
625 Park Avenue
625 Park Avenue, New York, NY 10065
Lenox Hill, Upper East Side
BBL 1014000001 · BIN 1042414
- Year built
- 1929
- Type
- Cooperative
- Units
- 29
- Floors
- 14
- Landmark
- Designated
- Subletting
- Permitted with Board approval. Short-term rentals and AirBnB are not permitted.
- Pied-à-terre
- Not permitted.
- Washer / dryer
- Not permitted (central laundry).
- Pets
- Permitted, subject to Board approval.
- Co-purchasing
- Permitted. Parents purchasing for children not permitted.
- Guarantors
- Not permitted.
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.
625 Park Avenue is a J.E.R. Carpenter cooperative commissioned by banker Louis Graveraet Kaufman, built 1929–1931 at the absolute apex of the pre-Depression Park Avenue construction cycle. Carpenter is the architect who, more than any other, established the typology of the modern Park Avenue and Fifth Avenue luxury apartment building. The firm's broader portfolio includes 580 Park, 635 Park, 950 Park, 825 Fifth, 907 Fifth, and 988 Fifth, among additional Fifth Avenue and Park Avenue commissions.
What distinguishes 625 Park within the Carpenter portfolio is the materiality and scale. The building is entirely limestone-clad — the limestone elevation continues across the full height rather than transitioning to brick above the base, which is the more typical Park Avenue elevation. This is the more expensive treatment and was reserved for the highest tier of pre-war apartment work. The 29-apartment count is also unusually small for a 14-story building of the era, producing apartment configurations that are larger and fewer than the typical 1929-vintage Park Avenue cooperative.
The building is individually landmarked — a designation reserved for buildings whose architectural and historical significance the Landmarks Preservation Commission has determined warrant individual protection beyond the broader Upper East Side Historic District. The Kaufman commission and the all-limestone elevation are central to that designation.
The 1929–1931 construction window places 625 Park in the same exact cycle as the absolute apex of pre-war Park Avenue luxury — 720 Park (Candela / Cross & Cross 1929), 740 Park (Candela / Cross & Cross 1930), 770 Park (Candela 1929), 778 Park (Candela 1931), 1185 Park (Schwartz & Gross 1929). 625 Park sits within that peak vintage with a particular combination of attributes — Carpenter authorship, all-limestone elevation, 29-apartment scale, banker-developer provenance, individual landmark status — that no peer fully replicates.
For buyers, 625 Park represents a specific tier of Lenox Hill Park Avenue inventory: Carpenter authorship at the apex of his Park Avenue work, materially superior all-limestone construction, individually landmarked, and 29-apartment scale producing limited annual turnover.
Architecture and unit composition
The 29 apartments span configurations weighted heavily toward larger 4–5+ BR layouts across the 14 stories — the unit count relative to the building's gross floor area implies apartment dimensions materially larger than the typical 1929-vintage Park Avenue cooperative. The building's most architecturally distinctive apartments are the upper-floor full-floor configurations and the lower-floor maisonettes where applicable.
Carpenter's signatures throughout: 10–11 foot ceilings in primary rooms, formal entry galleries, library-living room combinations, primary suites with substantial closet infrastructure, service wings characteristic of staffed 1920s service.
The all-limestone elevation continues into the lobby and public spaces, with classical detailing executed at the construction-quality peak of the immediate pre-Depression era.
Park Avenue-facing apartments on the western flank look across to the Park Avenue median plantings and the buildings on the avenue's west side.
Building operations
625 Park Avenue operates as a full-service pre-war cooperative with full-time doorman, attended elevator, on-site superintendent, and private storage. The 29-apartment scale produces unusually low institutional density and very limited annual turnover.
Specific policy details (financing posture, flip tax structure, sublet policy specifics, pied-à-terre allowance) should be confirmed directly with property management during due diligence. The board posture follows tier-one Lenox Hill pre-war norms.
Local Law 97
- 2024–2029 annual penalty
- $20,284/yr
- 2030–2034 annual penalty
- $102,105/yr
- Per unit / month range
- $53 – $266
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
- Sublet policy
- Allowed
- Pied-à-terre
- 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 1, 2023 | 5A | 3 BR · 5.5 BA · 5,119 sf | $14,200,000 | $2,774/sf | -2.1% |
| Jun 9, 2022 | 2A | 2 BR · 3.5 BA | $5,387,500 | -10.1% | |
| Jan 14, 2022 | 1AD | 3 BR · 5.5 BA · 5,025 sf | $9,150,000 | $1,821/sf | -28.2% |
| Jan 14, 2022 | 1AD | 5 BR · 5.5 BA · 5,025 sf | $12,250,000 | $2,438/sf | -23.2% |
| Feb 16, 2016 | 6A | 4 BR · 4 BA · 5,300 sf | $13,000,000 | $2,453/sf | -21.2% |
| Oct 1, 2013 | 2D | 1 BR | $1,825,000 | -2.7% | |
| May 17, 2012 | 9A | 4 BR | $17,250,000 | -11.5% | |
| Oct 13, 2011 | 4 | 6 BR · 7.5 BA | $25,000,000 | -20.6% |
Market read. Most recent trades (2023) cleared a median $2,774/sf across 1 sale. Median listing discount 11.5% 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 1-01400-0001) 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 Carpenter authorship and the all-limestone elevation are the architectural anchors. Carpenter's Park Avenue / Fifth Avenue portfolio defines the typology; the all-limestone construction at 625 Park represents the highest material tier within that portfolio.
Individual landmark status matters for renovation planning. Exterior changes require LPC approval and interior renovations should be reviewed for any landmark implications. The constraint is real but well-understood and not unusual for tier-one Park Avenue inventory.
The 29-apartment scale produces a particular transaction pattern. Fewer apartments mean fewer comparables, longer holds, and a higher share of off-market transactions.
Confirm specific policies directly with management. Financing posture, flip tax structure, sublet specifics, and pied-à-terre allowance should be obtained directly during contract review.
Board approval follows tier-one Park Avenue norms. Strong financial profile, professional accomplishment, primary-residence intent are central criteria.
What to know if you’re selling
The Carpenter authorship, the Kaufman commission, and the individual landmark status are differentiating marketing assets. Listing copy should foreground all three — they distinguish 625 Park from the broader pool of pre-war Park Avenue inventory.
Pricing requires apartment-level comparable analysis. Floor altitude, exposure, configuration, and renovation history all matter substantially given the small unit count and apartment-level heterogeneity.
Closing timelines are co-op standard. 6–10 weeks from contract signing to closing.
Comparable buildings
If you're considering 625 Park Avenue, also evaluate:
- 580 Park Avenue — J.E.R. Carpenter 1923; nearby Carpenter peer
- 635 Park Avenue — J.E.R. Carpenter; Carpenter peer
- 660 Park Avenue — York & Sawyer 1927; nearby southern Lenox Hill
- 720 Park Avenue — Candela / Cross & Cross 1929; same vintage tier-one
- 740 Park Avenue — Candela / Cross & Cross 1930; the Gold Coast apex
- 778 Park Avenue — Candela 1931; 18 full-floor apartments
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 625 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 625 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.