650 Park Avenue
650 Park Avenue, New York, NY 10065
Lenox Hill, Upper East Side
BBL 1013810038 · BIN 1041176
- Year built
- 1963
- Type
- Cooperative
- Units
- 98
- Floors
- 21
- Landmark
- Designated
- Pets
- Permitted (board approval)
- Flip tax
- 2 percent of gross sale price, buyer-paid
- Financing
- Up to 50% financeable (50% minimum down).
- Subletting
- Not permitted — an owner-occupancy building.
Compiled by The Roebling Research Desk from the building’s offering plan, amendments, and related building documents (primary source dated 2026). Board policies can change by amendment — confirm at the offer stage.
Every recorded sale at this building, 2003–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 2BR median
- $2.4M
- Recent range
- $840K – $3.1M
- Listing discount
- 8.0%
- Recorded transfers
- 94
650 Park Avenue is among the most architecturally distinctive mid-century cooperatives on Lenox Hill Park Avenue and one of the corridor's substantial post-war commissions. Completed in 1963 by Kokkins & Lyras — a New York firm that specialized in mid-century luxury East Side residential construction, with additional Manhattan work at 16 Sutton Place — the 21-story building replaced the Sulgrave Hotel, the early-20th-century hotel where the engagement of Patricia Kennedy and Peter Lawford was announced. The building sits at the southwest corner of Park Avenue and East 67th Street, directly across Park Avenue from the Seventh Regiment Armory (the 1880 landmark Charles W. Clinton design that anchors the corridor's military and civic identity).
The white-glazed-brick façade places 650 Park in the broader white-brick mid-century Manhattan residential tradition — the architectural register that defined a substantial share of post-war Park Avenue and Upper East Side luxury construction across the 1955–1975 building cycle. The 98-apartment scale and the building's full-service operational program produce a structurally distinct cooperative identity within the broader Park Avenue corridor.
The cooperative policy framework is calibrated to a more accessible buyer pool than the surrounding pre-war Park Avenue trophy tier. The 50 percent maximum financing, the 2 percent buyer-paid flip tax, the pet-friendly framework, and the case-by-case pied-à-terre allowance produce a structurally more permissive transaction structure than peer trophy pre-war cooperatives — calibrated to a buyer pool that may include pied-à-terre users, family-supported buyers, and primary residents who prioritize the corridor address at materially more accessible pricing than the surrounding pre-war inventory.
Architecture and unit composition
The 98 cooperative apartments distribute across the building's 21 stories in configurations ranging from one-bedroom apartments through three-bedroom configurations. Apartment scale is calibrated to the mid-century building cycle — substantial layouts with the layout discipline characteristic of 1960s Park Avenue construction, including generous ceiling heights for the era, formal entry arrangements, and balcony exposures on select units.
public records data places recent average closings at approximately $1,175 per square foot, with the building's standard one-bedroom inventory in the $1.15 million range and three-bedroom configurations in the $3.75 million range. Late 2025 active inventory has run from approximately $1.15 million through $3.75 million across the building's four-listing float.
Building operations
650 Park operates as a full-service cooperative with 24-hour doorman, concierge, and live-in resident manager. The amenity infrastructure includes a full-service on-site garage with reduced rates for shareholders, a fitness center, a rooftop terrace, and private storage. All utilities are included in maintenance — a meaningful structural feature for True Monthly Carrying Cost analysis, since the maintenance level reflects this pass-through. ## What to know if you're buying at 650 Park
The cooperative policy framework is structurally accessible. 50 percent maximum financing, 2 percent buyer-paid flip tax, pet-friendly, pied-à-terre case-by-case — together produce a more accessible transaction structure than peer pre-war Park Avenue trophy cooperatives.
The utilities-included maintenance structure is meaningful. True Monthly Carrying Cost calculations should reflect that gas, electric, and water are bundled into maintenance.
The on-site garage is a real amenity. Park Avenue parking is structurally constrained; building-owned parking with shareholder reduced rates is meaningful.
