525 4 STREET
525 4 STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3010810001) built in 1920, with 16 residential units across 5 floors.
The building is in NYC community district 306, council district 39, zoning district R7B, on a 4,105-square-foot lot with a building footprint of 14,579 square feet.
The current registered owner of record per NYC PLUTO is DILIGENT PROPERTIESASSOCIATES.
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 OfficerPAT LIBUTTI
- Corporate OwnerDILIGENT PROPERTIES ASSOCIATES LLC
- Site ManagerChristian Rodriguez
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R7B
- Lot size:
- 4,105 sqft
- Building area:
- 14,579 sqft
- Floors:
- 5
- Assessed value:
- $1.0M
- Community district:
- 306
- Council district:
- 39
HPD violations
Recent HPD violation details
- Class AInspected Jun 5, 2025(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 CInspected Jan 24, 2019§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT D, 2nd STORY, 2nd APARTMENT FROM NORTH…
- Class CInspected Jan 24, 2019§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCK BOILER ROOM DOOR AT PUBLIC HALL, 1st STORY
- Class IInspected Nov 15, 2017§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…
Recent ACRIS activity
Frequently asked questions about 525 4 STREET
Who owns 525 4 STREET?
The current registered owner of record for 525 4 STREET per NYC PLUTO is DILIGENT PROPERTIESASSOCIATES. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 525 4 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 525 4 STREET 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 525 4 STREET have?
No open HPD housing-maintenance code violations are on record for 525 4 STREET 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 is the assessed value of 525 4 STREET?
NYC Department of Finance assesses 525 4 STREET at $1.03M for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 525 4 STREET and what does that mean?
525 4 STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 residential units. 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.