Middlesex County and Ayer Town property record for 139 Barnum Rd, Devens, MA 01434
| Property Type | General Industrial |
|---|---|
| Details | 78,808 sqft |
| Lot Size | 6.38 acres (277,913 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $162,459 (2024) |
| Flood Zone | Zone AE (high risk) |
| APN | 3520210001604000 |
| Primary APN | 3520210001604000 |
|---|---|
| Alternative APN |
|
| Building Area | 78,808 sqft Gross Area |
|---|
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2009 |
| Exterior Material | Brick |
| Lot Area | 277,913 sqft (6.38 acres) |
| Total Buildings | 2 Buildings |
| Account Number | 3520210001604000 |
|---|---|
| Street Address | 139 BARNUM RD |
| City | DEVENS |
| State | MA |
| Zip | 01434-3509 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Local Zoning Code | I |
| Legal Block | 16 |
| Legal Lot Number | 400.0 |
| Jurisdiction | DEVENS MA |
| Township / Civil Division | AYER |
| Census Block Group | 4 |
| Census Block | 4021 |
| Census Tract | 325102 |
Source: Middlesex County and Ayer Town records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 135 BARNUM RD, DEVENS, MA 01434-3509 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Middlesex County and Ayer Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Ayer Town |
| Unified School District | Ayer-Shirley School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $10,001,300 (+7.36%) Land $643,400 Building $9,357,900 | |
| 2024 | $162,459.00 (-6.08%) | $9,315,300 (+5.73%) Land $607,200 Building $8,708,100 |
| 2023 | $8,810,700 Land $578,400 Building $8,232,300 | |
| 2022 | $172,980.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 83% 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 | AYER DPW WATER DIVISION serves 8,479 people · EPA ID MA2019000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | 1 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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.
Source: FCC Broadband Data Collection, based on 157 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 |
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