Middlesex County and Concord Town property record for 431 Commonwealth Ave, Concord, MA 01742
| Property Type | State Owned (Exempt) |
|---|---|
| Details | 5 bd · 2 ba · 7,150 sqft · built 1884 |
| Lot Size | 18 acres (788,173 sqft) |
| Owner | Company Name on File |
| Deeds & Mortgages | Nov 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | CONC M:8D B:2014 |
| Primary APN | CONC M:8D B:2014 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 7,150 sqft Garage |
| Basement Area | 1,974 sqft |
| Unfinished Basement | 1,974 sqft |
| Year Built | Built 1884 |
|---|---|
| Effective Year Built | Effective 1884 |
| Architectural Style | Duplex Single |
| Lot Area | 788,173 sqft (18 acres) |
| Total Buildings | 7 Buildings |
| Account Number | 1385 |
|---|---|
| Street Address | 431 COMMONWEALTH AVE |
| City | CONCORD |
| State | MA |
| Zip | 01742-2049 |
| Property Category | Public Works |
| Property Type | Public Works > State Owned (Exempt) |
| Local Zoning Code | B |
| Legal Block | 2014 |
| Jurisdiction | CONCORD MA |
| Township / Civil Division | CONCORD |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 361200 |
431 Commonwealth Ave, a public works property, is owned by a company.
Source: Middlesex County and Concord Town records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 965 ELM ST, CONCORD, MA 01742-2119 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONCORD MA |
| Recording Date | Nov 10, 2017 |
| Property Address | 407-409 COMMONWEALTH AVE, CONCORD, MA 01742 |
| Document Number | 70218-305 |
| Book / Page | 070218 / 000305 |
| Instrument Date | Oct 20, 2017 |
| Instrument | 183630 |
| Transaction Type | Transfer |
| Record Updated | Dec 4, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 22 MONUMENT SQ CONCORD MA 017421826, CONCORD, MA 01742-1826 |
Source: Middlesex County and Concord Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Concord Town |
| Elementary School District | Concord School District (PK - 08) |
| Secondary School District | Concord-Carlisle School District (09 - 12) |
| Year | Assessed Value |
|---|---|
| 2026 | $6,032,500 (+6.23%) Land $3,985,800 Building $2,046,700 |
| 2025 | $5,678,900 (+0.09%) Land $3,795,500 Building $1,883,400 |
| 2024 | $5,674,000 Land $3,795,500 Building $1,878,500 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 431 Commonwealth Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 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 risk around 431 Commonwealth Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.7% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONCORD WATER DEPT serves 18,788 people · EPA ID MA3067000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2024 |
| Lead | 5 ppb (2024–2026) action level 15 ppb |
| Water Quality | Bromate resolved · Jul 2022 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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.
Source: FCC Broadband Data Collection, based on 31 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Concord Light Broadband.
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