18 Decatur St is a 1,363 square foot condo with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Cambridge data, we estimate the home's value is $1,757,161.
CondoProperty Type
2004Year Built
$1,289Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,757,161
$21K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 12.8% higher than the average sale price ($1.56M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$10,393 (+10.6%)
$1,636,700
2024
$9,393 (+7.7%)
$1,586,700
2023
$8,723 (+2.7%)
$1,488,600
2022
$8,493 (+3.9%)
$1,434,700
2021
$8,171 (+7.1%)
$1,396,700
2020
$7,630 (+4.1%)
$1,326,900
2019
$7,328 (+3.1%)
$1,233,700
2018
$7,106 (+3.2%)
$1,129,800
2017
$6,888 (+5.0%)
$1,061,400
2016
$6,558 (+0.6%)
$938,200
2015
$6,520 (+1.0%)
$833,700
2014
$6,454 (+5.1%)
$770,200
2013
$6,139 (+5.2%)
$708,900
2012
$5,835 (+4.4%)
$688,100
2011
$5,588
$684,800
2010
$5,588 (+7.9%)
$684,800
2009
$5,177
$684,800
Tax history for 18 Decatur St
Year
Property tax
Land + Additions
Assessment*
2025
$10,393 (+10.6%)
$1,636,700
2024
$9,393 (+7.7%)
$1,586,700
2023
$8,723 (+2.7%)
$1,488,600
2022
$8,493 (+3.9%)
$1,434,700
2021
$8,171 (+7.1%)
$1,396,700
2020
$7,630 (+4.1%)
$1,326,900
2019
$7,328 (+3.1%)
$1,233,700
2018
$7,106 (+3.2%)
$1,129,800
2017
$6,888 (+5.0%)
$1,061,400
2016
$6,558 (+0.6%)
$938,200
2015
$6,520 (+1.0%)
$833,700
2014
$6,454 (+5.1%)
$770,200
2013
$6,139 (+5.2%)
$708,900
2012
$5,835 (+4.4%)
$688,100
2011
$5,588
$684,800
2010
$5,588 (+7.9%)
$684,800
2009
$5,177
$684,800
*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
Municipality Name: CAMBRIDGE
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: 4593673
Home facts updated by county records on Jul 16, 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.