50 Waltham St is a 2,640 square foot multi-family home on a 5,663 square foot lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $1,079,918.
Multi-familyProperty Type
1970Year Built
5,663 sq ftLot Size
$409Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,079,918
$23K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.3% 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
$12,172 (+23.3%)
$379,900 + $617,800
$997,700
2025
$9,870 (+14.1%)
$379,900 + $465,100
$845,000
2024
$8,647 (−12.5%)
$368,500 + $370,600
$739,100
2023
$9,884 (+3.0%)
$361,400 + $366,400
$727,800
2022
$9,592 (+14.7%)
$354,300 + $369,600
$723,900
2021
$8,363 (+3.1%)
$325,900 + $356,800
$682,700
2020
$8,113 (+5.5%)
$318,900 + $349,400
$668,300
2019
$7,691 (+3.0%)
$297,600 + $299,500
$597,100
2018
$7,469 (+3.6%)
$283,400 + $271,100
$554,500
2017
$7,210 (+1.5%)
$248,000 + $271,100
$519,100
2016
$7,101 (+8.8%)
$248,000 + $271,100
$519,100
2015
$6,525 (+0.5%)
$220,400 + $213,700
$434,100
2014
$6,494 (+1.9%)
$220,400 + $213,700
$434,100
2013
$6,373 (+2.0%)
$220,400 + $213,700
$434,100
2012
$6,251 (+13.0%)
$220,400 + $213,700
$434,100
2011
$5,533 (+1.4%)
$220,400 + $177,100
$397,500
2010
$5,456 (−3.6%)
$232,100 + $177,800
$409,900
2009
$5,662
$252,600 + $210,000
$462,600
Tax history for 50 Waltham St
Year
Property tax
Land + Additions
Assessment*
2026
$12,172 (+23.3%)
$379,900 + $617,800
$997,700
2025
$9,870 (+14.1%)
$379,900 + $465,100
$845,000
2024
$8,647 (−12.5%)
$368,500 + $370,600
$739,100
2023
$9,884 (+3.0%)
$361,400 + $366,400
$727,800
2022
$9,592 (+14.7%)
$354,300 + $369,600
$723,900
2021
$8,363 (+3.1%)
$325,900 + $356,800
$682,700
2020
$8,113 (+5.5%)
$318,900 + $349,400
$668,300
2019
$7,691 (+3.0%)
$297,600 + $299,500
$597,100
2018
$7,469 (+3.6%)
$283,400 + $271,100
$554,500
2017
$7,210 (+1.5%)
$248,000 + $271,100
$519,100
2016
$7,101 (+8.8%)
$248,000 + $271,100
$519,100
2015
$6,525 (+0.5%)
$220,400 + $213,700
$434,100
2014
$6,494 (+1.9%)
$220,400 + $213,700
$434,100
2013
$6,373 (+2.0%)
$220,400 + $213,700
$434,100
2012
$6,251 (+13.0%)
$220,400 + $213,700
$434,100
2011
$5,533 (+1.4%)
$220,400 + $177,100
$397,500
2010
$5,456 (−3.6%)
$232,100 + $177,800
$409,900
2009
$5,662
$252,600 + $210,000
$462,600
*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: 1,320
Bathroom Information
# of Full Baths: 3
Heating & Cooling
Heating Type: Steam
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Duplex
Construction Type: Frame
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Hip
Property Information
Living Sq. Ft: 2,640
Gross Sq. Ft: 4,025
# of Units: 2
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,663
Municipality Name: WATERTOWN
Acres: 0.13
Zoning Code: T
State Use Description: 3-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,640
Stories: 2.0
Lot Size: 5,663 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1970
Year Renovated: —
County: Middlesex County
APN: 303013S
Home facts updated by county records on Sep 10, 2026
Around this home
Schools
Cunniff Elementary School
Public PreK-5 • Assigned • 0.6mi
8/10
Watertown Middle School
Public 6-8 • Assigned • 0.6mi
7/10
Watertown High School
Public 9-12 • Assigned • 0.5mi
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.
Watertown’s market has exploded in recent years, with high home prices. Located close to Boston, it offers the perfect balance of a seamless urban commute and the tranquility of suburban living. Enhanced by flexible MBTA bus options and its location...