What the listing does not show
520 West 23rd Street #3H
in 520 West 23rd StreetManhattan, NY 10011Co-opLow risk
Listed at $775,000. The listing does not mention what city records show: 0 open housing violations and 0 open penalties. The last sale price and the mortgage amount are in the full report.
- Asking
- $775,000
- Beds
- 1 bed
- Baths
- 1 bath
- Building
- Co-op
- Built
- 2003
- Open housing violations
- 0
- Immediately hazardous
- 0
- Open building violations
- 2
- 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.
- 01Checked: no open housing violations on file.
- 022 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.
- 052 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 West 23rd Street, the building this listing is in. Department of Finance class D4: Elevator apartments.
- Type
- Co-op
- Year built
- 2003
- Floors
- 15
- Units
- 110107 residential
- Building area
- 95,656 ft²
- Residential / commercial
- 91,431 / 4,225 ft²
- Lot
- 12,125 ft²122.5 × 98.75 ft
- Assessed value
- $18,111,150Tax assessment, not market value
- Assessed land
- $540,000
- Tax exemption
- $13,280
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)
0
open violations
No open housing violations on file.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
2
open violations
2 safety-related. Most recent open filing Jun 5, 2009.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
0
unresolved
No unresolved penalties on file.
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.
247 recorded documents · 1 sale of $10,000 or more · Last sale 2021 · Last mortgage 2013
Unlock the recorded amounts for 520 West 23rd Street #3H
After you register, the paid report includes who owns the building, plus the amounts below from the city file.
- Owner details
- Last sale price
- Mortgage amount
Paid report
The rest of 520 West 23rd Street #3H 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
- Last sale price
- Mortgage amount
Same building
Other listings at 520 West 23rd Street
06 / FAQ
Questions
How many open violations does 520 West 23rd Street #3H have?
As of Oct 14, 2026, the building at 520 West 23rd Street has 0 open HPD violations (0 Class C, 0 Class B, 0 Class A, 0 Class I), 2 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.
What amounts are recorded for 520 West 23rd Street?
Owner details are in the paid report, available after you register. Last sale price, Mortgage amount 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 14, 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.