Cooperative · 1929
520 East 86th Street
520 East 86th Street, New York, NY 10028
Buildings·Cooperative

520 East 86th Street

520 East 86th Street, New York, NY 10028

At a glance
Year built
1929
Type
Cooperative
Landmark
No
The Data Room

Every recorded sale at this building, 2003–2025

Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.

4BR+ median
$2.9M
Recent range
$875K – $2.9M
Listing discount
2.5%
Recorded transfers
34

520 East 86th Street belongs to a small and distinguished category: a pre-war Yorkville apartment house built by Vincent Astor and designed by Charles A. Platt, the architect and landscape designer whose work prized proportion and quiet classicism over flourish. Completed in 1929 as a high-end rental, it was conceived as one of a pair of nearly identical buildings on the block, and it was converted to cooperative ownership in 1950 — making it one of the earlier co-op conversions in the neighborhood.

The building's appeal is its setting and its temperament. It sits on a calm residential block near East End Avenue, a short walk from Carl Schurz Park and the East River promenade, in the part of Yorkville that has always traded on tranquility rather than show. The Platt pedigree gives the building architectural credibility; the Astor provenance gives it history; and the private garden gives residents something genuinely rare on the Upper East Side.

For buyers, 520 East 86th offers a graciously laid-out pre-war home in a financially established, well-staffed cooperative, at Yorkville pricing rather than Fifth Avenue pricing. For sellers, the Platt-and-Astor story, the garden, and the East End location are durable points of difference.

Architecture and unit composition

Charles A. Platt's design is deliberately understated — a dignified masonry facade in a neo-Georgian register, with the careful fenestration and measured ornament that define his residential work. The building rises 16 stories and reads as a solid, dignified pre-war house rather than a tower; its real luxury is internal, in the planning of the apartments and the landscaped garden that Platt, a noted landscape designer, would have understood how to integrate.

The 46 residences are pre-war in their bones: hardwood floors, real entry foyers, separate dining rooms in the larger lines, and the high ceilings and thick walls of 1929 construction. Layouts run from comfortable smaller homes to spacious family-sized apartments, several with views toward the river or over the garden. As with most buildings of this vintage, the most desirable homes are those that have been thoughtfully renovated while preserving the original proportions and detail.

Building operations

520 East 86th is a full-service cooperative with around-the-clock attendance and a resident superintendent. The amenity set is unusually livable for a building of its size: a private landscaped garden, a fitness room, a bike room, central laundry, individual storage cages, and a children's play area with a basketball hoop — several of these shared with the building's twin next door. The garden in particular is a defining feature, a quiet outdoor refuge that most Yorkville cooperatives cannot offer.

The cooperative is long-established and financially secure, with the conservative governance typical of a small pre-war co-op. Prospective purchasers should expect a standard board package and interview, and pet policy, sublet rules, and financing parameters are set by the board and reviewed during the application process.

Local Law 97

Carbon-penalty exposure
🟡
Moderate — manageable today, 2030 cliff likely
2024–2029 annual penalty
$0 (under cap)
2030–2034 annual penalty
$28/yr
Per unit / month range
$0 – $0
See full Local Law 97 analysis — emissions history, scenarios, methodology →

Facade safety — Local Law 11

Local Law 11 / FISP · last inspection 2020–25
SWARMP
What this means for you

Safe to live in today — but the last inspection flagged repairs that are due on a deadline, so facade work and its cost are coming. Whether that’s a real concern depends on the scope, the timing, and how the building plans to pay for it — reserves or an assessment — which is exactly what we’d dig into for you.

Inspection history
2005–10
SWARMP
2010–15
SWARMP
2015–20
Safe
2020–25
SWARMP
2025–30
Due
Next report due
by Feb 2029
On record
$3,250 in filing penalties
The three grades, in buyer terms
SafeGood for ~5 years — no facade assessment on the horizon.
SWARMPSafe now, repairs due on a deadline — budget for the work or a possible assessment.
UnsafeActive hazard: sidewalk shed and repairs now. Expect disruption and an assessment.

