NOT LISTED FOR SALE

Estimated Value: $1,976,000 - $2,781,000

3 Beds
2 Baths
1,400 Sq Ft
$1,763/Sq Ft Est. Value

About This Home

This home is located at 21 Flagg Ave, Montauk, NY 11954 and is currently estimated at $2,467,659, approximately $1,762 per square foot. 21 Flagg Ave is a home located in Suffolk County with nearby schools including Montauk School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Jul 28, 2023
Sold by
Thorson Sara
Bought by
Stridfeldt Caroline E
Current Estimated Value
$2,467,659

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$184,000
Outstanding Balance
$180,165
Interest Rate
6.81%
Mortgage Type
Purchase Money Mortgage
Estimated Equity
$2,562,359

Purchase Details

Closed on
Jul 19, 2013
Sold by
Castelli Jean
Bought by
Thorson Sara

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$625,000
Interest Rate
3.04%
Mortgage Type
New Conventional

Purchase Details

Closed on
Sep 16, 2002
Sold by
Colarusso James and Harris Merrie A
Bought by
Castelli Jean

Purchase Details

Closed on
Oct 3, 1997
Sold by
Heppenstall Walter and Heppenstall June
Bought by
Colarusso James and Harris Merrie

Purchase Details

Closed on
Jan 23, 1997
Sold by
Kornbluth Ira and Heppenstall John
Bought by
Heppenstall Walter and Heppenstall June
Source: Public Records

Range of Values:

Collateral Analytics

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ICE

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First American

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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

Date Buyer Sale Price Title Company
Stridfeldt Caroline E $2,300,000 None Available
Stridfeldt Caroline E $2,300,000 None Available
Thorson Sara $895,000 --
Thorson Sara $895,000 --
Castelli Jean $560,000 --
Castelli Jean $560,000 --
Colarusso James $170,000 Fidelity National Title Ins
Colarusso James $170,000 Fidelity National Title Ins
Heppenstall Walter -- --
Heppenstall Walter -- --
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Stridfeldt Caroline E $184,000
Closed Stridfeldt Caroline E $184,000
Previous Owner Thorson Sara $625,000
Previous Owner Harris Merrie A $195,000
Source: Public Records

Tax History Compared to Growth

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
2024 $5,149 $4,500 $400 $4,100
2023 $5,149 $4,500 $400 $4,100
2022 $4,367 $4,500 $400 $4,100
2021 $4,367 $4,500 $400 $4,100
2020 $4,351 $4,500 $400 $4,100
2019 $4,351 $0 $0 $0
2018 $4,367 $4,500 $400 $4,100
2017 $4,377 $4,500 $400 $4,100
2016 $4,350 $4,500 $400 $4,100
2015 -- $4,500 $400 $4,100
2014 -- $4,500 $400 $4,100
Source: Public Records

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