830 Park Avenue
830 Park Avenue, New York, NY 10075
Lenox Hill, Upper East Side
BBL 1013910034 · BIN 1041800
- Year built
- 1912
- Type
- Cooperative
- Units
- 40
- Floors
- 12
- Landmark
- Designated
- Subletting
- Restrictive (typical of tier-one Lenox Hill pre-war cooperatives)
Every recorded sale at this building, 2003–2025
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 4BR+ median
- $6.3M
- Recent range
- $4.6M – $8M
- Listing discount
- 2.6%
- Recorded transfers
- 52
830 Park Avenue is among the earliest of the George and Edward Blum brothers' Park Avenue commissions — a 1909 building that pre-dates the absolute peak of the Park Avenue luxury apartment-building tradition by approximately two decades and that represents one of the few authentic pre-WWI Park Avenue luxury cooperatives still operating in original cooperative ownership. The Blum brothers' Park Avenue portfolio — 555, 591, 830, 840, 875, 940, 1075 Park — represents one of the more cohesive single-firm bodies of work in pre-war Park Avenue inventory, and 830 Park is among the earliest mature expressions of the firm's apartment-building vocabulary.
The 1909 vintage produces a particular set of architectural characteristics. The building pre-dates the Candela / Cross & Cross / Carpenter peak (1925–1931) by approximately two decades, with apartment configurations, mechanical systems, and overall building economics reflecting an earlier era of Manhattan luxury apartment design. The ceiling heights, the apartment-layout discipline, and the decorative ornamental vocabulary all reflect a moment in Manhattan apartment history that was still finding its mature form — and that the Blum brothers were among the first firms to develop at the scale and quality that would later define the Park Avenue corridor.
The Blum brothers' decorative facade vocabulary is among the building's most distinctive features. Where the contemporaneous Carrère & Hastings, McKim Mead & White, and other classical-revival firms produced facades that read in dialogue with the broader European classical and Beaux-Arts traditions, the Blum brothers' work integrated decorative detailing — hieroglyphic medallions, Egyptian Revival ornamental elements, Persian and Near Eastern decorative motifs — that distinguished their portfolio from contemporary classical-revival peers. The result is a facade vocabulary that reads as among the more ornamental and decoratively interesting in pre-WWI Park Avenue inventory.
The original cooperative ownership from 1909 produces an institutional culture that has stabilized across more than a century of cooperative occupancy. The 40-apartment scale places 830 Park among the smaller pre-WWI Park Avenue cooperatives — moderate institutional density and limited annual turnover.
The corner positioning at Park Avenue and East 76th Street places 830 Park at the heart of the Lenox Hill / Carnegie Hill transition. Surrounded by tier-one Park Avenue cooperative inventory — 875 Park (Blum brothers 1912) immediately north, 740 Park (Candela / Cross & Cross 1930) several blocks south, 778 Park (Candela 1931) further north, and the dense pre-war cooperative inventory of East 71st through East 78th between Park and Fifth — the building occupies a central position in the modern Park Avenue trophy corridor.
For buyers, 830 Park represents a particular tier of Lenox Hill Park Avenue inventory: pre-WWI architectural pedigree from a distinguished firm with a coherent body of work, 40-apartment scale producing moderate annual turnover, corner Park Avenue / 76th Street positioning, and pricing materially below the Candela apex at 740 Park or 778 Park.
Architecture and unit composition
The 40 apartments span configurations from approximately 2,000 sf 2BRs to substantially larger 4–5 BR configurations across the 12 stories. The building's most architecturally distinctive apartments are the full-floor configurations and the upper-floor residences with longer view envelopes.
Blum brothers' pre-WWI signatures throughout: 10–11 foot ceilings in primary rooms (lower than the 1920s Candela 11–12 foot ceilings but generous by 1909 standards), formal entry galleries, library-living combinations, primary suites with substantial closet infrastructure, service wings characteristic of 1909-era luxury apartment design.
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. 76th Street-facing apartments to the south have cross-street exposures with stable residential side-street views.
