204 Arsenal St, Watertown — property record card
Mixed Use (Primarily Residential, some Commercial) built in 2015 on 6.15 acres in Watertown, assessed at $122,667,800 for fiscal year 2026; last sold for $20,566,000 on November 4, 2014.
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 | 204 Arsenal St |
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| Map and parcel ID | 1037 1 0 |
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| Use | Mixed Use (Primarily Residential, some Commercial) (use code 0130) |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $95,196,800 |
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| Land | $26,934,600 |
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| Other | $536,400 |
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| Total assessed | $122,667,800 |
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Land
| Lot size | 6.15 acres (267,685 ft²) |
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Building
| Year built | 2015 |
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| Style | Apartments |
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| Living area | 336,518 ft² |
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| Rooms | 992 |
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| Stories | 4 |
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Last recorded sale
| Price | $20,566,000 |
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| Date | November 4, 2014 |
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| Deed | Registry of Deeds book 1462, page 93 |
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What MassDEP has recorded
- RTN 3-0027051 — No Location Aid, activity and use limitation, status RTNCLOSED, AUL recorded January 9, 2008 · MassDEP file
- RTN 3-0021937 — No Location Aid, activity and use limitation, status PSC, class A3, AUL recorded November 21, 2016 · MassDEP file
Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 7 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 204 Arsenal 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)
Order the report