46 Walnut Pk #1, Newton — property record card
Residential Condominium built in 1830 on 0.44 acres in Newton, assessed at $4,306,400 for fiscal year 2026; last sold for $2,490,000 on July 7, 2025.
Rebuilt from the Newton assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Newton assessor’s office.
Parcel
| Location | 46 Walnut Pk #1, Newton MA 02458 |
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| Map and parcel ID | 12005 0026 |
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| Use | Residential Condominium (use code 1020) |
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| Zoning | MR1 |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $4,305,900 |
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| Land | $0 |
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| Other | $500 |
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| Total assessed | $4,306,400 |
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Land
| Lot size | 0.44 acres (19,175 ft²) |
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Building
| Year built | 1830 |
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| Style | Condominium |
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| Living area | 4,640 ft² |
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| Rooms | 9 |
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| Units | 3 |
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Last recorded sale
| Price | $2,490,000 |
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| Date | July 7, 2025 |
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| Deed | Registry of Deeds book 84325, page 97 |
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3 assessor accounts on this parcel
Condominium units or several buildings share one parcel; each has its own assessment.
| Address | Account | Use | Assessed | Last sale |
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| 46 Walnut Pk | 12005 0026MAIN | Other, Open Space | $0 | nominal ($1)
November 20, 2020 |
| 46 Walnut Pk #1 | 12005 0026 | Residential Condominium | $2,324,800 | $2,490,000
July 7, 2025 |
| 46 Walnut Pk #2 | 12005 0026A | Residential Condominium | $1,981,600 | $1,730,000
January 15, 2021 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
Within about 500 m (a third of a mile): 0 active tier-classified 21E sites and 1 site with an Activity and Use Limitation. All MassDEP sites in Newton.
What this means
- Assessed 100% above the median residential condominium in Newton ($2,155,400, 1,525 parcels).
- The last sale price is 42% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.
- Built before 1978: the Massachusetts Lead Law applies when a child under six lives there; ask for any lead inspection or letter of compliance.
Point at the centre of the assessor parcel — not a survey.
Data: Newton 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 46 Walnut Pk #1
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.
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