129 Commonwealth Ave, Concord, MA 01742 Property Records

Middlesex County and Concord Town property record for 129 Commonwealth Ave, Concord, MA 01742

Property Summary

Property TypeMixed Use Commercial Office / Residential
Details2 bd · 3 ba · 2,061 sqft · built 1900
Lot Size0.192 acres (8,375 sqft)
OwnerCompany Name on Record
Last Sale$1,100,000 (Jan 2025)
Tax Bill$8,125 (2023)
Flood ZoneZone X (minimal risk)
APNCONC M:9D B:2231

Property Details

APN / Parcel Number

Primary APNCONC M:9D B:2231
Alternative APNs
  • M:00009D B:02231-00000
  • 6372

Interior

Bedrooms2 Beds
Full Baths3 Baths
Units3 Units
Stories2 Stories
Building Area2,061 sqft Total Area
Gross Area2,938 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Architectural StyleCondo/Apartment
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area8,375 sqft (0.192 acres)
Garage TypeBasement

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelOil

Location & Zoning

Account Number6372
Street Address129 COMMONWEALTH AVE
CityCONCORD
StateMA
Zip01742-2010
Property CategoryCommercial
Property TypeCommercial > Office > Mixed Use Commercial Office / Residential
Local Zoning CodeL
Legal Block2231
JurisdictionCONCORD MA
Township / Civil DivisionCONCORD
Census Block Group4
Census Block4015
Census Tract361200

Owner

Source: Middlesex County and Concord Town records, as of April 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on Record
Mailing Address129 COMMONWEALTH AVE, CONCORD, MA 01742-2010
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 8, 2025 · Amount on Record
Deed SaleJan 8, 2025 · Amount on Record
Prior SaleJul 9, 2014 · Amount on Record
Deed Book / Page83661 / 585
Transfer Doc063884-567
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Middlesex County and Concord Town assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
County SubdivisionConcord Town
Elementary School DistrictConcord School District (PK - 08)
Secondary School DistrictConcord-Carlisle School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$688,700 (+1.25%) Land $445,500 Building $243,200$1,264,260
2024$680,200 (+8.5%) Land $445,500 Building $234,700
2023$8,125.00$626,900 Land $405,000 Building $221,900

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 10 policies
Nearby Flood Policies10 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCONCORD WATER DEPT
serves 18,788 people · EPA ID MA3067000
Water SourceSurface water
Last State InspectionAug 2024
Lead5 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityBromate
resolved · Jul 2022
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 282 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
Concord Light Broadband
Fiber
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20

May also be available: T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Commonwealth Ave

Nearby Streets

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