20 Third Ave, Somerville — property record card
Transportation Authority built in 2021 on 4.61 acres in Somerville, assessed at $25,179,400 for fiscal year 2025; last sold for $14,300,000 on April 3, 2014.
Rebuilt from the Somerville assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Somerville assessor’s office.
Parcel
| Location | 20 Third Ave |
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| Map and parcel ID | 116_A_4 |
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| Use | Transportation Authority (use code 9720) |
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| Zoning | CI |
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| County | Middlesex |
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Valuation — fiscal year 2025
| Building | $16,635,300 |
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| Land | $8,187,600 |
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| Other | $356,500 |
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| Total assessed | $25,179,400 |
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Land
| Lot size | 4.61 acres (200,973 ft²) |
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Building
| Year built | 2021 |
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| Style | Other Municip |
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| Living area | 75,000 ft² |
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| Stories | 1 |
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Last recorded sale
| Price | $14,300,000 |
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| Date | April 3, 2014 |
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| Deed | Registry of Deeds book 63451, page 0159 |
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What MassDEP has recorded
- RTN 3-0030048 — Green Line Extension Parcel, activity and use limitation, status PSC, class PA, AUL recorded May 28, 2024 · MassDEP file
Within about 500 m (a third of a mile): 4 active tier-classified 21E sites and 10 sites with an Activity and Use Limitation. All MassDEP sites in Somerville.
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: Somerville assessor file for fiscal year 2025, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.
The report for 20 Third Ave
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