Manhattan condos · below 96th $1,600/sf 2%Manhattan co-ops · below 96th $270K/room 2%Central Park perimeterPark Ave $472K/room 18%CPW $355K/room 5%Fifth Ave $501K/room 19%Billionaires' Row $4,313/sf 24%Flatiron $1,769/sf 3%
Full index →
255 West 90th Street, 255 West 90th Street, New York, NY 10024, Manhattan — Cooperative, 1909
Photo: Scan by NYPL / Public domain · via Wikimedia Commons

255 West 90th Street

255 West 90th Street, New York, NY 10024

Upper West Side

BBL 1012380010 · BIN 1033555

At a glance
Year built
1909
Type
Cooperative
Landmark
No
The Data Room

Every recorded sale at this building, 2005–2024

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

Recent range
$4.7M – $4.7M
Listing discount
3.2%
Recorded transfers
36
Considering a sale?

Own an apartment here? See what it would sell for.

A Private Pricing Opinion — what your apartment at The Cornwall 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.

The Cornwall is one of the genuinely memorable buildings of the Upper West Side — a 1909 corner block whose roofline alone makes it a landmark in the colloquial sense even if not the legal one. Designed by Neville & Bagge and rising twelve stories at the northwest corner of Broadway and 90th Street, it is best known for its extraordinary crown: a riot of bold Art Nouveau ornament, foliate detail, and sculptural cresting that erupts above an otherwise composed red-brick-and-limestone façade. On a Broadway corridor full of dignified pre-war stock, The Cornwall stands out at a glance.

It is also a building with the right bones for living. Converted to a cooperative in 1981, the apartments preserve the full vocabulary of early-twentieth-century craftsmanship — high ceilings, pocket French doors, intricate woodwork, glass transoms, and in some homes onyx fireplace surrounds — within gracious, well-proportioned layouts. For buyers who want character and architecture rather than a glass tower, this is a building that delivers both.

The corner location is among the most convenient on the Upper West Side. The 1, 2, and 3 trains stop directly at the 96th Street and 86th Street stations a short walk in either direction along Broadway, with the 1 local at 86th and the express stops bracketing the building. Broadway's restaurants, markets, and shops are at the door; Riverside Park is two blocks west and Central Park roughly three blocks east.

Architecture and unit composition

Neville & Bagge were among the most prolific apartment-house architects of pre-war New York, and The Cornwall is one of their most exuberant survivors. The composition is classic Beaux-Arts in structure — a rusticated three-story limestone base, a long red-brick midsection, and an ornamental crown — but the crown is where the building departs from its peers, breaking into Art Nouveau cresting and foliate sculpture that few Broadway buildings attempt. It is a façade designed to be looked up at.

Behind it, the residences carry the period's better detailing. With roughly three to three-and-a-half dozen homes across twelve stories, the building runs a relatively low unit-per-floor count, which preserves generous room dimensions and quiet apartments. Buyers will find high ceilings, hardwood floors, original woodwork and transoms, and the deep layouts that the era favored — entry foyers, separated rooms, and proper kitchens. Renovation levels vary unit to unit, from carefully preserved original homes to fully modernized interiors.

Building operations

The Cornwall is run as a doorman cooperative with a resident superintendent and an attended step-up lobby. A roof deck takes advantage of the building's height and corner exposure, and shared infrastructure includes elevator service, a central laundry room, and basement storage. The building is pet-friendly.

As a cooperative, purchases require board approval, a financial and personal package, and an in-person interview. Monthly maintenance covers the building's underlying mortgage, real-estate taxes, staff, heat, and reserves. The board operates in the manner typical of an established West Side co-op — primary-residence orientation, customary financing limits, and a sublet policy oriented toward owner-occupancy. We help buyers review the current rules, financing cap, and any flip tax before they commit.

Local Law 97

Carbon-penalty exposure
🟠
Material — penalties in current period, escalating in 2030
2024–2029 annual penalty
$2,123/yr
2030–2034 annual penalty
$76,382/yr
Per unit / month range
$5 – $168

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

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

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.

