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 $1,646,156.
CondoProperty Type
2004Year Built
$1,208Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,646,156
$18K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.6% 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.