Manhattan condos · below 96th $1,600/sf ▴2%Manhattan co-ops · below 96th $270K/room ▴2%Central Park perimeterPark Ave $478K/room ▴19%CPW $355K/room ▾5%Fifth Ave $501K/room ▴19%Billionaires' Row $4,313/sf ▴24%Hudson Yards $2,140/sf ▾6%
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Cooperative · 1972
Carnegie Tower
115 East 87th Street, New York, NY 10128

Carnegie Tower (115 East 87th Street)

115 East 87th Street, New York, NY 10128

Carnegie Hill, Upper East Side

BBL 1015167502 · BIN 1048043

At a glance
Year built
1972
Type
Cooperative
Units
198
Floors
38
Landmark
No
Pets
Permitted
Financing
Up to 75 percent — confirm current maximum with the managing agent
Flip tax
1 percent of the gross sale price plus 2 percent of profit, seller-paid — confirm current terms at offer stage

Carnegie Tower sales history: 158 recorded sales

The Data Room

Every recorded sale at this building, 1999–2026

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

Median $/sf (floor-adjusted)
$1,646
Listing discount
1.4%
Recorded sales
158
On record
1999–2026
Considering a sale?

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

A Private Pricing Opinion — what your apartment at Carnegie Tower 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.

Carnegie Tower is the flexible full-service co-op of central Carnegie Hill — a 38-story beige-brick tower off Park Avenue, built in 1972 and converted to a cooperative in 1986, that pairs a full-service address two blocks from Central Park with a policy framework accommodating for the neighborhood: pieds-à-terre are permitted, financing runs to roughly 75 percent, and pets are welcome. In a corridor of strict pre-war co-ops, that flexibility is the building's defining feature.

The building's value proposition is location plus livability at a co-op price. It sits mid-block between Park and Lexington, deep enough off the avenues to be quiet, with a large landscaped fifth-floor wraparound terrace that gives residents genuine outdoor common space — a rarity in the pre-war co-op stock nearby. The 38-story height delivers open Carnegie Hill and, on the upper floors, city and park-direction sightlines that the surrounding low-rise brownstone context cannot. Priced per room in the co-op tradition, it is a value entry into one of Manhattan's most sought-after residential neighborhoods, with maintenance that brokers consistently cite as a selling point.

The mixed-use structure is worth understanding plainly: the residential tower rises over a base that contains a public school, entered separately from East 88th Street. That is the reason for the building's mixed residential/commercial tax class, and it is a fact for buyers to note rather than a concern — the school and the residences operate independently.

Architecture and unit composition

Carnegie Tower is a beige-brick midblock tower of the early 1970s, set back deeply from the side streets and grounded by a landscaped, canopied entrance. Its most distinctive residential feature is the large landscaped wraparound terrace on the fifth floor — a full-service common amenity that most Carnegie Hill co-ops lack. We do not carry an architect or developer attribution for the building because public records do not firmly document one, and we decline to guess.

The 198 residences run from studios and one-bedrooms — which dominate the stock and, priced per room, are the building's currency — through two- and three-bedroom homes. Layouts are efficient early-1970s co-op plans: defined entries, separated kitchens, and generous closets that renovate well. The upper floors carry the widest light and the strongest exposures.

Building operations

Carnegie Tower operates as a full-service cooperative: a 24-hour doorman, a concierge, a live-in superintendent, the landscaped fifth-floor terrace, a laundry room, a bike room, private storage, an on-site valet parking garage, a package room, and an interior courtyard. Management runs the building on a moderate maintenance basis that brokers consistently credit — a function of disciplined operations rather than large commercial income. Buyers should review the financials, the reserve position, and any assessment during diligence, and confirm the current flip tax, sublet terms, financing maximum, and pied-à-terre policy with the managing agent — these are the building's most important transactional facts and can drift over time.

Local Law 97

Carbon-penalty exposure
🟢
Strong — under cap in both periods
2024–2029 annual penalty
$0 (under cap)
2030–2034 annual penalty
$0 (under cap)
Per unit / month range
—

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, with repairs due by the deadline stated in the filing. 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
SWARMP
2015–20
SWARMP
2020–25
SWARMP
2025–30
Due
Next report due
by Feb 2027
Assessed · 2005–10 to 2020–25
$1,000 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 are due by the deadline stated in the filing.
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 gross purchase price PLUS 2% of profit (seller); original contract of sale required to determine amount
Sublet policy
Allowed pending board approval; sublet fee 10% of monthly maintenance (billed monthly); sublet renewal subtenant app $250
Pied-à-terre
Allowed
Notable fees
App processing $700; credit report $325/person; closing $850 ($1,100 other location); financing fee $400; rush review $500; alteration $250-$2,500. Max financing 75%
Transfer facts compiled by The Roebling Team · as of 2026-07. Confirm current policies and fees with the managing agent before contract.

