435 East 65th Street
435 East 65th Street, New York, NY 10065
Lenox Hill, Upper East Side
BBL 1014600017 · BIN 1045397
- Year built
- 1963
- Type
- Cooperative
- Units
- 120
- Floors
- 14
- Landmark
- No
- Amenities
- Full-time doorman, live-in superintendent with porter and handyman staff, landscaped roof deck with East River and midtown-skyline views, planted resident courtyard/garden, on-site garage (waitlist), central laundry, bike room, private storage
- Pets
- Verify current policy with the managing agent
- Financing
- 75 percent maximum per listing records
Every recorded sale at this building, 2003–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 1BR median
- $505K
- Recent range
- $423K – $1.4M
- Listing discount
- 2.7%
- Recorded transfers
- 129
435 East 65th Street is the kind of building that does not advertise itself: a 1963 white-brick cooperative on a quiet mid-block between First and York Avenues that competes on fundamentals — light, staff, low carrying costs, and a policy framework more flexible than most of Lenox Hill. The block matters more than the facade. The buildings across the street are low-rise, which gives the co-op protected light and air rare for a mid-block address, and the surrounding corridor is anchored by some of the most durable demand generators in the city: Memorial Sloan Kettering, the Hospital for Special Surgery, NewYork-Presbyterian/Weill Cornell, and Rockefeller University are all within a few blocks. That institutional gravity has supported this segment of Lenox Hill through every market cycle.
The conversion history is fully documented in The Roebling Research Library, which is not true of most buildings in this tier. The offering plan — dated July 19, 1983, sponsored by 435 Apartment Co. — allocated 33,443 shares across 119 apartments and ran as an eviction-type plan under the tenant-protection procedures of the era. Twelve amendments follow the plan through October 1991, and they tell the story of the late-1980s market in miniature: certified financial statements and budgets attached year by year, a list of unsold shares still held by the sponsor in 1989, and, in the twelfth amendment, sponsor financing of 90 percent at 6.9 percent offered on vacant apartments — the kind of inducement sponsors used to move inventory after the 1987 crash. For a buyer's attorney, this is an unusually complete paper trail.
What distinguishes the building for buyers today is the policy stack: 75 percent financing, pieds-à-terre, co-purchasing, gifting, and guarantors all documented as permitted, sublets allowed with board approval — and no flip tax per listing records. In a neighborhood where boards routinely impose 30–50 percent down and multi-percent transfer fees, that combination materially widens who can buy here and what sellers net on exit.
Architecture and unit composition
The building rises 14 floors per city records in post-war white brick, with a canopied step-down entrance framed in dark wood and sidewalk planting. The roughly 120 apartments run from studios through two-bedrooms, with penthouse lines above; the share schedule in the offering plan shows the original mix concentrated in 2.5-to-3-room units, and combinations have since produced larger spreads — a two-bedroom combination traded in early 2025. One-bedrooms in the A line run around 825 square feet per listing records, generous for the vintage. Upper floors on the south and east catch river light; the roof deck carries the building's signature views — the East River and bridges one way, the midtown skyline and Chrysler Building the other.
Building operations
Full-service and run lean: full-time doorman, live-in superintendent, porters and handymen, central laundry, bike room, and private storage. The two outdoor assets — the landscaped roof deck and the planted resident courtyard — are the amenity story, and the on-site garage (waitlist per listing records) is a practical rarity on a mid-block in the East 60s. Maintenance is repeatedly characterized in listing records as low for a doorman co-op of this scale, and the building is described as financially sound with no standing assessments in recent listing records — both points your attorney should confirm against current financials during diligence. The offering plan and amendments are on file in The Roebling Research Library.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $12,111/yr
- Per unit / month range
- $0 – $8
Facade safety — Local Law 11
The latest available FISP filing classified the facade as Safe — no repairs were required at that inspection. Facade inspections run on a fixed five-year cycle; future inspection, repair, and any assessment decisions remain building-specific.
