79 Commonwealth Rd is a 2,957 square foot multi-family home on a 4,792 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $1,226,952.
Multi-familyProperty Type
1912Year Built
4,792 sq ftLot Size
$415Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,226,952
$40K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.3% lower than the average sale price ($1.27M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$14,928 (+7.5%)
$590,500 + $633,100
$1,223,600
2025
$13,881 (+5.7%)
$590,500 + $597,900
$1,188,400
2024
$13,136 (−9.6%)
$582,300 + $540,400
$1,122,700
2023
$14,539 (+6.8%)
$545,900 + $524,700
$1,070,600
2022
$13,609 (+14.2%)
$502,200 + $524,900
$1,027,100
2021
$11,916 (+2.0%)
$465,800 + $506,900
$972,700
2020
$11,680 (+3.4%)
$465,800 + $496,300
$962,100
2019
$11,292
$465,800 + $410,900
$876,700
2018
$11,281 (−1.3%)
$465,800 + $371,700
$837,500
2017
$11,431 (+1.9%)
$451,300 + $371,700
$823,000
2016
$11,219 (+9.3%)
$448,400 + $371,700
$820,100
2015
$10,261 (+2.9%)
$404,300 + $278,400
$682,700
2014
$9,974 (+1.9%)
$388,300 + $278,400
$666,700
2013
$9,787 (+5.1%)
$388,300 + $278,400
$666,700
2012
$9,312 (+6.0%)
$368,300 + $278,400
$646,700
2011
$8,785 (+4.6%)
$332,300 + $298,800
$631,100
2010
$8,400 (−1.0%)
$332,300 + $298,800
$631,100
2009
$8,487
$377,500 + $315,900
$693,400
Tax history for 79 Commonwealth Rd
Year
Property tax
Land + Additions
Assessment*
2026
$14,928 (+7.5%)
$590,500 + $633,100
$1,223,600
2025
$13,881 (+5.7%)
$590,500 + $597,900
$1,188,400
2024
$13,136 (−9.6%)
$582,300 + $540,400
$1,122,700
2023
$14,539 (+6.8%)
$545,900 + $524,700
$1,070,600
2022
$13,609 (+14.2%)
$502,200 + $524,900
$1,027,100
2021
$11,916 (+2.0%)
$465,800 + $506,900
$972,700
2020
$11,680 (+3.4%)
$465,800 + $496,300
$962,100
2019
$11,292
$465,800 + $410,900
$876,700
2018
$11,281 (−1.3%)
$465,800 + $371,700
$837,500
2017
$11,431 (+1.9%)
$451,300 + $371,700
$823,000
2016
$11,219 (+9.3%)
$448,400 + $371,700
$820,100
2015
$10,261 (+2.9%)
$404,300 + $278,400
$682,700
2014
$9,974 (+1.9%)
$388,300 + $278,400
$666,700
2013
$9,787 (+5.1%)
$388,300 + $278,400
$666,700
2012
$9,312 (+6.0%)
$368,300 + $278,400
$646,700
2011
$8,785 (+4.6%)
$332,300 + $298,800
$631,100
2010
$8,400 (−1.0%)
$332,300 + $298,800
$631,100
2009
$8,487
$377,500 + $315,900
$693,400
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
Basement Information
Basement Sq. Ft: 1,295
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Steam
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Average
Construction Type: Frame
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 2,957
Gross Sq. Ft: 5,684
# of Units: 2
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,792
Municipality Name: WATERTOWN
Acres: 0.11
Zoning Code: T
State Use Description: 2-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,957
Stories: 3.0
Lot Size: 4,792 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1912
Year Renovated: —
County: Middlesex County
APN: 357068S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Hosmer Elementary School
Public PreK-5 • Assigned • 0.4mi
7/10
Watertown Middle School
Public 6-8 • Assigned • 1.3mi
7/10
Watertown High School
Public 9-12 • Assigned • 1.3mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Watertown's urban-suburban feeling paired with its proximity to Cambridge & Boston have caused it to rapidly transform into a destination for home buyers. Historically a manufacturing city, it has changed into a restaurant, shopping, and biotech hub...
with a completely built-out residential landscape.