# 302 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3032190031 · Block 3219 · Lot 31 · BIN 3073180  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/302-knickerbocker-avenue-3032190031  
Last updated: 2026-10-31 · Open-item counts as of 2026-10-31

## Summary

302 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3032190031) is a 4-unit mixed-use building with apartments and ground-floor commercial space (building class S9: mixed-use: dwelling with stores or offices, miscellaneous), built around 1931, on a 2,500 sq ft lot zoned R6. City tax records list the owner as KNICKERBOCKER 302, LLC; the most recent deed with a stated price is dated June 7, 2004 at $400,000 (per ACRIS). The Department of Finance's final market value for tax year 2027 is $1,295,000. As of October 31, 2026, NYC Open Data shows one active DOB violation, four open HPD violations and six OATH tickets with an unpaid balance. There were no 311 requests in the past 12 months and four HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

How to cite: NYC Property Facts, “302 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3032190031)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/302-knickerbocker-avenue-3032190031. Source: NYC Open Data.

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 1 |
| Active ECB violations | 0 |
| Open HPD violations | 4 |
| OATH tickets with unpaid balance | 6 |

## Lot & building

- Owner of record: KNICKERBOCKER 302, LLC
- Building class: S9 – Mixed-use: dwelling with stores or offices, miscellaneous
- Year built: 1931
- Floors: 3
- Units: 4 residential / 6 total
- Lot area: 2,500 sq ft · Building area: 5,250 sq ft
- Zoning: R6, C1-3
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-10-31

## Tax assessment

- Tax year 2027 (final roll): market value $1,295,000, assessed value $582,750, tax class 2A
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 2013-08-22 | recorded (DEED) | DEED dated 2013-08-22 from HYUN, JAI-CHANG to KNICKERBOCKER 302, LLC, no price stated ($0). | bnx9-e6tj |
| 2004-06-07 | recorded (DEEDO) | DEEDO dated 2004-06-07 from YI, SUNG NO; YI, JUNG SOOK to HYUN, JAI CHANG, stated price $400,000. | bnx9-e6tj |
| 1993-04-22 | recorded (DEED) | DEED dated 1993-04-22 from GIUSTO, IGNAZIO; GIUSTO, CATERINA to YI, JUNG SOOK; YI, SUNG NO, no price stated ($0). | bnx9-e6tj |
| 1990-01-29 | recorded (DEED) | DEED dated 1990-01-29 from CANNIZZARO, ANGELA; CANNIZZARO, JOHN J to GIUSTO, IGNAZIO; GIUSTO, CATERINA, no price stated ($0). | bnx9-e6tj |
| 1984-10-15 | recorded (DEED) | DEED dated 1984-10-15 from CARUSO, SANTA to GIUSTO, CATERINA; CANNIZZARO, ANGELA; GIUSTO, IGNAZIO; CANNIZZARO, JOHN, no price stated ($0). | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2019-04-29 | n/a (ISSUED (initial)) | BIS work permit for job 321933235: Equipment work / Other / general construction. Issued 2019-04-29, expires 2020-01-16. | ipu4-2q9a |

