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Condominium · 1962
Trafalgar House
120 East 90th Street, New York, NY 10128

Trafalgar House (120 East 90th Street)

120 East 90th Street, New York, NY 10128

Carnegie Hill, Upper East Side

BBL 1015187501 · BIN 1048139

At a glance
Year built
1962
Type
Condominium
Units
104
Floors
15
Landmark
No
Pets
Pets are reported not to be permitted in listing records. This is a significant restriction and should be confirmed in the house rules with the managing agent before an offer
The Data Room

Every recorded sale at this building, 2003–2026

Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.

Median $/sf
$1,064
Listing discount
2.9%
Recorded sales
116
On record
2003–2026

Carnegie Hill is a preservation neighborhood, and that fact governs its inventory. Most of the blocks between Park and Lexington in the high 80s and 90s are inside designated historic districts, where the stock is prewar and the co-op is the default tenure. Trafalgar House is the exception on both counts: a postwar building on an undesignated lot, and a condominium rather than a cooperative. For a buyer who wants Carnegie Hill — the Cooper Hewitt and the Guggenheim a few blocks west, Central Park at the end of the block, the 86th Street express station a short walk south — but who cannot or will not go through a co-op board, the field of options narrows very quickly, and this building is on the short list.

The condominium came out of the 1980s conversion wave. Trafalgar House Company brought a plan to the market in March 1983 and closed it in October 1984 as an eviction plan, which was the harder of the two forms available at the time and which reset the building's occupancy over the years that followed. The plan offered 104 residential units alongside a superintendent's unit, a professional unit and one commercial unit at the Lexington Avenue end — a composition the condominium still carries. That professional unit and the commercial space matter to the operating picture: they contribute to the common expense base rather than sitting outside it.

What distinguishes Trafalgar House from a buyer's perspective is not architecture. It is a white-brick postwar building of its period, competently massed on a mid-block lot, with a canopied entrance and a regular window rhythm broken by through-wall air conditioners. The distinguishing facts are structural: condominium tenure in a co-op neighborhood, no historic district constraint on the property, no tax abatement to burn off and therefore no scheduled step-up in carrying cost, and — as of the most recent statements on file — a building that has just come through a very large capital cycle. That last point is the one that deserves the most attention, and it cuts both ways.

Architecture and unit composition

The building rises fifteen stories per city records, on a lot roughly 80 feet wide, with about 81,000 square feet of building area of which roughly 71,000 is residential and 10,000 commercial. It reads as a period white-brick apartment house: consistent fenestration, protruding air-conditioner sleeves, sidewalk landscaping at a canopied entrance, two elevators serving the residential floors.

The 104 residences as originally offered ran the postwar range from studios and one-bedrooms through larger family layouts. A meaningful number have been combined since conversion — Department of Buildings alteration filings record combinations on the eleventh and fifteenth floors among others, which is why PLUTO's current count of 102 residential units sits below the 104 in the offering plan. Buyers should expect a wider spread of layouts than the original plan implies, and should treat the floor plan of any specific unit as the governing document rather than reasoning from the line letter.

Because this is a condominium, pricing is a square-footage exercise. Normalize for floor, exposure — the building's north and south exposures behave very differently on a mid-block lot between Park and Lexington — and the extent of renovation, which varies widely across a forty-year ownership history.

Building operations and capital posture

Trafalgar House's financial position is unusually legible from the audited statements on file, and it is the most useful thing a prospective buyer can read.

The building has just completed a major capital cycle. In 2021 the board imposed a capital assessment of $4.5 million to fund replacement of the building's HVAC risers, Local Law 11 façade restoration, and roof repairs, with a discount for owners who paid in full. A separate assessment of roughly $328,000 for electric panel replacement ran alongside it. The riser replacement was contracted in June 2021 at roughly $3.19 million; through the end of 2023 approximately $3.10 million of that had been spent, leaving a small remainder. New chillers were contracted in 2024. In practical terms, the two largest deferred-capital items a postwar building of this vintage faces — mechanical distribution and façade — have been addressed and paid for by the current owner base rather than deferred onto the next one.

