45 Rumford Ave, Waltham — property record card
General Office Buildings built in 1984 on 1.18 acres in Waltham, assessed at $4,727,200 for fiscal year 2026; last sold for $5,250,000 on December 29, 2010.
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 | 45 Rumford Ave |
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| Map and parcel ID | R076 017 0004 |
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| Use | General Office Buildings (use code 340) |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $3,335,800 |
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| Land | $1,376,400 |
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| Other | $15,000 |
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| Total assessed | $4,727,200 |
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Land
| Lot size | 1.18 acres (51,401 ft²) |
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Building
| Year built | 1984 |
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| Style | OFFICE |
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| Living area | 28,044 ft² |
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| Stories | 2 |
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Last recorded sale
| Price | $5,250,000 |
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| Date | December 29, 2010 |
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| Deed | Registry of Deeds book 56169, page 354-35 |
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What MassDEP has recorded
- RTN 3-0028123 — Rumford And Riverview, activity and use limitation, status TMPS, class TN, AUL recorded May 13, 2014 · 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 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 45 Rumford 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)
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