Building operations
830 Park Avenue operates as a full-service pre-war cooperative with full-time doorman, attended elevator, on-site superintendent, and private storage. The 40-apartment scale produces a moderate institutional density characteristic of pre-WWI Park Avenue cooperative inventory.
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 — rigorous financial review, strong personal references, primary-residence intent the working assumption.
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 SWARMP — Safe With A Repair and Maintenance Program: the engineer identified conditions requiring monitoring or repair before the next inspection cycle. The scope, timeline, and how the building funds the work are building-specific — we review the filings and board materials 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 →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 |
|---|---|---|---|---|---|
| Oct 29, 2025 | 1A | 5 BR · 4.5 BA | $6,250,000 | +0.0% | |
| May 22, 2025 | 9 | 4 BR · 3.5 BA | $8,000,000 | -3.0% | |
| Oct 10, 2024 | MAISA | 4 BR · 3 BA | $4,500,000 | -23.7% | |
| Mar 28, 2024 | 6 | 4 BR · 3.5 BA · 3,700 sf | $4,575,500 | $1,237/sf | -2.1% |
| May 18, 2023 | 2 | 5 BR · 3 BA · 3,750 sf | $5,100,000 | $1,360/sf | -6.4% |
| Jun 21, 2022 | 11 | 3 BR · 3 BA · 3,475 sf | $5,846,250 | $1,682/sf | -22.1% |
| Mar 24, 2022 | 2 | 4 BR · 4.5 BA | $6,500,000 | -18.8% | |
| Feb 1, 2022 | 4 | 3 BR · 2.5 BA | $4,400,000 | -8.2% |
Market read. $/sf is measured on the latest sales with reliable square footage (2024): a median $1,237/sf across 1 sale. The building has traded as recently as 2025. Median listing discount 4.0% 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.
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 1-01390-0037) 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 pre-WWI vintage is structural. The 1909 vintage produces lower ceilings than the 1920s Candela peak, somewhat smaller floor plates on average, and the mechanical systems and apartment configurations of an earlier era. Buyers should evaluate the specific apartment carefully.
The Blum brothers architectural pedigree is real. Buyers attentive to architectural detail find the firm's distinctive decorative facade vocabulary differentiating among pre-war Park Avenue inventory.
Pricing is more accessible than Candela tier-one peers. 830 Park typically trades at materially more accessible per-square-foot pricing than the 1929–1931 Candela Park Avenue tier-one peak.
Confirm specific policies directly with management. Financing posture, flip tax structure, sublet specifics, and pied-à-terre allowance should be obtained directly during the contract review process.
Board approval follows tier-one Park Avenue norms. Strong financial profile, professional accomplishment, primary-residence intent are central criteria.
Renovation is constrained by historic district status and pre-WWI character. The board reviews scope and quality with attention to preservation of original detail.
What to know if you’re selling
The architectural pedigree and the building's age are marketing assets. Listing copy should reference the Blum brothers' authorship, the building's place within the firm's Park Avenue portfolio (555, 591, 840, 875, 940, 1075 Park), and the 1909 vintage as among the earliest pre-WWI Park Avenue luxury cooperatives.
Pricing requires apartment-level comparable analysis. The 40-unit scale produces meaningful variation; floor altitude, exposure, configuration, and renovation history all matter.
Closing timelines are co-op standard. 6–10 weeks from contract signing to closing.
Comparable buildings
If you're considering 830 Park Avenue, also evaluate:
- 875 Park Avenue — Blum brothers 1912; same firm three years later
- 840 Park Avenue — Blum brothers; comparable architectural pedigree
- 740 Park Avenue — Candela / Cross & Cross 1930; the apex of Gold Coast Park Avenue
- 778 Park Avenue — Candela 1931; 18 full-floor apartments
- 720 Park Avenue — Candela / Cross & Cross 1929; trusts permitted
- 730 Park Avenue — Lafayette Goldstone 1929; nearby tier-one Park Avenue peer
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 830 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 830 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.