- Year built
- 1960
- Type
- Cooperative
- Units
- 125
- Floors
- 12
- Landmark
- No
- Amenities
- Landscaped roof deck, on-site parking garage, upgraded central laundry, storage, bike room; elevators recently modernized per listing records
- Pets
- Listing records indicate a no-pets policy — verify current policy with the managing agent
- Financing
- Not firmly documented in public records — verify current requirements at offer stage
The most important fact about 315 East 70th Street is one most listing descriptions never mention: this building converted to cooperative ownership in 1986 as a leasehold — the apartment corporation owned the building but not the land under it — and then fixed the problem. City records show the fee passing through two intermediate owners after a 1985 bank deed before the apartment corporation itself took title by deed recorded in June 1992. Leasehold co-ops trade at structural discounts and carry rent-reset risk for decades; this cooperative bought its way out of that category more than thirty years ago. For buyers comparing post-war Lenox Hill stock, that history — fully documented in the offering plan and amendments on file in The Roebling Research Library — is the difference between a clean asset and a complicated one, and here the answer is clean.
The building itself is a 12-story, 125-unit white-brick co-op of the 1960 vintage that defines this part of Lenox Hill, with a detail architectural records genuinely admire: short stainless-steel pylons with porthole light fixtures lining the sidewalk landscaping, a mid-century flourish that has had few imitators in Manhattan. It is nearly a twin of 310 East 70th Street across the street — a relationship that runs deeper than the facade, since the conversion-era amendments on file disclose that affiliates of this building's sponsor also held positions in the 310 East 70th cooperative.
The micro-location does quiet, durable work. East 70th Street is a tree-lined block within walking distance of the East Side's medical institutions — Weill Cornell, HSS, and Memorial Sloan Kettering anchor the employment base that keeps Lenox Hill rental and resale demand deep — and the Q at 69th Street and Second Avenue rewired the corridor's transit access when it opened, with the 6 at 68th/Lexington a few blocks west. A full-service building with a landscaped roof deck and its own garage, on this block, at post-war pricing, is a rational asset.
Architecture and unit composition
The building rises 12 floors across a 175-foot lot front, with the consistent fenestration, canopy entrance, and stainless-steel marquee detailing typical of the better 1960 white-brick houses. The 125 apartments run from studios through two-bedrooms, with three-bedroom spreads created by combination — recent listing records show renovated units with wide-plank oak floors, recessed lighting, and crown moldings alongside original-condition estate stock. One ground-floor unit was carried on the certificate of occupancy as a doctor's office at conversion, with the sponsor obligated under the amendments to regularize its residential use — a familiar Lenox Hill pattern. Upper-floor south and north exposures over the low side-street context carry the light premiums.
Building operations
Full-service: 24-hour doorman and staff, live-in resident manager, on-site garage (roughly 3,900 square feet per city records), upgraded central laundry, storage, bike room, and a landscaped roof deck — an amenity many peer buildings of this vintage lack. The elevators have been modernized in recent cycles per listing records. The offering plan, amendments 1–34, and board-package materials are on file in The Roebling Research Library; current financial statements should be requested through the managing agent during diligence.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $68,744/yr
- Per unit / month range
- $0 – $46
Recent sales
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Recent transfers at this building, sourced from NYC Department of Finance records. Apartment-level detail (line, condition, asking-price context) verified upon consultation request.
| Date | Unit | Price |
|---|---|---|
| Dec 12, 2025 | 9A | $920,000 |
| Sep 24, 2025 | 6H | $1,330,000 |
| Jul 23, 2025 | 1F | $572,000 |
| Jan 31, 2025 | 5L | $840,000 |
| Jan 10, 2025 | 9F | $1,255,000 |
| Nov 12, 2024 | 5A | $760,000 |
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 1-01445-0007) 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.
What to know if you’re buying
The land question is answered — make your attorney confirm it anyway. The 1986 plan converted a leasehold; the 1992 deed put the land in the cooperative's hands per city records. Your attorney should verify the current fee position as standard diligence, but buyers should not price this building as a land-lease co-op. It is not one.
Read the conversion file. Thirty-four amendments are on file with us, documenting sponsor finances, the 1991 handover of board control, and the doctor's-office regularization. Few buildings this size have a paper trail this complete; use it.
The policy stack is thinly documented publicly. Financing limits, sublet rules, any flip tax, and the no-pets indication in listing records all need confirmation with the managing agent before offering. Run the Co-op Board Qualification Calculator once terms are confirmed.
Garage and roof deck are the differentiators. Among 1960-vintage side-street co-ops between First and Second, on-site parking and a landscaped roof deck are far from standard. If either matters to you, the peer set narrows quickly.
Price the transit shift. The Q at 69th and Second materially changed this block's connectivity; older comparable sales predate it. Same-line history from before 2017 understates the location.
What to know if you’re selling
Lead with the clean structure. "Post-war co-op that owns its land, with garage and roof deck" is a stronger opening than square footage. Buyers' attorneys in this market screen for land-lease risk; surface the answer before they ask.
Position against the near-twin and the avenue stock. Your buyer is cross-shopping 310 East 70th and the surrounding white-brick set. Differentiate on the specifics — roof deck, garage, elevator modernization, renovation level — rather than on neighborhood generalities.
Condition spread is wide; price to it. Renovated units with new kitchens and oak floors clear at premiums; estate units clear when the ask reflects renovation math. Run the Renovation Cost Calculator before setting strategy.
Comparable buildings
If you're considering 315 East 70th Street, also evaluate:
- 310 East 70th Street — the near-twin across the street, with shared conversion-era sponsor affiliations per the amendments on file
- 301 East 69th Street — full-service post-war co-op one block south
- 233 East 69th Street — comparable post-war co-op toward Second Avenue
- 360 East 72nd Street — larger full-service post-war co-op two blocks north
- 420 East 72nd Street — post-war co-op alternative east of First Avenue
- 220 East 73rd Street — comparable mid-block post-war co-op
- 200 East 74th Street — corner post-war co-op at Third Avenue; the step-up in scale
- 160 East 65th Street (The Phoenix) — the higher-amenity post-war alternative to the south
The Roebling Team at 315 East 70th Street
The Roebling Team at Compass works Lenox Hill and the broader Upper East Side as a core practice area. We publish this building profile because buyers and sellers at 315 East 70th Street deserve building-specific intelligence — the leasehold-to-fee history, conversion documentation, and policy framework — not generic neighborhood commentary.
If you're considering a transaction at 315 East 70th Street, a 30-minute consultation is the right starting point.