by RH Advisors

See Home Value
$500,000
● House - Off Market

27 William Avenue

Islip, NY 11722
bedrooms
4 Beds
bathrooms
2 Baths
square feet
1,327 Ft²
$446,199
RealtyHop Estimate
-0.62%
Since Oct 1, 2023
National-US
Primary Model

About This Property

4 Bedroom, 2 Full Bath Expanded Cape on a Quiet Residential Street. Being SOLD AS IS.
Unit Size
1,327 Ft²
Days on Market
72 days
Land Size
0.18 acres
Price per sqft
$338
Property Type
House
Property Taxes
$800
HOA Dues
-
Year Built
-

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Last updated: 6 months ago (OneKey MLS #KEYL3490375)

Price History

Date / Event Date Event Price
Aug 6, 2025 Sold
Sold
May 22, 2025 In contract -
In contract
May 6, 2025 Listed by ARVY Realty $589,899
Listed by ARVY Realty
Welcome to this charming Cape Cod–style single-family home built in 1948. This expanded cape offers 4 bedrooms and 3 full bathrooms across 1,327 square feet of living space. It sits on a level 7,841-square-foot lot (80 x 100 ft) on a quiet residential street near Church Street, conveniently close to public transit and local schools. This property is ideal for buyers seeking a solid, low-maintenance home with potential for updates or customization. Its proximity to schools, shops, and transit adds to its appeal.
Oct 31, 2023 Sold
Sold
Sep 29, 2023 Sold
Sold
Show More

Property Highlights


Building Info

Overview

    General

  • Bedroom Count: 0
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 0
  • Exterior Walls Type: 0
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 7,841
  • Lot Size Depth Feet: 1,000
  • Lot Size Frontage Feet: 800
  • Total Building Area: 0
  • Building Area: 0

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 0
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: ISLIP ESTATES
  • Land Acres: 0000000180
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: X2221398Y208493 T012H00000000

Neighborhood

  • School District Name: Central Islip Union Free School District
  • School Tax School District: CENTRAL ISLIP
  • Census Tract: 145706

Zoning

  • Zoning: B

Geography

  • District: 0500-0
  • Section: 50.07
  • Parcel: 0500-078.00-04.00-066.000
  • Block: 8000
  • Lot: 400.066
  • Municipality: ISLIP
  • Latitude: 40.7951
  • Longitude: -73.1999

    Address

  • Full Address: 27 William Ave
  • Address - House Number: 27
  • Address - Street Name: William
  • Address - Suffix Type: Ave
  • State: NY
  • City Name: Central Islip
  • Carrier Code: C001
  • 4-Digit Zip Code: 2338
  • Zip Code: 11722

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $0
  • Tax Rate Code Area: 472813

    Appraisal Valuation

  • Standard Deviation: 0.1458
  • Valuation Date: Mar 13, 2024
  • Confidence Score: 82
  • Final Value: 442,689
  • High Value: 507,272
  • Low Value: 378,106

    Market Valuation

  • Market Total Value: $370,879
  • Market Land Value: $85,165
  • Market Improvement Value: $285,714

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $27,000
  • Assessed Land Value: $6,200
  • Assessed Improvements Value: $20,800

    Sales

  • Current Sale Contract Date: Sep 29, 2023
  • Current Sale Recording Date: Oct 31, 2023
  • Current Sale Price:
  • Current Sale Document Type: 27
  • Previous Sale Recording Date: Nov 17, 2014
  • Previous Sale Contract Date: Oct 15, 2014
  • Previous Sale Amount: $190,000
  • Previous Sale Document Type: 12
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Central Islip


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Frequently Asked Questions

When was property at 27 William Avenue built and last sold?
The property at 27 William Avenue was built in and last sold on Sep 29, 2023 for $500,000.
How much is this home worth?
The estimated value of the home located at 27 William Avenue is $584,417.
What are some comparable homes to 27 William Avenue?
There are currently no comparable homes to 27 William Avenue.

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