What the listing does not show
100 United Nations Plaza #17C
in 100 United Nations PlazaManhattan, NY 10017CondominiumHigh risk
Listed at $875,000. The listing does not mention what city records show: 3 open housing violations, 0 of them immediately hazardous. A buyer can put that on the table before contract. A seller should expect the question.
- Asking
- $875,000
- Beds
- 1 bed
- Baths
- 1 bath
- Size
- 791 ft²
- Building
- Condominium
- Built
- 1984
- Open housing violations
- 3
- Immediately hazardous
- 0
- Open building violations
- 9
- Unresolved penalties
- 3
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.
- 013 open housing violations, none of them immediately hazardous.
- 029 open Buildings Department violations, which can slow a closing.
- 033 unresolved penalties (1 hazardous) that can follow the property into the sale.
02 / Building
The building
City records for 100 United Nations Plaza, the building this listing is in. Department of Finance class R4: Condominium.
- Type
- Condominium
- Year built
- 1984
- Floors
- 49
- Units
- 238236 residential
- Building area
- 357,793 ft²
- Residential / commercial
- 326,300 / 31,493 ft²
- Lot
- 25,179 ft²272 × 100.42 ft
- Assessed value
- $63,980,556Tax assessment, not market value
- Assessed land
- $9,495,005
- Tax exemption
- $2,256,084
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)
3
open violations
0 immediately hazardous, 3 hazardous, 0 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
9
open violations
11 safety-related. Most recent open filing Oct 4, 2023.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
3
unresolved
1 hazardous. $18,600 imposed, last issued Oct 22, 2025.
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 100 United Nations Plaza
06 / FAQ
Questions
How many open violations does 100 United Nations Plaza #17C have?
As of Oct 21, 2026, the building at 100 United Nations Plaza has 3 open HPD violations (0 Class C, 3 Class B, 0 Class A, 0 Class I), 9 open DOB violations, 3 unresolved ECB penalties. These are building records, so they apply to this listing.
Is this property in a flood zone?
No. The lot is not inside a FEMA 100-year flood zone on the 2007 or 2015 maps.
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 21, 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.