What the listing does not show
423 Atlantic Avenue #3J
in 423 Atlantic AvenueBrooklyn, NY 11217Co-opModerate risk
Listed at $1,195,000. The listing does not mention what city records show: 1 open housing violation and 8 open building violations and 1 unresolved penalty. Read them before you offer, and be ready to explain them if you are selling.
- Asking
- $1,195,000
- Beds
- 1 bed
- Baths
- 1 bath
- Building
- Co-op
- Built
- 1900
- Open housing violations
- 1
- Immediately hazardous
- 1
- Open building violations
- 8
- 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.
- 028 open Buildings Department violations, which can slow a closing.
- 031 unresolved penalty (0 hazardous) that can follow the property into the sale.
- 044 tax lien documents on record.
02 / Building
The building
City records for 423 Atlantic Avenue, the building this listing is in. Department of Finance class D4: Elevator apartments.
- Type
- Co-op
- Year built
- 1900
- Floors
- 6
- Units
- 6159 residential
- Building area
- 101,902 ft²
- Residential / commercial
- 94,924 / 6,978 ft²
- Lot
- 29,745 ft²331.25 × 90 ft
- Assessed value
- $10,838,700Tax assessment, not market value
- Assessed land
- $760,500
- Tax exemption
- $119,613
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
1 immediately hazardous, 0 hazardous, 0 non-hazardous, 0 informational.
Registration recently lapsed, ended Sep 1, 2026. Owner state NY.
Buildings (DOB)
8
open violations
5 safety-related. Most recent open filing Nov 14, 2016.
Permits, unsafe structures, boilers, elevators, facades.
Penalties (ECB)
1
unresolved
0 hazardous. $75 imposed, last issued Nov 19, 2021.
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.
157 recorded documents · 0 sales of $10,000 or more · Last sale none · Last mortgage 2025
Unlock the recorded amounts for 423 Atlantic Avenue #3J
After you register, the paid report includes who owns the building, plus the amounts below from the city file.
- Owner details
- Mortgage amount
Paid report
The rest of 423 Atlantic Avenue #3J 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
06 / FAQ
Questions
How many open violations does 423 Atlantic Avenue #3J have?
As of Oct 6, 2026, the building at 423 Atlantic Avenue has 1 open HPD violations (1 Class C, 0 Class B, 0 Class A, 0 Class I), 8 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.
What amounts are recorded for 423 Atlantic Avenue?
Owner details are in the paid report, available after you register. Mortgage amount is 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 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.