21 Westerly Street Unit 7, Wellesley — property record card
Residential Condominium built in 1971 in Wellesley, assessed at $11,995,000 for fiscal year 2026; last sold for $765,000 on November 18, 2025.
Parcel
| Location | 21 Westerly Street Unit 7 |
|---|---|
| Map and parcel ID | 123-15 123-15-7 |
| Use | Residential Condominium |
| County | Norfolk |
Valuation — fiscal year 2026
| Building | $11,995,000 |
|---|---|
| Land | $0 |
| Total assessed | $11,995,000 |
Building
| Year built | 1971 |
|---|---|
| Style | Condo |
| Living area | 3,720 ft² |
| Rooms | 7 |
| Stories | 2 |
Last recorded sale
| Price | $765,000 |
|---|---|
| Date | November 18, 2025 |
| Deed | Registry of Deeds book 42773, page 445 |
17 assessor accounts on this parcel
| Address | Account | Use | Assessed | Last sale |
|---|---|---|---|---|
| 21 Westerly Street Unit 1 | 123-15-1 | Residential Condominium | $666,000 | $653,000 |
| 21 Westerly Street Unit 2 | 123-15-2 | Residential Condominium | $575,000 | $137,000 |
| 21 Westerly Street Unit 3 | 123-15-3 | Residential Condominium | $575,000 | nominal ($1) |
| 21 Westerly Street Unit 4 | 123-15-4 | Residential Condominium | $872,000 | nominal ($1) |
| 21 Westerly Street Unit 5 | 123-15-5 | Residential Condominium | $639,000 | $642,000 |
| 21 Westerly Street Unit 6 | 123-15-6 | Residential Condominium | $703,000 | $690,000 |
| 21 Westerly Street Unit 7 | 123-15-7 | Residential Condominium | $963,000 | $520,000 |
| 21 Westerly Street Unit 8 | 123-15-8 | Residential Condominium | $703,000 | $725,000 |
| 21 Westerly Street Unit 9 | 123-15-9 | Residential Condominium | $716,000 | $650,000 |
| 21 Westerly Street Unit 10 | 123-15-10 | Residential Condominium | $660,000 | $380,000 |
| 21 Westerly Street Unit 11 | 123-15-11 | Residential Condominium | $741,000 | nominal ($100) |
| 21 Westerly Street Unit 12 | 123-15-12 | Residential Condominium | $647,000 | $650,000 |
| 21 Westerly Street Unit 13 | 123-15-13 | Residential Condominium | $708,000 | $715,000 |
| 21 Westerly Street Unit 14 | 123-15-14 | Residential Condominium | $639,000 | $700,000 |
| 21 Westerly Street Unit 15 | 123-15-15 | Residential Condominium | $732,000 | $765,000 |
| 21 Westerly Street Unit 16 | 123-15-16 | Residential Condominium | $651,000 | $625,000 |
| 21 Westerly Street Unit 17 | 123-15-17 | Residential Condominium | $805,000 | $575,000 |
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 3 sites with an Activity and Use Limitation. All MassDEP sites in Wellesley.
What this means
- Assessed 219% above the median residential condominium in Wellesley ($3,763,000, 68 parcels).
- The last sale price is 94% 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 21 Westerly Street Unit 7
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)