- Year built
- 1929
- Type
- Cooperative
- Units
- 29
- Floors
- 14
- Landmark
- Designated
- Pets
- Confirm directly with management
- Subletting
- Restrictive (typical of tier-one Park Avenue cooperatives)
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.
Recent sales
Last 5–10 closed sales at 625 Park Avenue (replace this section with current ACRIS data — pull at publication time and refresh quarterly):
[Recent sales table to be populated from ACRIS]
Sales context at 625 Park:
- Inventory turnover is low given the 29-unit scale — typically 2–4 transactions per year.
- Pricing weighted toward the larger 4–5+ BR configurations — typically $7M–$20M+ depending on apartment size, floor, exposure, and renovation.
- Public listing through StreetEasy and Compass private exclusive both occur; the larger configurations more frequently transact through private channels given the small buyer pool for apartments at that scale and price.
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.
The Roebling Team at 625 Park
The Roebling Team at Compass specializes in Central Park West, the Upper East Side, and the broader Park-facing Manhattan market. We publish this building profile because Park Avenue Lenox Hill buyers and sellers deserve building-specific intelligence — architecture, board culture, transactional mechanics, and pricing at the apartment level — not generic market commentary.
If you're considering a purchase or sale at 625 Park, a 30-minute consultation is the right starting point.