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Building report

309 West 21st Street

Public records for this building, including violations, complaints, housing court cases and ownership details.

Built
1900
Units
16
Owner of record
309 WEST 21ST STREET ASSOCIATES LLC
Open HPD violations
46
HPD records on file
149

Violations at 309 West 21st Street

149 on record
2026-09-08Class AOpen

§27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WITHIN THE COMMON AREA AT THE BUILDINGS ENTRANCE. FOR MORE INFORMATION ABOUT SIGNAGE REQUIREMENTS, PLEASE VISIT: HTTPS://WWW.NYC.GOV/SITE/HPD/SERVICES-AND-INFORMATION/REQUIRED-SIGNAGE.PAGE

HPD · 1520 · Record 19201828
2026-09-08Class BOpen

§ 27-2045(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 MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH

HPD · 702 · Record 19201827
2026-09-08Class BOpen

§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH

HPD · 1503 · Record 19201826
2026-09-08Class BOpen

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH SET AT DOOR IN THE ENTRANCE LOCATED AT APT 1B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH

HPD · 501 · Record 19201825
2026-09-08Class BOpen

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH AT SOUTH WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT 1B, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH

HPD · 501 · Record 19201824

Who owns 309 West 21st Street?

Owner of record: 309 WEST 21ST STREET ASSOCIATES LLC. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.

Apartments at 309 West 21st Street

Recorded residential units: 16. Recorded year built: 1900. These building facts do not show current vacancies or when a particular apartment was renovated.

This tax lot appears in the RGB list based on 2024 building registrations, published as of November 2025. That is a building-level historical signal; it does not identify which apartments are stabilized today. Check the official rent-stabilized building lists.

Look up more about this building

See the full record for 309 West 21st Street

The full report includes the grade, all 149 violations with dates and outcomes, housing court filings and ownership details.

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Included
  1. 01Overall grade and scores by category
  2. 02Details for all 149 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections