21 Arthur Rd is a 1,348 square foot house on a 8,276 square foot lot with 3 bedrooms and 2.5 bathrooms. - it last sold on June 05, 1991 for $295,000. Based on Redfin's Belmont data, we estimate the home's value is $1,434,752.
Single-familyProperty Type
1971Year Built
8,276 sq ftLot Size
$1,064Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,434,752
$1.1M since sold in June 1991$5,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.7% lower than the average sale price ($1.45M) 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: 300
Basement Type: Full
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Hot Water
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Raised Ranch
Construction Type: Frame
Exterior Wall: Aluminum/Vinyl
Property Information
Living Sq. Ft: 1,348
Ground Floor Sq. Ft: 1,300
# of Units: 1
# of Stories: 1
Parking & Garage Information
Parking Type: Basement Garage
Garage / Carport Type: Basement
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,276
Municipality Name: BELMONT
Acres: 0.19
Zoning Code: SC
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,348
Stories: 1.0
Lot Size: 8,276 square feet
Style: Single Family Residential
Year Built: 1971
Year Renovated: 1971
County: Middlesex County
APN: 1339714S
Home facts updated by county records on Jul 30, 2026
Around this home
Schools
Winn Brook School
Public K-3 • Assigned • 0.3mi
10/10
Belmont High School
Public 9-12 • Assigned • 0.6mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Belmont is a low-inventory, high-demand market driven both by restrictive zoning laws & proximity to Cambridge. New housing production is scarce, with demand for properties always exceeding supply. This will keep the market difficult for buyers and...