78 Walnut St is a 2,738 square foot condo with 3 bedrooms and 3.5 bathrooms. - it last sold on August 06, 2013 for $615,000. Based on Redfin's Watertown data, we estimate the home's value is $1,169,515.
CondoProperty Type
2011Year Built
$427Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,169,515
$555K since sold in August 2013$20K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.5% higher than the average sale price ($1.05M) of 6 comparable homes.
*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: 816
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Townhouse
Construction Type: Frame
Exterior Wall: Vinyl
Roof Shape Type: Gable
Property Information
Subdivision Name: WATERTOWN
Living Sq. Ft: 2,738
Gross Sq. Ft: 2,738
# of Units: 1
# of Stories: 3
Parking & Garage Information
Parking Type: Basement Garage
Garage / Carport Type: Basement
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,334
Municipality Name: WATERTOWN
Acres: 0.1913
Zoning Code: T
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.5
Sq. Ft.: 2,738
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 2011
Year Renovated: —
County: Middlesex County
APN: 2301959S
Home facts updated by county records on Sep 10, 2026
Around this home
Schools
Hosmer Elementary School
Public PreK-5 • Assigned • 0.2mi
7/10
Watertown Middle School
Public 6-8 • Assigned • 1.1mi
7/10
Watertown High School
Public 9-12 • Assigned • 1.1mi
6/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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...