21 East 79th Street

Van Wart & Wein gave 21 East 79th Street a crisp Art Deco identity: a limestone-clad elevation over a polished granite base, a canopied entrance, and the disciplined, vertically emphasized massing of the period, with ornament kept deliberately spare so the material and proportion do the work. At fourteen stories and roughly 54,000 square feet across just fifteen apartments, the building averages well over 3,000 square feet per residence — among the largest per-unit footprints anywhere in the pre-war stock.

Because the layout is essentially one apartment per floor, homes here are full-floor (with a small number of variations), entered from a private elevator landing into a gracious foyer. Interiors carry the era's best features — high ceilings, separate dining rooms, defined bedroom wings, wood-burning fireplaces in many homes, and expansive principal rooms. The upper floors and penthouse enjoy open views toward Central Park and the city, and select homes have wrap or set-back terraces. This is full-floor pre-war living of the highest order.

21 East 79th Street operates as a full-service cooperative with attended entry and a resident superintendent, scaled to a small, high-touch shareholder base. With only fifteen apartments, the building is run with the intimacy and discretion that full-floor co-ops on this block are known for — staff who know every household, deliberate stewardship of the building's fabric, and a board focused on preserving the asset. Basement storage serves the residences. The building permits up to 50% financing and charges a 2% flip tax on resale, terms consistent with a prime pre-war full-floor cooperative.

A building of this size carries a concentrated budget, so capital decisions and the reserve posture matter; prospective purchasers review the financials and any planned capital work through the board-package process. The small shareholder count also means board admission is a serious, relationship-driven process.

Recent sales

Recent transfers at this building, curated by The Roebling Team research desk. Apartment-level facts are independently verified before publishing; sale prices reflect the recorded transfer amount at the NYC Department of Finance.

Market read. Most recent trades (2021) cleared a median $2,632/sf across 1 sale. Median listing discount 6.7% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.

Sales sourced from NYC Department of Finance recorded transfers (BBL 1-01491-0012) and verified listing data. Apartment-level facts (line, condition, asking-price context) curated and cross-verified by The Roebling Team research desk. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price; square footage on co-ops is not officially recorded, figures shown are approximate.

This is a prime full-floor cooperative, so the purchase runs through a rigorous board application and interview. Buyers should expect substantial financial scrutiny, strong post-closing liquidity expectations, and an admissions process that weighs fit as much as finances. The building permits financing up to 50% and applies a 2% flip tax paid on resale; pre-war full-floor co-ops of this caliber generally expect primary-residence ownership and discourage pied-à-terre and investor purchases. The reward for clearing that bar is rare: a full-floor Art Deco home on the museum block, with privacy, light, and a Central Park address that almost no new construction can replicate.

The selling story is scarcity and pedigree — a full-floor Art Deco residence by Van Wart & Wein, on the Metropolitan Museum block, with private-landing entry, wood-burning fireplaces, and one-per-floor light. That package belongs to a very small comparable set, and positioning against the right prime full-floor pre-war peers on Madison and Fifth is what sets and supports the price. Presentation matters at this level: a well-prepared, well-photographed full-floor home draws the qualified, board-ready buyer this building requires. We qualify financial and board fit early, because at this price tier the cost of a failed board application is high.

If you're evaluating 21 East 79th Street, these nearby Upper East Side pre-war cooperatives form a relevant comparison set:

• 136 East 79th Street — pre-war co-op on the same block corridor
• 156 East 79th Street — pre-war 79th Street cooperative
• 173 East 79th Street — pre-war co-op nearby on 79th
• 35 East 85th Street — Carnegie Hill pre-war cooperative
• 111 East 85th Street — pre-war Upper East Side co-op

The Roebling Team at Compass specializes in prime pre-war cooperatives across the Upper East Side, Madison and Fifth Avenues, and the museum-district blocks. We publish this profile because buyers and sellers of full-floor pre-war homes deserve building-specific intelligence — architecture, board posture, financing and flip-tax terms, and where pricing sits among a deliberately small set of peers. If you're considering a transaction at 21 East 79th Street, a confidential consultation is the right place to begin.