What the listing does not show
434 West 23rd Street #C
in 434 West 23rd StreetManhattan, NY 10011Co-opLow risk
Listed at $1,995,000. The listing does not mention what city records show: 2 open housing violations and 0 open penalties.
- Asking
- $1,995,000
- Beds
- 2 beds
- Baths
- 2 baths
- Building
- Co-op
- Built
- 1854
- Open housing violations
- 2
- Immediately hazardous
- 0
- Open building violations
- 1
- Unresolved penalties
- 0
01 / Findings
What to ask about
City records a buyer can raise and a seller should be ready to explain. A reading of open filings, not a forecast.
- 012 open housing violations, none of them immediately hazardous.
- 021 open Buildings Department violation, which can slow a closing.
- 03Checked: no unresolved penalties on file.
- 04In the Chelsea Historic District Extension, so exterior changes are restricted.
- 05Inside a FEMA 100-year flood zone, which can change insurance and what a lender will accept.
- 061 co-op share transfers in the last 12 months. Co-op sales are not recorded as deeds, so they show up only here.
02 / Building
The building
City records for 434 West 23rd Street, the building this listing is in. Department of Finance class C6: Walk-up apartments.
- Type
- Co-op
- Year built
- 1854Alterations: 1988
- Floors
- 6
- Units
- 55 residential
- Building area
- 7,331 ft²
- Residential / commercial
- 7,331 / 0 ft²
- Lot
- 2,485 ft²25.17 × 98.75 ft
- Assessed value
- $1,494,000Tax assessment, not market value
- Assessed land
- $411,300
- Tax exemption
- None
04 / Checked
What was checked
A zero means the file exists and is clear. A dash means the city has no file for this address, which is not the same thing.
Housing (HPD)
2
open violations
0 immediately hazardous, 0 hazardous, 2 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
1
open violations
2 safety-related. Most recent open filing Jan 1, 2009.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
0
unresolved
No unresolved penalties on file.
05 / Full report
Not on the listing
How many documents and sales the city has on file for this building.
49 recorded documents · 0 sales of $10,000 or more · Last sale none · Last mortgage none
06 / FAQ
Questions
How many open violations does 434 West 23rd Street #C have?
As of Oct 6, 2026, the building at 434 West 23rd Street has 2 open HPD violations (0 Class C, 0 Class B, 2 Class A, 0 Class I), 1 open DOB violations, 0 unresolved ECB penalties. These are building records, so they apply to this listing.
Is this property in a flood zone?
Yes. The lot falls inside a FEMA 100-year flood zone on at least one of the 2007 or 2015 maps, which can affect insurance cost and lender requirements.
Where does this data come from?
Records are combined from NYC DCP PLUTO (tax lot, zoning, FAR); NYC HPD (housing violations and registrations); NYC DOB and ECB (building violations and penalties); NYC ACRIS (recorded deeds, mortgages and satisfactions); Active for-sale listings. PLUTO version 26v2.
Sources
NYC DCP PLUTO (tax lot, zoning, FAR) · NYC HPD (housing violations and registrations) · NYC DOB and ECB (building violations and penalties) · NYC ACRIS (recorded deeds, mortgages and satisfactions) · Active for-sale listings
PLUTO 26v2, refreshed Oct 6, 2026. Written for people buying or selling this property. Not legal, tax, or appraisal advice. Confirm the details with the city before you offer or list.