343 Congress St, Boston — property record card
OFFICE: CLASS B+ built in 1915 on 0.78 acres in Boston, assessed at $53,603,600 for fiscal year 2023; last sold for $63,500,000 on December 30, 2015.
Rebuilt from the Boston assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Boston assessor’s office.
Parcel
| Location | 343 Congress St, Boston MA 02210 |
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| Map and parcel ID | 0602694000 |
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| Use | OFFICE: CLASS B+ (use code 346) |
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| County | Suffolk |
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Valuation — fiscal year 2023
| Building | $37,667,900 |
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| Land | $15,935,700 |
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| Total assessed | $53,603,600 |
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Land
| Lot size | 0.78 acres (33,977 ft²) |
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Building
| Year built | 1915 |
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| Style | OFFICE CLS B+ |
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| Living area | 128,150 ft² |
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| Stories | 5 |
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Last recorded sale
| Price | $63,500,000 |
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| Date | December 30, 2015 |
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| Deed | Registry of Deeds book 85171, page 8RL |
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What MassDEP has recorded
- RTN 3-0003826 — New England Telephone, activity and use limitation, status RAO, class A3, AUL recorded July 20, 2001 · MassDEP file
Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 8 sites with an Activity and Use Limitation. All MassDEP sites in Boston.
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: Boston assessor file for fiscal year 2023, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.
The report for 343 Congress 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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