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.

DateUnitApartmentPricePPSFvs. Ask
Dec 2, 20251/2C
3 BR · 2.5 BA · 2,800 sf
$1,850,000$661/sf-28.7%
Dec 16, 20242D
2 BR · 1 BA
$875,000+6.1%
Aug 9, 202415C
4 BR · 2.5 BA
$2,925,000-2.5%
Jan 25, 20232C
3 BR · 2.5 BA
$2,450,000+8.9%
Jan 25, 202312C
4 BR · 3 BA
$2,450,000-12.5%
Dec 17, 202114A
4 BR · 4 BA
$4,200,000-1.2%
Jun 16, 20218C
4 BR · 2 BA
$2,700,000-9.8%
Mar 16, 20219C
4 BR · 3 BA
$3,000,000-11.8%

Market read. Most recent trades (2025) cleared a median $661/sf across 1 sale. Median listing discount 3.2% 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.

12B+181%
$650,000 2008$1,825,000 2014
9A+37%
$3,100,000 2004$4,240,000 2015
4C · 2,630 sf+27%
$2,900,000 ($1,103/sf) 2006$3,685,000 ($1,401/sf) 2017
15C+6%
$2,750,000 2005$2,925,000 2024
15A+0%
$4,000,000 2019$4,000,000 2019

Other recent transfers

DateUnitPrice
Apr 7, 20212A$2,940,000
Sep 16, 201915A$4,000,000
Jul 11, 201915A$4,000,000
Feb 8, 20163B$1,875,000
Jun 8, 20158B$1,995,000
Jun 30, 200812B$650,000
View all 34 recorded transfers, sortable

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 1-01582-0040) 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

This is a classic pre-war co-op purchase. Plan for a board package, a personal interview, and the financial documentation a conservative cooperative expects. Because the building dates to 1929, focus diligence on the condition of the specific apartment — kitchens, baths, windows, and any prior renovation — and on the cooperative's reserves, recent capital work, and maintenance trend.

The location is part of the value proposition: a quiet block steps from Carl Schurz Park, the East River esplanade, and Yorkville's everyday retail, with crosstown bus service and the Second Avenue subway at 86th Street within easy reach. Buyers who want pre-war space, a real garden, and a calm residential setting — without Fifth Avenue pricing — are exactly the audience this building serves. We help buyers evaluate the apartment, the cooperative's finances, and the offer.

What to know if you’re selling

The marketing here writes itself around the building's distinctions: a Charles A. Platt design built by Vincent Astor, a private landscaped garden, and a prime East End-adjacent Yorkville block near the park and river. These are concrete differentiators that set a home here apart from the generic post-war inventory nearby.

Price to the building's own track record and to comparable pre-war Yorkville cooperatives, with condition and exposure as the swing factors. A renovated, well-lit apartment with garden or river outlook should command a premium within the building. We advise sellers on staging, timing, and buyer qualification, and on presenting the building's history and amenities so the apartment reaches buyers who value them.

Comparable buildings

If you're considering 520 East 86th Street, also look at these nearby Yorkville and East End cooperatives:

The Roebling Team at 520 East 86th Street

The Roebling Team at Compass specializes in the Upper East Side, Yorkville and the East End, and the pre-war cooperative market across Park Avenue and the broader East Side. We publish this profile because a building with this much architectural and historical substance — and a garden most of its neighbors lack — deserves a buyer's and seller's audience that understands its value.

If you're considering a transaction at 520 East 86th Street, a consultation is the right starting point.

Considering a move at 520 East 86th Street?

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Current availability including off-market, the full comp set, and the board & financials read most listings don't show.

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Corey Cohen, Principal · The Roebling Team at Compass
646.939.7375 · c.cohen@compass.com