131 Riverside St Unit A is a 2,140 square foot condo with 3 bedrooms and 2 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $951,936.
CondoProperty Type
1892Year Built
$445Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$951,936
$12K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.8% lower than the average sale price ($970K) 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
$9,625 (+4.5%)
$788,900
2025
$9,214 (+18.3%)
$788,900
2024
$7,786 (−9.8%)
$665,500
2023
$8,633 (+9.9%)
$635,700
2022
$7,856 (+10.0%)
$592,900
2021
$7,145 (+1.7%)
$583,300
2020
$7,023 (+5.5%)
$578,500
2019
$6,659 (+4.9%)
$517,000
2018
$6,348 (+1.2%)
$471,300
2017
$6,274 (+10.7%)
$451,700
2016
$5,669 (−7.7%)
$414,400
2015
$6,140 (+6.6%)
$408,500
2014
$5,758 (+5.1%)
$384,900
2013
$5,477 (+1.9%)
$373,100
2012
$5,373 (+5.1%)
$373,100
2011
$5,110 (+4.6%)
$367,100
2010
$4,886 (+6.1%)
$367,100
2009
$4,607
$376,400
Tax history for 131 Riverside St Unit A
Year
Property tax
Land + Additions
Assessment*
2026
$9,625 (+4.5%)
$788,900
2025
$9,214 (+18.3%)
$788,900
2024
$7,786 (−9.8%)
$665,500
2023
$8,633 (+9.9%)
$635,700
2022
$7,856 (+10.0%)
$592,900
2021
$7,145 (+1.7%)
$583,300
2020
$7,023 (+5.5%)
$578,500
2019
$6,659 (+4.9%)
$517,000
2018
$6,348 (+1.2%)
$471,300
2017
$6,274 (+10.7%)
$451,700
2016
$5,669 (−7.7%)
$414,400
2015
$6,140 (+6.6%)
$408,500
2014
$5,758 (+5.1%)
$384,900
2013
$5,477 (+1.9%)
$373,100
2012
$5,373 (+5.1%)
$373,100
2011
$5,110 (+4.6%)
$367,100
2010
$4,886 (+6.1%)
$367,100
2009
$4,607
$376,400
*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: 760
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Townhouse
Construction Type: Frame
Exterior Wall: Shingle
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 2,140
Gross Sq. Ft: 2,530
# of Units: 1
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,053
Municipality Name: WATERTOWN
Acres: 0.139
Zoning Code: T
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,140
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1892
Year Renovated: —
County: Middlesex County
APN: 3787184S
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 • 1.0mi
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.