Middlesex County and Acton Town property record for 138 Prospect St, Acton, MA 01720 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 4,703 sqft · built 1735 |
| Lot Size | 0.949 acres (41,358 sqft) |
| Owner | Individual Name on File |
| Last Sale | $960,000 (Apr 2022) |
| Tax Bill | $15,986 (2025) |
| Deeds & Mortgages | Apr 2022 Sale & Mortgage Jun 2017 Line of Credit + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | ACTO M:00F2 B:0127 L:0000 |
| Primary APN | ACTO M:00F2 B:0127 L:0000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 4,703 sqft Living Area |
| Gross Area | 6,768 sqft |
| Year Built | Built 1735 |
|---|---|
| Effective Year Built | Effective 1735 |
| Architectural Style | Historical |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 41,358 sqft (0.949 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Street Address | 138 PROSPECT ST |
|---|---|
| City | ACTON |
| State | MA |
| Zip | 01720-3628 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 127 |
| Jurisdiction | ACTON MA |
| Township / Civil Division | ACTON |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 363202 |
Source: Middlesex County and Acton Town records · APN ACTO M:00F2 B:0127 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 | 138 PROSPECT ST, ACTON, MA 01720-3628 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Apr 14, 2022 | Quit Claim Deed, Transfer · Stand-Alone First Mortgage MIDDLESEX SAVINGS BANK |
| Jun 22, 2017 | Deed of Trust, Mortgage · Line of Credit MIDDLESEX SAVINGS BANK |
| Aug 20, 2018 | Deed of Trust, Mortgage · ARM MIDDLESEX SAVINGS BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 14, 2022 · Amount on Record |
| Deed Sale | Apr 14, 2022 · Amount on Record |
| Prior Sale | May 31, 1996 · Amount on Record |
| Deed Document Number | 202255919 |
| Deed Book / Page | 79976 / 183 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ACTON MA |
| Recording Date | Apr 14, 2022 |
| Property Address | 138 PROSPECT ST, ACTON, MA 01720-3628 |
| Document Number | 079976-183 |
| Book / Page | 79976 / 183 |
| Instrument Date | Apr 14, 2022 |
| Instrument | 55919 |
| Transaction Type | Transfer |
| Record Updated | Apr 29, 2022 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 138 PROSPECT ST, ACTON, MA 01720-3628 |
| Document Number | 0000055920 |
|---|---|
| Date | Apr 14, 2022 |
| Instrument | 55920 |
| Name | MIDDLESEX SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.5% |
| Type Change Date | May 01, 2027 |
| Max Rate At Change | 2.75% |
| Index | 3-Year CMT |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ACTON MA |
| Property Address | 138 PROSPECT ST, ACTON, MA 01720-3628 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 69474-560 |
|---|---|
| Date | Jun 22, 2017 |
| Book Page | 69474/560 |
| Instrument | 94719 |
| Name | MIDDLESEX SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Jun 01, 2037 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ACTON MA |
| Property Address | 138 PROSPECT ST, ACTON, MA 01720-3628 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|
| Document Number | 71495-423 |
|---|---|
| Date | Aug 20, 2018 |
| Book Page | 71495/423 |
| Instrument | 127129 |
| Name | MIDDLESEX SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 01, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.75% |
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 | $15,986.00 (+2.88%) | $932,100 (-) Land $287,400 Building $644,700 | $1,152,350 (+3.04%) |
| 2024 | $15,538.00 (+0.79%) | $932,100 (+6.17%) Land $287,400 Building $644,700 | $1,118,340 |
| 2023 | $15,416.00 | $877,900 Land $261,400 Building $616,500 |
Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 250173632022, 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 |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 3 (1991–2001) |
| Most Recent Claim | Jun 2001, rainfall accumulation |
| Wildfire Risk | Low above 5% of the US · above 11% of Massachusetts |
|---|---|
| Wildfire Likelihood | Less than 1 in 10,000 per year |
| 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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 155 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fiber | 980 / 880 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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