40 Appleton St is a 5,259 square foot house on a 0.25 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on June 30, 1978 for $180,000. Based on Redfin's Cambridge data, we estimate the home's value is $5,538,154.
Single-familyProperty Type
1894Year Built
0.25 acresLot Size
$1,053Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$5,538,154
$5.4M since sold in June 1978$67K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 40.6% higher than the average sale price ($3.94M) 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.
Permits
Aug 14, 2018 • Active
Building: alteration and addition
Replace a patio door in an existing opening. No structural changes or exterior modifications will be made.
Remodel
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Basement Information
Basement Sq. Ft: 1,916
Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 2
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 5
Has Fireplace
Room Information
# of Rooms: 16
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Colonial
Exterior Wall: Wood Siding/Shingle
Roof Shape Type: Hip
Property Information
Living Sq. Ft: 5,259
Gross Sq. Ft: 7,880
Ground Floor Sq. Ft: 1,944
# of Units: 1
# of Stories: 3
Parking & Garage Information
Parking Type: Covered
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,890
Municipality Name: CAMBRIDGE
Acres: 0.25
Zoning Code: A-1
State Use Description: 1-FAMILY RESIDENCE
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 5,259
Stories: 3.0
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1894
Year Renovated: —
County: Middlesex County
APN: 1948248S
Home facts updated by county records on Sep 11, 2026
Around this home
Schools
Maria L. Baldwin School
Public PreK-5 • Assigned • 0.9mi
9/10
Rindge Avenue Upper School
Public 6-8 • Assigned • 1.0mi
8/10
Cambridge Rindge and Latin School
Public 9-12 • Assigned • 1.1mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Despite new zoning laws encouraging housing production, Cambridge remains a Seller's market driven by pent-up demand and a constant influx of buyers. Because it is a historic, built-out city, there is little new housing to replace existing...
properties, & true supply growth is severely constrained.
The Cambridge market is quite resilient. New zoning regulations now allow MF homes on traditional SF lots, as the City aims to boost housing supply & improve affordability. The high demand is consistently driven by the area's world-class healthcare,...
education, tech sectors, and high quality of life.