Inspection history
2005–10
Safe
2010–15
Safe
2015–20
Safe
2020–25
SWARMP
2025–30
Due
Next report due
by Feb 2028
Assessed · 2005–10 to 2020–25
$9,000 in filing penalties
payment status not in the record
The three grades, in buyer terms
SafeLatest filing: Safe — no repairs required at that inspection.
SWARMPLatest filing: repairs required before the next inspection cycle.
UnsafeLatest filing: unsafe conditions requiring corrective action.
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.

See the full facade history →

Management & transfer contacts

Managing agent
Flip tax
1% of purchase price, paid by seller from buyer
Sublet policy
Sublet Surcharge 20% of monthly maintenance, billed monthly (upon approval)
Notable fees
Financing limited to 75% of appraised value; Recognition Agreement Fee $400 if mortgage
Transfer facts compiled by The Roebling Team · as of 2026-07. Confirm current policies and fees with the managing agent before contract.

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.

DateUnitApartmentPricePPSFvs. Ask
Apr 15, 20249C
4 BR · 3 BA
$4,650,000-6.9%
Jun 15, 20222A
4 BR · 2.5 BA · 2,134 sf
$3,600,000$1,687/sf+0.0%
Jul 9, 20198D
1 BR · 1 BA · 825 sf
$875,000$1,061/sf-1.7%
Mar 6, 2019PH
2 BR · 2.5 BA · 1,925 sf
$2,500,000$1,299/sf-16.5%
Dec 28, 20168D
1 BR · 1 BA · 825 sf
$825,000$1,000/sf-3.5%
Mar 29, 201612B
3 BR · 3 BA
$2,300,000-23.2%
Aug 6, 20155C
4 BR
$3,175,000-3.8%
Jul 20, 20153D
2 BR · 900 sf
$780,000$867/sf+4.7%

Market read. $/sf is measured on the latest sales with reliable square footage (2022): a median $1,236/sf across 1 sale. The building has traded as recently as 2024. 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.

8D · 825 sf+39%
$627,500 ($761/sf) 2011$825,000 ($1,000/sf) 2016$875,000 ($1,061/sf) 2019
4A+39%
$2,595,000 2006$3,600,000 2013
2C+39%
$1,425,000 2007$1,975,000 2013
9C+37%
$3,400,000 2013$4,650,000 2024
8B+34%
$1,995,000 2006$2,667,000 2013
View all 36 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 1-01238-0010) 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

Buying here means buying architecture — the façade and the period interiors are the asset, and a renovation here should respect rather than erase the original detail. Plan for the co-op fundamentals: board approval, a documented package, an interview, and maintenance that reflects a fully staffed pre-war building. Confirm the financing limit, sublet policy, pet rules, and any flip tax as part of your offer strategy, since these govern resale liquidity. Inventory is thin, so a buyer who finds the right apartment in this building should be prepared to move decisively.

What to know if you’re selling

The Cornwall sells itself on distinction — the roofline, the corner, the original interiors, and the Broadway-at-90th convenience. Lead with what cannot be replicated: the Neville & Bagge architecture and the preserved pre-war detail. Renovated homes should be benchmarked against the best Broadway-corridor pre-war co-ops; original homes priced to reflect both their charm and the work a buyer will take on. Scarcity works in a seller's favor here — a well-presented apartment in a building that rarely lists draws focused demand. We position the listing against the right comparable set and manage the board package end to end.

Comparable buildings

If you're considering The Cornwall, also evaluate these nearby Upper West Side cooperatives:

The neighborhood

For the full corridor — architecture, schools, transit, and pricing across Upper West Side — read The Roebling Team Guide to Upper West Side.

Preparing a board package for this building?

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 The Cornwall?

Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.

Prefer to speak directly? Schedule a consultation →
Corey Cohen, Principal · The Roebling Team at Compass
646.939.7375 · c.cohen@compass.com