4311 AVENUE K
4311 AVENUE K is a Class A9 (one-family misc) building in Brooklyn (BBL 3077910006) built in 1925, with 1 residential unit across 2 floors.
The building is in NYC community district 318, council district 45, zoning district R4, on a 1,869-square-foot lot with a building footprint of 1,176 square feet.
The current registered owner of record per NYC PLUTO is KENNEDY JOAN B.
The most recent ACRIS deed transfer for this BBL was recorded on January 21, 2026 when ESTATE OF JOAN BERNADETTE CLARK; TERENCE EUGENE CLARK, AS ADMINISTRATOR; ESTATE OF JOAN BERNADETTE KENNEDY; ESTATE OF JOAN B. KENNEDY; ESTATE OF JOAN KANAKAKIS conveyed the property to HUSSAIN, IFFAT JAMIL; JAMIL, AZRA for $610K. The transaction was recorded as cash (no paired mortgage instrument).
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
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R4
- Lot size:
- 1,869 sqft
- Building area:
- 1,176 sqft
- Floors:
- 2
- Assessed value:
- $39K
- Community district:
- 318
- Council district:
- 45
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 4311 AVENUE K
Who owns 4311 AVENUE K?
The current registered owner of record for 4311 AVENUE K per NYC PLUTO is KENNEDY JOAN B. The most recent ACRIS deed transfer for this BBL was recorded on January 21, 2026 when the property was conveyed to HUSSAIN, IFFAT JAMIL; JAMIL, AZRA. 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 4311 AVENUE K last sold?
The most recent ACRIS deed transfer for 4311 AVENUE K was recorded on January 21, 2026, when ESTATE OF JOAN BERNADETTE CLARK; TERENCE EUGENE CLARK, AS ADMINISTRATOR; ESTATE OF JOAN BERNADETTE KENNEDY; ESTATE OF JOAN B. KENNEDY; ESTATE OF JOAN KANAKAKIS conveyed the property to HUSSAIN, IFFAT JAMIL; JAMIL, AZRA for $610K. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 4311 AVENUE K have?
No open HPD housing-maintenance code violations are on record for 4311 AVENUE K. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 4311 AVENUE K?
NYC Department of Finance assesses 4311 AVENUE K at $39K 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 4311 AVENUE K and what does that mean?
4311 AVENUE K is NYC building class A9 — One-family misc. Miscellaneous one-family 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.