Middlesex County and Dunstable Town property record for 485 Main St, Dunstable, MA 01827
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 4 bd · 3 ba · 3,296 sqft · built 1786 |
| Lot Size | 1.21 acres (52,708 sqft) |
| Owner | Company Name on File |
| Tax Bill | $8,029 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | DUNS M:0017 B:0132 L:0 |
| Primary APN | DUNS M:0017 B:0132 L:0 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Units | 5 Units |
| Stories | 2 Stories |
| Building Area | 3,296 sqft Total Area |
| Gross Area | 5,904 sqft |
| 1st Floor Area | 1,064 sqft |
| Basement Area | 1,064 sqft |
| Unfinished Basement | 1,064 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1786 |
|---|---|
| Effective Year Built | Effective 1786 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 52,708 sqft (1.21 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Street Address | 485 MAIN ST |
|---|---|
| City | DUNSTABLE |
| State | MA |
| Zip | 01827-1814 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | R1 |
| Legal Block | 132 |
| Jurisdiction | DUNSTABLE MA |
| Township / Civil Division | DUNSTABLE |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 328100 |
Source: Middlesex County and Dunstable Town records · APN DUNS M:0017 B:0132 L:0
Assessment roll updated April 14, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 485 MAIN ST, DUNSTABLE, MA 01827-1814 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Feb 27, 2025 |
| Transfer Doc | 0039107-79 |
| Record Updated | Sep 20, 2026 |
Source: Middlesex County and Dunstable Town records · Assessment roll updated April 14, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Dunstable Town |
| Unified School District | Groton-Dunstable School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,029.00 (+4.59%) | $583,900 (+6.18%) Land $213,900 Building $370,000 | $1,311,000 (+76.67%) |
| 2024 | $7,677.00 (-1.07%) | $549,900 (+6.08%) Land $197,200 Building $352,700 | $742,045 |
| 2023 | $7,760.00 | $518,400 Land $197,200 Building $321,200 |
Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), as of September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173281002, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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.
Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026
| Historic District | Within the Dunstable Center Historic District listed 2018 · 63 contributing resources · NRIS 100003069 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
Based on FCC filings for 64 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system MA2081000, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | DUNSTABLE WATER DEPARTMENT serves 337 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2023 |
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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