21 Ashland St 1, Watertown — property record card
Residential Condominium built in 1987 in Watertown, assessed at $5,463,300 for fiscal year 2026; last sold for $830,000 on July 1, 2025.
Rebuilt from the Watertown assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Watertown assessor’s office.
Parcel
| Location | 21 Ashland St 1 |
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| Map and parcel ID | 1601 49 2A 1601 49 2A1 |
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| Use | Residential Condominium (use code 1020) |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $5,461,600 |
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| Land | $0 |
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| Other | $1,700 |
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| Total assessed | $5,463,300 |
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Building
| Year built | 1987 |
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| Style | Townhouse |
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| Living area | 1,653 ft² |
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| Rooms | 5 |
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| Units | 7 |
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Last recorded sale
| Price | $830,000 |
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| Date | July 1, 2025 |
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| Deed | Registry of Deeds book 84305, page 481 |
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7 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 Ashland St 1 | 1601 49 2A1 | Residential Condominium | $854,900 | $377,500
May 16, 2008 |
| 23 Ashland St 2 | 1601 49 2A2 | Residential Condominium | $760,400 | $475,000
May 29, 2015 |
| 25 Ashland St 3 | 1601 49 2A3 | Residential Condominium | $763,800 | $435,000
April 17, 2014 |
| 27 Ashland St 4 | 1601 49 2A4 | Residential Condominium | $763,800 | $611,000
July 25, 2017 |
| 29 Ashland St 5 | 1601 49 2A5 | Residential Condominium | $762,400 | $625,000
June 28, 2018 |
| 31 Ashland St #6 | 1601 49 2A6 | Residential Condominium | $760,400 | $830,000
July 1, 2025 |
| 33 Ashland St #7 | 1601 49 2A7 | Residential Condominium | $797,600 | $850,000
June 17, 2025 |
What MassDEP has recorded
No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.
What this means
- Assessed 274% above the median residential condominium in Watertown ($1,461,700, 975 parcels).
- The last sale price is 85% 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: Watertown 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 Ashland St 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.
$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)
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