Middlesex County and Concord Town property record for 57 Byron St, Concord, MA 01742
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,817 sqft · built 1876 |
| Lot Size | 0.268 acres (11,672 sqft) |
| Owner | Company Name on File |
| Last Sale | $925,000 (Nov 2015) |
| Tax Bill | $13,698 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | CONC M:9G B:624 |
| Primary APN | CONC M:9G B:624 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,817 sqft Living Area |
| Gross Area | 6,110 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1876 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 11,672 sqft (0.268 acres) |
| Garage Type | Basement |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 2779 |
|---|---|
| Street Address | 57 BYRON ST |
| City | CONCORD |
| State | MA |
| Zip | 01742 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | C |
| Legal Block | 624 |
| Jurisdiction | CONCORD MA |
| Township / Civil Division | CONCORD |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 361100 |
57 Byron St, a duplex, is owned by a company that bought it in November 2015.
Source: Middlesex County and Concord Town records, as of April 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 144 SUDBURY RD, CONCORD, MA 01742-2455 |
| Owner Type | Company |
| Vesting | 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 |
|---|---|
| Last Sale | Nov 6, 2015 · Amount on File |
| Deed Sale | Nov 6, 2015 · Amount on File |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 57 Byron St was $13,698, up 3.1% from the year before.
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 | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $13,698.00 (+3.09%) | $1,033,000 (+2.08%) Land $551,100 Building $481,900 |
| 2024 | $13,288.00 (+6.6%) | $1,012,000 (+5.22%) Land $551,100 Building $460,900 |
| 2023 | $12,465.00 | $961,800 Land $500,900 Building $460,900 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 57 Byron St in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1978.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 5 (1978–2010) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
| Claims by Event |
|
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 57 Byron St is low, with 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 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 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 289 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Concord Light Broadband Fiber | 1,000 / 1,000 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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