366 UNION AVENUE
366 UNION AVENUE is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3027790001) built in 1910, with 3 residential units across 3 floors.
The building is in NYC community district 301, council district 34, zoning district R7A, on a 2,338-square-foot lot with a building footprint of 2,575 square feet.
The current registered owner of record per NYC PLUTO is JAN SIMKO.
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 17, 2026.
This property is owned/managed by JAN SIMKO, who appears on the MetroDeeds Landlord Ripoff Watch.
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
- Managing AgentJan Simko
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- R7A
- Lot size:
- 2,338 sqft
- Building area:
- 2,575 sqft
- Floors:
- 3
- Assessed value:
- $114K
- Community district:
- 301
- Council district:
- 34
HPD violations
Recent HPD violation details
- Class AInspected Jun 11, 2025(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 IInspected Nov 26, 2024§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class BInspected May 26, 2022§ 27-2010, 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE FRONT YARD
- Class BInspected May 26, 2022§ 27-2021 ADM CODE PROVIDE SUFFICIENT, PROPER AND SEPARATE METAL RECEPTACLES FOR THE DEPOSIT OF GARBAGE, RUBBISH AND OTHER WASTE MATERIAL AN…
- Class AInspected Apr 13, 2021(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…
Recent ACRIS activity
Other buildings in this portfolio
- 226 WILSON AVENUE103 violations
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- 114 NAGLE AVENUE39 violations
- 299 HINSDALE STREET33 violations
- 63 HIMROD STREET31 violations
Frequently asked questions about 366 UNION AVENUE
Who owns 366 UNION AVENUE?
The current registered owner of record for 366 UNION AVENUE per NYC PLUTO is JAN SIMKO. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 366 UNION AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 366 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 366 UNION AVENUE have?
No open HPD housing-maintenance code violations are on record for 366 UNION AVENUE as of May 17, 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 366 UNION AVENUE?
NYC Department of Finance assesses 366 UNION AVENUE at $114K 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 366 UNION AVENUE and what does that mean?
366 UNION AVENUE 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.