170 UNION STREET
170 UNION STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3003430013) built in 1900, with 8 residential units across 4 floors.
The building is in NYC community district 306, council district 39, zoning district R6A, on a 2,950-square-foot lot with a building footprint of 7,440 square feet.
The current registered owner of record per NYC PLUTO is NICHOLAS TRIBUZIO REVOCABLE TRUST.
The most recent ACRIS deed transfer for this BBL was recorded on July 24, 2024 when TRIBUZIO, NICHOLAS conveyed the property to NICHOLAS TRIBUZIO, TRUSTEE; NICHOLAS TRIBUZIO REVOCABLE TRUST 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
- Site ManagerNICHOLAS TRIBUZIO
Most recent deed
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R6A
- Lot size:
- 2,950 sqft
- Building area:
- 7,440 sqft
- Floors:
- 4
- Assessed value:
- $1.0M
- Community district:
- 306
- Council district:
- 39
HPD violations
Recent HPD violation details
- Class AInspected May 6, 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 BInspected Dec 29, 2025§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN AC…
- Class BInspected Dec 29, 2025§ 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…
- Class BInspected Dec 29, 2025§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AND BICYCLE AT PUBLIC HALL, 4th STORY
- Class CInspected Dec 29, 2025§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
Recent ACRIS activity
Other buildings in this portfolio
- 85 2 PLACE8 violations
Frequently asked questions about 170 UNION STREET
Who owns 170 UNION STREET?
The current registered owner of record for 170 UNION STREET per NYC PLUTO is NICHOLAS TRIBUZIO REVOCABLE TRUST. The most recent ACRIS deed transfer for this BBL was recorded on July 24, 2024 when the property was conveyed to NICHOLAS TRIBUZIO, TRUSTEE; NICHOLAS TRIBUZIO REVOCABLE TRUST. 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 170 UNION STREET last sold?
The most recent ACRIS deed transfer for 170 UNION STREET was recorded on July 24, 2024, when TRIBUZIO, NICHOLAS conveyed the property to NICHOLAS TRIBUZIO, TRUSTEE; NICHOLAS TRIBUZIO REVOCABLE TRUST for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 170 UNION STREET have?
No open HPD housing-maintenance code violations are on record for 170 UNION STREET 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 170 UNION STREET?
NYC Department of Finance assesses 170 UNION STREET at $1.04M 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 170 UNION STREET and what does that mean?
170 UNION STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 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.