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398 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3032680040 (Borough 3, Block 3268, Lot 40) · BIN 3074455 · Last updated:

Summary · as of November 5, 2026

398 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3032680040) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1931, on a 2,500 sq ft lot zoned C4-3. City tax records list the owner as SOCA RLTY CORP. The Department of Finance's final market value for tax year 2027 is $2,474,000. As of November 5, 2026, NYC Open Data shows three DOB jobs with a permit issued but no sign-off, 36 open HPD violations and five OATH tickets with an unpaid balance. There were two 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
SOCA RLTY CORP
Building class
S2 · Mixed-use: two-family home with one store or office
Year built · units
1931 · 2 res.
Lot area · zoning
2,500 sq ft · C4-3
Market value (DOF)
$2,474,000 FY2027
Last priced deed
—
BBL
3032680040
BIN
3074455

How to cite: NYC Property Facts, “398 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3032680040)”, data as of 2026-11-05, https://nycpropertyfacts.com/ny/brooklyn/398-knickerbocker-avenue-3032680040. 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)
SOCA RLTY CORPThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S2 – Mixed-use: two-family home with one store or officeThe 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
2 residential / 3 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
4,175 sq ft (incl. 1,375 sq ft commercial)
Zoning
C4-3The zoning district sets what can be built and used here. Commercial district.
Built vs. allowed density (FAR)
1.67 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 3032680040 (Borough 3, Block 3268, Lot 40) · BIN 3074455BBL 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 2026-11-05; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

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

Market value (tax year 2027, final roll)
$2,474,000The 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
$148,440The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$64,567Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,474,000$148,4401
2026Final$1,881,000$112,8601
2025Final$1,714,000$102,8401

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-05

Sales & deed history 1

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
1997-08-21DEED$0 / not statedSandeen Realty CorpSoca Realty CorpFT_3280005864228

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-05; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-05

DOB job filings 3 open of 11

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
Permitted, not signed off
Permit Entire · 2023-06-06
B00617843-S1
DOB NOW
Alteration2021-10-27$25,000
Permitted, not signed off
Permit Entire · 2022-11-02
B00617843-I1
DOB NOW
Alteration2021-10-26$63,200
Permitted, not signed off
PERMIT ISSUED - PARTIAL JOB · 2018-03-29
321673747
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2017-10-20$105,415
Not open
SIGNED OFF · 2013-08-30
320866470
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2013-06-05$7,000
Not open
SIGNED OFF · 2013-08-07
340035795
BIS
A3 – Minor alteration (one type of work)2013-01-30—
Not open
SIGNED OFF · 2013-05-30
340035786
BIS
A3 – Minor alteration (one type of work)2013-01-30—
Not open
SIGNED OFF · 2013-12-13
320512833
BIS
A1 – Major alteration (changes use, egress or occupancy)2012-07-24$354,000
Not open
PLAN EXAM - APPROVED · 2001-11-28
301241840
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2001-10-26$10,000
Not open
SIGNED OFF · 2002-10-16
301241831
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2001-10-26$3,000
Not open
SIGNED OFF · 2013-06-20
300666580
BIS
A3 – Minor alteration (one type of work)1997-09-03—
Not open
SIGNED OFF · 2013-06-20
300664699
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1997-08-26$3,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-05; DOB Job Application Filings (BIS) — city dataset updated 2026-11-04; data as of 2026-11-05

Work permits 17

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
2022-11-022023-08-16B00617843-I1
DOB NOW
General Construction
RENOVATION OF STORE, INCLUDING INSTALLATION OF PARTITION AND S/S HOOD WITH EXHAUST DUCT. NO CHANGE IN USE, OCCUPANCY AND MEANS OF EGRESS IS INVOLVED UNDER THIS
Permit Issued
2022-11-022023-08-16B00617843-I1
DOB NOW
Mechanical Systems
RENOVATION OF STORE, INCLUDING INSTALLATION OF PARTITION AND S/S HOOD WITH EXHAUST DUCT. NO CHANGE IN USE, OCCUPANCY AND MEANS OF EGRESS IS INVOLVED UNDER THIS
Permit Issued
2021-11-182022-11-18B00617843-S1
DOB NOW
Plumbing
INSTALLATION OF PLUMBING FIXTURE. NO CHANGE IN USE, OCCUPANCY AND MEANS OF EGRESS IS INVOLVED UNDER THIS APPLICATION.
Signed-off
2021-11-012022-08-16B00617843-I1
DOB NOW
General Construction
RENOVATION OF STORE, INCLUDING INSTALLATION OF PARTITION AND S/S HOOD WITH EXHAUST DUCT. NO CHANGE IN USE, OCCUPANCY AND MEANS OF EGRESS IS INVOLVED UNDER THIS
Permit Issued
2021-11-012022-08-16B00617843-I1
DOB NOW
Mechanical Systems
RENOVATION OF STORE, INCLUDING INSTALLATION OF PARTITION AND S/S HOOD WITH EXHAUST DUCT. NO CHANGE IN USE, OCCUPANCY AND MEANS OF EGRESS IS INVOLVED UNDER THIS
Permit Issued
2018-03-292019-03-29321673747
BIS
Equipment work / Other / general constructionISSUED (renewal)
2018-03-292019-03-29321673747
BIS
Equipment work / Mechanical/HVACISSUED (renewal)
2017-10-202018-03-30321673747
BIS
Equipment work / Other / general constructionISSUED (initial)
2017-10-202018-03-30321673747
BIS
Equipment work / Mechanical/HVACISSUED (initial)
2013-06-112014-06-11320866470
BIS
Equipment work / BoilerISSUED (initial)
2013-02-272014-02-27320512833
BIS
Plumbing / PlumbingISSUED (initial)
2013-01-312013-12-31340035795
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)

