- 91.9 mi
Cambridgeport School
Public, Grades PK - 5
- 81.9 mi
Maria L. Baldwin School
Public, Grades PK - 5
- 71.9 mi
Haggerty School
Public, Grades PK - 5
- 81.9 mi
John M. Tobin Montessori School
Public, Grades PK - 5
Showing 4 of 9 primary schools.
21 Charles St, Cambridge, MA, 02141
Flats on First embodies the best of boutique living, combining the luxuries of a modern apartment community with the comforts of a close-knit neighborhood. Come home to a place of sophistication and serenity in East Cambridge.
Students who live in Flats on First attend the following Cambridge School District public schools:
Public, Grades PK - 5
Public, Grades 6 - 8
Public, Grades 9 - 12
Public, Grades PK - 8
Showing 4 of 15 schools.
GreatSchools ratings are based on test scores and additional metrics when available.

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There are cats and dogs allowed at Flats on First. Please contact the property manager for up to date pet policy and fee information.
This building offers in unit laundry.
Yes, Flats on First provides parking.
Your new apartment would be located in the East Cambridge neighborhood.
Please check with property manager to determine the school district Flats on First is in.
The property manager updated this rental listing 19 hours, 25 minutes ago.
This listing now includes required monthly fees in the total price.
Studio • 1 bath • 584 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $3,311 | 10/10/2026 |
Studio • 1 bath • 584 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $3,311 | 10/10/2026 |
1 Bed • 1 bath • 757 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $3,967 | 9/18/2026 | ||
| $4,020 | 9/3/2026 | ||
| $3,967 | 10/25/2026 |
1 Bed • 1 bath • 757 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $3,967 | 9/18/2026 | ||
| $4,020 | 9/3/2026 | ||
| $3,967 | 10/25/2026 |
2 Beds • 2 bath • 1,050 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $5,261 | 10/6/2026 |
2 Beds • 2 bath • 1,050 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $5,261 | 10/6/2026 |
3 Beds • 2 bath • 1,303 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $6,629 | 8/19/2026 |
3 Beds • 2 bath • 1,303 sqft
| Unit | Total price / mo | Available | Unit details |
|---|---|---|---|
| $6,629 | 8/19/2026 |