323 AVENUE O
323 AVENUE O is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3065840056) built in 1930, with 3 residential units across 3 floors.
The building is in NYC community district 312, council district 44, zoning district R5, on a 4,000-square-foot lot with a building footprint of 2,438 square feet.
The current registered owner of record per NYC PLUTO is KISHK, RAYMOND.
The most recent ACRIS deed transfer for this BBL was recorded on November 2, 2022 when Estate Of Christine Mammoliti; Rita Kaslof, Executor; John Mammoliti, Executor conveyed the property to Kishk, Raymond; Kishk, Suzy for $2.35M. The transaction was financed with a $1.35M mortgage from Mers.
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 OfficerRITA KASLOF
- Corporate OwnerCHRISTINE MAMMOLITI ESTATE
- Managing AgentELIZABETH SOKOL
Most recent deed
Recent ACRIS documents (last 3)
Building stats
- Zoning:
- R5
- Lot size:
- 4,000 sqft
- Building area:
- 2,438 sqft
- Floors:
- 2.75
- Assessed value:
- $114K
- Community district:
- 312
- Council district:
- 44
HPD violations
Recent HPD violation details
- Class AInspected May 1, 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 IInspected Nov 20, 2025§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 Jun 6, 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 IInspected Nov 29, 2024§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 Apr 8, 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…
Recent ACRIS activity
Frequently asked questions about 323 AVENUE O
Who owns 323 AVENUE O?
The current registered owner of record for 323 AVENUE O per NYC PLUTO is KISHK, RAYMOND. The most recent ACRIS deed transfer for this BBL was recorded on November 2, 2022 when the property was conveyed to Kishk, Raymond; Kishk, Suzy. 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 323 AVENUE O last sold?
The most recent ACRIS deed transfer for 323 AVENUE O was recorded on November 2, 2022, when Estate Of Christine Mammoliti; Rita Kaslof, Executor; John Mammoliti, Executor conveyed the property to Kishk, Raymond; Kishk, Suzy for $2.35M. The transaction was financed with a $1.35M mortgage from Mers.
How many HPD violations does 323 AVENUE O have?
No open HPD housing-maintenance code violations are on record for 323 AVENUE O 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 323 AVENUE O?
NYC Department of Finance assesses 323 AVENUE O at $114K 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 323 AVENUE O and what does that mean?
323 AVENUE O is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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.