Showing 12 of 17 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-05; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 2

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
Resolved/dismissed
VW*-VIOLATION - WORK W/O PERMIT DISMISSED
2000-12-04C-CONSTRUCTION OTHER OPTIONALWORK WITHOUT A PERMIT. NOTED: ERECTED STEEL PLATING ON EXTERIOR WALL AT REAR OF BALCONY REMEDY: OBTAIN PERMITVW*120400C04JL01
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1998-05-04LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*050498LL629125129

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-05

ECB violations (DOB) 0 active of 3

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2013-07-11CLASS - 1UNAPPROVED/UNSAFE/UNSUITABLE ELECTRICAL EQUIPMENT, APPARATUS OR WIRINGIN USE. 200A SER SW LATCHES CUT OFF. DEFECTIVE SER SW. THE 200A SER SWWAS ALTERED; BY CUTTING OFF THE LATCHES THAT SECURES THE 200A SER SW$1,600 / $1,200 / $034997570K
Resolved
Hearing: DEFAULT · Certification: CERTIFICATE ACCEPTED
2000-12-04HazardousWORK WITHOUT PERMIT. NOTED: ERECTED STEEL PLATING OR EXTERIOR WALL AT REAR OF BLDG. REMEDY: OBTAIN PERMIT.$2,500 / $2,500 / $034262015Y
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
2013-07-11CLASS - 1SEC. EC 250.64E. GROUND RACEWAY IS NOT CONTINUOUS FOR EXISTING 200 & SER SW IN THE BASEMENT. REMEDY: COMPLY W/THE EC CODE.$400 / $300 / $034997569N

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-05

OATH tickets (all agencies) 5 unpaid of 67

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
2023-11-29Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICEDORAL URGENT CARE$125 / $0 / $125048202008J
Unpaid balance Default
DOCKETED · DEFAULTED
2023-11-29Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICEDORAL URGENT CARE$125 / $0 / $125048202009L
Unpaid balance Default
DOCKETED · DEFAULTED
2023-11-29Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICEDORAL URGENT CARE$125 / $0 / $125048202010Z
Unpaid balance Default
DOCKETED · DEFAULTED
2022-08-05Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICEABSURD CONCLAVE LLC C O LEGA$125 / $0 / $125047445475Z
Unpaid balance Default
DOCKETED · DEFAULTED
2019-10-22Dos - Enforcement AgentsILLEGAL POSTING OF HANDBILL NOTICEEL MANABA RESTAURANT CORP$200 / $0 / $200045193671P
No balance due
PAID IN FULL
2026-07-01Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCESOCA RLTY CORP$50 / $50 / $0049870965L
No balance due
PAID IN FULL
2025-10-02Sanitation OthersIMPROPER DISPOSAL--BEDDING 1ST OCCURRENCESOCA RLTY CORP$50 / $50 / $0049360377P
No balance due
PAID IN FULL
2025-07-16Dos - Enforcement AgentsLOOSE RUBBISH 1ST OCCURRENCESOCA RLTY CORP$50 / $50 / $0049245117P
No balance due
PAID IN FULL
2025-06-16Sanitation OthersSTORAGE OF RECEPTACLES NON-COLLECTION DAYSOCA RLTY CORP$50 / $50 / $0049233624L
No balance due
PAID IN FULL
2025-06-06Sanitation OthersSTORAGE OF RECEPTACLES NON-COLLECTION DAYSOCA RLTY CORP$50 / $50 / $0049174554H
No balance due
PAID IN FULL
2025-06-04Sanitation OthersIMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STSOCA RLTY CORP$50 / $50 / $0049174531P
No balance due
PAID IN FULL · IN VIOLATION
2025-01-27Pcs - DohmhFAIL TO ELIMINATE RODENT INFESTATION SHOWN BY ACTIVE RODENT SIGNS 1STSOCA RLTY CORP$300 / $300 / $00803355612

