3804 NEPTUNE AVENUE
3804 NEPTUNE AVENUE is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3070020034) built in 1930, with 4 residential units.
The current registered owner of record per NYC PLUTO is MARGOLIS LLC.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerJEFF MARGOLIS
- Corporate OwnerMARGOLIS LLC
Most recent deed
Building stats
HPD violations
Recent HPD violation details
- Class IInspected Nov 24, 2025§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class IInspected Nov 28, 2023§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class IInspected Nov 17, 2022§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class IInspected Mar 16, 2022§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
Frequently asked questions about 3804 NEPTUNE AVENUE
Who owns 3804 NEPTUNE AVENUE?
The current registered owner of record for 3804 NEPTUNE AVENUE per NYC PLUTO is MARGOLIS LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 3804 NEPTUNE AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 3804 NEPTUNE AVENUE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 3804 NEPTUNE AVENUE have?
No open HPD housing-maintenance code violations are on record for 3804 NEPTUNE AVENUE as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What building class is 3804 NEPTUNE AVENUE and what does that mean?
3804 NEPTUNE AVENUE is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.