409 West 21 Street
Manhattan, NY 10011BBL 1-00719-0034Map
Owner of record: Chelsea Square North INC
409 West 21 Street is a walk-up apartment building built in 1853 in Manhattan, 10011. It has 5 residential units across 4 floors. The owner of record is Chelsea Square North INC. HPD has recorded 4 housing violations here, most recently on June 4, 2025.
- HPD violations
- 4
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 0
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 4
- ANon-hazardous
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.
Jun 4, 2025
Closed — Violation dismissed - ANon-hazardous
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 1, 2024
Closed — Violation dismissed - IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 15, 2023
Closed — Violation dismissed - ANon-hazardous
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.
Mar 15, 2023
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
No HPD complaints in our records
Sales history
| Date | Price | Type | Units |
|---|---|---|---|
| Dec 2, 2025 | $1,520,000 | Coops - walkup apartments | — |
Building details
- Building type
- Walk-up apartment building (C6)
- Year built
- 1853
- Floors
- 4
- Residential units
- 5
- Building area
- 5,676 ft²
- Lot area
- 1,980 ft²
- Zoning
- R7B
- Community board
- 104
- Council district
- 3
- Block / lot
- 719 / 34
- Assessed value
- $1,156,500
- Landmark / historic district
- Chelsea Historic District
HPD registration #134241, last renewed Sep 9, 2025.
Questions about 409 West 21 Street
Who owns 409 West 21 Street?
The owner of record in NYC Department of City Planning PLUTO data is Chelsea Square North INC.
Does 409 West 21 Street have violations?
Yes. NYC HPD has recorded 4 housing violations at this property.
Is 409 West 21 Street rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 409 West 21 Street built?
City records list 1853 as the year it was built.
How many apartments are in 409 West 21 Street?
It has 5 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.