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 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...