330 UNION AVENUE
330 UNION AVENUE is a Class D1 (elevator, semi-fireproof) building in Brooklyn (BBL 3027850001) built in 1991, with 59 residential units across 6 floors.
The building is in NYC community district 301, council district 34, zoning district R6B, on a 24,350-square-foot lot with a building footprint of 66,800 square feet.
The current registered owner of record per NYC PLUTO is 19 MAUJER STREET HDFC.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
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 OfficerFRANK LANG
- Corporate Owner19 MAUJER ST H.D.F.C.
- Managing AgentST NICKS ALLIANCE
- Site ManagerCECILIA BROWN
Most recent deed
Recent ACRIS documents (last 3)
Building stats
- Zoning:
- R6B
- Lot size:
- 24,350 sqft
- Building area:
- 66,800 sqft
- Floors:
- 6
- Assessed value:
- $5.7M
- Community district:
- 301
- Council district:
- 34
HPD violations
Recent HPD violation details
- Class CInspected Apr 27, 2026HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 408, 4th STORY, 2nd APARTMENT FROM…
- Class CInspected Feb 8, 2026§ 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 409, 4th STORY, 1st APARTMENT…
- Class BInspected Aug 12, 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 Aug 12, 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 Jul 1, 2025§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCES UPPER AND LOWER SASHES AT 1ST WINDOW FROM WEST IN THE 1st…
Recent ACRIS activity
Frequently asked questions about 330 UNION AVENUE
Who owns 330 UNION AVENUE?
The current registered owner of record for 330 UNION AVENUE per NYC PLUTO is 19 MAUJER STREET HDFC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 330 UNION AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 330 UNION AVENUE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 330 UNION AVENUE have?
No open HPD housing-maintenance code violations are on record for 330 UNION 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 330 UNION AVENUE?
NYC Department of Finance assesses 330 UNION AVENUE at $5.70M 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 330 UNION AVENUE and what does that mean?
330 UNION AVENUE is NYC building class D1 — Elevator, semi-fireproof. A semi-fireproof elevator apartment 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.