135 Riverside St is a 2,880 square foot multi-family home on a 6,534 square foot lot with 6 bedrooms and 2 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $1,023,246.
Multi-familyProperty Type
1888Year Built
6,534 sq ftLot Size
$355Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,023,246
$272K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.2% lower than the average sale price ($1.18M) 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
$11,161 (+65.5%)
$484,700 + $430,100
$914,800
2016
$6,742 (−6.1%)
$295,900 + $196,900
$492,800
2015
$7,180 (+0.5%)
$280,800 + $196,900
$477,700
2014
$7,146
$280,800 + $196,900
$477,700
Tax history for 135 Riverside St
Year
Property tax
Land + Additions
Assessment*
2026
$11,161 (+65.5%)
$484,700 + $430,100
$914,800
2016
$6,742 (−6.1%)
$295,900 + $196,900
$492,800
2015
$7,180 (+0.5%)
$280,800 + $196,900
$477,700
2014
$7,146
$280,800 + $196,900
$477,700
*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: 1,152
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Steam
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Multi-Family
Construction Type: Frame
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 2,880
Gross Sq. Ft: 4,668
# of Units: 2
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,534
Municipality Name: WATERTOWN
Acres: 0.15
Zoning Code: T
State Use Description: 2-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 6
Baths: 2.0
Sq. Ft.: 2,880
Stories: 3.0
Lot Size: 6,534 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1888
Year Renovated: —
County: Middlesex County
APN: 431921S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Places
Transit
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.