Discover a truly unique living experience in this detached, stand-alone residence in one of the most desirable pockets of Harvard Square, just steps from the Charles River and across the bridge from HBS. Spanning four floors, the home offers privacy on every level while maintaining inviting shared spaces. The penthouse primary suite features windows on all four sides, a large skylight, and a wet bar. The lower-level suite includes radiant heated tile floors, a custom wet bar/kitchenette, and a private entrance-ideal for a home office, guest suite, or entertaining. Designed for modern living, the home is fully wired with hardwired Ethernet on every floor. Enjoy easy access to Harvard Square, riverfront paths, dining, and culture. Owner pays water and snow removal; tenant pays gas, electric, internet, phone, and TV. Move-in date is flexible. Ask about adding a fourth bathroom, parking, and EV charging.