NOT LISTED FOR SALE

21 Post Ave Williston Park, NY 11596

Estimated Value: $1,724,006 - $1,956,000

Studio
2 Baths
3,392 Sq Ft
$542/Sq Ft Est. Value

About This Home

This home is located at 21 Post Ave, Williston Park, NY 11596 and is currently estimated at $1,840,003, approximately $542 per square foot. 21 Post Ave is a home located in Nassau County with nearby schools including North Side School, Willets Road School, and The Wheatley School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Oct 26, 2025
Sold by
Mccauley Thomas S
Bought by
Mccauley Thomas S and Mccauley Patricia L
Current Estimated Value
$1,840,003

Purchase Details

Closed on
Nov 23, 2011
Sold by
Lynch Gregory Watson and Lynch Virginia H
Bought by
Mccauley Thomas S

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$150,000
Outstanding Balance
$101,504
Interest Rate
4.09%
Mortgage Type
Purchase Money Mortgage
Estimated Equity
$1,738,499
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.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

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.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

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.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Mccauley Thomas S -- First Amer Title Ins Of Ny
Mccauley Thomas S $900,000 --
Mccauley Thomas S $900,000 --
Mccauley Thomas S $900,000 --
Mccauley Thomas S $900,000 --
Mccauley Thomas S $900,000 --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Mccauley Thomas S $150,000
Closed Mccauley Thomas S $150,000
Source: Public Records

Tax History

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 $25,709 $1,170 $408 $762
2024 $4,739 $1,197 $417 $780
2023 $24,845 $1,280 $446 $834
2022 $24,845 $1,280 $446 $834
2021 $22,232 $1,339 $467 $872
2020 $23,021 $1,956 $1,546 $410
2019 $24,870 $2,160 $1,576 $584
2018 $25,902 $2,160 $0 $0
2017 $16,637 $1,917 $1,707 $210
2016 $21,113 $1,917 $1,707 $210
2015 $4,330 $1,917 $1,707 $210
2014 $4,330 $1,917 $1,707 $210
2013 $4,099 $1,917 $1,707 $210
Source: Public Records

Map

New York Nassau County Williston Park 11596

21 Post Ave, Williston Park, NY

Not Listed for Sale

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Nearby Homes
Your Personal Tour Guide

Ask me questions while you tour the home.