478 Putnam Ave #6, Cambridge — property record card
Residential Condominium built in 1975 in Cambridge, assessed at $4,907,800 for fiscal year 2026; last sold for $736,000 on April 30, 2025.
Parcel
| Location | 478 Putnam Ave #6 |
|---|---|
| Map and parcel ID | 102-133 102-133-6 |
| Use | Residential Condominium |
| County | Middlesex |
Valuation — fiscal year 2026
| Building | $4,907,800 |
|---|---|
| Land | $0 |
| Total assessed | $4,907,800 |
Building
| Year built | 1975 |
|---|---|
| Style | TWO-FLOORS |
| Living area | 1,001 ft² |
| Rooms | 5 |
| Stories | 2 |
| Units | 8 |
Last recorded sale
| Price | $736,000 |
|---|---|
| Date | April 30, 2025 |
| Deed | Registry of Deeds book 84029, page 0483 |
8 assessor accounts on this parcel
| Address | Account | Use | Assessed | Last sale |
|---|---|---|---|---|
| 470 Putnam Ave | 102-133 | CONDO-BLDG | $0 | |
| 478 Putnam Ave #1 | 102-133-1 | Residential Condominium | $646,800 | $700,000 |
| 478 Putnam Ave #2 | 102-133-2 | Residential Condominium | $624,800 | $59,900 |
| 478 Putnam Ave #3 | 102-133-3 | Residential Condominium | $646,300 | $50,000 |
| 478 Putnam Ave #4 | 102-133-4 | Residential Condominium | $690,800 | $736,000 |
| 478 Putnam Ave #5 | 102-133-5 | Residential Condominium | $740,600 | $603,000 |
| 478 Putnam Ave #6 | 102-133-6 | Residential Condominium | $811,700 | $405,000 |
| 478 Putnam Ave #7 | 102-133-7 | Residential Condominium | $746,800 | $370,000 |
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 7 sites with an Activity and Use Limitation. All MassDEP sites in Cambridge.
What this means
- Assessed 68% above the median residential condominium in Cambridge ($2,924,050, 2,506 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.
- 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 478 Putnam Ave #6
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)