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.
Apartment for rent
$4,078/mo
21 Charles St #102C, Cambridge, MA 02141
1beds
896sqft
This listing now includes required monthly fees in the total price. Learn more
Apartment
Available Sun Dec 14 2025
Cats, dogs OK
-- A/C
In unit laundry
Garage parking
-- Heating
What's special
- 5 days |
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Travel times
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 1
- Bathrooms: 1
- Full bathrooms: 1
Appliances
- Included: Dryer, Washer
- Laundry: In Unit
Features
- View, Walk-In Closet(s)
- Flooring: Linoleum/Vinyl
Interior area
- Total interior livable area: 896 sqft
Property
Parking
- Parking features: Garage, Parking Lot, Other
- Has garage: Yes
- Details: Contact manager
Features
- Patio & porch: Patio
- Exterior features: Barbecue, Bicycle storage, Co-Working Spaces, Community Kitchen And Dining, Direct Access Entry*, Game Room, Gourmet Kitchens With Stainless Steel Appliances, Groom Room, Landscaped Courtyards With Outdoor Seating, Open Air Amphitheater, Open Floor Plans, Outdoor Lounges With Fire Pits, Package Receiving, Pet Friendly, Quartz Countertops, Schlage Smart Locks, Social Spaces With Complimentary Wifi, Stand-Up Showers*
- Has view: Yes
- View description: City View
Details
- 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
Location
- Region: Cambridge
Financial & listing details
- Lease term: Contact For Details
Price history
| Date | Event | Price |
|---|---|---|
| 10/2/2025 | Listed for rent | $4,078-2.8%$5/sqft |
Source: Zillow Rentals | ||
| 11/6/2024 | Listing removed | $4,196+1.4%$5/sqft |
Source: Zillow Rentals | ||
| 11/5/2024 | Price change | $4,139+4.8%$5/sqft |
Source: Zillow Rentals | ||
| 11/2/2024 | Price change | $3,949+0.5%$4/sqft |
Source: Zillow Rentals | ||
| 10/21/2024 | Price change | $3,928+4.8%$4/sqft |
Source: Zillow Rentals | ||
Neighborhood: East Cambridge
There are 5 available units in this apartment building