- 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
- $2M
- Recent range
- $1.6M – $2M
- Listing discount
- 4.9%
- Recorded transfers
- 43
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 facade passed its last inspection with no required repairs — nothing to budget for here, and no facade assessment on the horizon for roughly five years.
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 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 | -3.1% | |
| Feb 4, 2021 | 14A | 1 BR · 1.5 BA · 800 sf | $699,000 | $874/sf | off-mkt |
| 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% |
| Nov 13, 2018 | 11B | 1 BR | $980,000 | -16.6% |
Market read. Most recent trades (2021) cleared a median $874/sf across 1 sale. Median listing discount 5.5% 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.
Other recent transfers
| Date | Unit | Price |
|---|---|---|
| Sep 3, 2025 | 12C | $1,995,000 |
| Oct 21, 2020 | 10A | $700,000 |
| Jul 27, 2016 | 3A/3B | $2,550,000 |
| Jan 26, 2016 | 12A | $750,000 |
| Dec 21, 2009 | 12A | $950,000 |
| Dec 5, 2007 | PHB | $2,595,000 |
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 Roebling Team at 929 Park Avenue
The Roebling Team at Compass specializes in Park Avenue, the Upper East Side, and the city's pre-war cooperatives by its marquee apartment-house architects. We publish this profile because a Blum-designed building like 929 Park rewards buyers and sellers who understand its architecture, its defined cost structure, and where it sits within the Park Avenue market. A focused consultation is the right starting point.
Get the full picture on this building.
Current availability including off-market, the full comp set, and the board & financials read most listings don't show.