Middlesex County and Acton Town property record for 51 Willow St, Acton, MA 01720 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,948 sqft · built 1965 |
| Lot Size | 0.462 acres (20,133 sqft) |
| Owner | Individual Name on File |
| Last Sale | $169,200 (Aug 2000) |
| Tax Bill | $11,249 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | ACTO M:00F2B B:0080 L:0000 |
| Primary APN | ACTO M:00F2B B:0080 L:0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,948 sqft Living Area |
| Gross Area | 3,884 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 20,133 sqft (0.462 acres) |
| Pool Type | In-Ground Pool |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Electric |
| Street Address | 51 WILLOW ST |
|---|---|
| City | ACTON |
| State | MA |
| Zip | 01720-2814 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 80 |
| Jurisdiction | ACTON MA |
| Township / Civil Division | ACTON |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 363201 |
Source: Middlesex County and Acton Town records · APN ACTO M:00F2B B:0080 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 | PO BOX 546, ACTON, MA 01720-0546 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 14, 2000 · Amount on Record |
| Deed Sale | Aug 14, 2000 · 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 | $11,249.00 (+5.78%) | $655,900 (+2.82%) Land $272,800 Building $383,100 | $763,135 (+7.34%) |
| 2024 | $10,634.00 (+2.56%) | $637,900 (+8.03%) Land $272,800 Building $365,100 | $710,980 |
| 2023 | $10,369.00 | $590,500 Land $247,800 Building $342,700 |
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 |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Cost | Premium on Record median of 2 individual NFIP policies nearby |
| Nearby Flood Policies | 2 in force 2 of 2 on primary residences |
| Nearby Flood Claims | 2 (1979–1982) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Jun 1982, rainfall accumulation |
| Wildfire Risk | Low above 20% of the US · above 58% of Massachusetts |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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.
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