9 Mount Sinai Avenue S Port Jefferson Station, NY ^$ 799,999

9 Mount Sinai Avenue S

^$ 799,999

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Open House 8/6 5:30pm - 7pm

9 Mount Sinai Avenue S

Port Jefferson Station, NY, 11776

^$ 799,999

Bedrooms4 Baths2.1 Sq 1,700

Monthly Estimate*

^$ 5,051

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Single Family Home for sale in Port Jefferson Station, NY

for $799,999 with 4 bedrooms and 2 full baths, 1 half bath. This 1,700 square foot home was built in 1974 on a lot size of 37.

Welcome to this beautifully expanded 4 bedroom, 2.5 bath colonial located on a quiet block in the highly desirable Mount Sinai School District. This well maintained home offers a spacious layout featuring a large cozy living room w/ gas fireplace, formal dining room and eat-in kitchen w/ stainless steel appliances and walk-in pantry. The primary bedroom boasts vaulted ceilings and inviting sitting area ideal for a home office, vanity, or reading nook. A full finished basement provides additional living space. Home is equipped with central air conditioning, separate hot water heater and in ground sprinklers. Situated on a generous 0.37-acre lot, the private backyard is your own oasis, featuring a heated in-ground pool and Trex Deck, perfect for relaxing and entertaining. Enjoy the welcoming front porch and beautifully landscaped property. Conveniently located near downtown Port Jefferson's waterfront, marinas, restaurants, and shopping. WELCOME HOME!

Open House

8/6/2026 5:30 PM - 7:00 PM

8/8/2026 11:00 AM - 12:30 PM

8/9/2026 12:00 PM - 1:30 PM

9 Mount Sinai Avenue S Port Jefferson Station, NY

* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

^$ 799,999

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 14,185

Style

Colonial

Lot Size

Year Built

1974

Town/City

Port Jefferson Station

County/Region

Suffolk

MLS | Web ID

1034421

Features

Interior

Interior Amenities Eat-in Kitchen

Basement Full

Total Fireplaces 1

Fireplace Features Gas Living Room

Basement Features Full

Basement (Y/N) Y

Fireplace Y/N Y

Half Baths 1

Total Bedrooms 4

Total Baths 3

General

Sewer Cesspool

Heating Baseboard

Cooling Central Air

Utilities Electricity Connected Propane Water Connected

Appliances Dishwasher Dryer Electric Range Electric Water Heater Refrigerator Washer

Garage Spaces 1

Patio/Porch Features Deck Porch

Architectural Style Colonial

Construction Materials Vinyl Siding

Year Built 1974

Property Subtype Single Family Residence

Tax Year 2026

County Suffolk County

Property Type Residential

HOA N

Garage Y/N Y

Total Rooms 7

Full Baths 2

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 14185

Middle/Junior High School Mt Sinai Middle School

Building Area Units Square Feet

Standard Status Active

Middle/Junior School District Mount Sinai

Elementary School District Mount Sinai

Exterior

Parking Features Driveway Driveway

Water Source Public

Waterfront Y/N N

Internal Only

Street Number 1 9

* Excluded Features

List By

Lisa Strazzeri

Listing Agent

Signature Premier Properties

Broker

516-799-7100

Contact

Affordability Calculator

$6,233

Per Month

Monthly Principal & Interest: $5,051
Monthly Property Taxes: $1,182
Monthly Home Insurance: --

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Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.49% 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.

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Nearby

Trends
Schools

Single family listings in Port Jefferson Station, NY

Average List Price ^$689,554

Percent of Sale Price 14%

About Port Jefferson Station, NY

23,979 Population

7% Since 2002

^$90,473 Median Income

40.7 Median Age

31% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4668039 Elementary School

4818774 Middle School

Robert M Grable Jr Mount Sinai High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
8/4/2026	$799,999		Listed Price

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9 Mount Sinai Avenue S, Port Jefferson Station, NY, 11776 is a Single Family Home for sale at $799,999 with 1,700 sqft and a lot size of 37. 9 Mount Sinai Avenue S has 4 bedrooms, 2.1 baths, and was built in 1974. The property's zip code is 11776 which is in Port Jefferson Station, NY

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% 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.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey® MLS.

The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use.

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9 Mount Sinai Avenue S

Single Family Home for sale in Port Jefferson Station, NY

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