18 Decatur St is a 1,363 square foot condo with 3 bedrooms and 2.5 bathrooms. - it last sold on February 10, 2006 for $670,000. Based on Redfin's Cambridge data, we estimate the home's value is $1,604,528.
CondoProperty Type
2004Year Built
$1,177Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,604,528
$935K since sold in February 2006$38K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3% higher than the average sale price ($1.56M) 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: 248
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Very Good
Building Style Type: Townhouse
Property Information
Living Sq. Ft: 1,363
Gross Sq. Ft: 1,915
Ground Floor Sq. Ft: 1,363
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 27,932
Municipality Name: CAMBRIDGE
Acres: 0.6412
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,363
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 2004
Year Renovated: —
County: Middlesex County
APN: 1029636S
Home facts updated by county records on Sep 10, 2026
Around this home
Schools
The Amigos School
Public PreK-8 • Assigned • 0.2mi
9/10
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.