17 East 89th Street
17 East 89th Street, New York, NY 10128
Carnegie Hill, Upper East Side
BBL 1015010016 · BIN 1046971
- Year built
- 1924
- Type
- Cooperative
- Units
- 62
- Floors
- 12
- Flip tax
- 2%, buyer-paid
- Subletting
- Permitted with Board approval.
- Pied-à-terre
- Not permitted.
Compiled by The Roebling Research Desk from the building’s offering plan, amendments, and related building documents (primary source dated 2026). Board policies can change by amendment — confirm at the offer stage.
Every recorded sale at this building, 2004–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 3BR median
- $2.9M
- Recent range
- $995K – $5.5M
- Listing discount
- 3.6%
- Recorded transfers
- 41
17 East 89th Street is generally considered one of the most prestigious prewar buildings in Carnegie Hill and is the work of Gaetan Ajello, an important Italian-born NYC apartment architect whose broader body of work includes 145 West 86th, 410 Riverside Drive, and several Riverside / Central Park West buildings.
The reputation rests, first, on the Ajello architectural pedigree — a significant 1920s Italian-born NYC apartment architect with a substantial Riverside and CPW corpus behind him. Where the building diverges from its Carnegie Hill peers is on terms: a 65% financing maximum and 2% buyer-paid flip tax that sit at the moderately accommodating end of the prewar tier, and, most usefully for anyone planning renovation, a no-summer-work-rules policy — many Carnegie Hill boards bar June-September construction, and 17 East 89th does not.
Additional amenity: landscaped roof terrace with Central Park views — uncommon for a Carnegie Hill cross-street prewar.
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 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.
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 →Management & transfer contacts
- Flip tax
- 2% of gross consideration (1% for purchases by existing shareholders) (Buyer)
- Sublet policy
- Allowed; subletting fee $300
- Pied-à-terre
- Not allowed
- Notable fees
- App Processing $600 ($1,000 trust); Co-applicant/Guarantor $250 each; Background (Fidelifacts) $871/applicant, $1,633.13/married couple; Roof Deck Membership $7,000; Closing Fee $800 (w/broker)/$850 + $0.05/share
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 |
|---|---|---|---|---|---|
| Feb 4, 2026 | 8E | 2 BR · 2 BA · 1,100 sf | $995,000 | $905/sf | +0.0% |
| Jan 27, 2026 | 10A | 4 BR · 3.5 BA | $5,450,000 | -2.7% | |
| Oct 6, 2025 | 10E | 2 BR · 1.5 BA | $995,000 | +0.0% | |
| Jun 20, 2024 | 8B | 3 BR · 2 BA · 2,006 sf | $2,575,000 | $1,284/sf | +3.2% |
| May 30, 2024 | 3B | 3 BR · 2.5 BA | $2,300,000 | -7.8% | |
| Apr 18, 2024 | 5E | 2 BR · 2 BA | $995,000 | -5.2% | |
| Feb 8, 2024 | 8C | 3 BR · 2.5 BA · 2,437 sf | $4,575,000 | $1,877/sf | -4.6% |
| May 19, 2023 | 4B | 3 BR · 3 BA · 2,006 sf | $3,229,100 | $1,610/sf | -4.9% |
Market read. Most recent trades (2026) cleared a median $638/sf across 1 sale. Median listing discount 4.4% 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.
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 1-01501-0016) 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
The Gaetan Ajello architectural pedigree is real institutional context. Ajello's broader Manhattan corpus places 17 East 89th in a specific 1920s Italian-born NYC apartment architect tradition.
The no-summer-work-rules policy is structurally distinguishing. Buyers planning renovation gain materially expanded construction windows versus peer Carnegie Hill cooperatives.
The 65% financing maximum is moderately accommodating for Carnegie Hill prewar. Plan accordingly.
The 2% buyer-paid flip tax is meaningful at closing. Factor into carrying-cost and net-proceeds calculations.
The landscaped roof terrace with Central Park views is a structurally distinguishing amenity for a cross-street prewar.
The pet-friendly posture and the children's playroom support family-oriented buyer fit.
Closing timelines are cooperative-standard. Plan for 6 to 10 weeks from contract through board approval to closing.
Comparable buildings
- 14 East 90th Street — Carpenter 1928; nearby Carnegie Hill peer
- 4 East 88th Street — 1922 Georgian Revival; nearby Carnegie Hill peer
- 19 East 88th Street — Dowling 1937 Art Deco; nearby Carnegie Hill peer
- 21 East 87th Street — Roth 1927; nearby Carnegie Hill peer
- 15 East 91st Street — Schultze 1947; nearby Carnegie Hill peer
Sources: The Roebling Research Library (offering plans, house rules, financial statements, board minutes, internal transaction records); NYC Department of Finance recorded transfers; publicly recorded NYC building data.
The neighborhood
For the full corridor — architecture, schools, transit, and pricing across Upper East Side — read The Roebling Team Guide to Upper East Side.
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.
Considering a move at 17 East 89th Street?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 17 East 89th Street 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.