NOT LISTED FOR SALE

805 Main St Cambridge, MA 02139

The Port Neighborhood

Estimated Value: $6,804,990

Studio
-- Bath
6,015 Sq Ft
$1,131/Sq Ft Est. Value

About This Home

This home is located at 805 Main St, Cambridge, MA 02139 and is currently estimated at $6,804,990, approximately $1,131 per square foot. 805 Main St is a home located in Middlesex County with nearby schools including Cambridgeport, King Open School, and Martin Luther King, Jr. 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 12, 2025
Sold by
Bought by
Current Estimated Value
$6,804,990

Purchase Details

Closed on
Mar 14, 2019
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
$3,225,000
Interest Rate
4.4%
Mortgage Type
Commercial

Purchase Details

Closed on
Jul 11, 2013
Sold by
Bought by
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

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.

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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
$5,750,000 --
$4,300,000 --
$1,200,000 --
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 $500,000
Previous Owner $1,460,000
Previous Owner $4,400,000
Closed $4,000,000
Previous Owner $4,000,000
Previous Owner $3,225,000
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 $29,390 $2,551,200 $1,512,600 $1,038,600
2024 $26,395 $2,523,400 $1,595,500 $927,900
2023 $25,230 $2,430,600 $1,595,500 $835,100
2022 $27,335 $2,434,100 $1,481,500 $952,600
2021 $30,140 $2,543,500 $1,253,600 $1,289,900
2020 $28,947 $2,282,900 $1,191,400 $1,091,500
2019 $28,047 $2,045,700 $1,025,700 $1,020,000
2018 $27,413 $1,851,000 $911,700 $939,300
2017 $26,825 $1,664,100 $808,100 $856,000
2016 $26,604 $1,502,200 $683,800 $818,400
2015 $26,271 $1,361,900 $632,000 $729,900
2014 $26,554 $1,299,100 $600,900 $698,200
Source: Public Records

Map

Massachusetts Middlesex County Cambridge 02139 The Port

805 Main St, Cambridge, MA

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.

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