173 East 79th Street

The building belongs to the wave of speculative pre-war apartment houses that filled in the side streets between Lexington and Third in the second half of the 1920s. The vocabulary is sober and masonry-first: a stone-faced base, brick shaft, and modest cornice line, designed to read as a dignified neighbor rather than to announce itself. It is architecture meant to age well, and it has — the elevations remain clean and the proportions intact nearly a century on.

Inside, the apartments carry the hallmarks buyers come to pre-war for: beamed or high ceilings, separate kitchens, gracious entry foyers, and the solid sound isolation that comes from thick floors and masonry partitions. With roughly 60 homes across 15 stories, the building runs a mix from well-scaled one- and two-bedrooms to larger family layouts, several of which have been combined or renovated over the decades. Many residences retain original detail — moldings, hardwood floors, and the deep windowsills characteristic of the period — while updated kitchens and baths vary unit to unit.

173 East 79th Street operates as a full-service cooperative. The lobby is attended, elevator service runs to all floors, and a resident superintendent manages day-to-day building systems. Shared infrastructure includes a central laundry room, basement storage, and bicycle storage — the practical amenity set that matters in everyday pre-war living.

As a cooperative, purchases here are subject to board review and an admissions package and interview, and ownership carries the shared-equity structure of co-op living: monthly maintenance covers the building's underlying mortgage, real-estate taxes, staff, heat, and reserves. Buyers should expect a board posture consistent with an established Upper East Side co-op — primary-residence orientation, customary financing limits, and a sublet policy structured to keep the building owner-occupied. We help buyers read the building's current rules and financials so there are no surprises at the package stage.

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 (2026) cleared a median $1,773/sf across 1 sale. Median listing discount 5.7% 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 1-01508-0027) 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.

The case for 173 East 79th Street is straightforward: a genuine full-service pre-war co-op on a top Lenox Hill block, priced below the Fifth and Park corridors. Budget for the co-op fundamentals — board approval, a documented financial package, an in-person interview, and maintenance that reflects a fully staffed building. Confirm the specifics of the current financing limit, sublet terms, and any flip tax as part of your offer strategy; these set the building's resale liquidity and should shape what you pay. Renovation-ready apartments here can be excellent value for a buyer prepared to invest, given the underlying pre-war bones.

A sale here is sold on location, staffing, and pre-war quality at a sensible price point. The block's transit and retail convenience is a concrete, repeatable selling point — name the 6 and Q trains, the crosstown bus, and the everyday retail at the door. Renovated homes should be benchmarked against the better Lenox Hill pre-war inventory; unrenovated homes should be priced honestly against their nearest in-building and on-block comparables. A clean, well-prepared board package and realistic pricing move apartments fastest in this building; we manage both, and position the listing against the right comparable set rather than the trophy stock that doesn't apply.

If you're weighing 173 East 79th Street, also look at these nearby East 79th Street and Upper East Side cooperatives:

• 136 East 79th Street — pre-war cooperative on the same corridor toward Park
• 180 East 79th Street — full-service co-op directly across the street
• 229 East 79th Street — East 79th Street cooperative toward the east
• 50 East 79th Street — pre-war co-op closer to Madison
• 333 East 79th Street — full-service East 79th Street building toward the east

The Roebling Team at Compass specializes in the Upper East Side, Lenox Hill, and the broader pre-war cooperative market. We publish this profile because buyers and sellers evaluating a building like 173 East 79th Street deserve building-specific intelligence — how the co-op operates, where the pricing sits against the right comparables, and what the board process actually demands. If you're considering a purchase or sale here, a 30-minute consultation is the right starting point.