1 Webster Av, Chelsea — property record card
APT OVER 8 MDL-94 built in 2011 on 1.68 acres in Chelsea, assessed at $42,056,100 for fiscal year 2026; last sold for $22,350,000 on June 30, 2014.
Rebuilt from the Chelsea assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Chelsea assessor’s office.
Parcel
| Location | 1 Webster Av, Chelsea MA 02150 |
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| Map and parcel ID | 59-61 |
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| Use | APT OVER 8 MDL-94 (use code 112C) |
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| Zoning | R2 |
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| County | Suffolk |
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Valuation — fiscal year 2026
| Building | $36,137,700 |
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| Land | $5,400,000 |
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| Other | $518,400 |
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| Total assessed | $42,056,100 |
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Land
| Lot size | 1.68 acres (73,185 ft²) |
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Building
| Year built | 2011 |
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| Style | APT-9+ |
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| Living area | 117,516 ft² |
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| Stories | 5 |
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Last recorded sale
| Price | $22,350,000 |
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| Date | June 30, 2014 |
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| Deed | Registry of Deeds book 53157, page 0275 |
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What MassDEP has recorded
- RTN 3-0029426 — No Location Aid, activity and use limitation, status RAO, class A3, AUL recorded August 25, 2011 · MassDEP file
Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 11 sites with an Activity and Use Limitation. All MassDEP sites in Chelsea.
What this means
- Assessed 940% above the median apt over 8 mdl-94 in Chelsea ($4,045,200, 95 parcels).
- 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: Chelsea 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 1 Webster Av
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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