The world at your fingertips in the very 1st block of magnificent & historic Commonwealth Avenue. Next door to the celebrated, superbly landscaped Public Garden, close to T & innumerable shops. Unusually spacious 1-level, 1.5-bedroom penthouse in a stately 19th-century brick mansion with gorgeous reception hall. Residence is full of light & beauty. High ceilings, multiple skylights, lovely views. Handsome & open kitchen with stainless-steel appliances, a wine cooler, hardwood cabinetry, delightfully large bedroom with generous closets & a marble bath ensuite. Exposed-brick office is large enough for a guest bed. Half-bath for guests. Hardwood floors, central AC, cross-ventilation. An internal stairway leads to a spacious private roof deck with long vistas over the city. A rare full-size deeded parking space. 100% owner-occupied & beautifully maintained 4-unit residence. Close to the Theater District, restaurants, & several of Boston's most beloved architectural treasures.