66 Commonwealth Ave, Concord, MA 01742 Property Records

Middlesex County and Concord Town property record for 66 Commonwealth Ave, Concord, MA 01742

Property Summary

Property TypeOffice Building
Details1 bd · 2 ba · 5,140 sqft · built 1900
Lot Size0.394 acres (17,162 sqft)
OwnerCompany Name on File
Last Sale$500,000 (May 2009)
Tax Bill$97 (2025)
Flood ZoneZone X (minimal risk)
APNM:00009D B:02196-00001

Property Details

APN / Parcel Number

Primary APNM:00009D B:02196-00001
Alternative APNs
  • CONC M:9D B:2196 L:1
  • 6359

Interior

Bedrooms1 Bed
Full Baths2 Baths
Units12 Units
Stories3 Stories
Building Area5,140 sqft Total Area
Gross Area6,540 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area17,162 sqft (0.394 acres)
Garage TypeBasement

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelElectric

Location & Zoning

Account Number6359
Street Address66 COMMONWEALTH AVE
CityCONCORD
StateMA
Zip01742-2974
Property CategoryCommercial
Property TypeCommercial > Office > Office Building
Local Zoning CodeWCI
Legal Block2196
Legal Lot Number1
JurisdictionCONCORD MA
Township / Civil DivisionCONCORD
Census Block Group4
Census Block4006
Census Tract361200

Owner

Source: Middlesex County and Concord Town assessment roll, 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 File
Mailing Address585 MASSACHUSETTS AVE, ACTON, MA 01720-2949
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMay 14, 2009 · Amount on Record
Deed SaleMay 14, 2009 · Amount on Record
Deed Document Number200985651
Deed Book / Page52773 / 303
Record UpdatedJun 8, 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 Value
2025$97.00 (-98.99%)$787,700 (+0.61%) Land $512,600 Building $275,100
2024$9,583.00$782,900 Land $512,600 Building $270,300

Assessed value is set for property tax purposes and is not a market price estimate.

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 RiskLow
lower than 99.1% of the US · lower than 98.7% of Massachusetts
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

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
Town of Concord, Massachusetts
Fiber
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20

May also be available: T-Mobile USA.

Nearby Properties on Commonwealth Ave

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