829 Park Avenue
829 Park Avenue, New York, NY 10075
Lenox Hill, Upper East Side
BBL 1014100069 · BIN 1043160
- Year built
- 1909
- Type
- Cooperative
- Units
- 46
- Floors
- 12
- Landmark
- Designated
- Flip tax
- A flip tax applies; confirm the rate at the offer stage.
- Financing
- Up to 50% financeable (50% minimum down).
- Subletting
- Not permitted — an owner-occupancy building.
- Pied-à-terre
- Not permitted.
- Washer / dryer
- Permitted in-unit.
- Pets
- Permitted, subject to Board approval.
- Guarantors
- Not permitted.
- Managing agent
- Orsid New York
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.
Every recorded sale at this building, 2003–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 3BR median
- $3M
- Recent range
- $2.2M – $3.9M
- Listing discount
- 2.5%
- Recorded transfers
- 41
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829 Park Avenue — known as The Raleigh — is among the absolute earliest luxury apartment buildings on Park Avenue. The 1909–1911 construction window predates the Carpenter / Candela era by more than a decade. When 829 Park was completed, J.E.R. Carpenter had not yet built his first Park Avenue commission; Rosario Candela was still a teenager who would not begin architectural practice for another decade. The building belongs to the generation of pre-WWI Manhattan apartment construction that established the typology of the luxury cooperative before it became the dominant residential form of the corridor.
The Pickering & Walker authorship is unusual within the Park Avenue corridor. Most Park Avenue tier-one buildings carry architectural attributions from the dominant 1920s firms — Candela, Cross & Cross, Carpenter, Blum brothers, Goldstone, Schwartz & Gross. Pickering & Walker belongs to an earlier generation of New York apartment architects whose body of work is materially smaller and whose Park Avenue commissions are correspondingly rare. The AIA Guide to New York City cites The Raleigh as a significant early example of the Park Avenue luxury apartment tradition.
The 12-story height is the era-standard ceiling — pre-1916 zoning produced a different building envelope than the later 14–18 story Park Avenue tier-one inventory. The 46–48 apartment count is moderate for the era. The cooperative conversion from the original rental occurred in 1957, placing 829 Park among the post-WWII conversion-to-cooperative wave that produced much of the current Park Avenue cooperative inventory.
The corner positioning at Park Avenue and East 75th Street places 829 Park within the dense Lenox Hill Park Avenue cooperative inventory — three blocks south of 875 Park (Blum brothers 1912), four blocks north of the Park Avenue Armory, and immediately east of the Frick / former Whitney Madison museum corridor.
For buyers, 829 Park represents a particular tier of Lenox Hill Park Avenue inventory: pre-WWI Pickering & Walker authorship at among the earliest Park Avenue luxury commissions, AIA Guide architectural recognition, 1957 cooperative conversion, and pricing materially below the Candela tier-one peak.
Architecture and unit composition
The 46–48 apartments span configurations from approximately 1,800 sf 2BRs to substantially larger 3–4 BR configurations across the 12 stories. The building's most architecturally distinctive apartments are the upper-floor configurations and the corner residences with cross-exposure views.
Pre-WWI signatures throughout: 10–11 foot ceilings in primary rooms (consistent with the era's luxury norm; lower than the 1920s Candela peak), formal entry galleries, library-living combinations, primary suites with substantial closet infrastructure, service wings characteristic of 1909–1911 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. 75th Street-facing apartments have cross-street exposures with stable residential side-street views.
Building operations
829 Park Avenue operates as a full-service pre-WWI cooperative with full-time doorman, attended elevator, on-site superintendent, and private storage. The cooperative conversion occurred in 1957.
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
- $2,586/yr
- 2030–2034 annual penalty
- $84,408/yr
- Per unit / month range
- $5 – $172
Source: NYC LL84 benchmarking and PLUTO · The Roebling Research Library. City record last verified September 2026.
See full Local Law 97 analysis — emissions history, scenarios, methodology →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.
How to read this, and where it comes from
QEWI = Qualified Exterior Wall Inspector — the licensed engineer the city requires to sign the report (the independent expert, not the managing agent).
Penalties shown are amounts DOB assessed against filings on record across 2005–10 to 2020–25. The FISP dataset does not record whether they were paid, contested or remain open, so treat the figure as history rather than a current balance and confirm the building’s standing with the managing agent.
Source: NYC DOB facade filings (FISP) · The Roebling Research Library. City record last verified September 2026.
