521 West 122nd Street
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
- Pre-war characterBuilt in 1907
Things to Know
Real considerations before you sign
- Open critical violations4 Class C (immediately hazardous)
- Top complaint type at this building45 heat complaints in past year
- Significant issues across building dataSee violation history below for details
About this building
A 6-story building located in Morningside Heights, containing 32 residential units. Built in 1907.
The Building DNA
Building Services
Unit Perks
The neighborhood: Morningside Heights
Manhattan · 449 buildings tracked
Median asking rent: $5,509 1BR · $5,999 2BR
2 subway stations nearby
2 parks · 0.3 acres · incl. Old Croton Aqueduct Gatehouse
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 (14 vs 2 average per building).
Top issues
- Safety6
- Structural4
- Mold1
Severity Key
- Class C: Immediately Hazardous (Major)
- Class B: Hazardous (Moderate)
- Class A: Non-Hazardous (Minor)
- Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCHSET IN THE ENTRANCE LOCATED AT APT 43, 5th STORY, 2nd APARTMENT FROM WEST AT NORTH
Jan 20, 2026Class C - Pests
ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 61, 6th STORY, 2nd APARTMENT FROM EAST AT SOUTH
Nov 25, 2025Class C - Structural
THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 31, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
Jun 12, 2024Class C - Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 61, 6th STORY, 2nd APARTMENT FROM EAST AT SOUTH
Nov 28, 2023Class C - Safety
B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 43, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH
May 18, 2026Class B
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 | — | $2,600 | — |
| 1 Bed | — | $5,509 | — |
| 2 Bed | — | $5,999 | — |
| 3+ Bed | — | $4,999 | — |
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
WEST 122 STREET LLC
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 14 open HPD violations on record, including 4 Class C (the city's most serious category). That's higher than typical for the neighborhood (2 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 2 noise complaints with 311 in the past year, about the neighborhood median of 2.
- How responsive is management to problems?
- Resolved violations at this building closed in about 92 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 Morningside Heights is about $5,509/month for a one-bedroom.