50 Monument Sq 3, Boston — property record card
Residential Condominium built in 1865 in Boston, assessed at $7,195,600 for fiscal year 2023; last sold for $935,000 on July 14, 2022.
Parcel
| Location | 50 Monument Sq 3, Boston MA 02129 |
|---|---|
| Map and parcel ID | 0203307000 0203307008 |
| Use | Residential Condominium |
| County | Suffolk |
Valuation — fiscal year 2023
| Building | $7,195,600 |
|---|---|
| Land | $0 |
| Total assessed | $7,195,600 |
Building
| Year built | 1865 |
|---|---|
| Style | Row End |
| Living area | 1,603 ft² |
| Rooms | 5 |
| Stories | 1 |
Last recorded sale
| Price | $935,000 |
|---|---|
| Date | July 14, 2022 |
| Deed | Registry of Deeds book 67946, page 193 |
10 assessor accounts on this parcel
| Address | Account | Use | Assessed | Last sale |
|---|---|---|---|---|
| 50 Monument Sq | 0203307000 | Other, Open Space | $0 | nominal ($0) |
| 50 Monument Sq 1 | 0203307004 | Residential Condominium | $797,700 | $710,000 |
| 50 Monument Sq 2 | 0203307006 | Residential Condominium | $756,600 | nominal ($9) |
| 50 Monument Sq 3 | 0203307008 | Residential Condominium | $1,223,200 | $732,000 |
| 50 Monument Sq 4 | 0203307010 | Residential Condominium | $433,000 | $240,000 |
| 50 Monument Sq 5 | 0203307012 | Residential Condominium | $907,000 | $931,000 |
| 50 Monument Sq 6 | 0203307014 | Residential Condominium | $539,600 | nominal ($0) |
| 50 Monument Sq 7 | 0203307016 | Residential Condominium | $827,100 | $935,000 |
| 50 Monument Sq 8 | 0203307018 | Residential Condominium | $927,100 | $1,025,000 |
| 50 Monument Sq 9 | 0203307002 | Residential Condominium | $784,300 | nominal ($1) |
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 1 site with an Activity and Use Limitation. All MassDEP sites in Boston.
What this means
- Assessed 274% above the median residential condominium in Boston ($1,926,500, 10,170 parcels).
- 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 50 Monument Sq 3
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)