91 Common St is a 2,672 square foot house on a 6,534 square foot lot with 4 bedrooms and 2.5 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $1,190,328.
Single-familyProperty Type
1839Year Built
6,534 sq ftLot Size
$445Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,190,328
$91K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.1% lower than the average sale price ($1.37M) 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
$11,875 (+6.6%)
$506,000 + $467,400
$973,400
2025
$11,136 (+10.2%)
$506,000 + $447,400
$953,400
2024
$10,103 (−6.9%)
$491,000 + $372,500
$863,500
2023
$10,854 (+9.3%)
$469,000 + $330,300
$799,300
2022
$9,932 (+14.9%)
$432,400 + $317,200
$749,600
2021
$8,644 (+3.0%)
$388,400 + $317,200
$705,600
2020
$8,389 (+5.5%)
$373,800 + $317,200
$691,000
2019
$7,951 (+2.9%)
$359,100 + $258,200
$617,300
2018
$7,728 (−3.0%)
$351,800 + $221,900
$573,700
2017
$7,969 (+9.7%)
$351,800 + $221,900
$573,700
2016
$7,264 (−3.7%)
$329,800 + $201,200
$531,000
2015
$7,541 (+0.5%)
$300,500 + $201,200
$501,700
2014
$7,505 (+1.9%)
$300,500 + $201,200
$501,700
2013
$7,365 (+7.5%)
$300,500 + $201,200
$501,700
2012
$6,854 (+7.5%)
$274,800 + $201,200
$476,000
2011
$6,373 (+1.3%)
$274,800 + $183,000
$457,800
2010
$6,289 (+7.3%)
$289,500 + $183,000
$472,500
2009
$5,859
$297,700 + $181,000
$478,700
Tax history for 91 Common St
Year
Property tax
Land + Additions
Assessment*
2026
$11,875 (+6.6%)
$506,000 + $467,400
$973,400
2025
$11,136 (+10.2%)
$506,000 + $447,400
$953,400
2024
$10,103 (−6.9%)
$491,000 + $372,500
$863,500
2023
$10,854 (+9.3%)
$469,000 + $330,300
$799,300
2022
$9,932 (+14.9%)
$432,400 + $317,200
$749,600
2021
$8,644 (+3.0%)
$388,400 + $317,200
$705,600
2020
$8,389 (+5.5%)
$373,800 + $317,200
$691,000
2019
$7,951 (+2.9%)
$359,100 + $258,200
$617,300
2018
$7,728 (−3.0%)
$351,800 + $221,900
$573,700
2017
$7,969 (+9.7%)
$351,800 + $221,900
$573,700
2016
$7,264 (−3.7%)
$329,800 + $201,200
$531,000
2015
$7,541 (+0.5%)
$300,500 + $201,200
$501,700
2014
$7,505 (+1.9%)
$300,500 + $201,200
$501,700
2013
$7,365 (+7.5%)
$300,500 + $201,200
$501,700
2012
$6,854 (+7.5%)
$274,800 + $201,200
$476,000
2011
$6,373 (+1.3%)
$274,800 + $183,000
$457,800
2010
$6,289 (+7.3%)
$289,500 + $183,000
$472,500
2009
$5,859
$297,700 + $181,000
$478,700
*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: 1,077
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Construction Type: Frame
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 2,672
Gross Sq. Ft: 4,299
# of Units: 3
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,534
Municipality Name: WATERTOWN
Acres: 0.15
Zoning Code: S-6
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.5
Sq. Ft.: 2,672
Stories: 3.0
Lot Size: 6,534 square feet
Style: Single Family Residential
Year Built: 1839
Year Renovated: —
County: Middlesex County
APN: 1481829S
Home facts updated by county records on Sep 10, 2026
Around this home
Schools
J.R. Lowell Elementary School
Public PreK-5 • Assigned • 0.5mi
8/10
Watertown Middle School
Public 6-8 • Assigned • 0.7mi
7/10
Watertown High School
Public 9-12 • Assigned • 0.7mi
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...