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NYC Building Records · BBL 3010970055

511 12 STREET

Brooklyn · Block 1097 · Lot 55 · Walk-up coop (Class C6)

511 12 STREET is a Class C6 (walk-up coop) building in Brooklyn (BBL 3010970055) built in 1903, with 8 residential units across 4 floors.

The building is in NYC community district 306, council district 39, zoning district R6B, on a 2,500-square-foot lot with a building footprint of 6,452 square feet.

The current registered owner of record per NYC PLUTO is 511 12TH ST TENANTS CORP.

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

511 12TH ST TENANTS CORP
HPD-registered head officer: Takayuki Koizumi

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerTakayuki Koizumi
  • Corporate Owner511 12TH STREET TENANTS
  • Managing Agent511 12TH STREET TENANTS CORP

Most recent deed

Most recent ACRIS document: MTGE recorded Oct 13, 2022.
🔒 See the full deed history for this building →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Oct 13, 2022MTGE$600KParties redacted — full names in MetroDeeds Scout+
Nov 17, 2006MTGE$55KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 2 redacted buyer/seller names above →

Building stats

Units
8
Year built
1903
Class
C6
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,500 sqft
Building area:
6,452 sqft
Floors:
4
Assessed value:
$841K
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 1, 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 IInspected Nov 19, 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 AInspected Jun 5, 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 3, 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 IInspected Nov 20, 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…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

2 documents in the last 5 years (most recent Oct 13, 2022).

Frequently asked questions about 511 12 STREET

Who owns 511 12 STREET?

The current registered owner of record for 511 12 STREET per NYC PLUTO is 511 12TH ST TENANTS CORP. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 511 12 STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 511 12 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 511 12 STREET have?

No open HPD housing-maintenance code violations are on record for 511 12 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 511 12 STREET?

NYC Department of Finance assesses 511 12 STREET at $841K 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 511 12 STREET and what does that mean?

511 12 STREET 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

Go deeper on this building

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