65 Grove St, Watertown — property record card
IMPUTED - Research and Development facilities built in 1945 on 3.40 acres in Watertown, assessed at $75,648,300 for fiscal year 2026; last sold for $62,500,000 on November 15, 2018.
Rebuilt from the Watertown assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Watertown assessor’s office.
Parcel
| Location | 65 Grove St |
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| Map and parcel ID | 1501 23 0 |
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| Use | IMPUTED - Research and Development facilities (use code 404C) |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $56,948,000 |
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| Land | $18,357,700 |
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| Other | $342,600 |
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| Total assessed | $75,648,300 |
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Land
| Lot size | 3.40 acres (148,104 ft²) |
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Building
| Year built | 1945 |
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| Style | Research/Devel |
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| Living area | 115,464 ft² |
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| Stories | 3 |
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Last recorded sale
| Price | $62,500,000 |
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| Date | November 15, 2018 |
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| Deed | Registry of Deeds book 71888, page 137 |
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What MassDEP has recorded
- RTN 3-0029027 — Grove Street Manufacturing, activity and use limitation, status RAO, class A3, AUL recorded December 21, 2012 · MassDEP file
Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 2 sites with an Activity and Use Limitation. All MassDEP sites in Watertown.
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.
Point at the centre of the assessor parcel — not a survey.
Data: Watertown 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 65 Grove St
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.
$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)
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