Welcome to Proto in Cambridge, MA, a forward-thinking apartment community located in the heart of Kendall Square, one of the world’s most innovative and dynamic neighborhoods. Ideal for corporate housing and extended stays, Stay Sojo at Proto offers fully furnished apartments with contemporary designer interiors, high-end finishes, and smartly designed living spaces that blend comfort, technology, and style into a seamless move-in-ready experience. Residents are immersed in a vibrant community at the intersection of innovation and design, with unmatched access to top tech employers, public transit, dining, and cultural attractions. Stay Sojo at Proto delivers a premium furnished living experience that supports both productivity and relaxation, making it a top choice for luxury corporate apartments in Cambridge, Massachusetts.