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
- Flip tax
- None stated (NYS stamp tax $0.05/share only)
- Sublet policy
- Allowed, no more than 2 years out of any 5-year period; applications due 5 weeks before lease start. Sublease fee $2,000/year
- Pied-à-terre
- Permitted
- Notable fees
- Application processing $700; move-in/move-out fee $1,000 each; closing fee $600. Max financing 75%
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 |
|---|---|---|---|---|---|
| May 28, 2026 | PHA | 1 BR · 1 BA · 900 sf | $675,000 | $750/sf | -3.4% |
| Apr 20, 2026 | 3K | 1 BR | $499,000 | +0.0% | |
| Mar 2, 2026 | 3G | 1 BR · 1 BA | $510,000 | +2.9% | |
| Feb 2, 2026 | 4A | 1 BR · 1 BA | $499,999 | -2.0% | |
| Dec 10, 2025 | 10C6D5H | 3 BR · 3 BA | $555,000 | -30.6% | |
| Sep 19, 2025 | 2CD | 3 BR · 2 BA | $1,050,000 | -12.1% | |
| Feb 4, 2025 | 9A | 1 BR · 1 BA · 825 sf | $530,000 | $642/sf | -3.5% |
| Feb 3, 2025 | 6B | 1 BR · 1 BA | $422,500 | -7.1% |
Market read. Most recent trades (2026) cleared a median $750/sf across 1 sale. Median listing discount 3.3% 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 |
|---|---|---|
| Apr 13, 2023 | 7D | $500,000 |
| Jul 26, 2017 | 14B | $1,300,000 |
| Oct 20, 2003 | 6B | $219,000 |
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 1-01460-0017) 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 buying
The policy framework is the headline. 75 percent financing, no flip tax, and a permissive posture on pieds-à-terre, co-purchasing, gifts, and guarantors is a rare stack for Lenox Hill. If your situation involves any structure — parents buying with children, a gifted down payment, a secondary residence — this building's framework accommodates what many neighbors' boards will not. Run the Co-op Board Qualification Calculator before offering.
The hospital corridor cuts both ways. Institutional demand from MSK, HSS, Weill Cornell, and Rockefeller University underpins resale and sublet demand, but it also means construction cycles and ambulance routes are part of the neighborhood. Walk the block at different hours.
Transit is the trade. The Q at 72nd and Second and the F at 63rd and Lexington serve the corridor, but the mid-First-to-York location prices in a longer walk than Lexington Avenue addresses. The crosstown M66 and the FDR access are the compensations.
Light is line-specific. The low-rise streetscape opposite protects mid-floor light unusually well for a mid-block building, but exposures vary by line. Confirm the specific unit's outlook rather than pricing the building average.
Verify the soft-documented items. Pet policy, current sublet terms and fees, and the garage waitlist are thinly documented publicly. We verify against the documents on file and the managing agent during diligence.
What to know if you’re selling
Market the carry and the exit math. Low maintenance plus no flip tax is a quantifiable seller advantage — your net and your buyer's monthly both beat the neighborhood's headline-fancier alternatives. State the numbers plainly in the listing.
Your buyer pool is wider than the default Lenox Hill pool. The financing and structure flexibility brings in first-time buyers, parents purchasing with children, and pied-à-terre buyers who are screened out of stricter buildings nearby. Marketing should name the policies explicitly.
Condition honesty wins at this price point. The building's trades split between renovated and original-condition units, and the renovation math is visible to every buyer. Price to condition and line — run the Renovation Cost Calculator against your asking strategy.
Comparable buildings
If you're considering 435 East 65th Street, also evaluate:
- Manhattan House (200 East 66th Street) — the landmarked white-brick original one block northwest; the prestige step-up in the same post-war vocabulary
- 160 East 65th Street (The Phoenix) — the full-service post-war alternative west of Third Avenue
- 333 East 66th Street — comparable post-war full-service co-op two blocks north
- 301 East 64th Street (The Regency East) — post-war co-op peer in the same price tier
- 425 East 63rd Street (The Royal York) — large full-service co-op two blocks south
- 405 East 63rd Street — the close-by co-op alternative toward York Avenue
- 440 East 62nd Street (The Park Sutton) — the York Avenue corner co-op three blocks south; similar tier with river views and a garage
- 340 East 64th Street — post-war co-op peer between First and Second Avenues
The neighborhood
For the full corridor — architecture, schools, transit, and pricing across Upper East Side — read The Roebling Team Guide to Upper East Side.
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 435 East 65th Street?
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 435 East 65th Street 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.