857 EAST 23 STREET
857 EAST 23 STREET is a Class A1 (one-family two-story) building in Brooklyn (BBL 3075690021) built in 1915, with 1 residential unit across 3 floors.
The building is in NYC community district 314, council district 45, zoning district R4, on a 4,000-square-foot lot with a building footprint of 3,151 square feet.
The current registered owner of record per NYC PLUTO is HERBERT J. KOPPEL FAMILY TRUST.
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 OfficerKENNETH KOPPEL
- Corporate OwnerHERBERT J KOPPEL FAMILY TRUST
- Site ManagerDAVID KOPPEL
Most recent deed
Activity timeline
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R4
- Lot size:
- 4,000 sqft
- Building area:
- 3,151 sqft
- Floors:
- 2.75
- Assessed value:
- $122K
- Community district:
- 314
- Council district:
- 45
HPD violations
Recent HPD violation details
- 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…
- Class IInspected Apr 21, 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…
Recent ACRIS activity
Other buildings in this portfolio
- 923 EAST 29 STREET15 violations
Frequently asked questions about 857 EAST 23 STREET
Who owns 857 EAST 23 STREET?
The current registered owner of record for 857 EAST 23 STREET per NYC PLUTO is HERBERT J. KOPPEL FAMILY TRUST. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 857 EAST 23 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 857 EAST 23 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 857 EAST 23 STREET have?
No open HPD housing-maintenance code violations are on record for 857 EAST 23 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 857 EAST 23 STREET?
NYC Department of Finance assesses 857 EAST 23 STREET at $122K 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 857 EAST 23 STREET and what does that mean?
857 EAST 23 STREET is NYC building class A1 — One-family two-story. A single-family detached two-story dwelling. 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.