Reserves are modest and are not required. The condominium's governing documents do not require funds to be accumulated for future major repairs, no reserve study has been conducted, and no funding plan has been adopted. Reserve balances at the most recent year-end on file sat under $600,000. The board's stated mechanism for future capital needs is to raise common charges, levy a special assessment, or defer the work. A buyer should read that as it is written: capital work here is funded by assessment, and the 2021 assessment is the template.

Operating assessments have been used for insurance. In both of the two most recent years on file the board imposed operating assessments specifically to offset increases in insurance premiums, and in 2023 a fuel surcharge was levied and then converted into a reserve-building assessment. Anyone underwriting the monthly carry should ask for the current common charge and the current assessment schedule, because the two have not been the same number in recent years.

Collections have been an active issue. The condominium has retained counsel, placed liens, and pursued foreclosure proceedings against delinquent unit owners to recover unpaid common charges and assessments. The allowances for uncollectible amounts fell sharply between the two most recent years on file, and the condominium's equity position moved from a deficit to a small positive at the most recent year-end — so the direction of travel is good, but the collections history is real and belongs in a buyer's read of the building.

There is pending litigation. A complaint filed in 2009 by two unit owners against the condominium, members of its board and its managing agent, arising from a unit renovation and alleging discriminatory treatment, remains unresolved. The court denied the plaintiffs' request for injunctive relief and dismissed two causes of action early on; the condominium's motion for partial summary judgment was denied in 2023, and the matter was expected to proceed toward trial absent settlement. The defense is being funded by the directors and officers liability carrier subject to a reservation of rights, and no provision for liability has been recorded. This is disclosed in the audited financial statements and a buyer's attorney will see it in diligence; it is noted here so it is not a surprise.

Policy framework

Transfer fee: The lesser of one percent of the gross purchase price or the profit on the sale, payable by the incoming unit owner at closing. That "lesser of" formulation is favorable relative to a flat percentage flip tax and is worth modeling correctly.

Sublet fee: Two months of the then-current common charges, charged annually for as long as the unit is rented. Subletting is permitted, but this is a real cost and it materially changes the math for an investor buyer.

Move-in and move-out fees apply, as do storage fees for building storage.

Pets: Reported not permitted in listing records. Confirm the house rules directly — this is the single policy most likely to disqualify a buyer here, and it is the one most worth verifying rather than assuming.

Board process: As a condominium, the board exercises a right of first refusal on transfers rather than approving purchasers. The purchase package is lighter than a cooperative's, and financing is a conventional mortgage on real property.

Local Law 97

Carbon-penalty exposure
🟠
Material — penalties in current period, escalating in 2030
2024–2029 annual penalty
$3,160/yr
2030–2034 annual penalty
$73,869/yr
Per unit / month range
$3 – $60

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
SWARMP
2010–15
Safe
2015–20
Safe
2020–25
SWARMP
2025–30
Due
Next report due
by Feb 2028
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).

Source: NYC DOB facade filings (FISP) · The Roebling Research Library. City record last verified September 2026.

See the full facade history →

Recent sales

Trafalgar House has a deep and continuous recorded transaction history running back to the first closings in October 1984, with sales in every year since. Recent recorded transfers go to a broad set of separate, unrelated purchasers — individuals, trusts, and estates — with no concentration in any single buyer. This is a fully individually owned condominium, not a sponsor-held or investor-held building.

Pricing is a per-square-foot exercise, and the building sits in Carnegie Hill's value tier rather than its trophy tier: postwar construction, a straightforward amenity package, and mid-block placement rather than an avenue address. Against that, buyers get condominium mechanics, no abatement burn-off risk, and — for the moment — a building whose largest capital items were addressed in the last cycle rather than looming over the next one. Sellers should expect the assessment history and the pending litigation disclosure to come up in diligence and should be prepared to explain both.

Unit-level transaction history is maintained in The Roebling Research Library and shared with clients during diligence.

