Independent site. Data from NYC Open Data; not affiliated with the City of New York.

NYC Property Factsfree public-records reference

446 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3032880019 (Borough 3, Block 3288, Lot 19) · BIN 3075089 · Last updated:

Summary · as of October 31, 2026

446 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3032880019) 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 1930, on a 1,432 sq ft lot zoned C4-3. City tax records list the owner as 446 KNICKERBOCKER AVE. LLC; per ACRIS, a deed to this owner dated October 16, 2008 lists a price of $1,600,000. The Department of Finance's final market value for tax year 2027 is $1,717,000. As of October 31, 2026, NYC Open Data shows two DOB jobs with a permit issued but no sign-off and two OATH tickets with an unpaid balance. There were eight 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
446 KNICKERBOCKER AVE. LLC
Building class
S2 · Mixed-use: two-family home with one store or office
Year built · units
1930 · 2 res.
Lot area · zoning
1,432 sq ft · C4-3
Market value (DOF)
$1,717,000 FY2027
Last priced deed
$1,600,000 · 2008-10-16
BBL
3032880019
BIN
3075089

How to cite: NYC Property Facts, “446 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3032880019)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/446-knickerbocker-avenue-3032880019. 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)
446 KNICKERBOCKER AVE. LLCThe 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
1930Often 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
1,432 sq ft (24.92 ft × 67 ft)
Building floor area
2,990 sq ft (incl. 1,017 sq ft commercial)
Zoning
C4-3The zoning district sets what can be built and used here. Commercial district.
Built vs. allowed density (FAR)
2.09 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 3032880019 (Borough 3, Block 3288, Lot 19) · BIN 3075089BBL 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)
$1,717,000The 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
$103,020The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$41,656Assessed 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$1,717,000$103,0201
2026Final$1,584,000$95,0401
2025Final$1,400,000$84,0001

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

Sales & deed history 3

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
2008-10-16DEED$1,600,000446 Knickerbocker Ave. Realty Corp.; 446 Knickerbocker Avenue Realty Corp.446 Knickerbocker Ave. Llc2008101700120001
1977-07-21DEED$0 / not statedSpitaleri Vincenza; Spitaleri Alfonso446 Knickerbocker Ave Realty CorpBK_7730093300445
1970-02-09DEED$0 / not statedWeiss Charles PSpitaleri Vincenza; Spitaleri AlfonsoBK_7030039201920

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 2 open of 5

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 · 2021-10-18
B00551630-I1
DOB NOW
Alteration2021-08-03$219,350
Permitted, not signed off
Permit Entire · 2021-08-06
B00551653-I1
DOB NOW
Alteration2021-08-03$1,000
Not open
LOC Issued · 2022-01-04
B00648744-I1
DOB NOW
Alteration2021-12-28$7,371
Not open
LOC Issued · 2022-03-28
B00551665-I1
DOB NOW
Alteration2021-08-03$50,000
Not open
SIGNED OFF · 2013-06-25
320741961
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2013-04-11$3,750

