What the listing does not show
12399 Flatlands Avenue #1J
in 12399 Flatlands AvenueBrooklyn, NY 11207CondominiumHigh risk
Listed at $400,000. The listing does not mention what city records show: 325 open housing violations, 60 of them immediately hazardous. A buyer can put that on the table before contract. A seller should expect the question.
- Asking
- $400,000
- Beds
- 2 beds
- Baths
- 1 bath
- Size
- 920 ft²
- Building
- Condominium
- Open housing violations
- 325
- Immediately hazardous
- 60
- Open building violations
- 6
- 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.
- 0160 open Class C (immediately hazardous) housing violations a buyer can raise, and a seller should be ready to explain.
- 026 open Buildings Department violations, which can slow a closing.
- 031 unresolved penalty (0 hazardous) that can follow the property into the sale.
02 / Building
The building
City records for 12399 Flatlands Avenue, the building this listing is in. Department of Finance class RM: Condominium.
- Type
- Condominium
- Units
- 542540 residential
- Building area
- 423,957 ft²
- Residential / commercial
- 421,960 / 1,997 ft²
- Lot
- 456,479 ft²
- Assessed value
- $21,449,841Tax assessment, not market value
- Assessed land
- $5,992,011
- Tax exemption
- $468,172
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)
325
open violations
60 immediately hazardous, 202 hazardous, 63 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
6
open violations
52 safety-related. Most recent open filing Jan 6, 2006.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
1
unresolved
0 hazardous. $151,560 imposed, last issued Apr 22, 2026.
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 12399 Flatlands Avenue
06 / FAQ
Questions
How many open violations does 12399 Flatlands Avenue #1J have?
As of Oct 6, 2026, the building at 12399 Flatlands Avenue has 325 open HPD violations (60 Class C, 202 Class B, 63 Class A, 0 Class I), 6 open DOB violations, 1 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 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.