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26 William StreetPort Jefferson, NY 11776

For Sale

$539,000

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Cute and well maintain with updated kitchen, stainless stell appliances, granite counter top, with 3 bedrooms and one full bath, heated tiles. Attached car garage. Full basement for large size for storage with the ability to convert to additional living space.

Listed by Romarico V. Relevo

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Sure Home Realty Inc

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631-237-5400

Listed by Jocelyn Relevo

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Sure Home Realty Inc

Last updated October 31, 2026

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Source: OneKey #1064835

Listing Facts

  • TypeSingle-family
  • NeighborhoodMount Sinai
  • Bedrooms3
  • Bathrooms1
  • Days on Prevu11
  • Taxes$8,972.56/year

Amenities

  • Dishwasher
  • Washer/Dryer
  • Parking

Location

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Listing History

10/20/2026
Listed by Sure Home Realty Inc
$539,000
  1. 10/20/2026$539,000
    Listed by Sure Home Realty Inc

Property Details for 26 William Street

Exterior

Construction

  • Year Built: 1962
  • Architectural Style: Bungalow
  • Construction Materials: Frame

Measurements

  • Building Area Units: Square Feet
  • Lot Size Acres: 0.23
  • Lot Size Square Feet: 10,019

Financial

Taxes

  • Parcel Number: 0200-161-00-06-00-019-000
  • Tax Annual Amount: $8,972.56
  • Tax Assessed Value: $2,100.00
  • Tax Year: 2026

Interior

Features

  • Appliances: Dishwasher, Dryer, Electric Range, Refrigerator
  • Interior Features: First Floor Bedroom, Granite Counters

Measurements

  • Living Area Source: Other

Rooms

  • Basement: Full
  • Has Basement: Yes
  • Bathrooms Full: 1
  • Bathrooms Total Integer: 1
  • Bedrooms Total: 3
  • Rooms Total: 5

Parking

Parking

  • Garage Spaces: 1
  • Garage: Yes
  • Parking Features: Private
  • Parking Total: 2

Schools

Elementary School

  • Elementary School: Terryville Road School
  • Elementary School District: Brookhaven-Comsewogue

High School

  • High School: Comsewogue High School
  • High School District: Brookhaven-Comsewogue

Middle or Junior School

  • Middle Or Junior School: John F Kennedy Middle School - Suffolk
  • Middle Or Junior School District: Brookhaven-Comsewogue

Utilities

Equipment

  • Heating: Baseboard, Radiant Floor
  • Sewer: Cesspool
  • Utilities: Electricity Connected
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 3 bedrooms and 1 bathroom in this single-family home at 26 William Street.

What schools are nearby to 26 William Street?

Nearby schools include the Terryville Road School Elementary School, John F Kennedy Middle School - Suffolk, and Comsewogue High School.

Does this single-family home have parking?

Yes, there is 1 parking space available for 26 William Street.

What are the annual taxes for 26 William Street?

Annual taxes for this single-family home are estimated at $8,972.

How does 26 William Street compare to other single-family homes in Mount Sinai?

This single-family home is listed 40% below the average price for single-family homes in Mount Sinai and has been on the market for 43 less days than the typical home in this area.

26 William Street is a 3-bedroom, 1-bath single-family home for sale in Port Jefferson NY 11776. On Prevu for 11 days at $539,000. This residence is located in Mount Sinai. The median listing price for single-family homes in this area is $775,000. Nearby schools include Terryville Road School Elementary School, John F Kennedy Middle School - Suffolk, and Comsewogue High School. The home offers dishwasher, parking, and washer/dryer. View other single-family home listings in Suffolk County.

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. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.