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6 Mason St; Cambridge, MA Property Details

6 Mason St, Cambridge, MA is a Quadruplex 4 Units that was built in 1870. This property is not for sale. Our records show that 6 Mason St has a total of 8,040 square feet. The lot size of 6 Mason St is 5,404 square feet.

Off market
12 Mason St Cambridge, MA 02138
$3,917,300 Estimated Value
8,040 SqFt
Property Details

Summary

  • Owners / Type: 1 / Corporate
  • Owner Status: Corporate
  • Year Built: 1870
  • APN: CAMB M:00170 L:00027
  • Situs County: Middlesex City

Structure

  • Building Style: Brick
  • Stories: 3
  • Exterior Wall Type: Brick
  • Building Condition: Good
  • Roof Type: Mansard
  • Roof Cover Type: Tile

Measurements

  • Total: 8,040/SqFt
  • Lot: 5,404/SqFt
  • Gross: 10,744/SqFt
  • Living: 8,040/SqFt
  • Basement: 2,664/SqFt
  • Building: 8,040/SqFt
  • Ground: 2,712/SqFt
  • Basement Unfinished: 2,664/SqFt
Building Insights

Land Information

  • Property Type: Quadruplex 4 Units
  • Within Flood Zone: True
  • Flood Zone: X / Low/Medium Risk
  • School District: Cambridge School District
  • Lat / Lon: 42.376034 / -71.123695
  • Property Class: Residential
  • Zoning: C-2
  • County Use Code: 111

Amenities

  • Heating Fuel Type: Gas
  • Plus Four: 3417
  • Cooling: Yes
  • Heating: Hot Water

Ownership Info

12 Mason St has no associated ownership info
12 Mason St has no associated ownership info.

Taxes

12 Mason St has 7 associated Taxes items

6 Mason St, Cambridge, MA pays taxes in Middlesex City County, MA. The most recent tax assessment records are from 2025 and show that the current assessed value of the property is $3,917,300. The APN we've located for 6 Mason St is CAMB M:00170 L:00027.

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Taxes
  • Assessed Value:  $3,917,300
  • Assessed Year:  2025
  • Assessed County:  Middlesex City
  • APN:  CAMB M:00170 L:00027
  • Assessed Land Value:  2054100
  • Tax Amount:  24875
  • Tax Year:  2025

Tax History

12 Mason St has 12 associated Tax History items
YearAssessed ValueLand ValueImprovement ValueTax AmountChange RateAssessed CRTax Rate
Year 2025 Assessed Value $3,917,300 Land Value $2,054,100 Improvement Value $1,863,200 Tax Amount $24,875 Change Rate +0.034261% Assessed CR Tax Rate +0.00635%
Year 2024 Assessed Value $4,062,700 Land Value $2,037,600 Improvement Value $2,025,100 Tax Amount $24,051 Change Rate -0.01041% Assessed CR Tax Rate +0.00592%
Year 2023 Assessed Value $4,147,400 Land Value $2,029,400 Improvement Value $2,118,000 Tax Amount $24,304 Change Rate +0.098983% Assessed CR Tax Rate +0.00586%
Year 2022 Assessed Value $3,735,700 Land Value $1,874,400 Improvement Value $1,861,300 Tax Amount $22,115 Change Rate -0.031064% Assessed CR Tax Rate +0.00592%
Year 2021 Assessed Value $3,901,600 Land Value $1,839,400 Improvement Value $2,062,200 Tax Amount $22,824 Change Rate +0.098734% Assessed CR Tax Rate +0.00585%
Year 2020 Assessed Value $3,612,700 Land Value $1,760,400 Improvement Value $1,852,300 Tax Amount $20,773 Change Rate +0.074484% Assessed CR Tax Rate +0.00575%
Year 2019 Assessed Value $3,254,700 Land Value $1,482,800 Improvement Value $1,771,900 Tax Amount $19,333 Change Rate +0.057662% Assessed CR Tax Rate +0.00594%
Year 2018 Assessed Value $2,906,100 Land Value $1,475,200 Improvement Value $1,430,900 Tax Amount $18,279 Change Rate +0.066826% Assessed CR Tax Rate +0.00629%
Year 2017 Assessed Value $2,640,100 Land Value $1,406,800 Improvement Value $1,233,300 Tax Amount $17,134 Change Rate +0.050843% Assessed CR Tax Rate +0.00649%
Year 2016 Assessed Value $2,332,600 Land Value $1,216,700 Improvement Value $1,115,900 Tax Amount $16,305 Change Rate +0.01868% Assessed CR Tax Rate +0.00699%
Year 2015 Assessed Value $2,046,800 Land Value $1,140,600 Improvement Value $906,200 Tax Amount $16,006 Change Rate +0.028135% Assessed CR Tax Rate +0.00782%
Year 2014 Assessed Value $1,857,800 Land Value $1,110,200 Improvement Value $747,600 Tax Amount $15,568 Change Rate Assessed CR Tax Rate +0.00838%