The Seventh Regiment Armory directly across Park Avenue is a landmark view feature. Park Avenue-facing apartments look across the avenue to the 1880 Clinton building — a real view amenity protected by the Armory's landmark status.
Verify operational specifics during due diligence. Specific board approval requirements, sublet duration limits, post-closing liquidity requirements, and the current capital project pipeline should be confirmed against current management documents.
Closing timelines are cooperative-standard. Plan for 6–10 weeks from contract through board approval to closing.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $0 (under cap)
- Per unit / month range
- —
Facade safety — Local Law 11
The latest available filing classified the facade as Unsafe — conditions requiring corrective action, which under FISP means a protective sidewalk shed and repairs. Review the subsequent filings, the repair status, and the building’s board and financial materials — we pull the repair scope and funding picture for you.
QEWI = Qualified Exterior Wall Inspector — the licensed engineer the city requires to sign the report (the independent expert, not the managing agent). Source: NYC DOB facade filings (FISP) · The Roebling Research Library.
See the full facade history →Management & transfer contacts
- Sublet policy
- Not allowed
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.
| Date | Unit | Apartment | Price | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Jun 16, 2026 | 9A | 1 BR · 1.5 BA · 940 sf | $1,100,000 | $1,170/sf | -4.3% |
| May 11, 2026 | 11 | 2 BR · 2.5 BA · 2,500 sf | $3,150,000 | $1,260/sf | -2.9% |
| May 5, 2026 | 10D | 2 BR · 2.5 BA | $1,900,000 | -9.5% | |
| Mar 12, 2026 | 14D | 2 BR · 2.5 BA · 1,643 sf | $2,900,000 | $1,765/sf | -8.7% |
| Mar 5, 2026 | 14F | 3 BR · 3.5 BA · 2,100 sf | $2,400,000 | $1,143/sf | -3.0% |
| Jan 22, 2026 | 16D | 2 BR · 2.5 BA · 1,675 sf | $2,200,000 | $1,313/sf | -8.3% |
| Jan 15, 2026 | 6C | 2 BR · 2.5 BA · 1,500 sf | $1,800,000 | $1,200/sf | -7.7% |
| Oct 1, 2025 | 11E | 1 BR · 2 BA · 1,300 sf | $1,550,000 | $1,192/sf | -8.8% |
Market read. Most recent trades (2026) cleared a median $1,211/sf across 5 sales. Median listing discount 5.7% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Other recent transfers
| Date | Unit | Price |
|---|---|---|
| Mar 18, 2004 | 5E | $895,000 |
| Oct 15, 2003 | 20A | $1,495,000 |
Full closing history with price-per-square-foot over time, the complete retrade record, and every line that has traded.
Sales sourced from NYC Department of Finance recorded transfers (BBL 1-01381-0038) 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.
What to know if you’re selling
Marketing should emphasize the policy framework and the utilities-included structure. Both produce structural value advantages over peer pre-war cooperative inventory on the corridor.
Pricing should reference recent comparable closings. public records,175 per square foot building average provides a baseline; apartment-line-specific comparables should anchor positioning.
Closing timelines are cooperative-standard.
Comparable buildings
If you're considering 650 Park Avenue, also evaluate:
- 700 Park Avenue — Kahn & Jacobs 1959; immediate post-war Park Avenue peer
- 750 Park Avenue — pre-war Park Avenue peer with full-service operational program
- 800 Park Avenue — pre-war Park Avenue peer
- 45 Park Avenue — Murray Hill condominium peer
- The Carlton Park (1065 Park Avenue) — Lyras 1969–73; the second Kokkins & Lyras Park Avenue cooperative
The neighborhood
For the full corridor — architecture, schools, transit, and pricing across Park Avenue — read The Roebling Team Guide to Park Avenue.
The full playbook — what goes in the package, how boards read your financials, the interview, and the timeline — plus sample cover, reference, and personal letters you can adapt.
Considering a move at 650 Park Avenue?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 650 Park Avenue would likely sell for today, what it costs to sell, and what you’d walk away with — reviewed personally against condition, exposures, renovation quality, and the competition actually on the market.