Units at 91 Sidney
As of October 12, 2026, 11 units are available at 91 Sidney in Cambridge, MA, from $3,475 a month. Another 4 units listed here since September 2026 are no longer available.
Available now
1 bedroom
| Unit | Floor plan | Rent | Size | Available |
|---|---|---|---|---|
| Unit 91-0413 | 1A | $3,475 | 580 sq ft | November 20 |
| Unit 91-0913 | 1A | $3,480 | 580 sq ft | Now |
| Unit 91-0911 | 1A | $3,515 | 580 sq ft | November 10 |
| Unit 91-0704 | 1E | $3,710 | 774 sq ft | Now |
| Unit 91-0601 | 1D | $3,745 | 768 sq ft | Now |
| Unit 91-0701 | 1D | $3,810 | 768 sq ft | Now |
| Unit 91-0412 | 1G | $4,080 | 922 sq ft | Now |
| Unit 91-0912 | 1G | $4,230 | 922 sq ft | Now |
2 bedrooms
| Unit | Floor plan | Rent | Size | Available |
|---|---|---|---|---|
| Unit 91-0210 | 2C | $4,895 | 1,201 sq ft | Now |
| Unit 91-0910 | 2C | $4,950 | 1,201 sq ft | Now |
| Unit 91-0314 | 2D | $4,965 | 1,203 sq ft | Now |
Previously listed
1 bedroom
| Unit | Floor plan | Last rent | Last listed |
|---|---|---|---|
| Unit 91-1012 | 1G | $4,220 | October 3, 2026 |
| Unit 91-1003 | 1C | $3,955 | September 28, 2026 |
2 bedrooms
| Unit | Floor plan | Last rent | Last listed |
|---|---|---|---|
| Unit 91-0915 | 2A | $5,150 | October 1, 2026 |
| Unit 91-0610 | 2C | $5,155 | September 5, 2026 |