100 Heard St, Chelsea — property record card
APT OVER 8 MDL-94 built in 2014 on 2.69 acres in Chelsea, assessed at $76,623,500 for fiscal year 2026; last sold for $3,800,000 on December 14, 2012.
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 | 100 Heard St, Chelsea MA 02150 |
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| Map and parcel ID | 56-5A |
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| Use | APT OVER 8 MDL-94 (use code 112C) |
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| County | Suffolk |
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Valuation — fiscal year 2026
| Building | $65,192,200 |
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| Land | $10,350,000 |
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| Other | $1,081,300 |
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| Total assessed | $76,623,500 |
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Land
| Lot size | 2.69 acres (117,390 ft²) |
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Building
| Year built | 2014 |
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| Style | APT-9+ |
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| Living area | 191,523 ft² |
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| Stories | 5 |
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Last recorded sale
| Price | $3,800,000 |
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| Date | December 14, 2012 |
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| Deed | Registry of Deeds book 50652, page 0033 |
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What MassDEP has recorded
- RTN 3-0031258 — One North Of Boston Llc, activity and use limitation, status PSC, class PA, AUL recorded August 22, 2014 · MassDEP file
Within about 500 m (a third of a mile): 5 active tier-classified 21E sites and 18 sites with an Activity and Use Limitation. All MassDEP sites in Chelsea.
What this means
- Assessed 1794% 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 100 Heard 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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