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Business · Real estate · published 2026-10-08 · via The Real Deal

Macklowe Files Plans to Convert Madison Avenue Rental Into Condos

Image via The Real Deal
Image via The Real Deal

Macklowe Properties has filed permits to turn a 12-story, 33-unit rental at 809 Madison Avenue into a 14-story building with 12 condominiums. The project, also addressed at 30 East 68th Street, is estimated at $12 million and will include ground-floor retail. One upper-floor unit is planned with a private terrace, and Robert A.M. Stern and SLCE Architects are listed as architects.

Expanded Detail

Macklowe Properties has submitted permit filings for a residential conversion at 809 Madison Avenue. The existing 12-story building contains 33 rental units, and the proposal would create a 14-story structure with 12 condominiums. The site is also identified as 30 East 68th Street.

The estimated cost is $12 million. Plans call for ground-floor retail and one upper-floor residence with a private terrace. Robert A.M. Stern and SLCE Architects are named as architects on the project.

Context

The shift from 33 rentals to 12 condominiums could affect current tenants and future renters by reducing rental options at this address. It may also change the building’s street-level presence through ground-floor retail and create ownership opportunities for buyers. Neighborhood residents and local businesses could feel indirect effects as the property’s use evolves. How those effects unfold may depend on the conversion’s execution and market conditions.

Expanded detail and Context are AI-generated analysis; the linked article remains the authoritative source.
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This summary is Al-enhanced to contain extended analysis and broader social context. The original is {NAME); the linked article is the authoritative source. Original headline: “Harry Macklowe moves forward on latest condo project.” Browse more stories.