66 Seyon St, Waltham — property record card
Discount Stores, Junior Department Stores, Department Stores built in 2010 on 13.01 acres in Waltham, assessed at $21,799,000 for fiscal year 2026; last sold for $30,000,000 on May 6, 2003.
Rebuilt from the Waltham assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Waltham assessor’s office.
Parcel
| Location | 66 Seyon St |
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| Map and parcel ID | R071 004 0002 |
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| Use | Discount Stores, Junior Department Stores, Department Stores (use code 322) |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $7,704,800 |
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| Land | $14,094,200 |
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| Total assessed | $21,799,000 |
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Land
| Lot size | 13.01 acres (566,716 ft²) |
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Building
| Year built | 2010 |
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| Style | SUPER MARKET |
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| Living area | 119,598 ft² |
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| Stories | 2 |
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Last recorded sale
| Price | $30,000,000 |
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| Date | May 6, 2003 |
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| Deed | Registry of Deeds book 39083, page 290-30 |
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What MassDEP has recorded
- RTN 3-0000449 — Raytheon Co Equip Div Mfg, activity and use limitation, status RAO, class C1, AUL recorded August 1, 1997 · MassDEP file
- RTN 3-0025830 — No Location Aid, activity and use limitation, status RAO, class B2, AUL recorded August 14, 2006 · MassDEP file
Within about 500 m (a third of a mile): 2 active tier-classified 21E sites and 10 sites with an Activity and Use Limitation. All MassDEP sites in Waltham.
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: Waltham 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 66 Seyon 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