523 THROOP AVENUE
523 THROOP AVENUE is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3018310001) built in 1910, with 8 residential units across 4 floors.
The building is in NYC community district 303, council district 36, zoning district R6B, on a 1,800-square-foot lot with a building footprint of 5,600 square feet.
The current registered owner of record per NYC PLUTO is 523 THROOP AVE., 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 OfficerMOSHE SILBERSTEIN
- Corporate Owner523 THROOP AVE LLC
- Managing AgentYITZCHOK GROSS
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,800 sqft
- Building area:
- 5,600 sqft
- Floors:
- 4
- Assessed value:
- $518K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class AInspected Apr 13, 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 BInspected Dec 1, 2016§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF FLOWER POTS AT 2ND STORY BALCONY AT SOUTH
- Class AInspected Dec 1, 2016§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND…
- Class AInspected Dec 1, 2016§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGE…
- Class AInspected Dec 1, 2016§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX ''MI…
Recent ACRIS activity
Frequently asked questions about 523 THROOP AVENUE
Who owns 523 THROOP AVENUE?
The current registered owner of record for 523 THROOP AVENUE per NYC PLUTO is 523 THROOP AVE., LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 523 THROOP AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 523 THROOP 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 523 THROOP AVENUE have?
No open HPD housing-maintenance code violations are on record for 523 THROOP 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 is the assessed value of 523 THROOP AVENUE?
NYC Department of Finance assesses 523 THROOP AVENUE at $518K 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 523 THROOP AVENUE and what does that mean?
523 THROOP AVENUE 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.