Middlesex County and Ashby Town property record for 531 Mason Rd, Ashby, MA 01431
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,976 sqft · built 1980 |
| Lot Size | 57.2 acres (2,495,552 sqft) |
| Owner | Individual Name on File |
| Last Sale | $16,000 (Oct 2006) |
| Tax Bill | $2,014 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | ASHB M:003.0 B:0050 L:0000.0 |
| Primary APN | ASHB M:003.0 B:0050 L:0000.0 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,976 sqft Living Area |
| Gross Area | 3,576 sqft |
| 1st Floor Area | 1,776 sqft |
| Basement Area | 1,776 sqft |
| Unfinished Basement | 1,200 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Stone |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 2,495,552 sqft (57.2 acres) |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Street Address | 531 MASON RD |
|---|---|
| City | ASHBY |
| State | MA |
| Zip | 01431-1844 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RA |
| Legal Block | 50 |
| Jurisdiction | ASHBY MA |
| Township / Civil Division | ASHBY |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 300100 |
531 Mason Rd is owned and occupied by an individual who acquired it in May 2019.
Source: Middlesex County and Ashby Town records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 531 MASON RD, ASHBY, MA 01431-1844 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 13, 2006 · Amount on File |
| Deed Sale | Oct 13, 2006 · Amount on File |
| Prior Sale | Mar 6, 1996 · Amount on File |
| Deed Document Number | 2006195697 |
| Deed Book / Page | 48316 / 332 |
| Last Transfer Date | May 15, 2019 |
| Transfer Doc | 72638-502 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 531 Mason Rd was $2,014, up 3.4% from the year before.
Source: Middlesex County and Ashby Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Ashby Town |
| Unified School District | North Middlesex School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,014.00 (+3.39%) | $127,800 (-0.08%) Land $108,800 Building $19,000 | $209,095 (-81%) |
| 2025 | $1,948.00 (-75.15%) | $127,900 (-74.66%) Land $108,800 Building $19,100 | $1,100,290 (+2.46%) |
| 2024 | $7,838.00 (+4.73%) | $504,700 (+10.73%) Land $106,400 Building $398,300 | $1,073,880 |
| 2023 | $7,484.00 | $455,800 Land $101,600 Building $354,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 531 Mason Rd 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
| 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 |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 531 Mason Rd 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: FCC Broadband Data Collection, based on 4 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
5G (outdoors only) and 4G LTE
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