123 River St 123B, Newton — property record card
Residential Condominium built in 1987 on 0.49 acres in Newton, assessed at $7,242,400 for fiscal year 2026; last sold for $920,000 on April 18, 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 | 123 River St 123B, Newton MA 02465 |
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| Map and parcel ID | 33034 0030 33034 0030C |
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| Use | Residential Condominium (use code 1020) |
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| Zoning | MR2 |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $7,242,400 |
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| Land | $0 |
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| Total assessed | $7,242,400 |
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Land
| Lot size | 0.49 acres (21,471 ft²) |
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Building
| Year built | 1987 |
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| Style | Townhouse |
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| Living area | 1,860 ft² |
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| Rooms | 6 |
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| Units | 11 |
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Last recorded sale
| Price | $920,000 |
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| Date | April 18, 2025 |
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| Deed | Registry of Deeds book 83985, page 285 |
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11 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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| 16 Alden Pl 16 | 33034 0035B | Residential Condominium | $800,500 | $920,000
April 18, 2025 |
| 16-18 Alden Pl | 33034 0030MAIN | Other, Open Space | $0 | |
| 18 Alden Pl 18 | 33034 0035C | IMPUTED - Housing Authority | $374,300 | nominal ($1)
March 3, 1987 |
| 121 River St 121A | 33034 0030 | Residential Condominium | $681,100 | nominal ($1)
April 1, 1992 |
| 121 River St 121B | 33034 0030A | Residential Condominium | $696,200 | $395,000
January 20, 2017 |
| 123 River St 123A | 33034 0030B | Residential Condominium | $811,300 | $950,000
April 19, 2022 |
| 123 River St 123B | 33034 0030C | Residential Condominium | $826,200 | nominal ($10)
February 9, 2021 |
| 125 River St 125A | 33034 0030D | Residential Condominium | $811,300 | $437,000
December 1, 2002 |
| 125 River St 125B | 33034 0030E | Residential Condominium | $811,300 | $510,000
November 2, 2012 |
| 127 River St 127A | 33034 0035 | Residential Condominium | $715,100 | $465,000
October 28, 2009 |
| 127 River St 127B | 33034 0035A | Residential Condominium | $715,100 | $290,000
April 1, 1999 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 236% above the median residential condominium in Newton ($2,155,400, 1,525 parcels).
- The last sale price is 87% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.
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 123 River St 123B
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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