321-323 Lake Ave Ctr #321, Newton — property record card
Residential Condominium built in 2020 on 0.34 acres in Newton, assessed at $4,302,600 for fiscal year 2026; last sold for $2,475,000 on August 25, 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 | 321-323 Lake Ave Ctr #321, Newton MA 02461 |
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| Map and parcel ID | 52020 0025 |
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| Use | Residential Condominium (use code 1020) |
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| Zoning | MR1/MRT |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $4,291,200 |
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| Land | $0 |
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| Other | $11,400 |
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| Total assessed | $4,302,600 |
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Land
| Lot size | 0.34 acres (14,980 ft²) |
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Building
| Year built | 2020 |
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| Style | Condominium |
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| Living area | 2,909 ft² |
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| Rooms | 8 |
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| Units | 3 |
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Last recorded sale
| Price | $2,475,000 |
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| Date | August 25, 2025 |
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| Deed | Registry of Deeds book 84533, page 586 |
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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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| 321-323 Lake Ave Ctr #321 | 52020 0025 | Residential Condominium | $2,151,300 | $2,099,000 May 20, 2021 |
| 321-323 Lake Ave Ctr #323 | 52020 0025A | Residential Condominium | $2,151,300 | $2,475,000 August 25, 2025 |
| 321-323 Lake Ave Ctr #MAIN | 52020 0025MAIN | Other, Open Space | $0 | nominal ($1) May 19, 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.
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 321-323 Lake Ave Ctr #321
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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