A rare and truly exceptional offering in the heart of downtown Portsmouth-this one-of-a-kind property includes a luxury penthouse residence, a second residential unit, and two commercial storefronts, all offered in its entirety. Built in 2008 and meticulously maintained, the property blends modern construction, upscale amenities, and timeless interior style in an unbeatable downtown location. The main entrance on State Street opens to a foyer with elevator access to both residences and the lower level. A four-car garage is accessed from the rear of the foyer, while two ground-level storefronts with premier State Street frontage flank the entrance. Both retail spaces are leased to established tenants, with one at-will and one under lease. The second floor features a spacious three-bedroom, four-bath garden-style residence with an open-concept floor plan, hardwood floors, gas fireplaces, and three en suite bedrooms. The third and fourth floors comprise a stunning two-story penthouse offering four bedrooms and six baths, including four en suite bedrooms plus a fifth en suite office or guest suite. The expansive main living level showcases a chef's kitchen with island, casual and formal dining areas, private office, mudroom, and rich cognac-toned wide-pine floors. Expansive decks span all three residential levels, each oriented toward the quiet, sun-filled, south-facing Court Street side. Additional highlights include secure private elevator access to each residence, four deeded garage parking spaces with additional storage, and a finished lower level ideal for a fitness room, wine storage, or flexible use space.Condominium conversion potential presents a rare investment or legacy ownership opportunity. Enjoy the many benefits of New Hampshire living, including no state income or sales tax, close proximity to the scenic coastlines and beaches of NH and Maine, and convenient access to 4 regional and international airports in less than one hour.