4820 4 AVENUE
4820 4 AVENUE is a Class C7 (walk-up + store) building in Brooklyn (BBL 3007730044) built in 1904, with 19 residential units across 4 floors.
The building is in NYC community district 307, council district 38, zoning district R7A, on a 5,000-square-foot lot with a building footprint of 16,820 square feet.
The current registered owner of record per NYC PLUTO is BK 4820 LLC.
The most recent ACRIS deed transfer for this BBL was recorded on March 14, 2022 when Martan Properties Llc conveyed the property to Bk 4820 Llc for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
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 OfficerALESSANDRO PIROZZI
- Corporate OwnerBK 4820 LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R7A
- Lot size:
- 5,000 sqft
- Building area:
- 16,820 sqft
- Floors:
- 4
- Assessed value:
- $712K
- Community district:
- 307
- Council district:
- 38
HPD violations
Recent HPD violation details
- Class AInspected Nov 27, 2023§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES…
- Class BInspected Nov 27, 2023§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT CEILING ( APPROX 2 SQ FT) AT PUBLIC HALL, 4th STORY…
- Class AInspected Nov 27, 2023§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGE…
- Class AInspected Nov 27, 2023§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX MISS…
- Class AInspected Nov 27, 2023§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON…
Recent ACRIS activity
Frequently asked questions about 4820 4 AVENUE
Who owns 4820 4 AVENUE?
The current registered owner of record for 4820 4 AVENUE per NYC PLUTO is BK 4820 LLC. The most recent ACRIS deed transfer for this BBL was recorded on March 14, 2022 when the property was conveyed to Bk 4820 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 4820 4 AVENUE last sold?
The most recent ACRIS deed transfer for 4820 4 AVENUE was recorded on March 14, 2022, when Martan Properties Llc conveyed the property to Bk 4820 Llc for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 4820 4 AVENUE have?
No open HPD housing-maintenance code violations are on record for 4820 4 AVENUE 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 4820 4 AVENUE?
NYC Department of Finance assesses 4820 4 AVENUE at $712K 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 4820 4 AVENUE and what does that mean?
4820 4 AVENUE is NYC building class C7 — Walk-up + store. A walk-up apartment building with a store on the ground floor. 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.