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Flats on First
Flats on First
Flats on First
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Flats on First

East Cambridge
21 Charles Street, Cambridge, MA 02141

  • Studio – 3 bed
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Flats on First
Summary Property location Pricing and availability Amenities Property details Contact

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Property location

21 Charles Street, Cambridge, MA 02141

Pricing and availability

Last updated 33 minutes ago
  • S1
    • Studio
    • ·
      1 bath
    • ·
      440 sqft
    $3,177+ mo
    1
    Starting at
    Unit available

    • Unit 316B

      Avail 12/9/2025

      12 months lease
      $3,177+ mo
      Dropped on 12/02
    • -7%
      • $3,177+ mo
  • S3
    • Studio
    • ·
      1 bath
    • ·
      628 sqft
    $3,527+ mo
    1
    Starting at
    Unit available

    • Unit 303B

      Avail 12/27/2025

      12 months lease
      $3,527+ mo
      Dropped on 12/02
    • -7%
      • $3,527+ mo

    • Amenities

    • In unit laundry
    • Patio / balcony
    • Dishwasher
    • Pet friendly
    • 24hr maintenance
    • Garage

    Property details

    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.

    Lease length
    13 months
    Deposit
    500.0
    Pets allowed
    Yes
    Parking
    Garage.
    Income requirement
    Must have 3x the rent in total household income (before taxes)
    Utilities
    Trash

    Contact the property

    (617) 675-5690