646 EAST 84 STREET
646 EAST 84 STREET is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3079880061) built in 1997, with 3 residential units across 3 floors.
The building is in NYC community district 318, council district 46, zoning district R5B, on a 4,000-square-foot lot with a building footprint of 5,424 square feet.
The current registered owner of record per NYC PLUTO is BAH, MAMADOU DIAO.
The most recent ACRIS deed transfer for this BBL was recorded on November 21, 2024 when Goodison, Khallena Cassandra conveyed the property to Bah, Mamadou Diao for $1.35M. The transaction was financed with a $1.01M mortgage from Mortgage Electronic Registration Systems, Inc.
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 5)
Building stats
- Zoning:
- R5B
- Lot size:
- 4,000 sqft
- Building area:
- 5,424 sqft
- Floors:
- 3
- Assessed value:
- $111K
- Community district:
- 318
- Council district:
- 46
HPD violations
Recent HPD violation details
- Class BInspected Nov 26, 2025§ 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE AT SINK IN THE KITCHEN LOCATED AT APT 1, 1st STORY, 1st APARTMENT FRO…
- Class BInspected Nov 26, 2025§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE PRIVATE HALLWAY LOCATED…
- Class BInspected Nov 26, 2025§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 1, 1…
- Class CInspected Nov 26, 2025HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM E…
- Class BInspected Jul 29, 2025§ 27-2010, 2011, 2012 ADMIN. CODE: REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE REAR YARD .
Recent ACRIS activity
Frequently asked questions about 646 EAST 84 STREET
Who owns 646 EAST 84 STREET?
The current registered owner of record for 646 EAST 84 STREET per NYC PLUTO is BAH, MAMADOU DIAO. The most recent ACRIS deed transfer for this BBL was recorded on November 21, 2024 when the property was conveyed to Bah, Mamadou Diao. 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 646 EAST 84 STREET last sold?
The most recent ACRIS deed transfer for 646 EAST 84 STREET was recorded on November 21, 2024, when Goodison, Khallena Cassandra conveyed the property to Bah, Mamadou Diao for $1.35M. The transaction was financed with a $1.01M mortgage from Mortgage Electronic Registration Systems, Inc.
How many HPD violations does 646 EAST 84 STREET have?
No open HPD housing-maintenance code violations are on record for 646 EAST 84 STREET. 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 646 EAST 84 STREET?
NYC Department of Finance assesses 646 EAST 84 STREET at $111K 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 646 EAST 84 STREET and what does that mean?
646 EAST 84 STREET 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.