As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$22,734
$280,125 + $1,583,325
$1,863,450
2025
$373,500 + $2,111,100
$2,484,600
2024
$373,500 + $1,768,300
$2,141,800
2023
$373,500 + $1,768,300
$2,141,800
2022
$369,000 + $1,730,800
$2,099,800
2021
$360,000 + $1,730,800
$2,090,800
2020
$360,000 + $1,723,900
$2,083,900
2019
$315,000 + $1,576,900
$1,891,900
2018
$315,000 + $1,512,700
$1,827,700
2017
$315,000 + $1,512,700
$1,827,700
2016
$315,000 + $1,512,700
$1,827,700
2015
$252,000 + $1,219,100
$1,471,100
2014
$252,000 + $1,219,100
$1,471,100
2013
$252,000 + $1,219,100
$1,471,100
2012
$243,000 + $1,219,100
$1,462,100
2011
$243,000 + $1,219,100
$1,462,100
2010
$243,000 + $951,500
$1,194,500
2009
$270,000 + $951,800
$1,221,800
Tax history for 80 Main St
Year
Property tax
Land + Additions
Assessment*
2026
$22,734
$280,125 + $1,583,325
$1,863,450
2025
$373,500 + $2,111,100
$2,484,600
2024
$373,500 + $1,768,300
$2,141,800
2023
$373,500 + $1,768,300
$2,141,800
2022
$369,000 + $1,730,800
$2,099,800
2021
$360,000 + $1,730,800
$2,090,800
2020
$360,000 + $1,723,900
$2,083,900
2019
$315,000 + $1,576,900
$1,891,900
2018
$315,000 + $1,512,700
$1,827,700
2017
$315,000 + $1,512,700
$1,827,700
2016
$315,000 + $1,512,700
$1,827,700
2015
$252,000 + $1,219,100
$1,471,100
2014
$252,000 + $1,219,100
$1,471,100
2013
$252,000 + $1,219,100
$1,471,100
2012
$243,000 + $1,219,100
$1,462,100
2011
$243,000 + $1,219,100
$1,462,100
2010
$243,000 + $951,500
$1,194,500
2009
$270,000 + $951,800
$1,221,800
*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: 3,996
Bathroom Information
# of Full Baths: 10
# of 1/2 Baths: 2
Heating & Cooling
Heating Type: Forced Hot Water
Room Information
# of Rooms: 38
Exterior
Exterior Information
Physical Condition: Average
Construction Type: Frame
Exterior Wall: Shingle
Roof Shape Type: Hip
Property Information
Living Sq. Ft: 11,428
Gross Sq. Ft: 15,528
# of Units: 3
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,098
Municipality Name: WATERTOWN
Acres: 0.14
Zoning Code: CB
State Use Description: MIXED USE-PRIM RES & COMM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 18
Baths: 11.0
Sq. Ft.: 11,428
Stories: 3.0
Lot Size: 6,098 square feet
Style: Other
Year Built: 1900
Year Renovated: —
County: Middlesex County
APN: 470903S
Home facts updated by county records on Jul 28, 2026
Around this home
Schools
J.R. Lowell Elementary School
Public PreK-5 • Assigned • 0.7mi
8/10
Watertown Middle School
Public 6-8 • Assigned • 0.5mi
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...