What the listing does not show
405 West 23rd Street #12B
in 405 West 23rd StreetManhattan, NY 10011CondominiumHigh risk
Listed at $745,000. The listing does not mention what city records show: 14 open housing violations, 1 of them immediately hazardous. A buyer can put that on the table before contract. A seller should expect the question.
- Asking
- $745,000
- Beds
- Studio
- Baths
- 1 bath
- Building
- Condominium
- Built
- 1932
- Open housing violations
- 14
- Immediately hazardous
- 1
- Open building violations
- 18
- Unresolved penalties
- 2
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.
- 011 open Class C (immediately hazardous) housing violation a buyer can raise, and a seller should be ready to explain.
- 0218 open Buildings Department violations, which can slow a closing.
- 032 unresolved penalties (2 hazardous) that can follow the property into the sale.
- 04Inside a FEMA 100-year flood zone, which can change insurance and what a lender will accept.
02 / Building
The building
City records for 405 West 23rd Street, the building this listing is in. Department of Finance class RM: Condominium.
- Type
- Condominium
- Year built
- 1932Alterations: 1983
- Floors
- 19
- Units
- 312 residential
- Building area
- 668,258 ft²
- Residential / commercial
- 616,965 / 51,293 ft²
- Lot
- 49,375 ft²
- Assessed value
- $105,464,700Tax assessment, not market value
- Assessed land
- $6,094,351
- Tax exemption
- $1,840,691
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)
14
open violations
1 immediately hazardous, 9 hazardous, 4 non-hazardous, 0 informational.
Registration current, ended Sep 1, 2027. Owner state NY.
Buildings (DOB)
18
open violations
3 safety-related. Most recent open filing Sep 24, 2013.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
2
unresolved
2 hazardous. $46,315 imposed, last issued Aug 22, 2026.
Unpaid balance
05 / Full report
Not on the listing
Sale prices, mortgage amounts and document amounts the city has on file. The listing does not include them.
Condominium sales are recorded unit by unit, so deeds and mortgages are not combined for the whole building.
Unlock the recorded amounts for 405 West 23rd Street #12B
After you register, the paid report includes who owns the building, plus the amounts below from the city file.
- Owner details
- Unpaid penalty balance
Paid report
The rest of 405 West 23rd Street #12B is not on the listing
After you register, the paid report names the owner. It also includes the city-file amounts the listing leaves out.
- Owner details
- Unpaid penalty balance
Same building
Other listings at 405 West 23rd Street
06 / FAQ
Questions
How many open violations does 405 West 23rd Street #12B have?
As of Oct 6, 2026, the building at 405 West 23rd Street has 14 open HPD violations (1 Class C, 9 Class B, 4 Class A, 0 Class I), 18 open DOB violations, 2 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.
What amounts are recorded for 405 West 23rd Street?
Owner details are in the paid report, available after you register. Unpaid penalty balance is in the city file and included there too.
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.