Elegant stone and wood facade front of luxury home in the evening
Open House: Aug 6, 2026, 5:30 PM - 7:00 PM
Open House: Aug 8, 2026, 11:00 AM - 12:30 PM
Open House: Aug 9, 2026, 12:00 PM - 1:30 PM

9 Mount Sinai Ave S
Port Jefferson Station, NY 11776

$799,999

Beds: 4
Baths: 2 | 1
Sq. Ft.: 1,700
Type: House
Listing #1034421
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!
Listing Provided by: Lisa Strazzeri , Signature Premier Properties 516-799-7100
Property Features
Location Information
County: Suffolk
Municipality: Port Jefferson Station
Interior Features
Total Rooms: 7
Interior: Eat-in Kitchen
Full Baths: 2
1/2 Baths: 1
Number of Kitchens: 1
Has Fireplace: Yes
Number of Fireplaces: 1
Heating: Baseboard
Cooling: Central Air
Appliances: Dishwasher, Dryer, Electric Range, Electric Water Heater, Refrigerator, Washer
Attic Description: Pull Stairs
Basement Description: Full
Has Basement: Yes
Exterior Features
Style: Colonial
Construction: Vinyl Siding
Water Source: Public
Septic or Sewer: Cesspool
Utilities: Electricity Connected, Propane, Water Connected
Parking Description: Driveway
Has Garage: Yes
Garage Spaces: 1
Patio / Deck Description: Deck, Porch
Lot Size in Acres: 37
Lot Size in Sq. Ft.: 37
Space Number: 9
School
School District: Mount Sinai
Elementary School: Mt Sinai Elementary School
Jr. High School: Mt Sinai Middle School
High School: ROBERT M GRABLE JR MOUNT SINAI HIGH SCHOOL
Additional Information
Property Type: SFR
Property SubType: Single Family Residence
Year Built: 1974
Status: Active
Tax Amount: $14,185
Square Feet Source: Other
Special Listing Conditions: None
Est. Maintenance Fees: $


$ per month
Year Fixed. % Interest Rate.
Principal + Interest: $
Monthly Tax: $
Monthly Insurance: $
Term
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Interest Rate
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Down Payment
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List Price:
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Based on a fully amortized fixed rate loan. Ask your agent for the tax rates in your area. Insurance estimate is based on an average cost, your final premium cost will be determined by the type of coverage you select. This program only provides an estimate.
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© 2026 OneKey MLS. All rights reserved.
Listing courtesy of OneKey MLS as distributed by MLS Grid. Based on information submitted to the MLS Grid as of 2026. All data is obtained from various sources and may not have been verified by the broker or MLS Grid. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. OneKey MLS All rights reserved.
OneKey MLS data last updated at August 4, 2026, 12:45 PM ET

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