Middlesex County and Acton Town property record for 33 Windsor Ave, Acton, MA 01720
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,139 sqft · built 1860 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $300,000 (Jan 1998) |
| Tax Bill | $10,108 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | ACTO M:00F2B B:0021 L:0000 |
| Primary APN | ACTO M:00F2B B:0021 L:0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,139 sqft Living Area |
| Gross Area | 4,103 sqft |
| Year Built | Built 1860 |
|---|---|
| Effective Year Built | Effective 1860 |
| Architectural Style | Historical |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,000 sqft (0.138 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Street Address | 33 WINDSOR AVE |
|---|---|
| City | ACTON |
| State | MA |
| Zip | 01720-2811 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | VR |
| Legal Block | 21 |
| Jurisdiction | ACTON MA |
| Township / Civil Division | ACTON |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 363201 |
Source: Middlesex County and Acton Town records · APN ACTO M:00F2B B:0021 L:0000
Assessment roll updated April 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 33 WINDSOR AVE, ACTON, MA 01720-2811 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 23, 1998 · Amount on Record |
| Deed Sale | Jan 23, 1998 · Amount on Record |
| Prior Sale | Jul 15, 1994 · Amount on Record |
| Record Updated | Sep 20, 2026 |
Source: Middlesex County and Acton Town records · Assessment roll updated April 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Acton Town |
| Unified School District | Acton-Boxborough Regional 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 | $10,108.00 (+2.88%) | $589,400 (-) Land $297,200 Building $292,200 | $897,465 (-7.26%) |
| 2024 | $9,825.00 (+1.41%) | $589,400 (+6.83%) Land $297,200 Building $292,200 | $967,670 |
| 2023 | $9,688.00 | $551,700 Land $270,300 Building $281,400 |
Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173632011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 2 (1979–1982) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jun 1982 · rainfall accumulation |
| Wildfire Risk | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 226 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | ACTON WATER SUPPLY DISTRICT serves 21,285 people |
|---|---|
| Water Source | Groundwater influenced by surface water |
| Last State Inspection | Oct 2024 |
| Lead | 4 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 22 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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