Management & transfer contacts
- Flip tax
- 2% of sales price if owned 2+ years; 3% if owned less than 2 years (paid to Corporation)
- Sublet policy
- Not Allowed
- Pied-à-terre
- Not Allowed
- Notable fees
- Max financing 50%; Application Fee $700; Fitness Center Fee $5,000; Transfer Agent Closing Fee $850-$1,100
Recent sales
Recent transfers at this building, curated by The Roebling Team research desk. Prices are the transfer amounts recorded with the NYC Department of Finance; apartment-level detail is checked against the building’s own file in The Roebling Research Library before publishing.
| Date | Unit | Apartment | Price | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Aug 4, 2026 | 10B | 3 BR · 3 BA | $2,800,000 | -1.8% | |
| Jul 9, 2026 | 2D | 5 BR · 3.5 BA · 2,800 sf | $3,100,000 | $1,107/sf | -16.2% |
| Jun 25, 2026 | 7D | 2 BR · 2 BA | $2,200,000 | +0.0% | |
| Apr 16, 2026 | 8A | 3 BR · 2.5 BA | $3,750,000 | -6.2% | |
| Feb 11, 2026 | 7C | 3 BR · 3 BA | $3,025,000 | +1.0% | |
| Feb 11, 2026 | 9C | 3 BR · 3 BA | $3,900,000 | -2.5% | |
| Jan 8, 2025 | 11B | 3 BR · 2.5 BA | $2,650,000 | -3.6% | |
| Oct 2, 2024 | 9 | 3 BR · 3 BA | $3,500,000 | +0.0% |
Market read. Most recent trades (2026) cleared a median $1,107/sf across 1 sale. Median listing discount 5.9% 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 1-01410-0069) 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.
At the recent median sale of $3.1M (8 transfers since 2024), a buyer putting 25% down would pay about $61,050 to close, or 2.0% of the price.
- Mansion tax: $46,500
- No mortgage recording tax or title insurance on a co-op purchase
- Attorneys, lender, building fees and filings: $14,550
Assumes a resale (the seller pays transfer taxes), a $4,500 attorney fee and a mortgage on the rest.
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What to know if you’re buying
The pre-WWI vintage is structural. The 1909–1911 construction produces ceilings and floor plates of the era; mechanical systems reflect pre-WWI luxury apartment design. Buyers should evaluate specific apartments carefully — apartment-level renovation history matters substantially given the building's age.
The Pickering & Walker authorship is an unusual credential. Park Avenue pre-WWI commissions from this generation of firms are materially rarer than the 1920s Carpenter / Candela tradition. The AIA Guide citation as a significant early example is a verifiable architectural credential.
Pricing is more accessible than Candela tier-one peers. 829 Park typically trades at materially more accessible per-square-foot pricing than the 1929–1931 Candela apex.
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.
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 pre-WWI vintage and AIA Guide recognition are marketing assets. Listing copy should foreground the 1909–1911 construction as among the earliest Park Avenue luxury apartment buildings and cite the AIA Guide attribution.
Pricing requires apartment-level comparable analysis. Floor altitude, exposure, configuration, and renovation history all matter substantially given the building's age and apartment-level heterogeneity.
Closing timelines are co-op standard. 6–10 weeks from contract signing to closing.
Comparable buildings
If you're considering 829 Park Avenue, also evaluate:
- 875 Park Avenue — Blum brothers 1912; nearby pre-WWI peer
- 830 Park Avenue — Blum brothers 1912; same vintage Lenox Hill
- 840 Park Avenue — Blum brothers 1912; nearby pre-WWI Lenox Hill
- 555 Park Avenue — Blum brothers 1914; pre-WWI Park Avenue peer
- 820 Fifth Avenue — Starrett & van Vleck 1916; nearby pre-WWI Fifth Avenue peer
- 998 Fifth Avenue — McKim, Mead & White 1912; pre-WWI Fifth Avenue tier-one peer
More Park Avenue buildings
- 815 Park Avenue — 1916 co-op by Lafayette A. Goldstone
- 820 Park Avenue — 1926 co-op
- 823 Park Avenue (The Parkville) — 1911 condominium by Pickering & Walker
- 830 Park Avenue — 1912 co-op by George and Edward Blum
- 840 Park Avenue — 1912 co-op by George and Edward Blum
- 850 Park Avenue — 1914 co-op by Rouse & Goldstone
The neighborhood
For the full corridor — architecture, 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.
How to read the facts on this page. Items attributed to an offering plan describe the building as it was offered at that filing — unit mix, square footage, the amenity program as planned. They are not a statement about how the building operates today. Tax and compliance figures are sourced separately to current City records and carry their own dates. House rules, staffing and fee policy can change by board resolution without any public filing: treat every policy line here as a starting point for diligence and confirm it with the managing agent. Where this page compares one building or neighborhood to another, that is our analysis of the recorded record — it names the measure, the period and the sample it rests on, and it is an observation about medians rather than a prediction about any particular apartment.
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