20 Palfrey St, Watertown — property record card
Residential Condominium built in 1850 in Watertown, assessed at $2,932,400 for fiscal year 2026; last sold for $515,000 on May 16, 2025.
Parcel
| Location | 20 Palfrey St |
|---|---|
| Map and parcel ID | 1009 16 0 1009 16 20A |
| Use | Residential Condominium |
| County | Middlesex |
Valuation — fiscal year 2026
| Building | $2,932,400 |
|---|---|
| Land | $0 |
| Total assessed | $2,932,400 |
Building
| Year built | 1850 |
|---|---|
| Style | Townhouse |
| Living area | 1,750 ft² |
| Rooms | 8 |
| Units | 5 |
Last recorded sale
| Price | $515,000 |
|---|---|
| Date | May 16, 2025 |
| Deed | Registry of Deeds book 84098, page 275 |
5 assessor accounts on this parcel
| Address | Account | Use | Assessed | Last sale |
|---|---|---|---|---|
| 20 Palfrey St | 1009 16 20A | Residential Condominium | $847,700 | $825,000 |
| 22 Palfrey St | 1009 16 20B | Residential Condominium | $489,100 | $515,000 |
| 24 Palfrey St | 1009 16 20C | Residential Condominium | $553,800 | $440,000 |
| 26 Palfrey St | 1009 16 20D | Residential Condominium | $525,300 | $35,000 |
| 28 Palfrey St | 1009 16 20E | Residential Condominium | $516,500 | $327,500 |
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 6 sites with an Activity and Use Limitation. All MassDEP sites in Watertown.
What this means
- Assessed 101% above the median residential condominium in Watertown ($1,461,700, 975 parcels).
- The last sale price is 82% 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.

The report for 20 Palfrey St
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)