, with one side extending into state owned land, creating a tranquil and natural buffer offering seclusion from neighbors. Inside you will find a spacious and inviting layout featuring 4 bedrooms and 3.5 bathrooms, including a coveted first floor master bedroom suite (with Jacuzzi tub) for added comfort and convenience. The heart of the home is an entertainer’s dream—a wide open floor plan on the main level, including a huge living room, eat in kitchen, formal dining room and library, making it ideal for hosting gatherings both large and small. A distinct separate guest wing with separate entrance ensures ample space and comfort for visitors, or offers an ideal setup for a home office or creative studio or possible mother-daughter with proper permits, accommodating multi-generational living with ease. Additional highlights include a two-car garage, a huge basement ready for finishing, and a private backyard oasis with scenic views of the Long Island Sound from the top of the hill. Enjoy the serenity of nature, the space to entertain, and the excellence of the Mount Sinai School District—all in one breathtaking property. Don't miss your chance to own this one-of-a-kind private retreat!
Listed by Mia Kaiser SRES SRS
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Signature Premier Properties
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631-385-6024
Last updated August 09, 2025
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Source: OneKey #878709
Listing Facts
TypeSingle-family
NeighborhoodMount Sinai
Bedrooms4
Bathrooms4
Days on Prevu80
Taxes$23,930.57/year
Size3,944 sqft
Price per sqft$253
Amenities
Dishwasher
Private Outdoor Space
Air Conditioning
Parking
Location
Mortgage Calculator
Listing History
08/04/2025
Price Decreased
$999,000
06/18/2025
Listed by Signature Premier Properties
$1,099,000
Property Details for 3 Heidi Lane
Exterior
Construction
Year Built: 2001
Architectural Style: Colonial
Construction Materials: Vinyl Siding
Features
Patio And Porch Features: Deck, Patio
Measurements
Building Area Total: 3,992
Building Area Units: Square Feet
Lot Features: Cul-De-Sac, Landscaped, Secluded, Sprinklers In Front, Sprinklers In Rear, Views
Interior Features: First Floor Bedroom, First Floor Full Bath, Breakfast Bar, Cathedral Ceiling(s), Chandelier, Eat-in Kitchen, Entrance Foyer, Formal Dining, High Ceilings, His And Hers Closets, In-Law Floorplan, Kitchen Island, Master Downstairs, Open Kitchen, Pantry, Walk-In Closet(s), Washer/Dryer Hookup
Measurements
Living Area: 3,944
Living Area Source: Public Records
Rooms
Basement: Full, Unfinished
Has Basement: Yes
Bathrooms Full: 3
Bathrooms Half: 1
Bathrooms Total Integer: 4
Bedrooms Total: 4
Rooms Total: 11
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: Forced Air
Sewer: Septic Tank
Utilities: Electricity Connected, Natural Gas Connected, Water Connected
Water Source: Public
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