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302 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3032190031 (Borough 3, Block 3219, Lot 31) · BIN 3073180 · Last updated:

Summary · as of October 31, 2026

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.)

Owner of record
KNICKERBOCKER 302, LLC
Building class
S9 · Mixed-use: dwelling with stores or offices, miscellaneous
Year built · units
1931 · 4 res.
Lot area · zoning
2,500 sq ft · R6
Market value (DOF)
$1,295,000 FY2027
Last priced deed
$400,000 · 2004-06-07
BBL
3032190031
BIN
3073180

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.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
KNICKERBOCKER 302, LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S9 – Mixed-use: dwelling with stores or offices, miscellaneousThe Department of Finance’s category for what kind of building this is.
Land use
Mixed residential & commercialCity Planning’s broad category of how the lot is used.
Year built
1931Often an estimate for older buildings.
Floors
3
Units
4 residential / 6 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
2,500 sq ft (25 ft × 100 ft)
Building floor area
5,250 sq ft (incl. 1,750 sq ft commercial)
Zoning
R6, C1-3The zoning district sets what can be built and used here. Residential district; the overlay (C1/C2…) allows local retail on residential blocks.
Built vs. allowed density (FAR)
2.10 built / 2.43 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 3032190031 (Borough 3, Block 3219, Lot 31) · BIN 3073180BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-10-31; Building Footprints — city dataset updated 2026-10-25; data as of 2026-10-31

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$1,295,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$582,750The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$154,985Assessed value minus any exemptions.
Tax class
Tax class 2A – residential rental, 4–6 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$1,295,000$582,7502A
2026Final$1,106,000$497,7002A
2025Final$1,311,600$590,2202A

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-10-31

Sales & deed history 5

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2013-08-22DEED$0 / not statedHyun, Jai-ChangKnickerbocker 302, Llc2013082600517001
2004-06-07DEEDO$400,000Yi, Sung No; Yi, Jung SookHyun, Jai Chang2004062100151001
1993-04-22DEED$0 / not statedGiusto, Ignazio; Giusto, CaterinaYi, Jung Sook; Yi, Sung NoFT_3150001771215
1990-01-29DEED$0 / not statedCannizzaro, Angela; Cannizzaro, John JGiusto, Ignazio; Giusto, CaterinaFT_3610001520561
1984-10-15DEED$0 / not statedCaruso, SantaGiusto, Caterina; Cannizzaro, Angela; Giusto, Ignazio; Cannizzaro, JohnFT_3700001047170

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-10-31; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-10-31

DOB job filings 0 open of 1

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Not open
SIGNED OFF · 2019-08-15
321933235
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2019-03-14$18,940

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-10-30; data as of 2026-10-31; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 1

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2019-04-292020-01-16321933235
BIS
Equipment work / Other / general constructionISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-10-30; data as of 2026-10-31; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 1 active of 8

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).

StatusIssuedTypeDescriptionNumber
Active
V-DOB VIOLATION - ACTIVE
1993-08-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV081693LL629122291
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2005-01-31LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*013105LL629112343
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2003-03-19LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*031903LL629118706
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1999-03-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*031699LL629119096
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1998-05-04LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*050498LL629117969
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1995-08-29LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*082995LL629124120
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1994-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060194LL629105069
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1993-06-01LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*060193LL629105068

Source: DOB Violations — city dataset updated 2026-10-31; data as of 2026-10-31

ECB violations (DOB) 0 active of 0

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active means the condition has not been certified as corrected and/or the case is not resolved. A balance due is a fine the city says is unpaid.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-10-31

OATH tickets (all agencies) 6 unpaid of 37

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
Unpaid balance Default
DOCKETED · DEFAULTED
2026-04-21Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STKNICKERBOCKER 302 LLC$300 / $0 / $300049690371X
Unpaid balance Default
DOCKETED · DEFAULTED
2026-04-14Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STKNICKERBOCKER 302 LLC$300 / $0 / $300049690352K
Unpaid balance Default
DOCKETED · DEFAULTED
2025-07-17Sanitation OthersDIRTY SIDEWALK COMM MAN INDUSTRIAL MIXED USE 1STLA EXQUISITA BAKERY$450 / $0 / $450049250227M
Unpaid balance Default
DOCKETED · DEFAULTED
2025-04-08Sanitation OthersDIRTY SIDEWALKKNICKERBOCKER 302 LLC$300 / $0 / $300049054769Z
Unpaid balance Default
DOCKETED · DEFAULTED
2022-08-10Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICEABSURD CONCLAVE LLC C O LEGALC$125 / $0 / $125047381078P
Unpaid balance Default
DOCKETED · DEFAULTED
2018-08-15Fire Department Of NycPERMITSDANNY'S FISH MARKET$1,000 / $0 / $1,000011645163J
No balance due Default
PAID IN FULL · DEFAULTED
2025-10-14Dos - Enforcement AgentsRECYC PLACED FOR COLLECTION W NON-RECYC 1 TO 8 DWELLING UNITSKNICKERBOCKER 302 LLC$25 / $25 / $0049451249Y
No balance due
PAID IN FULL
2025-06-07Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STKNICKERBOCKER 302 LLC$50 / $50 / $0049204830J
No balance due
PAID IN FULL
2025-03-06Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETKNICKERBOCKER 302 LLC$50 / $50 / $0049013881H
No balance due
PAID IN FULL
2024-12-31Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STPAN RICO AMBATENO$300 / $300 / $00803325986
No balance due Default
PAID IN FULL · DEFAULTED
2024-05-16Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1ST$600 / $600 / $00803068678
No balance due
PAID IN FULL
2023-12-16Dos - Enforcement AgentsDIRTY SIDEWALKKNICKERBOCKER 302 LLC$50 / $50 / $0048197916L

