What the listing does not show
21 South End Avenue #333
in 21 South End AvenueManhattan, NY 10280CondominiumLow risk
Listed at $539,000. The listing does not mention what city records show: 1 open housing violation and 0 open penalties.
- Asking
- $539,000
- Beds
- 1 bed
- Baths
- 1 bath
- Size
- 562 ft²
- Building
- Condominium
- Built
- 1988
- Open housing violations
- 1
- Immediately hazardous
- 0
- Open building violations
- 3
- 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.
- 011 open housing violation, none of them immediately hazardous.
- 023 open Buildings Department violations, which can slow a closing.
- 03Checked: no unresolved penalties on file.
- 04Inside a FEMA 100-year flood zone, which can change insurance and what a lender will accept.
02 / Building
The building
City records for 21 South End Avenue, the building this listing is in. Department of Finance class RM: Condominium.
- Type
- Condominium
- Year built
- 1988
- Floors
- 9
- Units
- 183181 residential
- Building area
- 194,762 ft²
- Residential / commercial
- 162,483 / 32,279 ft²
- Lot
- 45,203 ft²218 × 189.96 ft
- Assessed value
- $37,600,204Tax assessment, not market value
- Assessed land
- $6,346,801
- Tax exemption
- $37,600,204
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)
1
open violations
0 immediately hazardous, 0 hazardous, 1 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
3
open violations
0 safety-related. Most recent open filing Jan 15, 2021.
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.
Condominium sales are recorded unit by unit, so deeds and mortgages are not combined for the whole building.
Same building
Other listings at 21 South End Avenue
06 / FAQ
Questions
How many open violations does 21 South End Avenue #333 have?
As of Oct 6, 2026, the building at 21 South End Avenue has 1 open HPD violations (0 Class C, 0 Class B, 1 Class A, 0 Class I), 3 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.