Middlesex County and Groton Town property record for 140 Main St, Groton, MA 01450
| Property Type | Office Building |
|---|---|
| Details | 4 bd · 2 ba · 3,694 sqft · built 1870 |
| Lot Size | 0.5 acres (21,780 sqft) |
| Owner | Company Name on File |
| Last Sale | $536,500 (Feb 2009) |
| Tax Bill | $14,079 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | GROT M:113 B:8 L |
| Primary APN | GROT M:113 B:8 L |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,694 sqft Total Area |
| Gross Area | 5,994 sqft |
| 1st Floor Area | 2,038 sqft |
| Attic | Attic |
| Attic Area | 1,150 sqft |
| Basement Area | 1,150 sqft |
| Unfinished Basement | 1,150 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1870 |
|---|---|
| Effective Year Built | Effective 1870 |
| Architectural Style | Historical |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 21,780 sqft (0.5 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 3060 |
|---|---|
| Street Address | 140 MAIN ST |
| City | GROTON |
| State | MA |
| Zip | 01450-1271 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | B1 |
| Legal Block | 8 |
| Jurisdiction | GROTON MA |
| Township / Civil Division | GROTON |
| Census Block Group | 1 |
| Census Block | 1021 |
| Census Tract | 326102 |
140 Main St, a commercial property, is owned by a company that bought it in February 2009.
Source: Middlesex County and Groton Town records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 140 MAIN ST, GROTON, MA 01450-1271 |
| 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 | Feb 12, 2009 · Amount on File |
| Deed Sale | Feb 12, 2009 · Amount on File |
| Deed Book / Page | 52226 / 489 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 140 Main St was $14,079, up 1.8% from the year before.
Source: Middlesex County and Groton Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Groton Town |
| Unified School District | Groton-Dunstable School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $14,079.00 (+1.79%) | $952,600 (+5.03%) Land $273,500 Building $679,100 |
| 2025 | $13,832.00 (+1.06%) | $907,000 (-) Land $260,500 Building $646,500 |
| 2024 | $13,687.00 (-3.51%) | $907,000 (-) Land $260,500 Building $646,500 |
| 2023 | $14,185.00 | $907,000 Land $260,500 Building $646,500 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 140 Main St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2001.
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 | 2 in force |
| Nearby Flood Claims | 1 (2001) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 2001 |
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 140 Main 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 | Direct burnable vegetation |
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 | GROTON WATER DEPARTMENT serves 5,017 people · EPA ID MA2115000 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2023 |
| Lead | 3 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 70 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
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