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NYC Building Records · BBL 3032790001

431 KNICKERBOCKER AVENUE

Brooklyn · Block 3279 · Lot 1 · Walk-up + store (Class S4)

431 KNICKERBOCKER AVENUE is a Class S4 (walk-up + store) building in Brooklyn (BBL 3032790001) built in 1931, with 5 residential units across 4 floors.

The building is in NYC community district 304, council district 37, zoning district C4-3, on a 2,500-square-foot lot with a building footprint of 11,307 square feet.

The current registered owner of record per NYC PLUTO is KNICKERBOCKER 427, 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

KNICKERBOCKER 427, LLC
HPD-registered head officer: MIKE NASSIMI

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerMIKE NASSIMI
  • Corporate OwnerKNICKERBOCKER 427 LLC
  • Managing AgentWINBROOK MANAGEMENT, LLC
  • Site ManagerABRAHAM SANABRIA

Most recent deed

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

Building stats

Units
5
Year built
1931
Class
S4
Borough
Brooklyn
Zoning:
C4-3
Lot size:
2,500 sqft
Building area:
11,307 sqft
Floors:
4
Assessed value:
$1.2M
Community district:
304
Council district:
37

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 Jun 10, 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 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…
  • Class IInspected Feb 25, 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…
  • Class AInspected Feb 25, 2022
    (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 9, 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…
🔒 See closure dates + classification on archived violations →

Frequently asked questions about 431 KNICKERBOCKER AVENUE

Who owns 431 KNICKERBOCKER AVENUE?

The current registered owner of record for 431 KNICKERBOCKER AVENUE per NYC PLUTO is KNICKERBOCKER 427, LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 431 KNICKERBOCKER AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 431 KNICKERBOCKER 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 431 KNICKERBOCKER AVENUE have?

No open HPD housing-maintenance code violations are on record for 431 KNICKERBOCKER 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 431 KNICKERBOCKER AVENUE?

NYC Department of Finance assesses 431 KNICKERBOCKER AVENUE at $1.21M 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 431 KNICKERBOCKER AVENUE and what does that mean?

431 KNICKERBOCKER AVENUE is NYC building class S4 — Walk-up + store. A walk-up apartment with one or more store 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 431 KNICKERBOCKER AVENUE
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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