21 Whitman Rd is a 1,671 square foot house on a 6,098 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $829,295.
Single-familyProperty Type
1951Year Built
6,098 sq ftLot Size
$496Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$829,295
$4,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.2% lower than the average sale price ($894K) 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
$9,487 (+6.4%)
$481,300 + $296,300
$777,600
2025
$8,919 (+12.1%)
$481,300 + $282,300
$763,600
2024
$7,957 (−10.0%)
$461,200 + $218,900
$680,100
2023
$8,843 (+5.6%)
$439,200 + $212,000
$651,200
2022
$8,371 (+10.7%)
$417,200 + $214,600
$631,800
2021
$7,561 (+3.3%)
$402,600 + $214,600
$617,200
2020
$7,316 (+7.2%)
$388,000 + $214,600
$602,600
2019
$6,826 (−0.7%)
$373,300 + $156,700
$530,000
2018
$6,872 (+9.5%)
$366,000 + $144,200
$510,200
2017
$6,273 (+1.5%)
$307,400 + $144,200
$451,600
2016
$6,178 (−4.8%)
$307,400 + $144,200
$451,600
2015
$6,491 (+0.5%)
$287,700 + $144,200
$431,900
2014
$6,461 (+1.9%)
$287,700 + $144,200
$431,900
2013
$6,340 (+1.9%)
$287,700 + $144,200
$431,900
2012
$6,219 (+6.3%)
$287,700 + $144,200
$431,900
2011
$5,851 (+0.2%)
$287,700 + $132,600
$420,300
2010
$5,840 (+13.2%)
$303,000 + $135,800
$438,800
2009
$5,157
$270,800 + $150,500
$421,300
Tax history for 21 Whitman Rd
Year
Property tax
Land + Additions
Assessment*
2026
$9,487 (+6.4%)
$481,300 + $296,300
$777,600
2025
$8,919 (+12.1%)
$481,300 + $282,300
$763,600
2024
$7,957 (−10.0%)
$461,200 + $218,900
$680,100
2023
$8,843 (+5.6%)
$439,200 + $212,000
$651,200
2022
$8,371 (+10.7%)
$417,200 + $214,600
$631,800
2021
$7,561 (+3.3%)
$402,600 + $214,600
$617,200
2020
$7,316 (+7.2%)
$388,000 + $214,600
$602,600
2019
$6,826 (−0.7%)
$373,300 + $156,700
$530,000
2018
$6,872 (+9.5%)
$366,000 + $144,200
$510,200
2017
$6,273 (+1.5%)
$307,400 + $144,200
$451,600
2016
$6,178 (−4.8%)
$307,400 + $144,200
$451,600
2015
$6,491 (+0.5%)
$287,700 + $144,200
$431,900
2014
$6,461 (+1.9%)
$287,700 + $144,200
$431,900
2013
$6,340 (+1.9%)
$287,700 + $144,200
$431,900
2012
$6,219 (+6.3%)
$287,700 + $144,200
$431,900
2011
$5,851 (+0.2%)
$287,700 + $132,600
$420,300
2010
$5,840 (+13.2%)
$303,000 + $135,800
$438,800
2009
$5,157
$270,800 + $150,500
$421,300
*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: 987
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Forced Hot Water
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Cape Cod
Construction Type: Frame
Exterior Wall: Vinyl
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 1,671
Gross Sq. Ft: 3,413
# of Units: 1
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,098
Municipality Name: WATERTOWN
Acres: 0.14
Zoning Code: S-6
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,671
Stories: 2.0
Lot Size: 6,098 square feet
Style: Single Family Residential
Year Built: 1951
Year Renovated: —
County: Middlesex County
APN: 3773800S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Places
Transit
Cunniff Elementary School
Public PreK-5 • Assigned • 0.4mi
8/10
Watertown Middle School
Public 6-8 • Assigned • 0.8mi
7/10
Watertown High School
Public 9-12 • Assigned • 0.8mi
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.