870 4 AVENUE
870 4 AVENUE is a Class S9 (misc mixed-use) building in Brooklyn (BBL 3006760042) built in 1931, with 6 residential units across 3 floors.
The building is in NYC community district 307, council district 38, zoning district M1-2D, on a 4,017-square-foot lot with a building footprint of 8,800 square feet.
The current registered owner of record per NYC PLUTO is YANG'S FAMILY I LLC.
The most recent ACRIS deed transfer for this BBL was recorded on May 27, 2022 when Novillo, Laura; Estate Of Carlos Cartagena; Cartagena, As Administrator, Rosa M conveyed the property to Yang's Family I Llc for $2.95M. The transaction was financed with a $2.00M mortgage from Cathy Bank.
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 3)
Building stats
- Zoning:
- M1-2D
- Lot size:
- 4,017 sqft
- Building area:
- 8,800 sqft
- Floors:
- 3
- Assessed value:
- $749K
- Community district:
- 307
- Council district:
- 38
HPD violations
Recent HPD violation details
- Class CInspected Apr 15, 2026§ 27-2005 ADMIN. CODE: REPLACE WITH NEW THE MISSING LOWER SASH AT 2ND WINDOW FROM EAST AT NORTH WALL IN THE 1st ROOM FROM NORTH AT WEST LOCA…
- Class CInspected Apr 15, 2026§ 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF PROTRUDING NAILS AT DOOR FRAMES IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 2N…
- Class BInspected Apr 15, 2026§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVI…
Recent ACRIS activity
Frequently asked questions about 870 4 AVENUE
Who owns 870 4 AVENUE?
The current registered owner of record for 870 4 AVENUE per NYC PLUTO is YANG'S FAMILY I LLC. The most recent ACRIS deed transfer for this BBL was recorded on May 27, 2022 when the property was conveyed to Yang's Family I 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 870 4 AVENUE last sold?
The most recent ACRIS deed transfer for 870 4 AVENUE was recorded on May 27, 2022, when Novillo, Laura; Estate Of Carlos Cartagena; Cartagena, As Administrator, Rosa M conveyed the property to Yang's Family I Llc for $2.95M. The transaction was financed with a $2.00M mortgage from Cathy Bank.
How many HPD violations does 870 4 AVENUE have?
No open HPD housing-maintenance code violations are on record for 870 4 AVENUE. 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 870 4 AVENUE?
NYC Department of Finance assesses 870 4 AVENUE at $749K 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 870 4 AVENUE and what does that mean?
870 4 AVENUE is NYC building class S9 — Misc mixed-use. Miscellaneous mixed residential and commercial building. 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.