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!
For sale
$999,000
3 Heidi Lane, Mount Sinai, NY 11766
4beds
3,944sqft
Single Family Residence, Residential
Built in 2001
0.93 Acres Lot
$-- Zestimate®
$253/sqft
$-- HOA
What's special
Private backyard oasisHuge basementUnrivaled privacyWide open floor planSpacious and inviting layoutSeparate guest wingState owned land
- 188 days |
- 1,545 |
- 62 |
Zillow last checked: 8 hours ago
Listing updated: December 08, 2025 at 07:13am
Listing by:
Signature Premier Properties 631-360-2800,
Mia Kaiser SRES SRS 631-385-6024
Source: OneKey® MLS,MLS#: 878709
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Primary bedroom
- Level: First
Bedroom 2
- Level: Second
Bedroom 3
- Level: Second
Bedroom 4
- Level: Second
Primary bathroom
- Level: First
Bathroom 2
- Level: Second
Bathroom 3
- Level: Second
Basement
- Level: Basement
Bonus room
- Level: First
Dining room
- Level: First
Kitchen
- Level: First
Living room
- Level: First
Loft
- Level: Second
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Included: Dishwasher, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s)
- Laundry: Washer/Dryer Hookup
Features
- First Floor Bedroom, First Floor Full Bath, Breakfast Bar, Cathedral Ceiling(s), Chandelier, Eat-in Kitchen, Entrance Foyer, Formal Dining, His and Hers Closets, In-Law Floorplan, Kitchen Island, Master Downstairs, Open Kitchen, Pantry
- Flooring: Carpet, Ceramic Tile, Hardwood
- Basement: Full,Unfinished
- Attic: Pull Stairs
- Has fireplace: Yes
- Fireplace features: Living Room, Wood Burning
Interior area
- Total structure area: 3,992
- Total interior livable area: 3,944 sqft
Property
Parking
- Total spaces: 2
- Parking features: Driveway, Garage
- Garage spaces: 2
- Has uncovered spaces: Yes
Features
- Levels: Two
- Patio & porch: Deck, Patio
Lot
- Size: 0.93 Acres
- Features: Cul-De-Sac, Landscaped, Secluded, Sprinklers In Front, Sprinklers In Rear, Views
Details
- Parcel number: 0200093000600001000
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence, Residential
Materials
- Vinyl Siding
Condition
- Year built: 2001
- Major remodel year: 2001
Utilities & green energy
- Sewer: Septic Tank
- Water: Public
- Utilities for property: Electricity Connected, Natural Gas Connected, Water Connected
Community & HOA
HOA
- Has HOA: No
Location
- Region: Mount Sinai
Financial & listing details
- Price per square foot: $253/sqft
- Tax assessed value: $1,056,604
- Annual tax amount: $23,930
- Date on market: 6/18/2025
- Cumulative days on market: 189 days
- Listing agreement: Exclusive Right To Sell
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 8/4/2025 | Price change | $999,000-9.1%$253/sqft |
Source:  OneKey® MLS #878709 Report a problem | ||
| 6/18/2025 | Listed for sale | $1,099,000+30.8%$279/sqft |
Source: OneKey® MLS #878709 Report a problem | ||
| 8/1/2005 | Sold | $840,000+76.8%$213/sqft |
Source: Agent Provided Report a problem | ||
| 11/3/2000 | Sold | $475,000$120/sqft |
Source: Public Record Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | -- | $5,600 |
| 2023 | -- | $5,600 |
| 2022 | -- | $5,600 |
Find assessor info on the county website
BuyAbility℠ payment
Estimated monthly payment
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Learn more*Terms apply. Match provided by Foyer. Account offered by Pacific West Bank, Member FDIC.Climate risks
Neighborhood: 11766
Nearby schools
GreatSchools rating
- 5/10Mount Sinai Middle SchoolGrades: 5-8Distance: 1 mi
- 10/10Mount Sinai High SchoolGrades: 9-12Distance: 0.8 mi
- 8/10Mount Sinai Elementary SchoolGrades: K-4Distance: 2.1 mi
Schools provided by the listing agent
- Elementary: Mt Sinai Elementary School
- Middle: Mt Sinai Middle School
- High: ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
Source: OneKey® MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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