Flats on First

21 Charles St., Cambridge, Massachusetts

Starting From

$3,020/mo*

Flats on First

21 Charles St., Cambridge, Massachusetts

Neighborhood: Cambridge- East Cambridge
Number of Units: 136
Year Built: 2021

Prices as of 4/22/2025*

Studios: $3,020 - $3,220
1 Bedroom: $4,068 - $4,268
2 Bedrooms: $5,029

* Rent prices for units in luxury buildings change frequently subject to floor level, view, floor plan, and market conditions. Call for latest pricing.

Property Description

Flats on First, nestled in the heart of Cambridge, MA, is a modern residential community that offers a unique blend of convenience, style, and luxury. This sophisticated living space features a variety of apartment layouts including studio, one, two, and three-bedroom units, each designed to cater to the diverse needs and lifestyles of its reside...

The interiors of Flats on First are meticulously designed with an eye for detail and luxury. Residents can enjoy gourmet kitchens equipped with stainless steel appliances, quartz countertops, and designer custom cabinetry, complemented by ceramic and glass tile backsplashes. The luxury, wood-grained vinyl flooring adds an elegant touch to the living spaces, while the convenience of a full-size, high-efficiency washer and dryer enhances the living experience. The apartments also feature open floor plans, and select units include balconies, direct access entry, stand-up showers, and walk-in closets, offering a touch of exclusivity and privacy.

The community amenities at Flats on First are equally impressive, creating an environment that is both inviting and entertaining. The roof deck offers stunning city views, perfect for relaxing evenings. The outdoor amphitheater and lounges with fire pits provide spaces for social gatherings, while the grilling and al fresco dining areas are ideal for hosting friends and family. Residents can stay active in the 24-hour fitness center or enjoy the landscaped courtyards for outdoor relaxation. The community also includes co-working spaces, a game room, and a pet-friendly environment, ensuring that every aspect of modern living is catered to.

Living in Cambridge offers Flats on First residents an unparalleled experience. The neighborhood is rich in cultural and recreational opportunities, with easy access to the Charles River for canoeing, kayaking, or simply enjoying the esplanade. The vibrant community of Kendall Square is just a stone’s throw away, offering rooftop gardens and various parks for leisure and relaxation. Additionally, the proximity to the MBTA Red Line and Green Line makes commuting to Boston effortless, unlocking a world of dining, shopping, and entertainment options.

Whether it’s exploring the local attractions, enjoying the community amenities, or simply relaxing in the comfort of a well-appointed home, residents of Flats on First experience the best of Cambridge living.

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