21 Commonweath Ave Dedham — Photo 1 of 17
Recent Drop: $10,000
$729,000
21 Commonweath Ave, Dedham, MA 02026
Dedham, MA 02026
Beds
3
Baths
2.5
SqFt
1,344
Style
Single Family
Built
1920
This Charming 3 Bedroom Colonial with 2.5 baths large rooms high ceilings oversized living room with a fireplace that overlooks dining room and the spacious updated eat in kitchen. Large basement that features laundry hookup and partially finished area with walk out to back yard located close to all major routes and commuter rail Easy to show This one wont last .
Key facts
It was listed on September 16, 2026. The price has come down from an original $749,000 to $729,000 across 2 changes, most recently on September 29, 2026. The annual property taxes are $8,589 (2026 tax year). It sits on a 0.23-acre (9,852 sq ft) lot.
Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Dedham, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater
Neighborhood
Public Transportation • Shopping • Park • Walk/Jog Trails • Golf • Highway Access
Geography
Property History
$729,000
Was $739,000
Sep 29, 2026
MLS® 73578256
$739,000
Was $749,000
Sep 27, 2026
MLS® 73578256
$749,000
Sep 16, 2026
MLS® 73578256
Questions about this home
When was 21 Commonweath Ave, Dedham listed?
21 Commonweath Ave, Dedham was listed on September 16, 2026.
Has the price of 21 Commonweath Ave, Dedham changed?
The price has come down from an original $749,000 to $729,000 across 2 changes, most recently on September 29, 2026.
What are the property taxes for 21 Commonweath Ave, Dedham?
The annual property taxes for 21 Commonweath Ave, Dedham are $8,589 (2026 tax year).
How big is the lot at 21 Commonweath Ave, Dedham?
21 Commonweath Ave, Dedham sits on a 0.23-acre (9,852 sq ft) lot.
What is the status of 21 Commonweath Ave, Dedham?
21 Commonweath Ave, Dedham is actively listed for sale.
Population
25,237
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$129K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
26.6%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Norfolk County
1,524 housing units permitted in the last 12 months (+52% vs the prior 12 months) — 1,030 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '26)
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 672 sq ft (the lesser of 900 sq ft or half the 1,344 sq ft principal dwelling). Lot size: 9,852 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: Regina Gabriel
Listing Office: Coldwell Banker Realty - Easton
MLS® Number: 73578256