Recent sales

Carnegie Tower trades as an accessible, flexible full-service Carnegie Hill co-op, priced per room, where the moderate maintenance and the unusually permissive rules drive absorption. Studios and one-bedrooms are the most liquid stock; upper floors and the strongest exposures carry a premium. The pied-à-terre and roughly 75-percent-financing flexibility widen the buyer pool relative to the strict pre-war co-ops nearby. Recorded sales auto-populate from public records; unit-level history and current same-line comparables are maintained in The Roebling Research Library and shared with clients during diligence. Because the building is priced per room, same-room-count comparables — not blended per-foot figures — are the correct analytical unit.

Recent transfers at this building, from The Roebling Research Library. 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
Jul 16, 202638F
2 BR · 2 BA
$2,600,000-3.5%
Apr 14, 202618A
3 BR · 2 BA · 1,400 sf
$2,150,000$1,536/sf-6.3%
Jan 29, 202620EF
4 BR · 4 BA
$3,525,000+0.0%
Oct 14, 202511C
2 BR · 1,400 sf
$2,100,000$1,500/sf-5.6%
Aug 27, 202526B
1 BR · 1.5 BA · 1,000 sf
$1,310,000$1,310/sf-3.0%
Jul 22, 202510B
1 BR · 1.5 BA
$1,295,000+0.0%
Jul 11, 202433E
2 BR · 1.5 BA · 1,000 sf
$1,325,000$1,325/sf+0.0%
Jul 2, 202417BC
3 BR · 4 BA · 2,400 sf
$3,300,000$1,375/sf-2.8%

Market read. Most recent trades (2026) cleared a median $1,646/sf (floor-adjusted) across 1 sale. Floor-adjusted means each sale is restated to a constant mix of floors, so the figure can differ from the plain median of the sales listed above. Median listing discount 1.4% 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.

38C+103%
$1,475,000 2005 → $3,000,000 2018
26B · 1,000 sf+75%
$750,000 ($750/sf) 2009 → $1,310,000 ($1,310/sf) 2025
38F+72%
$1,510,000 ($1,079/sf) 2011 → $2,500,000 ($1,786/sf) 2016 → $2,600,000 2026
14CD · 2,800 sf+68%
$3,100,000 2008 → $5,200,000 ($1,857/sf) 2022
39D+62%
$1,700,000 ($1,214/sf) 2010 → $2,761,000 2021
View all 158 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 1-01516-7502). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. 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 would buying here cost?

At the recent median sale of $2.15M (6 transfers since 2024), a buyer putting 25% down would pay about $41,425 to close, or 1.9% of the price.

  • Mansion tax: $26,875
  • No mortgage recording tax or title insurance on a co-op purchase
  • Attorneys, lender, building fees and filings: $14,550

Assumes a resale (the seller pays transfer taxes), a $4,500 attorney fee and a mortgage on the rest.

The Roebling Report

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What to know if you’re buying

The flexibility is the reason to be here. Pieds-à-terre and roughly 75 percent financing are unusual for a Carnegie Hill co-op and widen your options materially. Confirm the current pied-à-terre policy, financing maximum, and sublet terms in writing — co-op postures drift. Run the Co-op Board Qualification Calculator before offering.

The flip tax shapes your basis. The seller-paid flip tax — 1 percent of the gross price plus 2 percent of profit — is a specific structure; confirm the current terms, as it affects both sides of a future trade.

Price per room, and buy the floor. As a per-room co-op, the studios and one-bedrooms are the currency; upper floors carry the light. Use same-room-count comparables. Run the True Monthly Carrying Cost Calculator on the unit.

Note the mixed-use base. The residential tower sits over a public school entered from 88th Street. The two operate independently; it explains the building's tax class and is a fact to understand, not a concern.

What to know if you’re selling

Sell the flexibility and the terrace. The pied-à-terre policy, the roughly 75 percent financing, and the landscaped fifth-floor terrace are the differentiators against the strict pre-war co-ops nearby. Market them directly.

Sell the carry. Moderate maintenance in central Carnegie Hill is a headline buyers respond to. Document it.

Position the flip tax honestly. The seller-paid 1-percent-plus-2-percent structure should be built into pricing strategy from the start. Run the Seller Closing Cost Calculator before listing.

Price per room and by floor. Studios and one-bedrooms are the liquid stock; upper floors carry premiums. Use the right comparable set.

Comparable buildings

If you're considering Carnegie Tower, also evaluate:

More Upper East Side buildings

The neighborhood

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

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