239 Prospect St #241/1, Cambridge — property record card
Residential Condominium built in 2008 in Cambridge, assessed at $8,600,000 for fiscal year 2026; last transferred July 17, 2025 for a nominal sum.
Rebuilt from the Cambridge assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Cambridge assessor’s office.
Parcel
| Location | 239 Prospect St #241/1, Cambridge MA 02139 |
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| Map and parcel ID | 110-65 110-65-241/1 |
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| Use | Residential Condominium (use code 102) |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $8,600,000 |
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| Land | $0 |
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| Total assessed | $8,600,000 |
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Building
| Year built | 2008 |
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| Style | TOWNHSE-END |
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| Living area | 1,059 ft² |
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| Rooms | 5 |
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| Stories | 2 |
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| Units | 13 |
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Last recorded sale
| Price | nominal ($1) |
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| Date | July 17, 2025 |
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| Deed | Registry of Deeds book 84374, page 0157 |
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13 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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| 239 Prospect St | 110-65 | CONDO-BLDG | $0 | $800,000
July 8, 2004 |
| 239 Prospect St #239/1 | 110-65-239/1 | Residential Condominium | $1,061,500 | $473,000
November 18, 2008 |
| 239 Prospect St #239/2 | 110-65-239/2 | Residential Condominium | $1,061,500 | $928,000
October 23, 2017 |
| 239 Prospect St #239/3 | 110-65-239/3 | Residential Condominium | $1,061,500 | $472,000
August 13, 2010 |
| 239 Prospect St #239/4 | 110-65-239/4 | Residential Condominium | $1,061,500 | $462,000
November 17, 2008 |
| 239 Prospect St #241/1 | 110-65-241/1 | Residential Condominium | $1,061,500 | $475,000
August 21, 2008 |
| 239 Prospect St #241/2 | 110-65-241/2 | Residential Condominium | $1,061,500 | $925,000
May 19, 2017 |
| 239 Prospect St #241/3 | 110-65-241/3 | Residential Condominium | $1,061,500 | $1,060,000
August 16, 2018 |
| 239 Prospect St #241/4 | 110-65-241/4 | Residential Condominium | $1,061,500 | $475,000
August 21, 2008 |
| 239 Prospect St #PSA | 110-65-PSA | CNDO-RES-PKG | $27,000 | $23,000
April 7, 2011 |
| 239 Prospect St #PSB | 110-65-PSB | CNDO-RES-PKG | $27,000 | $23,000
April 7, 2011 |
| 239 Prospect St #PSC | 110-65-PSC | CNDO-RES-PKG | $27,000 | nominal ($1)
July 17, 2025 |
| 239 Prospect St #PSD | 110-65-PSD | CNDO-RES-PKG | $27,000 | nominal ($1)
November 18, 2008 |
What MassDEP has recorded
- RTN 3-0011772 — No Location Aid, activity and use limitation, status RAO, class B1, AUL recorded December 22, 1994 · MassDEP file
- RTN 3-0016585 — No Location Aid, activity and use limitation, status RAO, class A3, AUL recorded August 10, 1998 · MassDEP file
Within about 500 m (a third of a mile): 3 active tier-classified 21E sites and 3 sites with an Activity and Use Limitation. All MassDEP sites in Cambridge.
What this means
- Assessed 194% above the median residential condominium in Cambridge ($2,924,050, 2,506 parcels).
- The last deed was recorded for a nominal sum: a transfer between family members, into a trust or a similar non-market sale. It says nothing about the market value.
- An Activity and Use Limitation is a deed restriction: it limits how the land may be used (often no residential use or no digging) and passes to every buyer.
Point at the centre of the assessor parcel — not a survey.
Data: Cambridge 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 239 Prospect St #241/1
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.
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