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

| Date | Status | Description | Source |
|---|---|---|---|
| 1993-08-16 | open (V-DOB VIOLATION - ACTIVE) | DOB violation (LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIRED). Active — not recorded as resolved or dismissed. | 3h2n-5cm9 |
| 2024-05-23 | open (Nov Sent Out) | HPD class A violation (Class A) in apt 2R: § 300 M/D LAW FILE PLANS AND APPLICATION AND LEGALIZE THE FOLLOWING ALTERATION OR RESTORE TO THE LEGAL CONDITION EXISTING PRIOR TO THE MAKING OF SAID ALTERATION PARTITION WALL ERECTED FROM FLOOR TO CEILING WITH DOOR OPENING IN THE 3rd ROOM FROM NORTH LOCATED …. Open — not recorded as corrected. | wvxf-dwi5 |
| 2020-01-21 | open (Not Complied With) | HPD class C violation (Class C): § 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE AT BUILDING ENTRANCE , 1st STORY. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-10-10 | open (Not Complied With) | HPD class A violation (Class A) in apt 2R: § 213, SUBD. 5 M/D LAW DISCONTINUE USE OF INTERIOR ROOM FOR LIVING OR PROVIDE A SINGLE OPENING OF AT LEAST 60 PERCENT OF AREA OF THE PARTITION TO ROOM HAVING WINDOW OPENING DIRECTLY TO STREET OR YARD ... IN THE 3rd ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY…. Open — not recorded as corrected. | wvxf-dwi5 |
| 2019-10-10 | open (Not Complied With) | HPD class A violation (Class A) in apt 2R: § 213, SUBD. 5 M/D LAW DISCONTINUE USE OF INTERIOR ROOM FOR LIVING OR PROVIDE A SINGLE OPENING OF AT LEAST 60 PERCENT OF AREA OF THE PARTITION TO ROOM HAVING WINDOW OPENING DIRECTLY TO STREET OR YARD ... IN THE 2nd ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY…. Open — not recorded as corrected. | wvxf-dwi5 |

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-04-21 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2026-04-14 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-07-17 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY SIDEWALK COMM MAN INDUSTRIAL MIXED USE 1ST. Unpaid balance $450. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-04-08 | open (DOCKETED · DEFAULTED) | OATH ticket from Sanitation Others: DIRTY SIDEWALK. Unpaid balance $300. Respondent defaulted (did not appear). | jz4z-kudi |
| 2022-08-10 | open (DOCKETED · DEFAULTED) | OATH ticket from Dos - Enforcement Agents: ILLEGAL POSTING OF HANDBILL NOTICE. Unpaid balance $125. Respondent defaulted (did not appear). | jz4z-kudi |
| 2018-08-15 | open (DOCKETED · DEFAULTED) | OATH ticket from Fire Department Of Nyc: PERMITS. Unpaid balance $1,000. Respondent defaulted (did not appear). | jz4z-kudi |

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-10-29 | closed (CLOSE) | HPD complaint (apt 3L): Heat/Hot Water – Entire Building. HPD responded to a complaint of no heat or hot water in the building. An occupant of the building confirmed heat and hot water had been restored when the Inspector attempted to conduct the inspection… | ygpa-z7cr |
| 2020-02-21 | closed (CLOSE) | HPD complaint (apt 2R): Safety – Window Guard Broken/Missing. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2019-10-01 | closed (CLOSE) | HPD complaint (apt 2R): Unsanitary Condition – Mold; Unsanitary Condition – Pests. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |
| 2019-08-28 | closed (CLOSE) | HPD complaint (apt 3R): Plumbing – Basin/Sink; Unsanitary Condition – Mold; Appliance – Refrigerator; Unsanitary Condition – Pests; Paint/Plaster – Wall. The Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed. | ygpa-z7cr |

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as KNICKERBOCKER 302, LLC. | 64uk-42ks |
| 2013-08-22 | recorded | Grantee (buyer) on the most recent deed (DEED, 2013-08-22). | 636b-3b5g |
| 2026-08-21 | current_registration | HPD registration contact: CorporateOwner (KNICKERBOCKER 302 LLC), business city Long Island Cit. | feu5-w2e2 |
| 2026-08-21 | current_registration | HPD registration contact: Agent Yongjoon Hyun, business city Long Island Cit. | feu5-w2e2 |
| 2026-08-21 | current_registration | HPD registration contact: Shareholder Kyu Mai Hyun, business city Long Island Cit. | feu5-w2e2 |
| 2026-08-21 | current_registration | HPD registration contact: HeadOfficer Kyumai Hyun, business city Long Island Cit. | feu5-w2e2 |
| 2026-08-21 | current_registration | HPD registration contact: SiteManager Yong Hyun. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3032190031