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 building
Studio-3 beds
Pet-friendly
Other parking
In-unit laundry (W/D)
Available units
Price may not include required fees and charges. Price shown reflects the lease term provided for each unit.
Unit , sortable column | Sqft, sortable column | Available, sortable column | Base rent, sorted ascending |
|---|---|---|---|
 Unit 205B Studio, 1 ba | 439 | Oct 29 | $3,161 |
 Unit 404C 1 bd, 1 ba | 718 | Nov 23 | $3,824 |
 Unit 520B 1 bd, 1 ba | 767 | Now | $3,967 |
Unit 418B 1 bd, 1 ba | 767 | Sep 18 | $3,967 |
Unit 609B 1 bd, 1 ba | 764 | Oct 25 | $3,967 |
 Unit 315B 1 bd, 1 ba | 1,101 | Now | $4,817 |
 Unit 507B 2 bd, 1 ba | 909 | Nov 24 | $4,896 |
 Unit 322B 2 bd, 2 ba | 1,050 | Oct 6 | $5,211 |
 Unit 421B 3 bd, 2 ba | 1,303 | Now | $6,579 |
Unit 221B 3 bd, 2 ba | 1,305 | Dec 17 | $6,579 |
What's special
Game room
Stay in, get your game on
This building features a game room. Less than 3% of buildings in Cambridge have this amenity.
3D tour
Flats on First Apartments
Office hours
| Day | Open hours |
|---|---|
| Mon - Fri: | 10 am - 6 pm |
| Sat: | 10 am - 5 pm |
| Sun: | Closed |
Property map
Tap on any highlighted unit to view details on availability and pricing
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Facts, features & policies
Building Amenities
Community Rooms
- Fitness Center: 24-Hour Fitness Center
- Game Room
Other
- In Unit: Full-Size, High Efficiency Washer/Dryer
Outdoor common areas
- Barbecue: Grilling And Al Fresco Dining
Security
- Intercom: Butterflymx Intercom System
Services & facilities
- Bicycle Storage: Bike Storage
- Package Service: 24-Hour Package Room
View description
- Roof Deck With City Views
Unit Features
Appliances
- Dryer
- Washer
Flooring
- Vinyl: Luxury, Wood-Grained Vinyl Flooring
Other
- Patio Balcony: Balconies*
Policies
Parking
- Garage: Controlled Access Parking Garage
- Other
Pet essentials
- DogsAllowedNumber allowed2Weight limit (lbs.)100Monthly dog rent$75
- CatsAllowedNumber allowed2Weight limit (lbs.)100Monthly cat rent$75
Additional details
Dogs and Cats | Restrictions: None
Special Features
- Co-Working Spaces
- Community Kitchen And Dining
- Direct Access Entry*
- Gourmet Kitchens With Stainless Steel Appliances
- Groom Room
- Landscaped Courtyards With Outdoor Seating
- 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*
- Walk-In Closets*
Neighborhood: East Cambridge
Areas of interest
Use our interactive map to explore the neighborhood and see how it matches your interests.
Travel times
Getting around
Walk Score®
/ 100
Walker's ParadiseTransit Score®
/ 100
Rider's ParadiseBike Score®
/ 100
Biker's ParadiseNearby schools in Cambridge
Cambridgeport School
Grades PK-5 • 1.1 miles9/10
GreatSchools® Rating
Test Score Rating
9/10Student Progress Rating
9/10Kennedy-Longfellow School
Grades PK-5 • 0.5 miles5/10
GreatSchools® Rating
Test Score Rating
4/10Student Progress Rating
5/10Cambridge Rindge and Latin School
Grades 9-12 • 1.8 miles8/10
GreatSchools® Rating
Test Score Rating
7/10College Readiness Rating
9/10Living in Cambridge
- Community VibeA strong sense of community is fostered through local events and gatherings, creating a welcoming atmosphere for all.
- Dining SceneThe diverse culinary options range from food trucks to fine dining, showcasing a rich tapestry of global flavors.
- Family VibesThe neighborhood offers numerous parks and family-oriented amenities, making it an ideal place for those with children.
- Green SpacesResidents benefit from several parks and open areas, perfect for relaxation, picnics, and outdoor activities.
The 02141 zip code encompasses a vibrant area in Cambridge, known for its blend of urban energy and family-friendly amenities. With a median rent of approximately $2,800, rental prices range from $1,800 to $4,000, making it an appealing choice for a variety of lifestyles. This neighborhood boasts a lively dining scene featuring an array of restaurants from casual eateries to upscale dining. Residents enjoy easy access to green spaces like the nearby Cambridge Common and the picturesque Charles River, perfect for outdoor activities. Families will appreciate the proximity to parks and playgrounds, while pet owners can find several pet-friendly amenities. The area is also rich in culture, with art galleries and theaters adding to the local charm.
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Frequently asked questions
Flats on First is located at 21 Charles St in East Cambridge, Cambridge, MA. The surrounding area includes approximately 20 restaurants and cafes within 1 mile, such as Tatte, Tatte, and Cafe Beatrice.
The nearest public transit stop is MBTA Lechmere Station, approximately 0.3 miles away.
Flats on First is located within 0.4 miles of Charles River, 0.4 miles of Boston Duck Tour (Museum Of Science), and 0.5 miles of The Clubs at Charles River Park.
Flats on First is located near 3 grocery stores, including 0.5 miles from New Deal Fish Market, 0.8 miles from Whole Foods Market, and 0.8 miles from Whole Foods Market. Additional shopping options, including UNIQLO, are approximately 1 mile away.
The total price for an apartment unit in Flats on First ranges from $3,161 to $6,579. The total price will vary by floor plan, unit size, and unit amenities.
The closest hospitals and medical facilities to Flats on First include MGH Cancer Center (0.6 miles away), MIT Medical (Building E23) (0.6 miles away), and Eat Street Cafe (0.6 miles away).
Flats on First is near approximately 20 restaurants within 1 mile, including Tatte (0.3 miles away), Tatte (0.3 miles away), and Cafe Beatrice (0.3 miles away).
The schools assigned to Flats on First include Cambridgeport School, Kennedy-Longfellow School, and Cambridge Rindge and Latin School.
There are 7+ floor plans availableWith 49% more variety than properties in the area, you're sure to find a place that fits your lifestyle.
