334 9 STREET
334 9 STREET is a Class S3 (three-family + store) building in Brooklyn (BBL 3010110017) built in 1921, with 4 residential units across 4 floors.
The building is in NYC community district 306, council district 39, zoning district R6A, on a 1,450-square-foot lot with a building footprint of 3,552 square feet.
The current registered owner of record per NYC PLUTO is LAERTES DEVELOPMENT LLC.
The most recent ACRIS deed transfer for this BBL was recorded on November 13, 2025 when 336 EAST 9TH STREET REALTY LLC conveyed the property to TELEMACHUS DEVELOPMENT, LLC; LAERTES DEVELOPMENT LLC for $5.65M. The transaction was financed with a mortgage from Telemachus Development, Llc.
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 OfficerJAY ARNOW
- Corporate Owner334-336 9TH ST CORP
- Managing AgentRBJ MANAGEMENT CORP
Most recent deed
Activity timeline
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R6A
- Lot size:
- 1,450 sqft
- Building area:
- 3,552 sqft
- Floors:
- 4
- Assessed value:
- $1.7M
- Community district:
- 306
- Council district:
- 39
HPD violations
Recent HPD violation details
- Class AInspected Apr 30, 2026(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 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 AInspected Apr 3, 2024(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 Nov 20, 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 AInspected Mar 20, 2023(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…
Recent ACRIS activity
Frequently asked questions about 334 9 STREET
Who owns 334 9 STREET?
The current registered owner of record for 334 9 STREET per NYC PLUTO is LAERTES DEVELOPMENT LLC. The most recent ACRIS deed transfer for this BBL was recorded on November 13, 2025 when the property was conveyed to TELEMACHUS DEVELOPMENT, LLC; LAERTES DEVELOPMENT LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 334 9 STREET last sold?
The most recent ACRIS deed transfer for 334 9 STREET was recorded on November 13, 2025, when 336 EAST 9TH STREET REALTY LLC conveyed the property to TELEMACHUS DEVELOPMENT, LLC; LAERTES DEVELOPMENT LLC for $5.65M. The transaction was financed with a mortgage from Telemachus Development, Llc.
How many HPD violations does 334 9 STREET have?
No open HPD housing-maintenance code violations are on record for 334 9 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 334 9 STREET?
NYC Department of Finance assesses 334 9 STREET at $1.67M 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 334 9 STREET and what does that mean?
334 9 STREET 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.