NOT LISTED FOR SALE

18 Cowasset Ln Waltham, MA 02451

Waltham Area

Estimated Value: $879,000 - $977,000

2 Beds
2 Baths
1,921 Sq Ft
$476/Sq Ft Est. Value

About This Home

This home is located at 18 Cowasset Ln, Waltham, MA 02451 and is currently estimated at $914,719, approximately $476 per square foot. 18 Cowasset Ln is a home located in Middlesex County with nearby schools including Thomas R Plympton Elementary School, John F Kennedy Middle School, and Waltham Sr 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 19, 2025
Sold by
Bought by
Current Estimated Value
$914,719

Purchase Details

Closed on
Sep 11, 2008
Sold by
Bought by

Purchase Details

Closed on
Aug 27, 1996
Sold by
Bought by
Source: Public Records

Range of Values:

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

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ICE

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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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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
-- --
-- --
$214,750 --
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 $100,000
Previous Owner $185,000
Previous Owner $156,600
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 $7,193 $732,500 $430,000 $302,500
2024 $6,733 $698,400 $430,000 $268,400
2023 $6,561 $635,800 $391,700 $244,100
2022 $6,619 $594,200 $357,600 $236,600
2021 $6,563 $579,800 $357,600 $222,200
2020 $6,381 $534,000 $323,600 $210,400
2019 $6,127 $484,000 $317,300 $166,700
2018 $5,651 $448,100 $293,800 $154,300
2017 $5,307 $422,500 $268,200 $154,300
2016 $4,963 $405,500 $251,200 $154,300
2015 $5,073 $386,400 $238,400 $148,000
Source: Public Records

Map

Massachusetts Middlesex County Waltham 02451

18 Cowasset Ln, Waltham, MA

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