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NYC Building Records · BBL 3027910005

318 UNION AVENUE

Brooklyn · Block 2791 · Lot 5 · Walk-up coop (Class C6)

318 UNION AVENUE is a Class C6 (walk-up coop) building in Brooklyn (BBL 3027910005) built in 1920, with 8 residential units across 4 floors.

NYC PLUTO does not list a registered owner of record for this BBL.

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

Owner not on record in PLUTO.
HPD-registered head officer: ZULMA MERCADO

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerZULMA MERCADO
  • Corporate Owner318 UNION AVE H.D.F.C

Most recent deed

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

Building stats

Units
8
Year built
1920
Class
C6
Borough
Brooklyn
Floors:
4
Assessed value:
$1.2M

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See full violation history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class CInspected Nov 19, 2024
    § 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…
  • Class CInspected Sep 18, 2024
    § 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…
  • Class CInspected Sep 18, 2024
    § 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…
  • Class CInspected Sep 18, 2024
    § 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…
  • Class CInspected Sep 18, 2024
    § 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…
🔒 See full violation history with closure dates →

Frequently asked questions about 318 UNION AVENUE

Who owns 318 UNION AVENUE?

NYC PLUTO does not list a registered owner of record for this BBL, and MetroDeeds shows no confirmed ACRIS deed transfer in the last 5 years of recorded NYC public-records data.

When was 318 UNION AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 318 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 318 UNION AVENUE have?

No open HPD housing-maintenance code violations are on record for 318 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 318 UNION AVENUE?

NYC Department of Finance assesses 318 UNION AVENUE at $1.18M 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 318 UNION AVENUE and what does that mean?

318 UNION AVENUE is NYC building class C6 — Walk-up coop. A walk-up cooperative 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.

More from MetroDeeds

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