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 original details that vary by apartment; sound isolation requires assessment of the actual assemblies, alterations and neighboring conditions. 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. The building's documented maximum financing is 70% of the purchase price; confirm its current occupancy, pied-à-terre and sublet requirements from the governing documents and application instructions. 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, from The Roebling Research Library. Prices are the transfer amounts recorded with the NYC Department of Finance; apartment-level detail is checked against the building’s own file in The Roebling Research Library before publishing.

Market read. Most recent trades (2026 to date) cleared a median $928/sf (recorded) across 1 sale. Median listing discount 5.1% 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). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. 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 full-service prewar co-op in Lenox Hill whose price should be compared with specific Fifth and Park corridor sales. 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 affect eligibility, costs and permitted use, while their market effect requires sale evidence. Evaluate renovation-ready apartments using inspections, work estimates and relevant comparable sales.

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. Prepare the board materials and support the asking price with relevant comparable sales; neither step establishes the fastest sale or excludes other buildings from consideration.

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 — co-op closer to Madison; compare its construction history and layouts
• 333 East 79th Street — full-service East 79th Street building toward the east