NOT LISTED FOR SALE

33 William Ave Central Islip, NY 11722

Estimated Value: $526,000 - $601,000

Studio
-- Bath
1,760 Sq Ft
$328/Sq Ft Est. Value

About This Home

This home is located at 33 William Ave, Central Islip, NY 11722 and is currently estimated at $577,177, approximately $327 per square foot. 33 William Ave is a home located in Suffolk County with nearby schools including Anthony Alfano Elementary School and Central Islip Senior High School.

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Closed on
Sep 7, 2025
Sold by
Bought by
Current Estimated Value
$577,177

Purchase Details

Closed on
May 13, 2022
Sold by
Bought by

Purchase Details

Closed on
Sep 6, 2011
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$160,817
Interest Rate
4.25%
Mortgage Type
FHA
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

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ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

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First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

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Quantarium

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
-- --
-- None Available
$165,000 --
$165,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Previous Owner $160,817
Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 -- $32,800 $6,200 $26,600
2024 -- $32,800 $6,200 $26,600
2023 -- $32,800 $6,200 $26,600
2022 $6,727 $32,800 $6,200 $26,600
2021 $6,727 $29,000 $6,200 $22,800
2020 $7,398 $29,000 $6,200 $22,800
2019 $6,727 $0 $0 $0
2018 -- $26,000 $6,200 $19,800
2017 $6,808 $26,000 $6,200 $19,800
2016 $6,749 $26,000 $6,200 $19,800
2015 -- $26,000 $6,200 $19,800
2014 -- $26,000 $6,200 $19,800
Source: Public Records

Map

New York Suffolk County Central Islip 11722

33 William Ave, Central Islip, NY

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