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NYC Building Records · BBL 3007380001

4423 4 AVENUE

Brooklyn · Block 738 · Lot 1 · Misc mixed-use (Class S9)

4423 4 AVENUE is a Class S9 (misc mixed-use) building in Brooklyn (BBL 3007380001) built in 1935, with 8 residential units across 4 floors.

The building is in NYC community district 307, council district 38, zoning district R7A, on a 2,017-square-foot lot with a building footprint of 7,462 square feet.

The current registered owner of record per NYC PLUTO is WINFINITEC 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

WINFINITEC LLC
HPD-registered head officer: Nurul Ahia

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerNurul Ahia
  • Corporate Owner4423 4th Avenue Assets LLC
  • Managing AgentTristar Management Associates LLC
  • Site ManagerTanet Tukes

Most recent deed

Last transferred on Sep 8, 2017 for $3.1M to 4423 4th Avenue Assets Llc; Winfinitec Llc.
Previous owner: Huertas, Milagros C; Percy, Marilyn
Mortgage: $2.0M recorded Sep 8, 2017 with Signature Bank. Loan-to-value: 63%.
🔒 See full deed history for this building →

Recent ACRIS documents (last 2)

DateTypeAmountParties
Sep 8, 2017MTGE$2.0MParties redacted — full names in MetroDeeds Scout+
Sep 8, 2017DEED$3.1MParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →

Building stats

Units
8
Year built
1935
Class
S9
Borough
Brooklyn
Zoning:
R7A
Lot size:
2,017 sqft
Building area:
7,462 sqft
Floors:
4
Assessed value:
$635K
Community district:
307
Council district:
38

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 Apr 15, 2026
    § 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING WIRE AT VESTIBULE DOOR , 1st STORY
  • Class BInspected Apr 15, 2026
    § 27-2005, 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXPOSED ELECTRICAL WIRING AT NORTH WALL…
  • Class CInspected Apr 15, 2026
    HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 4th STORY, 1st APARTMENT FROM…
  • Class BInspected Apr 15, 2026
    § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE 4th ROOM FROM…
  • Class BInspected Apr 15, 2026
    § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ELECTRICAL LIGHT FIXTURE AT CEILING IN THE 4th ROOM FROM EAST LOCATED AT A…
🔒 See full violation history with closure dates →

Recent ACRIS activity

2 documents in the last 5 years (most recent Sep 8, 2017).

Frequently asked questions about 4423 4 AVENUE

Who owns 4423 4 AVENUE?

The current registered owner of record for 4423 4 AVENUE per NYC PLUTO is WINFINITEC LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 4423 4 AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 4423 4 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 4423 4 AVENUE have?

No open HPD housing-maintenance code violations are on record for 4423 4 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 4423 4 AVENUE?

NYC Department of Finance assesses 4423 4 AVENUE at $635K 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 4423 4 AVENUE and what does that mean?

4423 4 AVENUE is NYC building class S9 — Misc mixed-use. Miscellaneous mixed residential and commercial 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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