495 Columbia St, Somerville — property record card
Medical Office Buildings built in 2022 on 1.15 acres in Somerville, assessed at $144,373,600 for fiscal year 2025; last sold for $7,427,364 on September 9, 2020.
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 | 495 Columbia St |
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| Map and parcel ID | 96-F-9 96_F_9 |
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| Use | Medical Office Buildings (use code 3420) |
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| Zoning | MR5 |
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| County | Middlesex |
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Valuation — fiscal year 2025
| Building | $102,373,300 |
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| Land | $42,000,300 |
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| Total assessed | $144,373,600 |
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Land
| Lot size | 1.15 acres (50,094 ft²) |
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Building
| Year built | 2022 |
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| Style | OFFICE LAB |
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| Living area | 336,002 ft² |
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| Stories | 11 |
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Last recorded sale
| Price | $7,427,364 |
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| Date | September 9, 2020 |
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| Deed | Registry of Deeds book 75570, page 0486 |
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What MassDEP has recorded
- RTN 3-0036320 — Boynton Gateway Development Site, activity and use limitation, status PSC, class PA, AUL recorded December 9, 2024 · MassDEP file
Within about 500 m (a third of a mile): 7 active tier-classified 21E sites and 21 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 495 Columbia 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