733 Park Avenue
733 Park Avenue, New York, NY 10021
BBL 1014050072 · BIN 1042760
- Year built
- 1971
- Type
- Cooperative
- Landmark status
- Not an individual landmark; in the Upper East Side Historic District
- NYC Landmarks Preservation Commission records, updated February 2026
- Pied-à-terre
- Permitted with conditions
- Pets
- Pets permitted with conditions; species not stated
- Flip tax
- 3% of the purchase price, paid by the seller
- Doorman
- Full-time doorman
Every recorded sale at this building, 2004–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 3BR median, 2024
- $7.2M
- 2 qualifying sales
- Recent range
- $5.7M – $8.1M
- Listing discount
- 8.1%
- Recorded transfers
- 29
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 733 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.
733 Park Avenue is one of the most exclusive addresses on the avenue precisely because of its scale: a 30-story tower that holds only 28 apartments, nearly all of them full-floor. Completed in 1971 on the site of a former Carrere & Hastings mansion that once stood at the corner of 71st Street, it is the tallest residential building on Park Avenue north of 62nd Street, and it was conceived from the outset as a vertical stack of mansion-sized homes for buyers who wanted pre-war proportions with post-war systems.
That is the building's enduring proposition. Where the pre-war co-ops up and down Park divide each floor into one or two apartments behind a shared landing, 733 Park gives almost every owner the entire floor — private elevator-landing entry, light on four exposures, and a footprint that reads as a freestanding residence rather than an apartment. It is a small, tightly held cooperative where a sale is a genuine event, and the board protects that scarcity carefully.
For buyers, the appeal is the rarest thing on Park Avenue: a true full-floor home with white-glove service, in a building intimate enough that the staff knows every household by name. For sellers, the same scarcity is the asset — there is simply very little comparable product on the avenue.
Architecture and unit composition
733 Park departs deliberately from its masonry pre-war neighbors. The tower is clad in a deep brown brick and steps back as it rises, giving the upper floors terraces and the building its distinctive dark, slender profile against the Park Avenue skyline. The recessed, canopied entrance on 71st Street opens to an attended lobby; the design favors discretion over ornament, in keeping with the era and the building's private character.
Inside, the residences are large by any measure — full-floor layouts often described as nine-room homes with multiple bedrooms and baths, gracious entry galleries, and corner living and dining rooms taking light on three or four sides. Ceiling heights, mechanical systems, and central air reflect the building's 1971 construction rather than 1920s infrastructure, which many buyers consider an advantage over the pre-war stock. Upper-floor homes benefit from the setbacks and from open city and park-adjacent views.
Building operations
This is a full-service, white-glove cooperative. Staffing includes a 24-hour doorman and concierge, an elevator attendant, porters, and a resident manager. Amenities are tailored to the small ownership: a fitness center, a wine cellar, and private storage, with the lobby and common areas maintained to a high standard.
The cooperative permits pets and pieds-à-terre with board approval, reflecting the building's posture of accommodating its owners while preserving the residential calm of a 28-home community. As with most prestige Park Avenue cooperatives, the board reviews purchasers closely and expects strong post-closing liquidity; financing is conservative, consistent with the high-end full-floor profile of the building.
Application and transaction fees
Fees below are from building management's published schedule, as of August 2026. They are shown as published, item by item; no total is added because the total depends on the transaction. Deposits are listed apart from nonrefundable charges.
