433 West 21 Street is tracked in NYC Property Audit as BBL 1007190020, located in MN, built in 1930, 69 residential units, 58 open DOB/HPD violation signals, FEMA flood zone X. The free preview keeps address-level facts crawl-visible while the full due-diligence report remains available in the audit.
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Audit
433 WEST 21 STREET
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Annual property tax estimated at ~$854,133 (Tax Class 2)· NYC DOF
Most recent mortgage: $700,000 from JPMORGAN CHASE BANK, N.A. in 2022 (+2 more on Financials)· ACRIS
Building Details
✓ Verified · PLUTO
Building Area
63,956 sf
Zoning
R7B
Basement
Partial Basement
Land Use
Multi-Family Elevator Buildings
Registered Owner
433 West Associates
Rent Regulation
Yes · 23 regulated units(DHCR)
Quick facts
How many units does this building have?
69 residential units.
How tall is this building?
13 stories, fireproof construction, built in 1930.
How big is the lot?
8,381 sq ft (84.83 ft × 98.75 ft).
What's the building class?
Class D1 — Elevator apt.
How many buildings are on this lot?
1 building on the lot.
Overall Outlook
Long-term signal for residential or commercial viability
Elevated Risk
Maintenance Reliability
Multiple open violations — proceed with caution
20 / 100
Safety
Stable low-activity area
82 / 100
Daily Life
Transit access via 23 St (C E)
~6 min subway
Compliance · 10-year history
Violation timeline
DOB · HPD · OATH
201620182020202220242026
Active46Resolved with debt0Resolved5Hover any dot for detail
Violations & maintenance history
HPD · DOB · OATH — 46 open, 5 resolved
Tip: this building has 69 residential units and 46 open violations across all of them. To see only the records affecting your apartment, run a new search with your unit number (e.g. 5A or PH2) in the APT / UNIT field on the homepage.
Open Issues — 46
Minor
Properly repair with similar material the broken or defective vinyl floor tiles at public hall, 2nd story
§ 27-2005 ADM CODE
HPD · Filed May 2026 · Open ·
Minor
§ 27-2017.3 HMC: trace and repair the source and abate the visible mold condition... Greater than 10SQ feet at north wall
Apt 9A · 9th floor · 2nd apartment from north at east
HPD · Filed May 2026 · Open ·
Minor
Properly repair or replace the broken or defective electrical outlet at west wall
§ 27-2005 HMCApt 9A · 9th floor · 1st room from east · 2nd apartment from north at east
HPD · Filed May 2026 · Open ·
Minor
Repair the broken or defective plastered surfaces and paint in a uniform color the north wall and ceiling
§ 27-2005 ADM CODEApt 9A · 9th floor · 4th room from east · 2nd apartment from north at east
HPD · Filed May 2026 · Open ·
Minor
Repair the broken or defective plastered surfaces and paint in a uniform color the north wall and ceiling
§ 27-2005 ADM CODEApt 9A · 9th floor · 2nd apartment from north at east
HPD · Filed May 2026 · Open ·
Resolved History — 5 (showing 3)
Closed
§ 27-2005, 2007 ADM code remove device preventing door from being self-closing kick down door stop at door leading to staircase (a) at east wall at cellar
HPD · Filed Mar 2026 · Closed
Closed
§ 27-2005, 2007 ADM code remove device preventing door from being self-closing kick down door stop at door leading to storage room at north at cellar
HPD · Filed Mar 2026 · Closed
Closed
§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( c) mdl and 28 rcny §25-171: replace or repair the self-closing doors that is missing or defective hinges at door leading to laundry room at east at cellar