$80,000,000

A one-of-one on New York's Upper East Side. Set behind mirrored Horus bronze entry doors on one of the city's most immaculate streets, 165 East 70th Street is a landmarked limestone Neo-Italian Renaissance carriage house, built exceptionally wide (33 by 100 feet) in 1902 by C.P.H. Gilbert for banker Henri… Read More P. Wertheim. Reimagined in 1920 as a garage and chauffeur's quarters for Singer heir Stephen C. Clark, and later used by Paul and Bunny Mellon as a private garage. In 2011, the residence reached its full potential, becoming a twenty-room, 15,978-square-foot residence, designed with sophisticated style, bathed in natural light, and finely tuned with intention to everyday living.The no-expense-spared renovation by Sawyer Berson features quarter-sawn hand-pillowed oak floors, custom Holland & Sherry wallpapers, Sahco drapery, Brunschwig & Fils fabrics, and Armani, Ralph Pucci, and Allison Berger lighting. Preconstruction steel beams, including cross-braced X-formations, reinforce five stories rising above the cellar around a wrought iron and limestone staircase climbing 46 feet to the skylight.Entry floor: A honed Beauvallon limestone-lined stair hall and foyer, security and staff offices, primary elevator access, a custom mudroom, and a 13-seat soundproof theater. A curb-cut driveway leads to a one-car Petit Granit-floored garage that doubles as an entertaining space with bronze and glass-paned limestone walls. Private guest quarters include a full kitchen, living area, and primary ensuite.Second floor: A living room with tempered glass windows over 70th Street, a glass-enclosed dining room with custom Lockwood/Boone Collection pendants and sconces, and an eat-in chef's kitchen with a quartzite island, American White Oak-paneled Sub-Zero, Miele, and Wolf appliances, and a walk-out eating terrace. Each room has a wood-burning fireplace. A butler's pantry with a wet bar connects to a pass-through second elevator.Third floor: A dark Sapele Mahogany-paneled library with fireplace and pocket stained-wood blinds. The primary suite fills the north half of the floor, with his-and-hers custom dressing rooms (ebony and solid maple), a walk-in seasonal storage closet, and mirrored marble baths in Nero Marquina and Thassos with Waterworks fittings.Fourth floor: Three ensuite bedrooms, one with a wheelchair-accessible shower, open onto a 598-square-foot irrigated terrace. A playroom and study are pre-plumbed to convert into a mirror of the primary guest suite.Fifth floor: His-and-hers soundproof offices with custom millwork flank a Petit Granit-floored solarium with automatic UV shades, plus a powder room, wet bar, and mechanical rooms for A/C, radiant flooring, and backup generator. The crowning touch is a private 480-square-foot rooftop terrace with custom landscaping by Verdant NY.In all, six bedrooms, 13 bathrooms, six wood-burning fireplaces, three landscaped terraces, and a solarium, with heated floors running from the kitchen to the terraces and sidewalks.Below grade: A double-height cellar holds a Petit Granit-lined Jacuzzi/cold plunge, steam room, sauna, and massage room, plus a full gym walled and tiled in original two-inch virgin chestnut and mitered tile salvaged from the horse ramps. A temperature-controlled 6,319-bottle wine cellar and a prep kitchen/laundry keep service separate from entertaining.Moments from Central Park and the Frick Collection, and across from the New York School of Interior Design, in School District 2 (PS 267; JHS 167 Robert F. Wagner). New condensers with full access, and a new roof are complete, with photo and video documentation of the walls preserved. Also featured: Intellitech security, cameras and alarmed doors, a bulletproof front door, Arista AG150 HVAC, nvent/Raychem Snowmelt on the roof and sidewalks, and a Generac generator. 165 East 70th Street is now ready for a new chapter, a fifth owner to steward it into its next era. Read Less

Listing Courtesy of: Michael Fabbri, The Agency Brokerage

Listing Snapshot

Days Online

Last Updated

Oct 10, 2026

Property Type

SingleFamilyResidence

Beds

Full Baths

Partial Baths

Square Ft.

15,978

Year Built

1910

MLS Number

RLS20120274

Additional Details

Appliances & Equipment

Dishwasher, WasherDryerAllowed

Building

Built in 1910, Living area: 15978.0, Living area units: SquareFeet, 1 storey, Entry level: 1

Cooling

Zoned

Exterior Features

Patio/Porch Features: Deck, Patio, Terrace, WrapAround, Balcony, Rooftop, Balcony, Garden, PrivateOutdoorSpaceOver60Sqft

Fireplaces

6 fireplaces, Bedroom, Den, Kitchen, Library

Garage

1 spaces

Interior Features

HighCeilings, SmokeFree, Storage, WalkInClosets

Laundry

WasherHookup, InUnit

Lot

Dimensions: 100.00x32.00

Parking

Assigned, Garage

Pets Policy

Allowed: BuildingYes, No

Pool

BuildingNone

Taxes

Parcel Number: 1405-0028, Annual Amount: $204,408, Tax Block: 01405, Lot: 0028

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