123 NASSAU AVENUE
123 NASSAU AVENUE is a Class S3 (three-family + store) building in Brooklyn (BBL 3026490034) built in 1930, with 4 residential units.
The current registered owner of record per NYC PLUTO is JAN MIODUSZEWSKI.
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
- Managing AgentANDRZEJ MIODUSZEWSKI
- Joint OwnerANDREZJ MIODUSZEWSKI
- Joint OwnerCELINA MIODUSZEWSKI
Most recent deed
Building stats
HPD violations
Recent HPD violation details
- Class AInspected Apr 12, 2021(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class IInspected Apr 12, 2021§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 123 NASSAU AVENUE
Who owns 123 NASSAU AVENUE?
The current registered owner of record for 123 NASSAU AVENUE per NYC PLUTO is JAN MIODUSZEWSKI. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 123 NASSAU AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 123 NASSAU 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 123 NASSAU AVENUE have?
No open HPD housing-maintenance code violations are on record for 123 NASSAU 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 123 NASSAU AVENUE and what does that mean?
123 NASSAU AVENUE is NYC building class S3 — Three-family + store. A three-family dwelling with one store unit. 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.