20 Derby Rd is a 2,916 square foot multi-family home on a 6,534 square foot lot with 4 bedrooms and 2 bathrooms. Based on Redfin's Watertown data, we estimate the home's value is $1,106,373.
Multi-familyProperty Type
1927Year Built
6,534 sq ftLot Size
$379Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,106,373
$0 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.8% lower than the average sale price ($1.15M) 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
$12,973 (+7.3%)
$537,500 + $525,900
$1,063,400
2025
$12,090 (+11.2%)
$537,500 + $497,600
$1,035,100
2024
$10,874 (−11.2%)
$523,200 + $406,200
$929,400
2023
$12,251 (+7.5%)
$500,400 + $401,700
$902,100
2022
$11,395 (+11.9%)
$454,900 + $405,100
$860,000
2021
$10,183 (+3.8%)
$439,800 + $391,500
$831,300
2020
$9,812 (+2.4%)
$424,600 + $383,600
$808,200
2019
$9,584 (+4.0%)
$424,600 + $319,500
$744,100
2018
$9,219 (+4.5%)
$394,300 + $290,100
$684,400
2017
$8,822 (+4.7%)
$345,000 + $290,100
$635,100
2016
$8,428 (+10.3%)
$326,000 + $290,100
$616,100
2015
$7,640 (+4.4%)
$288,100 + $220,200
$508,300
2014
$7,321 (+1.9%)
$269,200 + $220,200
$489,400
2013
$7,184 (+6.0%)
$269,200 + $220,200
$489,400
2012
$6,775 (+0.3%)
$254,000 + $216,500
$470,500
2011
$6,754 (+1.8%)
$248,300 + $236,900
$485,200
2010
$6,635 (+2.6%)
$261,600 + $236,900
$498,500
2009
$6,464
$286,000 + $242,100
$528,100
Tax history for 20 Derby Rd
Year
Property tax
Land + Additions
Assessment*
2026
$12,973 (+7.3%)
$537,500 + $525,900
$1,063,400
2025
$12,090 (+11.2%)
$537,500 + $497,600
$1,035,100
2024
$10,874 (−11.2%)
$523,200 + $406,200
$929,400
2023
$12,251 (+7.5%)
$500,400 + $401,700
$902,100
2022
$11,395 (+11.9%)
$454,900 + $405,100
$860,000
2021
$10,183 (+3.8%)
$439,800 + $391,500
$831,300
2020
$9,812 (+2.4%)
$424,600 + $383,600
$808,200
2019
$9,584 (+4.0%)
$424,600 + $319,500
$744,100
2018
$9,219 (+4.5%)
$394,300 + $290,100
$684,400
2017
$8,822 (+4.7%)
$345,000 + $290,100
$635,100
2016
$8,428 (+10.3%)
$326,000 + $290,100
$616,100
2015
$7,640 (+4.4%)
$288,100 + $220,200
$508,300
2014
$7,321 (+1.9%)
$269,200 + $220,200
$489,400
2013
$7,184 (+6.0%)
$269,200 + $220,200
$489,400
2012
$6,775 (+0.3%)
$254,000 + $216,500
$470,500
2011
$6,754 (+1.8%)
$248,300 + $236,900
$485,200
2010
$6,635 (+2.6%)
$261,600 + $236,900
$498,500
2009
$6,464
$286,000 + $242,100
$528,100
*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: 1,458
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Type: Steam
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Duplex
Construction Type: Frame
Exterior Wall: Aluminum Siding
Roof Shape Type: Hip
Property Information
Living Sq. Ft: 2,916
Gross Sq. Ft: 4,616
# of Units: 2
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,534
Municipality Name: WATERTOWN
Acres: 0.15
Zoning Code: T
State Use Description: 2-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,916
Stories: 2.0
Lot Size: 6,534 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1927
Year Renovated: —
County: Middlesex County
APN: 626034S
Home facts updated by county records on Jul 28, 2026
Around this home
Schools
Hosmer Elementary School
Public PreK-5 • Assigned • 1.3mi
7/10
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.