21-23 Cook St #23, Newton — property record card
Residential Condominium built in 2013 on 0.19 acres in Newton, assessed at $2,590,800 for fiscal year 2026; last sold for $1,395,000 on May 23, 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 | 21-23 Cook St #23, Newton MA 02458 |
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| Map and parcel ID | 11013 0007 11013 0007A |
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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 | $2,590,800 |
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| Land | $0 |
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| Total assessed | $2,590,800 |
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Land
| Lot size | 0.19 acres (8,246 ft²) |
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Building
| Year built | 2013 |
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| Style | Townhouse |
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| Living area | 1,977 ft² |
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| Rooms | 6 |
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| Units | 3 |
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Last recorded sale
| Price | $1,395,000 |
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| Date | May 23, 2025 |
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| Deed | Registry of Deeds book 84133, page 182 |
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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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| 21-23 Cook St | 11013 0007MAIN | Other, Open Space | $0 | nominal ($1)
June 27, 2014 |
| 21-23 Cook St #21 | 11013 0007 | Residential Condominium | $1,292,200 | $1,395,000
May 23, 2025 |
| 21-23 Cook St #23 | 11013 0007A | Residential Condominium | $1,298,600 | $1,237,000
August 9, 2022 |
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): 1 active tier-classified 21E site and 5 sites with an Activity and Use Limitation. All MassDEP sites in Newton.
What this means
- Assessed 20% above the median residential condominium in Newton ($2,155,400, 1,525 parcels).
- The last sale price is 46% 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 21-23 Cook St #23
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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