1233 York Avenue
Building overview
Data as of Jul 1, 2026
Based on open violations, 311 complaint patterns, and amenities.
Compared to typical rent for this neighborhood and bedroom count.
Highlights
What's great about this place
Limited highlights data — verify with a tour.
Things to Know
Real considerations before you sign
- Top complaint type at this building30 noise complaints in past year
- Higher noise than typical for the neighborhood30 noise complaints in past year (vs 1 median)
- Significant issues across building dataSee violation history below for details
About this building
A 23-story building located in Upper East Side-Lenox Hill-Roosevelt Island, containing 151 residential units. Built in 1969.
The neighborhood: Upper East Side
Manhattan · 3,838 buildings tracked
Median asking rent: $4,895 1BR · $9,995 2BR
8 subway stations nearby
4 parks · 1.3 acres · incl. Twenty-Four Sycamores Park
Available Units
0 active
No past listings.
Past and off-market units will appear here when data is available.
Safety & Violations
Safety Record
Active Violations
Higher than typical for this neighborhood (4 vs 1 average per building).
Top issues
- Structural2
- Pests1
- Window/Door1
Severity Key
- Class C: Immediately Hazardous (Major)
- Class B: Hazardous (Moderate)
- Class A: Non-Hazardous (Minor)
- Structural
THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE KITCHEN LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Sep 8, 2025Class B - Structural
THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 2nd ROOM FROM NORTH LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Sep 8, 2025Class B - Pests
A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Apr 29, 2026Class A - Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE BELL BUZZER INTERCOM SYSTEM FROM THE BOX BUILDING ENTRANCE DOOR TO THE BOX PHONE APPLICATION IN THE ENTRANCE LOCATED AT APT 1E, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Sep 11, 2025Class A
Market Value Estimate
Statistical estimate based on publicly available listing data. Not an appraisal. See disclaimer.Market data as of Jul 1, 2026.
Comp Matrix
| Unit Type | This Bldg | Area Avg | Diff. |
|---|---|---|---|
| Studio | — | $3,587.5 | — |
| 1 Bed | — | $4,895 | — |
| 2 Bed | — | $9,995 | — |
| 3+ Bed | — | $11,875 | — |
Value Verdict
Insufficient listing or market data to compute a verdict for this building.
Rent vs. Buy Analysis
No listing data available to estimate rent vs. buy.
Management & Operations
Management & Performance
Owner/Operator
MEMORIAL SLOAN-KETTERING
Responsiveness Score
Average time to resolve violations
Slower than NYC average (45 days)
We haven't verified this building's policies yet. Pet, utility, and leasing details appear here once we've reviewed the management company's official site — we only show policies we can source, never assumptions.
Living here — quick answers
Every answer comes from public records for this specific building — we skip questions we can't answer with data.
- How well maintained is this building?
- There are 4 open HPD violations on record, none in the city's most serious category (Class C). That's higher than typical for the neighborhood (1 average per building).
- Is this building rent-stabilized?
- Yes — this building appears on the DHCR rent-stabilized building list. Ask the landlord to confirm whether a specific apartment is stabilized.
- How noisy is this building?
- Neighbors filed 30 noise complaints with 311 in the past year, above the neighborhood median of 1 among buildings with any noise complaints.
- How responsive is management to problems?
- Resolved violations at this building closed in about 481 days on average (NYC average is roughly 45 days). Open items are listed in the Safety & Violations section above.
- What does it cost to live here?
- We don't have current listings for this building. Typical asking rent in Upper East Side is about $4,895/month for a one-bedroom.