260-262 Sidney St #3R, Cambridge — property record card
Residential Condominium built in 1886 in Cambridge, assessed at $3,579,845 for fiscal year 2026; last sold for $613,000 on August 12, 2024.
Parcel
| Location | 260-262 Sidney St #3R |
|---|---|
| Map and parcel ID | 66-106 66-106-3R |
| Use | Residential Condominium |
| County | Middlesex |
Valuation — fiscal year 2026
| Building | $3,579,845 |
|---|---|
| Land | $0 |
| Total assessed | $3,579,845 |
Building
| Year built | 1886 |
|---|---|
| Style | APARTMENT |
| Living area | 590 ft² |
| Rooms | 4 |
| Stories | 1 |
| Units | 9 |
Last recorded sale
| Price | $613,000 |
|---|---|
| Date | August 12, 2024 |
| Deed | Registry of Deeds book 83117, page 0306 |
9 assessor accounts on this parcel
| Address | Account | Use | Assessed | Last sale |
|---|---|---|---|---|
| 260-262 Sidney St #1L | 66-106-1L | Residential Condominium | $491,300 | $250,000 |
| 260-262 Sidney St #1R | 66-106-1R | Residential Condominium | $466,700 | nominal ($100) |
| 260-262 Sidney St #2L | 66-106-2L | Residential Condominium | $499,600 | $275,000 |
| 260-262 Sidney St #2R | 66-106-2R | Residential Condominium | $467,600 | $613,000 |
| 260-262 Sidney St #3L | 66-106-3L | Residential Condominium | $475,100 | nominal ($10) |
| 260-262 Sidney St #3R | 66-106-3R | Residential Condominium | $508,100 | nominal ($100) |
| 260-262 Sidney St #BL | 66-106-BL | Residential Condominium | $340,745 | $525,000 |
| 260-262 Sidney St #BR | 66-106-BR | Residential Condominium | $330,700 | $120,000 |
| 262 Sidney St | 66-106 | CONDO-BLDG | $0 | $591,000 |
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 17 sites with an Activity and Use Limitation. All MassDEP sites in Cambridge.
What this means
- Assessed 22% above the median residential condominium in Cambridge ($2,924,050, 2,506 parcels).
- The last sale price is 83% 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 260-262 Sidney St #3R
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)