- Terms
- 3% of the purchase price
- Rate
- 3% of the purchase price
- Paid by
- Seller
Source: building management's published schedule, as of August 2026
Purchase
8 items
Fees and charges
| Item | Paid by | When | Amount | Refundable |
|---|---|---|---|---|
| Application Processing FeeConditional | Paid by Buyer | When With the application | Amount $600 or $1,000 (Trust Purchase - if permitted by Corporation) | Refundable Not stated |
| Application Processing Fee for Co-applicant or GuarantorPer applicant | Paid by Buyer | When With the application | Amount $250 per Co-applicant/ Guarantor | Refundable Not stated |
| Corporate Financial Review Fee | Paid by Buyer | When With the application | Amount $450 (check payable to Jonathan Hirst) | Refundable Not stated |
| Lead Based Paint Disclosure Fee | Paid by Seller | When With the application | Amount $75 | Refundable Not stated |
| Financing FeeConditional | Paid by Buyer | When At closing | Amount $300 (if financing) | Refundable Not stated |
| Closing FeePer share | Paid by Seller | When At closing | Amount $800 ($850 without a Broker) plus $0.05 per share | Refundable Not stated |
| Sale by an Estate or Trust - Closing FeePer share | Paid by Seller | When At closing | Amount $1,000 plus $0.05 per share | Refundable Not stated |
| Background Report FeePer applicant | Paid by Buyer | When With the application | Amount Requires confirmation: the published schedule's figure is incomplete or inconsistent | Refundable Not stated |
Refinance
1 item
Fees and charges
| Item | Paid by | When | Amount | Refundable |
|---|---|---|---|---|
| Financing Fee | Paid by Shareholder | When At closing | Amount $400 | Refundable Not stated |
Ownership transfer
1 item
Fees and charges
| Item | Paid by | When | Amount | Refundable |
|---|---|---|---|---|
| Transfer Fee | Paid by Shareholder | When With the application | Amount Contact Transfer Agent for fee schedule | Refundable Not stated |
Management updates its schedule without a public filing. The date is when management last updated the page, not when a rule changed. Confirm the current schedule with management before you apply.
Considering an apartment here? Send Corey the listing to discuss the building's costs and purchase requirements.
Own an apartment here? Request an apartment-specific pricing review.
Sublet and pied-à-terre policy
A condominium owner leasing a unit and a co-op shareholder subletting are different rules, and a building-wide rule is different from a restriction on one apartment. This is the building's rule; confirm it for the specific apartment.
- Subletting by shareholders
- Not verified
- Pied-à-terre ownership
- Permitted with conditionsCase by case, board discretionSource: The Roebling Team's building profile
Considering an apartment here? Send Corey the listing to discuss the sublet and pied-à-terre rules for that apartment.
Pets and in-unit washer/dryer
- Pets
- Pets permitted with conditions; species not statedThe cooperative permits pets and pieds-à-terre with board approval, reflecting the building's posture of accommodating its owners while preserving the residential calm of a 28-home community.Source: The Roebling Team's building profile
- In-unit washer/dryer
- Not verified
Considering an apartment here? Send Corey the listing to confirm the pet and washer/dryer rules for that apartment.
Monthly carrying charges in recent sales
- Maintenance, per room
- $1,320 per room a monthMedian of 4 recorded sales since October 2023Source: recorded sales, refreshed October 2026
Maintenance as recorded with each sale. A co-op's maintenance already covers the building's real estate taxes and the building's own mortgage, if it has one; add your own loan payment for the monthly outlay. A summary of recorded sales, not a current bill; charges change.
Building staffing and amenities
- Doorman
- Full-time doormanSource: The Roebling Team's building profile
- Concierge
- YesSource: The Roebling Team's building profile
- Live-in superintendent
- YesSource: The Roebling Team's building profile
- Elevator
- YesSource: NYC Department of City Planning records (PLUTO)
- Amenities noted
- Fitness room, storageSource: The Roebling Team's building profile
Staffing and amenities as our building profile and recent listing records describe them. A feature not listed is not confirmed absent. Outdoor space, parking and some facilities can belong to particular apartments or to a separate owner; confirm access for the specific apartment.
Local Law 97
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $65,361/yr
- Per unit / month range
- $0 – $195
- Modeled exposure split equally across 28 units (the residential count on the city's lot record). Not an assessed amount; co-op shareholders are typically charged by share allocation.
Source: NYC LL84 benchmarking and PLUTO · The Roebling Research Library. City data last refreshed October 2026.
See full Local Law 97 analysis — emissions history, scenarios, methodology →Facade safety — Local Law 11
The latest available FISP filing classified the facade as Safe — no repairs were required at that inspection. A filed Safe grade is not a guarantee of current condition: owners still maintain the facade and, where required, observe parapets each year. Future inspection timing (Local Law 49 of 2025 changed the cycle framework from October 1, 2026), repair and any assessment decisions remain building-specific.
How to read this, and where it comes from
QEWI = Qualified Exterior Wall Inspector — a licensed professional engineer or registered architect who meets DOB’s FISP qualifications and signs the report (the independent expert, not the managing agent).
