Iko katika kona maarufu ndani ya jengo la O'Neill lililopangwa kihistoria, Penthouse B ni makazi ya juu ya dupleksi ambayo yanaweza kulinganisha ukubwa wa Enzi ya Dhahabu na usahihi wa kisasa wa usanifu. Ilijengwa awali mwaka 1887 kama duka maarufu la idara katika eneo la kihistoria la Ladies' Mile, jengo hili limefanywa upya kuwa mkusanyiko wa makazi ya kifahari yanay retain saizi kubwa za urithi wake wa chuma. Nyumba hii yenye thawabu ina ukubwa wa futi mraba 4,819 za ndani, ikikamilishwa na mpango wa nje wa terasi tatu unaofikia zaidi ya futi mraba 2,500.

Chumba Kikuu kinafanya kazi kama kitovu cha makazi, kikiwa na urefu wa futi 53 na kuzungukwa na zaidi ya futi 220 za madirisha. Mfumo wa dari za juu na upande wa kusini na mashariki hutoa mwangaza wa asili wa hali ya juu na mandhari ya panaromacik ya skyline ya Manhattan. Mpangilio wa sasa umeundwa kama nyumba ya chumba tatu lakini awali ilipangiwa chumba halisi cha kulala kidogo nne, ikitoa ufanisi mkubwa katika jinsi nafasi inavyotumiwa.

Elements ya kipekee ya mali ni dome ya kihistoria iliyofunikwa kwa dhahabu ya Neo-Grek. Mojawapo tu ya chache zinazobaki New York, kengele hii ya futi 43 inaweza kubadilishwa kuwa chumba cha vyombo vya habari binafsi au ofisi ya nyumbani, ikitoa uzoefu wa usanifu wa digrii 360. Jiko limeundwa kwa ajili ya karamu ya watu wengi, likiwa na kisiwa kubwa katikati, vifaa vya Viking na Sub-Zero, pantry ya bawa, na chumba tofauti cha kifungua kinywa.

Ngazi ya juu imetengwa kwa ajili ya suite kuu, ikitoa makazi ya faragha yenye bafu ya spa kubwa na vyumba viwili vya kujipatia mavazi. Ngazi hii inafunguka kwenye terasi binafsi, moja ya maeneo matatu makubwa ya nje yanayozunguka nyumba. Sifa za ziada zinajumuisha kuingilia kwa huduma binafsi, kitengo cha kuhifadhi cha futi mraba 250 kilichomwambatana na nyumba hiyo, na chumba cha kufulia.

Jengo la O'Neill ni condominium inayotoa huduma kamili ikitoa mlango wa 24-saa, concierge, na paa la kawaida lenye ukubwa wa futi mraba 4,000 lenye jikoni ya nje. Iko katikati ya Chelsea, jengo linatoa ufikiaji wa haraka kwa West Village na Flatiron, pamoja na baadhi ya maeneo maarufu ya kupikia na kitamaduni ya jiji.

Occupying a prominent corner within the landmarked O'Neill Building, Penthouse B is a premier duplex residence that balances Gilded Age scale with contemporary architectural precision. Originally constructed in 1887 as a premier department store in the Ladies' Mile historic district, the building was reimagined into a collection of luxury residences that retain the soaring volumes of its cast-iron heritage. This trophy home spans 4,819 square feet of interior space, complemented by a triple-terrace outdoor program totaling over 2,500 square feet.

The Great Room serves as the residence's focal point, spanning 53 feet in length and framed by over 220 linear feet of windows. High ceilings and a dual southern and eastern exposure provide superlative natural light and panoramic views of the Manhattan skyline. The layout is currently configured as a three-bedroom home but was originally designed for four true bedrooms, allowing for significant flexibility in how the space is utilized.

A signature element of the property is the historic gold-coated Neo-Grec cupola. One of only a handful remaining in New York, this 43-foot high belfry can be converted into a private media room or home office, offering a 360-degree architectural experience. The kitchen is designed for high-capacity entertaining, featuring a large center island, Viking and Sub-Zero appliances, a butler's pantry, and a separate breakfast room.

The upper level is dedicated to the primary suite, providing a secluded sanctuary with an oversized spa bath and two walk-in dressing rooms. This level opens onto a private terrace, one of three expansive outdoor spaces that wrap the home. Additional features include a private service entry, a dedicated 250-square-foot storage unit adjacent to the apartment, and a laundry room.

The O'Neill Building is a full-service condominium offering a 24-hour doorman, concierge, and a 4,000-square-foot common roof deck with an outdoor kitchen. Located in the heart of Chelsea, the building provides immediate access to the West Village and Flatiron, as well as many of the city's most established culinary and cultural destinations.