65 Prospect St is a 1,584 square foot house on a 4,792 square foot lot with 3 bedrooms and 1 bathroom. Based on Redfin's Watertown data, we estimate the home's value is $860,925.
Single-familyProperty Type
1950Year Built
4,792 sq ftLot Size
$544Est. Price/Sq.Ft.
4 spacesParking
Source:Public Records
Redfin Estimate
$860,925
$32K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9.1% lower than the average sale price ($947K) 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
$8,937 (+6.3%)
$466,600 + $265,900
$732,500
2025
$8,406 (+14.7%)
$466,600 + $253,100
$719,700
2024
$7,329 (−10.0%)
$446,800 + $179,600
$626,400
2023
$8,140 (+5.6%)
$425,500 + $173,900
$599,400
2022
$7,708 (+10.9%)
$404,200 + $177,500
$581,700
2021
$6,952 (+3.5%)
$390,000 + $177,500
$567,500
2020
$6,718 (+6.9%)
$375,900 + $177,500
$553,400
2019
$6,285 (−1.0%)
$361,700 + $126,300
$488,000
2018
$6,351 (+8.4%)
$354,600 + $116,900
$471,500
2017
$5,859 (+5.1%)
$304,900 + $116,900
$421,800
2016
$5,577 (−4.0%)
$290,800 + $116,900
$407,700
2015
$5,808 (+6.3%)
$269,500 + $116,900
$386,400
2014
$5,462 (+1.9%)
$248,200 + $116,900
$365,100
2013
$5,360 (+6.6%)
$248,200 + $116,900
$365,100
2012
$5,027 (+6.3%)
$232,200 + $116,900
$349,100
2011
$4,729 (+0.9%)
$232,200 + $107,500
$339,700
2010
$4,688 (+9.0%)
$244,700 + $107,500
$352,200
2009
$4,300
$249,300 + $102,000
$351,300
Tax history for 65 Prospect St
Year
Property tax
Land + Additions
Assessment*
2026
$8,937 (+6.3%)
$466,600 + $265,900
$732,500
2025
$8,406 (+14.7%)
$466,600 + $253,100
$719,700
2024
$7,329 (−10.0%)
$446,800 + $179,600
$626,400
2023
$8,140 (+5.6%)
$425,500 + $173,900
$599,400
2022
$7,708 (+10.9%)
$404,200 + $177,500
$581,700
2021
$6,952 (+3.5%)
$390,000 + $177,500
$567,500
2020
$6,718 (+6.9%)
$375,900 + $177,500
$553,400
2019
$6,285 (−1.0%)
$361,700 + $126,300
$488,000
2018
$6,351 (+8.4%)
$354,600 + $116,900
$471,500
2017
$5,859 (+5.1%)
$304,900 + $116,900
$421,800
2016
$5,577 (−4.0%)
$290,800 + $116,900
$407,700
2015
$5,808 (+6.3%)
$269,500 + $116,900
$386,400
2014
$5,462 (+1.9%)
$248,200 + $116,900
$365,100
2013
$5,360 (+6.6%)
$248,200 + $116,900
$365,100
2012
$5,027 (+6.3%)
$232,200 + $116,900
$349,100
2011
$4,729 (+0.9%)
$232,200 + $107,500
$339,700
2010
$4,688 (+9.0%)
$244,700 + $107,500
$352,200
2009
$4,300
$249,300 + $102,000
$351,300
*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: 1,056
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Type: Forced Hot Water
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Cape Cod
Construction Type: Frame
Exterior Wall: Aluminum Siding
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 1,584
Gross Sq. Ft: 3,330
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,792
Municipality Name: WATERTOWN
Acres: 0.11
Zoning Code: S-6
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,584
Stories: 2.0
Lot Size: 4,792 square feet
Style: Single Family Residential
Year Built: 1950
Year Renovated: —
County: Middlesex County
APN: 3191803S
Home facts updated by county records on Sep 10, 2026
Around this home
Schools
Cunniff Elementary School
Public PreK-5 • Assigned • 0.3mi
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...