Source: NYC DOB facade filings (FISP) · The Roebling Research Library. City data last refreshed October 2026.
Management & transfer contacts
Recent sales
Recent transfers at this building, from The Roebling Research Library. 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 |
|---|---|---|---|---|---|
| Jun 10, 2026 | 4 | 4 BR · 4.5 BA | $6,700,000 | -18.8% | |
| Jun 20, 2024 | 19 | 3 BR · 4.5 BA | $6,225,000 | -16.4% | |
| Jun 18, 2024 | 27 | 3 BR · 4.5 BA · 3,300 sf | $8,075,000 | $2,447/sf | -7.7% |
| Oct 19, 2023 | 9 | 4 BR · 4.5 BA · 3,500 sf | $5,700,000 | $1,629/sf | -8.1% |
| Mar 13, 2023 | 6 | 4 BR · 4.5 BA | $6,500,000 | +0.0% | |
| May 2, 2022 | 7 | 4 BR · 4.5 BA · 3,000 sf | $5,350,000 | $1,783/sf | +0.0% |
| Dec 21, 2021 | 14 | 4 BR · 4.5 BA · 3,500 sf | $5,995,000 | $1,713/sf | +0.0% |
| Aug 16, 2021 | 2 | 4 BR · 4.5 BA · 3,500 sf | $4,826,250 | $1,379/sf | -3.4% |
Market read. $/sf is measured on the latest sales with reliable square footage (2024): a median $2,447/sf (recorded) across 1 sale. The building has traded as recently as 2026. Median listing discount 3.5% 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 1-01405-0072). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. 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 would your apartment rent for?
Enter your apartment and I'll send you what it would rent for, from comparable closed leases at 733 Park Avenue and nearby.
Buying here? Co-op closing costs typically run 2 to 3% of the price. See NYC co-op and condo closing costs, line by line.
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What to know if you’re buying
Buying here means buying a full floor, and the underwriting follows. Expect a thorough board package and a personal interview; confirm the building's current financing, liquidity, ownership and occupancy requirements from its governing documents and application instructions.
The practical questions are about the specific apartment: which floor, which exposures, the condition of the kitchens and baths, and whether the home has been renovated to current standards. With so few units, the building's finances are concentrated among a small group of owners, so reviewing the cooperative's reserves, recent capital projects, and any planned assessments is necessary to establish the actual financial position rather than inferring it from unit count. We help buyers read those records, position a competitive offer, and prepare a complete board package.
What to know if you’re selling
The building has 28 apartments; use dated sales and current listings to establish turnover and the competitive set for a full-floor home. The marketing should lead with what the building uniquely offers — full-floor living, light on four sides, white-glove service, and a 1971 building with modern systems in a pre-war neighborhood.
Pricing requires care because comparables are thin; the most relevant evidence is the building's own prior sales and a small set of full-floor Park Avenue cooperatives nearby. Presentation and condition move the number meaningfully at this level, and the board's expectations for the incoming purchaser should shape how a sale is structured and marketed. We advise sellers on timing, staging, and buyer qualification so the transaction reaches the right audience and closes cleanly.
Comparable buildings
If you're evaluating 733 Park Avenue, consider these nearby Park Avenue and Upper East Side cooperatives:
- 740 Park Avenue — the avenue's benchmark full-floor cooperative
- 720 Park Avenue — nearby pre-war Park Avenue cooperative
- 760 Park Avenue — established Park Avenue cooperative nearby
- 700 Park Avenue — post-war full-service cooperative at 69th Street
- 770 Park Avenue — pre-war cooperative on the corridor
More Park Avenue buildings
- 715 Park Avenue — 1948 condominium by Emery Roth & Sons
- 720 Park Avenue — 1929 co-op by Rosario Candela
- 730 Park Avenue — 1929 co-op by Lafayette A. Goldstone
- 740 Park Avenue — 1929 co-op by Rosario Candela
- 750 Park Avenue — 1951 co-op by Horace Ginsbern & Associates
- 755 Park Avenue — 1914 co-op by Lafayette A. 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.
Considering a move at 733 Park Avenue?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
646.939.7375 · c.cohen@compass.com