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    Apartment for rent
  • $4,217/mo

    21 Charles St, # 102C, Cambridge, MA 02141

    1beds
    896sqft

    This listing now includes required monthly fees in the total monthly price. Price shown reflects the lease term provided. Learn more|

    Apartment
    Available Sat Nov 21 2026
    Cats, dogs OK
    In unit laundry
    Garage parking
    Contact manager for more details about this home.

    What's special

    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.
    12 hours
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    Listing updated:

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    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 1
    • Bathrooms: 1
    • Full bathrooms: 1
    Appliances
    • Included: Dryer, Washer
    • Laundry: In Unit
    Features
    • Storage
    • Flooring: Vinyl
    Interior area
    • Total interior livable area: 896 sqft

    Property

    Parking
    • Parking features: Garage
    • Has garage: Yes
    • Details: Contact manager
    Features
    • Patio & porch: Deck, Patio
    • Exterior features: 24-Hour Package Room, Barbecue, Co-Working Spaces, Community Kitchen And Dining, Direct Access Entry*, Gourmet Kitchens With Stainless Steel Appliances, Groom Room, Open Air Amphitheater, Open Floor Plans, Outdoor Lounges With Fire Pits, Pet Friendly, Quartz Countertops, Schlage Smart Locks, Social Spaces With Complimentary WiFi, Stand-Up Showers*, Storage, Walk-In Closets*
    • Has view: Yes
    • View description: Roof Deck With City Views
    Lot
    • Features: Landscaped, Views
    Details
    • Additional structures: Garage(s), Storage
    • Other equipment: Intercom

    Construction

    Type & style
    • Home type: Apartment
    • Property subtype: Apartment

    Building

    Details
    • Building name: Flats on First
    Management
    • Pets allowed: Yes

    Community & HOA

    Community
    • Features: Fitness Center
    HOA
    • Amenities included: Fitness Center, Game Room
    Location
    • Region: Cambridge

    Financial & listing details

    • Lease term: 12 Months

    Price history

    DateEventPrice
    10/6/2026Listed for rent$4,217+11.8%$5/sqft
    Source: Zillow Rentals Report a problem
    1/23/2026Listing removed$3,773$4/sqft
    Source: Zillow Rentals Report a problem
    1/16/2026Price change$3,773+6.4%$4/sqft
    Source: Zillow Rentals Report a problem
    1/15/2026Price change$3,545-8%$4/sqft
    Source: Zillow Rentals Report a problem
    1/8/2026Price change$3,853-3.7%$4/sqft
    Source: Zillow Rentals Report a problem
    1/6/2026Price change$4,003-1.8%$4/sqft
    Source: Zillow Rentals Report a problem
    10/2/2025Listed for rent$4,078-2.8%$5/sqft
    Source: Zillow Rentals Report a problem
    11/6/2024Listing removed$4,196+1.4%$5/sqft
    Source: Zillow Rentals Report a problem
    11/5/2024Price change$4,139+4.8%$5/sqft
    Source: Zillow Rentals Report a problem
    11/2/2024Price change$3,949+0.5%$4/sqft
    Source: Zillow Rentals Report a problem
    10/21/2024Price change$3,928+4.8%$4/sqft
    Source: Zillow Rentals Report a problem
    10/15/2024Price change$3,747+2.4%$4/sqft
    Source: Zillow Rentals Report a problem
    10/10/2024Price change$3,659-4.7%$4/sqft
    Source: Zillow Rentals Report a problem
    10/6/2024Price change$3,838-2.8%$4/sqft
    Source: Zillow Rentals Report a problem
    10/2/2024Price change$3,948+0.8%$4/sqft
    Source: Zillow Rentals Report a problem
    9/25/2024Listed for rent$3,916$4/sqft
    Source: Zillow Rentals Report a problem
    9/11/2024Listing removed$3,916$4/sqft
    Source: Zillow Rentals Report a problem
    9/6/2024Price change$3,916-4.9%$4/sqft
    Source: Zillow Rentals Report a problem
    9/4/2024Price change$4,1160%$5/sqft
    Source: Zillow Rentals Report a problem
    9/2/2024Price change$4,118+1%$5/sqft
    Source: Zillow Rentals Report a problem
    8/25/2024Price change$4,077-0.4%$5/sqft
    Source: Zillow Rentals Report a problem
    8/23/2024Price change$4,092-0.2%$5/sqft
    Source: Zillow Rentals Report a problem
    8/22/2024Price change$4,101-0.5%$5/sqft
    Source: Zillow Rentals Report a problem
    8/20/2024Price change$4,120-0.5%$5/sqft
    Source: Zillow Rentals Report a problem
    8/18/2024Listed for rent$4,139$5/sqft
    Source: Zillow Rentals Report a problem

    Neighborhood: East Cambridge

    Nearby schools

    GreatSchools rating

    There are 12 available units in this apartment building