Striking, sun-filled, penthouse condo in a converted 1870 mill building offers soaring 12'+ ceilings, oversized windows, and preserved architectural details that celebrate its industrial past. Thoughtfully updated, the kitchen features white cabinetry, subway backsplash, custom island with stunning quartzite countertops, and high-end 2020 appliances including a Sub-Zero refrigerator, 5-burner GE stovetop with dual ovens and Cove dishwasher. The open-concept layout is perfect for entertaining or relaxing, with incredible light and versatility throughout. Enjoy peace of mind with a 2022 Lochinvar Hydro-air heating and hot water system, front-loading Sumsung washer/dryer, and deeded basement storage. Perfectly located along the Charles River steps from Moody Street’s shops, restaurants, public transit, and the scenic Riverwalk. This rare penthouse blends modern comfort like deeded parking with historic charm in one of Waltham’s most sought-after locations!