NOT LISTED FOR SALE

15 Union Square Somerville, MA 02143

Prospect Hill Neighborhood

Estimated Value: $900,881

3 Beds
1 Bath
2,176 Sq Ft
$414/Sq Ft Est. Value

About This Home

This home is located at 15 Union Square, Somerville, MA 02143 and is currently estimated at $900,881, approximately $414 per square foot. 15 Union Square is a home located in Middlesex County with nearby schools including Somerville High School and Torit Montessori 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
Aug 28, 2025
Sold by
Bought by
Current Estimated Value
$900,881

Purchase Details

Closed on
Apr 1, 2014
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
$367,500
Interest Rate
0.0427%
Mortgage Type
Commercial
Source: Public Records

Range of Values:

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

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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
$900,000 --
$700,000 --
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
Closed $930,000
Closed $305,000
Closed $367,500
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 $15,827 $836,500 $397,100 $439,400
2024 $15,224 $836,500 $397,100 $439,400
2023 $14,513 $836,500 $397,100 $439,400
2022 $14,095 $836,500 $397,100 $439,400
2021 $7,458 $836,500 $397,100 $439,400
2020 $13,652 $836,500 $397,100 $439,400
2019 $6,873 $761,500 $378,200 $383,300
2018 $13,583 $745,900 $378,200 $367,700
2017 $13,043 $693,400 $356,800 $336,600
2016 $13,262 $657,200 $330,800 $326,400
2015 $11,123 $545,800 $315,000 $230,800
Source: Public Records

Map

Massachusetts Middlesex County Somerville 02143 Prospect Hill

15 Union Square, Somerville, MA

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