Middlesex County and Acton Town property record for 526 Main St, Acton, MA 01720
| Property Type | Office Building |
|---|---|
| Details | 2 ba · 33,022 sqft · built 1978 |
| Lot Size | 4.63 acres (201,683 sqft) |
| Owner | Company Name on Record |
| Last Sale | $4,111,500 (Jun 2008) |
| Tax Bill | $51,347 (2025) |
| Deeds & Mortgages | Aug 2022 Refinance Apr 2021 Refinance + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | ACTO M:00E4 B:0046 L:0000 |
| Primary APN | ACTO M:00E4 B:0046 L:0000 |
|---|
| Full Baths | 2 Baths |
|---|---|
| Units | 8 Units |
| Stories | 3 Stories |
| Building Area | 33,022 sqft Total Area |
| Gross Area | 35,634 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | High Rise |
| Exterior Material | Metal |
| Construction Type | Steel Frame |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 201,683 sqft (4.63 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 526 MAIN ST |
|---|---|
| City | ACTON |
| State | MA |
| Zip | 01720-3301 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | LI1 |
| Legal Block | 46 |
| Jurisdiction | ACTON MA |
| Township / Civil Division | ACTON |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 363103 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Listed Area | Within Davis, Isaac, Trail listed 1972 · 1 contributing resources · NRIS 72001347 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Middlesex County and Acton Town records, as of April 14, 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 Record |
|---|---|
| Mailing Address | 526 MAIN ST, ACTON, MA 01720-3301 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Aug 3, 2022 | Deed of Trust, Mortgage · Stand-Alone Refinance ENTERPRISE BANK & TRUST CO |
| Apr 28, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance ENTERPRISE BANK & TRUST CO |
| Apr 28, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance ENTERPRISE BANK & TRUST CO |
| Feb 12, 2019 | Deed of Trust, Mortgage · Stand-Alone Refinance TD BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 3, 2008 · Amount on Record |
| Deed Sale | Jun 3, 2008 · Amount on Record |
| Deed Document Number | 200891146 |
| Deed Book / Page | 51260 / 537 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ACTON MA |
| Property Address | 526 MAIN ST, ACTON, MA 01720-3301 |
| Transaction Type | Mortgage |
| Record Updated | Aug 19, 2022 |
| Name | Verified Name |
|---|
| Document Number | 080532-123 |
|---|---|
| Date | Aug 3, 2022 |
| Book Page | 80532/123 |
| Instrument | 119118 |
| Name | ENTERPRISE BANK & TRUST CO |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ACTON MA |
| Property Address | 526 MAIN ST, ACTON, MA 01720-3301 |
| Transaction Type | Mortgage |
| Record Updated | May 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 77634-540 |
|---|---|
| Date | Apr 28, 2021 |
| Book Page | 77634/540 |
| Instrument | 96228 |
| Name | ENTERPRISE BANK & TRUST CO |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ACTON MA |
| Property Address | 526 MAIN ST, ACTON, MA 01720-3301 |
| Transaction Type | Mortgage |
| Record Updated | May 14, 2021 |
| Name | Verified Name |
|---|
| Document Number | 77634-518 |
|---|---|
| Date | Apr 28, 2021 |
| Book Page | 77634/518 |
| Instrument | 96226 |
| Name | ENTERPRISE BANK & TRUST CO |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ACTON MA |
| Property Address | 526 MAIN ST, ACTON, MA 01720-3301 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 72224-111 |
|---|---|
| Date | Feb 12, 2019 |
| Book Page | 72224/111 |
| Instrument | 18291 |
| Name | TD BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
Source: Middlesex County and Acton Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Acton Town |
| Unified School District | Acton-Boxborough Regional School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $51,347.00 (+4.11%) | $2,994,000 (+1.2%) Land $1,874,800 Building $1,119,200 |
| 2024 | $49,320.00 (+1.55%) | $2,958,600 (+6.97%) Land $1,874,800 Building $1,083,800 |
| 2023 | $48,567.00 | $2,765,800 Land $1,705,600 Building $1,060,200 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 2 (1979–2010) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
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: 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | ACTON WATER SUPPLY DISTRICT serves 21,285 people · EPA ID MA2002000 |
|---|---|
| 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 83 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fiber | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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