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NYC Building Records · BBL 3003370038

171 UNION STREET

Brooklyn · Block 337 · Lot 38 · Walk-up, five to six (Class C2)

171 UNION STREET is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3003370038) built in 1900, with 5 residential units across 3 floors.

The building is in NYC community district 306, council district 39, zoning district R6B, on a 2,200-square-foot lot with a building footprint of 2,710 square feet.

The current registered owner of record per NYC PLUTO is NOVAK DORA.

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

NOVAK DORA
HPD-registered head officer: DORA NOVAK

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerDORA NOVAK

Most recent deed

No recent ACRIS deed on record.
🔒 See the full deed history for this building →

Building stats

Units
5
Year built
1900
Class
C2
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,200 sqft
Building area:
2,710 sqft
Floors:
3
Assessed value:
$684K
Community district:
306
Council district:
39

HPD violations

0 open
Most severe class on record: Class A
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • 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 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 AInspected Apr 12, 2024
    (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 AInspected Mar 27, 2023
    (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 14, 2022
    §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…
🔒 See closure dates + classification on archived violations →

Frequently asked questions about 171 UNION STREET

Who owns 171 UNION STREET?

The current registered owner of record for 171 UNION STREET per NYC PLUTO is NOVAK DORA. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 171 UNION STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 171 UNION STREET 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 171 UNION STREET have?

No open HPD housing-maintenance code violations are on record for 171 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 171 UNION STREET?

NYC Department of Finance assesses 171 UNION STREET at $684K 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 171 UNION STREET and what does that mean?

171 UNION STREET is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 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.

More from MetroDeeds

Go deeper on this building

Open full Landlord Intel for 171 UNION STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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