3 Heidi Lane Mount Sinai, NY $ 999,000
3 Heidi Lane
$ 999,000
Share Save

3 Heidi Lane

Mount Sinai, NY, 11766
$ 999,000
Bedrooms4 Baths3.1 Sq 3,944

Monthly Estimate*

$ 6,232

3 Heidi Lane, Mount Sinai, NY 11766 - Image 1
3 Heidi Lane, Mount Sinai, NY 11766 - Image 2
3 Heidi Lane, Mount Sinai, NY 11766 - Image 3
3 Heidi Lane, Mount Sinai, NY 11766 - Image 4
3 Heidi Lane, Mount Sinai, NY 11766 - Image 5
3 Heidi Lane, Mount Sinai, NY 11766 - Image 6
3 Heidi Lane, Mount Sinai, NY 11766 - Image 7
3 Heidi Lane, Mount Sinai, NY 11766 - Image 8
3 Heidi Lane, Mount Sinai, NY 11766 - Image 9
3 Heidi Lane, Mount Sinai, NY 11766 - Image 10
3 Heidi Lane, Mount Sinai, NY 11766 - Image 11
3 Heidi Lane, Mount Sinai, NY 11766 - Image 12
3 Heidi Lane, Mount Sinai, NY 11766 - Image 13
3 Heidi Lane, Mount Sinai, NY 11766 - Image 14
3 Heidi Lane, Mount Sinai, NY 11766 - Image 15
3 Heidi Lane, Mount Sinai, NY 11766 - Image 16
3 Heidi Lane, Mount Sinai, NY 11766 - Image 17
3 Heidi Lane, Mount Sinai, NY 11766 - Image 18
3 Heidi Lane, Mount Sinai, NY 11766 - Image 19
3 Heidi Lane, Mount Sinai, NY 11766 - Image 20
3 Heidi Lane, Mount Sinai, NY 11766 - Image 21
3 Heidi Lane, Mount Sinai, NY 11766 - Image 22
3 Heidi Lane, Mount Sinai, NY 11766 - Image 23
3 Heidi Lane, Mount Sinai, NY 11766 - Image 24
3 Heidi Lane, Mount Sinai, NY 11766 - Image 25
3 Heidi Lane, Mount Sinai, NY 11766 - Image 26
3 Heidi Lane, Mount Sinai, NY 11766 - Image 27
3 Heidi Lane, Mount Sinai, NY 11766 - Image 28
3 Heidi Lane, Mount Sinai, NY 11766 - Image 29
3 Heidi Lane, Mount Sinai, NY 11766 - Image 30
3 Heidi Lane, Mount Sinai, NY 11766 - Image 31
3 Heidi Lane, Mount Sinai, NY 11766 - Image 32
3 Heidi Lane, Mount Sinai, NY 11766 - Image 33
3 Heidi Lane, Mount Sinai, NY 11766 - Image 34
3 Heidi Lane, Mount Sinai, NY 11766 - Image 35
3 Heidi Lane, Mount Sinai, NY 11766 - Image 36
3 Heidi Lane, Mount Sinai, NY 11766 - Image 37
3 Heidi Lane, Mount Sinai, NY 11766 - Image 38
3 Heidi Lane, Mount Sinai, NY 11766 - Image 39
3 Heidi Lane, Mount Sinai, NY 11766 - Image 40
3 Heidi Lane, Mount Sinai, NY 11766 - Image 41
3 Heidi Lane, Mount Sinai, NY 11766 - Image 42
3 Heidi Lane, Mount Sinai, NY 11766 - Image 43
3 Heidi Lane, Mount Sinai, NY 11766 - Image 44
3 Heidi Lane, Mount Sinai, NY 11766 - Image 45
3 Heidi Lane, Mount Sinai, NY 11766 - Image 46
3 Heidi Lane, Mount Sinai, NY 11766 - Image 47
3 Heidi Lane, Mount Sinai, NY 11766 - Image 48
3 Heidi Lane, Mount Sinai, NY 11766 - Image 49

Single Family Home for sale in Mount Sinai, NY

for $999,000 with 4 bedrooms and 3 full baths, 1 half bath. This 3,944 square foot home was built in 2001 on a lot size of 0.93.

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!

See more

Single Family Active

Price

$ 999,000

Bedrooms

4

Full Bath

3

Half Bath

1

Property Type

Single Family

Taxes

$ 23,930

Style

Colonial

Lot Size

0.93

Year Built

2001

Town/City

Mount Sinai

County/Region

Suffolk

MLS | Web ID

878709

Features
Interior
Interior Amenities 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
Basement Full Unfinished
Flooring Carpet Ceramic Tile Hardwood
Fireplace Features Living Room Wood Burning
Basement Features Full Unfinished
Basement (Y/N) Y
Fireplace Y/N Y
Half Baths 1
Total Bedrooms 4
Total Baths 4
See more
General
Sewer Septic Tank
Heating Forced Air
Cooling Central Air
Utilities Electricity Connected Natural Gas Connected Water Connected
Appliances Dishwasher Microwave Oven Range Refrigerator Stainless Steel Appliance(s)
Garage Spaces 2
Patio/Porch Features Deck Patio
Architectural Style Colonial
Construction Materials Vinyl Siding
Year Built 2001
Property Subtype Single Family Residence
Tax Year 2024
Parcel Number 0200-093-00-06-00-001-000
County Suffolk County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 11
Full Baths 3
Directions Crystal Brook Hollow Road to Frost Valley Road to Heidi Lane
High School ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
City Brookhaven
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 23930.57
Showing Instructions By appointment only please use ShowingTime.
Middle/Junior High School Mt Sinai Middle School
Additional Parcels Y/N N
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Mount Sinai
Elementary School District Mount Sinai
Year Built Effective 2001
See more
Exterior
Parking Features Driveway Garage Driveway Garage
Water Source Public
Spa N
Building Area Total 3992
Waterfront Y/N N
See more
Internal Only
Street Number 1 3
See more
* Excluded Features
List By
Mia Kaiser SRES SRS

Listing Agent

Signature Premier Properties

Broker

631-385-6024

Contact

Affordability Calculator

$8,227
Per Month
76%
24%
0%
Monthly Principal & Interest
$6,232
Monthly Property Taxes
$1,994
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% 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

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

The time to sell is now
THE TIME TO SELL IS NOW! What's my home worth?
Nearby
4668039 Elementary School
4818774 Middle School
Robert M Grable Jr Mount Sinai High School High School
Pricing History
DatePricePrice ChangeDescription
8/5/2025$999,000 -9.10% Price Down
6/18/2025$1,099,000 Listed Price

Map


See all

3 Heidi Lane, Mount Sinai, NY, 11766 is a Single Family Home for sale at $999,000 with 3,944 sqft and a lot size of 0.93. 3 Heidi Lane has 4 bedrooms, 3.1 baths, and was built in 2001. The property's zip code is 11766 which is in Mount Sinai, NY