What the listing does not show
520 East 90th Street #4KJ
in 520 East 90th StreetManhattan, NY 10128Co-opModerate risk
Listed at $1,795,000. The listing does not mention what city records show: 7 open housing violations and 3 open building violations and 1 unresolved penalty. Read them before you offer, and be ready to explain them if you are selling.
- Asking
- $1,795,000
- Beds
- 4 beds
- Baths
- 3 baths
- Size
- 2,500 ft²
- Building
- Co-op
- Built
- 1942
- Open housing violations
- 7
- Immediately hazardous
- 1
- Open building violations
- 3
- Unresolved penalties
- 1
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.
- 023 open Buildings Department violations, which can slow a closing.
- 031 unresolved penalty (0 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.
- 051 co-op share transfers in the last 12 months. Co-op sales are not recorded as deeds, so they show up only here.
- 061 tax lien document on record.
02 / Building
The building
City records for 520 East 90th Street, the building this listing is in. Department of Finance class D4: Elevator apartments.
- Type
- Co-op
- Year built
- 1942Alterations: 1988
- Floors
- 6
- Units
- 6868 residential
- Building area
- 71,000 ft²
- Residential / commercial
- 71,000 / 0 ft²
- Lot
- 19,448 ft²198.17 × 100.67 ft
- Assessed value
- $6,723,900Tax assessment, not market value
- Assessed land
- $1,201,500
- Tax exemption
- $41,238
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)
7
open violations
1 immediately hazardous, 5 hazardous, 1 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
3
open violations
5 safety-related. Most recent open filing Jun 20, 2023.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
1
unresolved
0 hazardous. $6,560 imposed, last issued Sep 18, 2021.
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.
128 recorded documents · 0 sales of $10,000 or more · Last sale none · Last mortgage 2016
Unlock the recorded amounts for 520 East 90th Street #4KJ
After you register, the paid report includes who owns the building, plus the amounts below from the city file.
- Owner details
- Mortgage amount
- Unpaid penalty balance
Paid report
The rest of 520 East 90th Street #4KJ 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
- Mortgage amount
- Unpaid penalty balance
06 / FAQ
Questions
How many open violations does 520 East 90th Street #4KJ have?
As of Oct 21, 2026, the building at 520 East 90th Street has 7 open HPD violations (1 Class C, 5 Class B, 1 Class A, 0 Class I), 3 open DOB violations, 1 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 520 East 90th Street?
Owner details are in the paid report, available after you register. Mortgage amount, Unpaid penalty balance are 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 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.