21 Valley Rd is a 4,137 square foot house on a 2.15 acre lot with 5 bedrooms and 3.5 bathrooms. - it last sold on July 01, 1981 for $255,000. Based on Redfin's Arlington data, we estimate the home's value is $2,883,996.
Single-familyProperty Type
1928Year Built
2.15 acresLot Size
$697Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,883,996
$2.6M since sold in July 1981$16K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 52.1% higher than the average sale price ($1.90M) 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.
Zoning
R1
Single-Family District
The predominant uses in R1 are single-family dwellings and public land and buildings. The Town discourages intensive land uses, uses that would detract from the single-family residential character of these neighborhoods, and uses that would otherwise interfere with the intent of this Bylaw.
Permitted uses
Include but are not limited to:
Agriculture
Housing-Group
Housing-Single unit
Infrastructure
Recreation
Park & open space
Property details
Interior
Basement Information
Basement Sq. Ft: 1,761
Bathroom Information
# of Full Baths: 3
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Steam
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Fair
Building Style Type: Old
Construction Type: Frame
Exterior Wall: Stone/Stucco
Roof Shape Type: Gable
Property Information
Living Sq. Ft: 4,137
Gross Sq. Ft: 7,266
# of Units: 1
# of Stories: 3
Parking & Garage Information
Parking Type: Attached Garage
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 93,654
Municipality Name: ARLINGTON
Acres: 2.15
Zoning Code: R1
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 5
Baths: 3.5
Sq. Ft.: 4,137
Stories: 3.0
Lot Size: 2.15 acres
Style: Single Family Residential
Year Built: 1928
Year Renovated: 1959
County: Middlesex County
APN: 207424S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Places
Transit
Brackett Elementary School
Public K-5 • Assigned • 0.5mi
7/10
Ottoson Middle School
Public 7-8 • Assigned • 0.7mi
10/10
Arlington High School
Public 9-12 • Assigned • 0.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Arlington's location paired with its diverse housing stock of houses and condos has made it a desirable extension of the ever-popular Cambridge market. It is no longer a "backup" town, and has the convenience of what used to be called a "streetcar...