As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$9,089 (+2.0%)
$778,200
2024
$8,914 (−6.3%)
$761,900
2023
$9,517 (+11.9%)
$700,800
2022
$8,503 (+47.5%)
$641,700
2021
$5,765
$470,600
Tax history for 507 Main St
Year
Property tax
Land + Additions
Assessment*
2025
$9,089 (+2.0%)
$778,200
2024
$8,914 (−6.3%)
$761,900
2023
$9,517 (+11.9%)
$700,800
2022
$8,503 (+47.5%)
$641,700
2021
$5,765
$470,600
*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: 650
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Construction Type: Frame
Exterior Wall: Vinyl
Roof Shape Type: Hip
Property Information
Living Sq. Ft: 1,229
Gross Sq. Ft: 1,879
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Municipality Name: WATERTOWN
Zoning Code: S-6
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,229
Stories: 2.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1900
Year Renovated: 2010
County: Middlesex County
APN: 5118528
Home facts updated by county records on Jul 16, 2026
Around this home
Schools
K - 12
Preschool & daycare
Cunniff Elementary School
Public PreK-5 • Assigned • 0.3mi
8/10
Watertown Middle School
Public 6-8 • Assigned • 0.3mi
7/10
Watertown High School
Public 9-12 • Assigned • 0.2mi
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...