929 Park Avenue
929 Park Avenue, New York, NY 10028
Upper East Side
BBL 1015090071 · BIN 1047540
- Year built
- 1913
- Type
- Cooperative
- Landmark
- Designated
Every recorded sale at this building, 2003–2025
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 2BR median
- $1.8M
- Recent range
- $1.6M – $2M
- Listing discount
- 3.0%
- Recorded transfers
- 45
929 Park Avenue is a quietly distinguished pre-war cooperative carrying a notable architectural signature: it was designed by George and Edward Blum, the brothers whose ornamented apartment houses are among the most decoratively inventive of early-twentieth-century New York. Built in 1913 and converted to a co-op in 1959 — early, as Park Avenue conversions go — it brings the Blums' hallmark terracotta detailing to a prime Upper East Side block between 80th and 81st Streets.
The combination is the appeal: a Park Avenue address, a full-time doorman, architectural pedigree, and a building scaled to 36 households rather than several hundred. For buyers who want the Park Avenue corridor with real pre-war character and an intimate community — and a clear, knowable cost structure — 929 Park sits in a desirable and well-defined niche.
Architecture and unit composition
The Blums' work is what distinguishes the building from its neighbors. The beige-brick façade is enlivened with elaborate, detailed terracotta decoration — the kind of inventive ornament that was the brothers' signature — and the canopied entrance is marked by a handsome decorative surround and period light sconces. It is a building that rewards looking up: the detailing carries through the elevations rather than stopping at the base.
Inside, the 36 residences across 12 stories follow the pre-war Park Avenue vocabulary — high ceilings, hardwood floors, gracious entry galleries, and the room proportions of a 1913 apartment house. The layouts run from comfortable one- and two-bedroom homes to larger classic apartments, the kind of stock that defines the corridor's enduring appeal.
Building operations
929 Park Avenue runs as a full-service cooperative. A full-time doorman staffs the canopied lobby and a live-in resident superintendent manages the building, with the service standard expected on Park Avenue. Residents have a central laundry room and private storage. The building is pet-friendly.
On cost structure, the building's policy is clearly defined: a 2.5% flip tax is paid by the buyer at purchase — a knowable, budgetable figure rather than an open question. As a cooperative, purchases require board package review and an interview, and financing, sublet, and pied-à-terre terms follow the building's proprietary lease and house rules; we review the current board posture and carrying costs with buyers during a transaction. The 36-shareholder scale keeps governance intimate and service personal.
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 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 →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 |
|---|---|---|---|---|---|
| Sep 3, 2025 | 12C | 2 BR · 2 BA | $1,995,000 | +0.0% | |
| Oct 8, 2024 | 11C | 2 BR · 2 BA | $1,625,000 | -3.0% | |
| Aug 6, 2024 | 12C | 2 BR · 2 BA | $1,010,000 | -7.8% | |
| Apr 22, 2022 | 10C | 2 BR · 2 BA | $1,600,000 | -15.6% | |
| Apr 6, 2022 | 8B | 1 BR · 1 BA | $1,550,000 | -13.9% | |
| Feb 4, 2021 | 14A | 1 BR · 1.5 BA · 800 sf | $699,000 | $874/sf | +0.0% |
| Nov 8, 2019 | 5A | 1 BR · 1 BA | $850,000 | -8.1% | |
| Feb 28, 2019 | 10B | 1 BR · 1 BA · 1,000 sf | $1,300,000 | $1,300/sf | -5.5% |
Market read. $/sf is measured on the latest sales with reliable square footage (2021): a median $874/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 1-01509-0071) 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
Budget for the building's defined costs up front: the 2.5% flip tax is the buyer's at closing, which is unusual (flip taxes more often fall on the seller) and should be modeled into the all-in acquisition number. Review the cooperative's financials and reserve fund, and confirm the exposures and original detailing of the specific apartment, since pre-war layouts vary line to line. Expect a board package and interview. Value the Blum architecture and the full-service operation, both of which support long-term desirability. The location — Park Avenue at 80th — puts the Met and Museum Mile, the 6 train at 77th Street, and Central Park all within a short walk.
What to know if you’re selling
Lead with the address and the architect. A Park Avenue cooperative with the Blums' distinctive terracotta detailing is a resonant, marketable combination, and the full-time doorman and pet-friendly policy round out the pitch. Be transparent about the buyer-paid 2.5% flip tax — well-advised buyers will price it in, and clarity speeds a deal. Foreground the pre-war proportions, exposures, and any preserved original detail. With a moderate unit count, pricing should reference both the building's own trade history and the broader Park Avenue pre-war market between the high 70s and low 80s.
Comparable buildings
If you're considering 929 Park Avenue, these nearby Park Avenue cooperatives form a useful comparison set:
- 1000 Park Avenue — pre-war Park Avenue cooperative nearby
- 1001 Park Avenue — established Park Avenue co-op to the north
- 1010 Park Avenue — pre-war Park Avenue cooperative peer
- 133 East 80th Street — pre-war co-op a half-block east
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 929 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 929 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.