70 East 77th Street

The building reads as a well-detailed example of the 1917 Lenox Hill type: a red-brick mid-block apartment house with a two-story-high terracotta entrance surround, stringcourses banding the façade, lunettes above the upper windows, and a scalloped cornice crowning the composition. It is restrained but considered — the work of an era that expressed quality through proportion and crafted detail rather than ornament for its own sake.

Inside, the 30 residences carry pre-war scale: high ceilings, well-proportioned rooms, and the gracious entry-and-gallery planning of the period. A standout feature is the presence of wood-burning fireplaces in apartments — an increasingly rare amenity in Manhattan and a genuine draw for buyers of pre-war homes. The mid-block siting between Madison and Park means light from the street and quiet interiors away from avenue traffic. Confirm each apartment's bedroom count and dimensions from its unit plan; the building-area-per-unit ratio does not establish the layout mix.

70 East 77th Street operates as a full-service pre-war cooperative scaled to its size: a full-time doorman, a bicycle room, and basement storage. For a 30-unit building, that staffing model provides doorman service without the carrying costs of a large amenity plant. Review the current budget, audited statements, debt and any assessments.

On house rules, the cooperative's terms are established: a 3% flip tax applies on sale, and the building permits financing up to 65% of the purchase price. The wood-burning fireplaces are a defining in-unit amenity. These are the concrete facts that shape both underwriting and resale here, and they sit comfortably within the norms of a prime Lenox Hill co-op.

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. $/sf is measured on the latest sales with reliable square footage (2025): a median $1,446/sf (recorded) across 2 sales. The building has traded as recently as 2026. Median listing discount 5.0% 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 1-01391-0045). 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.

This is a cooperative, so plan on a full board package, financial disclosure, and an interview. Two terms shape your numbers from the outset: the 3% flip tax at sale and the 65% financing cap, which means you should be prepared to put down at least 35%. Underwrite accordingly.

Beyond the financials, this is a buy-for-the-apartment building: pre-war scale, a wood-burning fireplace, and a quiet mid-block setting matter more than amenity breadth. The location is among the most desirable on the East Side — between Madison and Park, a short walk to Central Park, the Metropolitan Museum and Museum Mile, the Lexington Avenue and Second Avenue subways, and the Madison Avenue retail corridor. For a buyer who wants an intimate, full-service pre-war home in the center of Lenox Hill, this is precisely that.

Lead with the pre-war substance and the fireplace. Large, well-detailed apartments with working wood-burning fireplaces, in a boutique full-service co-op on a prime Madison-to-Park block, are exactly what the East Side pre-war buyer pursues — and a well-renovated home that preserves its original character commands a premium.

Price against the building's true peer set: the boutique pre-war cooperatives on the Madison-to-Park blocks of Lenox Hill, not the large amenity towers. Be ready to position the 3% flip tax and 65% financing terms candidly; serious buyers expect both and underwrite around them. The board process is standard for a small full-service co-op, and a strong, owner-occupant-minded buyer with the requisite down payment moves through it efficiently.

If you're evaluating 70 East 77th Street, also look at these Upper East Side buildings nearby:

• 175 East 77th Street — Lenox Hill building on the same street
• 201 East 77th Street — building a few blocks east
• 255 East 77th Street — a 2025 Upper East Side condominium
• 1004 Lexington Avenue — pre-war Lenox Hill cooperative
• 1091 Lexington Avenue — Upper East Side building