Showing 12 of 37 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-10-31; data as of 2026-10-31

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

HPD building ID
321230
Last registered
2026-08-21
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
CorporateownerKNICKERBOCKER 302 LLCLong Island Cit, Ny
AgentYongjoon HyunLong Island Cit, Ny
ShareholderKyu Mai HyunLong Island Cit, Ny
HeadofficerKyumai HyunLong Island Cit, Ny
SitemanagerYong Hyun

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-10-28; data as of 2026-10-31; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-10-31

HPD housing-code violations 4 open of 36

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

StatusClassIssuedAptCondition
Open
Nov Sent Out · 2024-05-23
A2024-05-232R§ 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 A
Open
Not Complied With · 2024-05-14
C2020-01-21§ 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 Complied With · 2024-05-19
A2019-10-102R§ 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 Complied With · 2024-05-19
A2019-10-102R§ 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,
Closed
Violation Dismissed · 2026-02-20
B2025-11-07§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AND CONSTRUCTION MATERIAL AT PUBLIC HALL, 3rd STORY
Closed
Violation Dismissed · 2026-01-20
C2025-11-03§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS AT BUILDING ENTRANCE DOOR , 1st STORY
Closed
Violation Closed · 2025-12-02
C2025-11-03§ 27-2044, 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE LATCH AT VESTIBULE DOOR , 1st STORY
Closed
Violation Closed · 2025-11-14
C2025-11-03§ 27-2044, 2041.1 HMC: §238 MDL and 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE LATCH AT BUILDING ENTRANCE DOOR , 1st STORY
Closed
Violation Dismissed · 2024-08-08
C2024-05-232R§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANE LOWER SASH WINDOWS AT NORTH IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
Closed
Violation Dismissed · 2024-07-31
B2024-05-15§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH SET AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY
Closed
Violation Dismissed · 2024-07-31
B2024-05-15§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH SET AT ENTRANCE DOOR TO BUILDING AT PUBLIC HALL, 1st STORY
Closed
Violation Closed · 2024-06-03
C2024-05-15§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT ENTRANCE DOOR TO BUILDING AT PUBLIC HALL, 1st STORY
Closed
Violation Dismissed · 2024-07-31
B2024-05-15§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE IRON SCUTTLE LADDER AT PUBLIC HALL, 3rd STORY
Closed
Violation Dismissed · 2024-07-31
B2024-05-15§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT CEILING. AT PUBLIC HALL, 3rd STORY
Closed
Violation Dismissed · 2024-07-31
A2024-05-15§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE CEILING AT PUBLIC HALL, 3rd STORY
Closed
Violation Dismissed · 2024-05-01
A2024-04-10(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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Closed
Violation Dismissed · 2022-03-21
A2022-02-25(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 HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Closed
Violation Dismissed · 2020-04-27
A2020-01-21§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING.
Closed
Violation Dismissed · 2020-04-27
A2020-01-21§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING.
Closed
Violation Dismissed · 2020-04-27
A2020-01-21§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX .. , 1st STORY

Showing 20 of 36 records — open violations are listed first; the API lists every one. The API and the source dataset have the full list.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-10-31; data as of 2026-10-31

HPD complaints 4

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

ReceivedStatusAptProblem(s)Outcome
2025-10-29CLOSE3LHeat/Hot Water – Entire BuildingHPD 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
2020-02-21CLOSE2RSafety – Window Guard Broken/MissingThe Department of Housing Preservation and Development inspected the following conditions. No violations were issued. The complaint has been closed.
2019-10-01CLOSE2RUnsanitary 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.
2019-08-28CLOSE3RPlumbing – 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.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-10-31; data as of 2026-10-31

311 requests (last 12 months) 0

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

No records found in this dataset for this lot.

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-10-31; data as of 2026-10-31

Nearby properties

On Knickerbocker Ave

Same tax block (3219)

All properties on Knickerbocker Ave, Brooklyn · All of Brooklyn 11237 (Bushwick (West))

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · API & MCP docs