Showing 12 of 67 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-05

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
321282
Last registered
2026-06-26
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
CorporateownerSOCA REALTY CORPBrooklyn, Ny
AgentFrank XieBrooklyn, Ny
HeadofficerRaymond CohenBrooklyn, Ny
SitemanagerAngel Gonzalez

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-05; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-05

HPD housing-code violations 36 open of 40

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 · 2008-06-11
B2008-06-11§ 65 M/D LAW PROVIDE UNDER COMPLETED PERMIT, A PROPER ENCLOSURE FOR THE CENTRAL HEATING PLANT, CELLAR CENTER.
Open
Nov Sent Out · 2008-06-11
C2008-06-11§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM CELLAR DOOR LOCKED.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT PLASTER BOARD CEILING CELLAR AT FRONT.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-11.01, 11.03, 11.05 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE REAR YARD.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-10.01 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD CORNICE NORTH & SOUTH BLDG FRONT.
Open
Nov Sent Out · 2008-06-11
A2008-06-11§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR FRAME MISSING.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION ALL STYS PUBLIC HALL.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-10.01 ADM CODE ABATE THE NUISANCE CONSISTING OF EXCESSIVE AMOUNT OF CARTONS STORED IN CELLAR THROUGHOUT.
Open
Nov Sent Out · 2008-06-11
C2008-06-11§ 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM 1 STY PUBLIC HALL & 3N BOILER ROOM DOOR.
Open
Nov Sent Out · 2008-06-11
C2008-06-11D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUB HALL & ON BOILER ROOM DOOR.
Open
Nov Sent Out · 2008-06-11
B2008-06-11D26-19.07 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 50 WATTS INCANDESCENT OR EQUIVALENT FRONT ENTRANCE TO BUILDING.
Open
Nov Sent Out · 2008-06-11
B2008-06-11§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING ENTRANCE DOOR TO BOILER ROOM CELLAR CENTER.
Open
Nov Sent Out · 2008-06-11
B2008-06-11§ 12 M/D LAW DISCONTINUE THE STORAGE OF COMBUSTIBLE MATERIAL LADIES HANDBAGS BOILER ROOM CELLAR CENTER.
Open
Nov Sent Out · 2008-06-11
A2008-06-11D26-21.03 ADM CODE PAINT OR POST A SIGN INDICATING FLOORS ON WALL AT OR NEAR STAIRS PUB HALLS ALL STYS.
Open
Nov Sent Out · 2006-07-28
A2006-07-283L§ 27-2005 ADM CODE REFIT WINDOWS THRU OUT 3 STY EAST APT 3L LOCATED AT APT 3L
Open
Nov Sent Out · 2006-07-28
A2006-07-283L§ 27-2026 ADM CODE RESET, SO AS TO SECURE A PROPER AND TIGHT CONNECTION, THE WATER CLOSET BOWL 3 STY EAST APT 3L BATHROOM. LOCATED AT APT 3L
Open
Nov Sent Out · 2006-07-28
A2006-07-283R§ 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 ACOUSTIC DROP CEILING INSTALLED 3 STY NORTH APT 3R KITCHEN. , SECTION '' ''
Open
Nov Sent Out · 1992-09-29
B1992-09-292L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE STAUTING WOOD FLOOR KITCHEN 2 STY EAST APT 2L. , SECTION '' ''
Open
Nov Sent Out · 1992-09-29
B1992-09-292L§ 27-2044 ADM CODE REPLACE OR REPAIR THE SELF-CLOSING THE DOORS THAT IS MISSING OR DEFECTIVE ENTRANCE 2 STY EAST APT 2L. , SECTION '' ''
Open
Nov Sent Out · 1992-09-29
B1992-09-292L§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR FRONT WEST ROOM 2 STY EAST APT 2L. , SECTION '' ''

Showing 20 of 40 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 2026-11-05; data as of 2026-11-05

HPD complaints 0

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.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-05; data as of 2026-11-05

311 requests (last 12 months) 2

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.

OpenedAgencyComplaintStatusClosed
2026-06-07TLCFor Hire Vehicle Complaint – Driver Complaint - Non PassengerIn Progress—
2026-05-31DOHMHFood Establishment – Toilet FacilityClosed2026-07-30

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-05; data as of 2026-11-05

Nearby properties

On Knickerbocker Ave

Same tax block (3268)

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

Open-item counts as of November 5, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs