120 Riverside St is a 1,782 square foot house on a 7,841 square foot lot with 4 bedrooms and 1 bathroom. Based on Redfin's Watertown data, we estimate the home's value is $905,613.
Single-familyProperty Type
1888Year Built
7,841 sq ftLot Size
$508Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$905,613
$13K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19% lower than the average sale price ($1.12M) 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
$10,591 (+6.4%)
$497,300 + $370,800
$868,100
2025
$9,953 (+10.3%)
$497,300 + $354,800
$852,100
2024
$9,024 (−8.4%)
$468,600 + $302,700
$771,300
2023
$9,855 (+10.8%)
$453,500 + $272,200
$725,700
2022
$8,895 (+9.4%)
$408,100 + $263,200
$671,300
2021
$8,132 (+3.3%)
$400,600 + $263,200
$663,800
2020
$7,874 (+5.0%)
$385,400 + $263,200
$648,600
2019
$7,496 (+8.7%)
$370,300 + $211,700
$582,000
2018
$6,893 (−3.0%)
$328,800 + $182,900
$511,700
2017
$7,108 (+13.0%)
$328,800 + $182,900
$511,700
2016
$6,290 (−5.9%)
$294,800 + $165,000
$459,800
2015
$6,682 (+0.5%)
$279,600 + $165,000
$444,600
2014
$6,651 (+1.9%)
$279,600 + $165,000
$444,600
2013
$6,527 (+9.9%)
$279,600 + $165,000
$444,600
2012
$5,940 (+0.5%)
$247,500 + $165,000
$412,500
2011
$5,909 (+1.4%)
$247,500 + $177,000
$424,500
2010
$5,826 (+7.1%)
$260,700 + $177,000
$437,700
2009
$5,441
$279,600 + $164,900
$444,500
Tax history for 120 Riverside St
Year
Property tax
Land + Additions
Assessment*
2026
$10,591 (+6.4%)
$497,300 + $370,800
$868,100
2025
$9,953 (+10.3%)
$497,300 + $354,800
$852,100
2024
$9,024 (−8.4%)
$468,600 + $302,700
$771,300
2023
$9,855 (+10.8%)
$453,500 + $272,200
$725,700
2022
$8,895 (+9.4%)
$408,100 + $263,200
$671,300
2021
$8,132 (+3.3%)
$400,600 + $263,200
$663,800
2020
$7,874 (+5.0%)
$385,400 + $263,200
$648,600
2019
$7,496 (+8.7%)
$370,300 + $211,700
$582,000
2018
$6,893 (−3.0%)
$328,800 + $182,900
$511,700
2017
$7,108 (+13.0%)
$328,800 + $182,900
$511,700
2016
$6,290 (−5.9%)
$294,800 + $165,000
$459,800
2015
$6,682 (+0.5%)
$279,600 + $165,000
$444,600
2014
$6,651 (+1.9%)
$279,600 + $165,000
$444,600
2013
$6,527 (+9.9%)
$279,600 + $165,000
$444,600
2012
$5,940 (+0.5%)
$247,500 + $165,000
$412,500
2011
$5,909 (+1.4%)
$247,500 + $177,000
$424,500
2010
$5,826 (+7.1%)
$260,700 + $177,000
$437,700
2009
$5,441
$279,600 + $164,900
$444,500
*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: 891
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Forced Hot Water
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Construction Type: Frame
Exterior Wall: Vinyl
Roof Shape Type: Gable
Property Information
Subdivision Name: WATERTOWN
Living Sq. Ft: 1,782
Gross Sq. Ft: 3,877
# of Units: 3
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,841
Municipality Name: WATERTOWN
Acres: 0.18
Zoning Code: T
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 1.0
Sq. Ft.: 1,782
Stories: 3.0
Lot Size: 7,841 square feet
Style: Single Family Residential
Year Built: 1888
Year Renovated: —
County: Middlesex County
APN: 2336140S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Hosmer Elementary School
Public PreK-5 • Assigned • 0.7mi
7/10
Watertown Middle School
Public 6-8 • Assigned • 0.9mi
7/10
Watertown High School
Public 9-12 • Assigned • 1.0mi
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.