77 Powder Mill Rd, Acton — property record card
General Office Buildings built in 1946 on 2.73 acres in Acton, assessed at $1,626,900 for fiscal year 2026; last sold for $850,000 on September 1, 2011.
Rebuilt from the Acton assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Acton assessor’s office.
Parcel
| Location | 77 Powder Mill Rd, Acton MA 00000 |
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| Map and parcel ID | J3-50 J3_50 |
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| Use | General Office Buildings (use code 3400) |
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| Zoning | PM |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $926,400 |
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| Land | $667,000 |
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| Other | $33,500 |
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| Total assessed | $1,626,900 |
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Land
| Lot size | 2.73 acres (118,919 ft²) |
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Building
| Year built | 1946 |
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| Style | Office Bldg |
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| Living area | 16,863 ft² |
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| Stories | 1 |
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Last recorded sale
| Price | $850,000 |
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| Date | September 1, 2011 |
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| Deed | Registry of Deeds book 57386, page 0351 |
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What MassDEP has recorded
- RTN 2-0010754 — Norton Chemplast, tier classified (active), status TIER1D · MassDEP file
- RTN 2-0000533 — Norton Performance Plastics Corp, activity and use limitation, status RAO, class A3, AUL recorded March 26, 1999 · MassDEP file
Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 1 site with an Activity and Use Limitation. All MassDEP sites in Acton.
What this means
- An Activity and Use Limitation is a deed restriction: it limits how the land may be used (often no residential use or no digging) and passes to every buyer.
- A tier-classified site is a release still being cleaned up under the Massachusetts Contingency Plan; the MassDEP file shows the stage reached.
Point at the centre of the assessor parcel — not a survey.
Data: Acton assessor file for fiscal year 2026, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.

The report for 77 Powder Mill Rd
This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.
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