Exclusive | Inside the Upper East Sides most expensive rental building where prices reach $45K/month

Talk about movin’ on up to the East Side — and to a deluxe apartment in the sky.A new luxury rental tower on the Upper East Side is drawing tenants willing to pay as much as $45,000 a month — arriving at a moment when deep-pocketed apartment hunters in that area have almost nothing new to choose from, The Post has learned.The Langdon, a 24-story, 45-unit building at 288 E.88th St.

developed by Alchemy-ABR Investment Partners alongside the Carlyle Group, opened for leasing earlier this month and has already moved a chunk of its inventory off the market. Asking rents on available units run from roughly $12,400 for a two-bedroom to that $45,000 a month for penthouses unit spanning five bedrooms — making it the most expensive rental building in the neighborhood.Pricing on select apartments has already ticked up since the building’s initial launch.The residences themselves lean into that same quiet luxury sensibility.

Apartments across the one- to five-bedroom layouts favor oversized windows and thoughtful finishes throughout, with recessed lighting, smart climate systems and keyless entry built in as standard rather than upgrades.Kitchens are outfitted with custom cabinetry, quartz counters, integrated appliances and a dedicated wine fridge, while primary bathrooms lean spa-like, with oversized showers and heated floors.

A handful of full-floor penthouses and select residences with wraparound terraces push that further, blurring the line between indoor and outdoor space for tenants willing to pay for it.The building’s amenities lean into that scaled-down, high-touch pitch.Designed by Hill West Architects, the Langdon includes a fitness center, a multipurpose sports court, a children’s playroom, a media and gaming lounge, co-working space and a landscaped rooftop terrace, spread across a building with as few as two apartments per floor on most levels. Manhattan’s rental market has been historically tight all year.

Citywide vacancy sat at just under ...