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NYC Building Records · BBL 3056090054

4418 12 AVENUE

Brooklyn · Block 5609 · Lot 54 · Walk-up, 3+ families (Class C0)

4418 12 AVENUE is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3056090054) built in 1901, with 3 residential units across 3 floors.

The building is in NYC community district 312, council district 44, zoning district R6, on a 3,250-square-foot lot with a building footprint of 6,212 square feet.

The current registered owner of record per NYC PLUTO is 4418 12TH AVE LLC.

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

4418 12TH AVE LLC
HPD-registered head officer: SHIA GRUNZWEIG

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerSHIA GRUNZWEIG
  • Corporate Owner4418 12TH AVE LLC
  • Managing AgentYAKOV SPERBER

Most recent deed

Last transferred on Apr 29, 2021 to 4418 12TH AVE LLC.
Previous owner: GRUNZWEIG, SHIA
Mortgage: $1.1M recorded Apr 23, 2021 with Home Point Financial Corporation.
🔒 See all transfers before the 2021 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Apr 29, 2021DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Apr 23, 2021AGMT$1.1MParties redacted — full names in MetroDeeds Scout+
Apr 23, 2021DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Mar 19, 2019MTGE$1.1MParties redacted — full names in MetroDeeds Scout+
Mar 19, 2019DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
3
Year built
1901
Class
C0
Borough
Brooklyn
Zoning:
R6
Lot size:
3,250 sqft
Building area:
6,212 sqft
Floors:
3
Assessed value:
$98K
Community district:
312
Council district:
44

HPD violations

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

Recent HPD violation details

Most recent 4 violations issued by NYC HPD at this address:
  • Class IInspected Nov 24, 2025
    §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 IInspected Dec 4, 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 IInspected Nov 28, 2023
    §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 IInspected Nov 17, 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 →

Recent ACRIS activity

5 documents in the last 5 years (most recent Apr 29, 2021).

Frequently asked questions about 4418 12 AVENUE

Who owns 4418 12 AVENUE?

The current registered owner of record for 4418 12 AVENUE per NYC PLUTO is 4418 12TH AVE LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 4418 12 AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 4418 12 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 4418 12 AVENUE have?

No open HPD housing-maintenance code violations are on record for 4418 12 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 4418 12 AVENUE?

NYC Department of Finance assesses 4418 12 AVENUE at $98K 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 4418 12 AVENUE and what does that mean?

4418 12 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.

More from MetroDeeds

Go deeper on this building

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Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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