Recent closings 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
Aug 11, 20267A
1 BA · 473 sf
$590,000$1,247/sf-1.7%
Apr 6, 202612A
1 BA · 550 sf
$575,000$1,045/sf-4.0%
Dec 23, 202510F
1 BA · 481 sf
$650,000$1,351/sf-6.5%
Oct 7, 202510E
2 BR · 2 BA · 1,132 sf
$1,975,000$1,745/sfoff-mkt
Sep 10, 202515ADE
4 BR · 3 BA · 2,615 sf
$3,150,000$1,205/sf+5.2%
Sep 9, 202511B
1 BR · 550 sf
$702,000$1,276/sfoff-mkt
Aug 4, 20258C
2 BR · 1 BA · 850 sf
$1,100,000$1,294/sf-7.9%
Jul 11, 202516E
1 BR · 1.5 BA · 981 sf
$1,250,000$1,274/sf-3.5%

Market read. Most recent trades (2026) cleared a median $1,064/sf across 2 sales. Median listing discount 2.9% 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.

16B · 550 sf+77%
$395,000 ($718/sf) 2003$580,000 ($1,055/sf) 2010$701,034 ($1,275/sf) 2019
10E · 1,132 sf+40%
$1,412,775 ($1,248/sf) 2015$1,975,000 ($1,745/sf) 2025
8C · 850 sf+39%
$790,000 ($936/sf) 2005$999,000 ($1,184/sf) 2019$1,100,000 ($1,294/sf) 2025
7G · 754 sf+37%
$675,000 ($895/sf) 2010$925,000 ($1,227/sf) 2022
5A · 473 sf+33%
$450,000 ($951/sf) 2012$599,000 ($1,266/sf) 2024
View all 116 recorded sales, 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 1-01518-7501) 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 from recorded condo declarations and offering plans.

What to know if you’re buying

Ask for the current assessment schedule, not just the common charge. Between the 2021 capital assessment, the insurance operating assessments, and the 2023 fuel-and-reserve assessment, the headline common charge has understated the true monthly for several years running.

Confirm the pet policy in writing. Listing records report that pets are not permitted. If that is a threshold issue, resolve it before you spend money on diligence.

Read the litigation note in the current financials. It has been in the statements since 2009. Your attorney will want the current status.

Model the transfer fee correctly. It is the lesser of one percent of price or the profit on the sale — which for a seller in a flat market can be considerably less than one percent.

Verify the unit's actual configuration. With combinations recorded across multiple floors, the line letter is not a reliable guide to layout or size.

What to know if you’re selling

Lead with the capital story. The risers, façade and roof were done and paid for. In a postwar Carnegie Hill condominium, that is the argument, and it is worth more than an amenity list.

Be ready on the assessment and litigation disclosures. Both are in the audited statements a buyer's attorney will read. Getting ahead of them is far better than being asked.

Price against the neighborhood's condominium supply, not its cooperative supply. The competitive set for a Carnegie Hill condominium buyer is small, and that scarcity is the building's pricing advantage.

Comparable buildings

If you're considering Trafalgar House, also evaluate:

  • 114 East 90th Street — 1925 prewar cooperative on the same block; the tenure-and-vintage alternative a few doors west
  • 1111 Park Avenue — 1925 Park Avenue cooperative on the same tax block, inside the Park Avenue Historic District; the prewar avenue tier
  • 1105 Park Avenue — 1923 Park Avenue cooperative on the same tax block; a direct prewar co-op comparison
  • 1349 Lexington Avenue — 1922 Carnegie Hill cooperative on the same block; smaller prewar share purchase
  • 115 East 87th Street — Carnegie Hill condominium; the closest direct condominium peer for tenure and location
  • 120 East 87th Street — large full-service Carnegie Hill condominium complex a few blocks south; the amenity-rich condominium alternative
  • 134 East 93rd Street — Carnegie Hill condominium a few blocks north; comparable undesignated lot within a preservation neighborhood
  • 181 East 90th Street — same-street alternative east of Lexington
  • 161 East 90th Street — same-street alternative between Lexington and Third
  • 126 East 86th Street — new-construction Carnegie Hill condominium; the contemporary, higher-tier alternative

The neighborhood

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

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.

Considering a move at Trafalgar House?

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
Considering a sale?

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

A Private Pricing Opinion — what your apartment at Trafalgar House 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.