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 11

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
2022-02-072022-06-14B00551665-I1
DOB NOW
Plumbing
INTERIOR RENOVATION OF AN EXISTING COMMERCIAL STORE AT 1ST FLOOR OF BUILDING. REPLACE AND INSTALL NEW PLUMBING FIXTURES.
Signed-off
2021-12-292022-01-11B00648744-I1
DOB NOW
Sign
Erect illuminated non advertising sign on wall. No change od use, egress or occupancy.
Signed-off
2021-10-182022-04-01B00551630-I1
DOB NOW
Mechanical Systems
INTERIOR AND STOREFRONT RENOVATION OF AN EXISTING COMMERCIAL STORE ON 1ST FLOOR OF AN EXISTING BUILDING. REPLACE EXISTING FLOORING, CEILING TILES, INSTALL/REMOV
Permit Issued
2021-10-182022-04-01B00551630-I1
DOB NOW
General Construction
INTERIOR AND STOREFRONT RENOVATION OF AN EXISTING COMMERCIAL STORE ON 1ST FLOOR OF AN EXISTING BUILDING. REPLACE EXISTING FLOORING, CEILING TILES, INSTALL/REMOV
Permit Issued
2021-08-312021-10-05B00551630-I1
DOB NOW
General Construction
INTERIOR AND STOREFRONT RENOVATION OF AN EXISTING COMMERCIAL STORE ON 1ST FLOOR OF AN EXISTING BUILDING. REPLACE EXISTING FLOORING, CEILING TILES, INSTALL/REMOV
Permit Issued
2021-08-312021-10-05B00551630-I1
DOB NOW
Mechanical Systems
INTERIOR AND STOREFRONT RENOVATION OF AN EXISTING COMMERCIAL STORE ON 1ST FLOOR OF AN EXISTING BUILDING. REPLACE EXISTING FLOORING, CEILING TILES, INSTALL/REMOV
Permit Issued
2021-08-162021-12-26B00551665-I1
DOB NOW
Plumbing
INTERIOR RENOVATION OF AN EXISTING COMMERCIAL STORE AT 1ST FLOOR OF BUILDING. REPLACE AND INSTALL NEW PLUMBING FIXTURES.
Signed-off
2021-08-102021-08-19B00551630-I1
DOB NOW
General Construction
INTERIOR AND STOREFRONT RENOVATION OF AN EXISTING COMMERCIAL STORE ON 1ST FLOOR OF AN EXISTING BUILDING. REPLACE EXISTING FLOORING, CEILING TILES, INSTALL/REMOV
Permit Issued
2021-08-102021-08-19B00551630-I1
DOB NOW
Mechanical Systems
INTERIOR AND STOREFRONT RENOVATION OF AN EXISTING COMMERCIAL STORE ON 1ST FLOOR OF AN EXISTING BUILDING. REPLACE EXISTING FLOORING, CEILING TILES, INSTALL/REMOV
Permit Issued
2021-08-062021-08-19B00551653-I1
DOB NOW
Construction Fence
THIS APPLICATION IS FILED FOR A TEMPORARY CONSTRUCTION FENCE THREE (3) FEET BEYOND PROPERTY LINE
Permit Issued
2013-06-032013-07-21320741961
BIS
Equipment work / Mechanical/HVACISSUED (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 0 active of 6

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
V*-DOB VIOLATION - DISMISSED
2018-04-06LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORTV*040618LBLVIO09718
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2017-02-24LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORTV*022417LBLVIO07621
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2014-05-15LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORTV*051514LBLVIO12148
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2013-03-01LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORTV*030113LBLVIO09032
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1995-08-29LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*082995LL629127473
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1994-07-25LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*072594LL629102715

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) 2 unpaid of 69

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
2013-03-07Dos - Enforcement AgentsILLEGAL PLACEMENT OF STICKERS OR DECALS ON PUBLIC OR PRIVATE PROPERTYSUPER STEEL WORKS$500 / $0 / $500041944734M
Unpaid balance Default
DOCKETED · DEFAULTED
2013-03-07Dos - Enforcement AgentsILLEGAL PLACEMENT OF STICKERS OR DECALS ON PUBLIC OR PRIVATE PROPERTYSUPER STEEL WORKS$500 / $0 / $500041944733K
No balance due
PAID IN FULL
2026-03-03Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET446 KNICKERBOCKER AVE LLC$50 / $50 / $0049651068L
No balance due
PAID IN FULL
2025-10-24Sanitation OthersIMPROPER RECEPTACLE NON-RESIDENTIAL 1STDUNKIN$50 / $50 / $0049499490N
No balance due
PAID IN FULL
2025-08-23Dos - Enforcement AgentsFAIL TO CLEAN 18 INCH INTO STREET COMM MAN INDUSTRIAL MIXED USE 1STDUNKIN'$50 / $50 / $0047666958M
No balance due
PAID IN FULL
2025-03-04Sanitation OthersDIRTY SIDEWALKDUNKIN DONUTS$50 / $50 / $0048958184Z
No balance due
PAID IN FULL
2025-03-01Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET446 KNICKERBOCKER AVE LLC$50 / $50 / $0049013850P
No balance due
PAID IN FULL
2025-01-28Sanitation OthersIMPROPER RECEPTACLE NON-RESIDENTIAL 1STDUNKIN$50 / $50 / $0048898703J
No balance due
PAID IN FULL
2024-10-21Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETDUNKING DONUTS$50 / $50 / $0048671288P
No balance due
PAID IN FULL
2024-09-12Dos - Enforcement AgentsIMPROPER RECEPTACLE ALL BUSINESSES 1STDUNKIN$50 / $50 / $0048653251M
No balance due
PAID IN FULL
2024-08-12Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET446 KNICKERBOCKER AVE LLC$50 / $50 / $0048512322L
No balance due
PAID IN FULL
2024-06-18Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREETDUNKIN' DONUTS$50 / $50 / $0048354769R

Showing 12 of 69 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.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

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 0 open of 0

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.

No records found in this dataset for this lot.

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

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 2026-10-31; data as of 2026-10-31

311 requests (last 12 months) 8

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
2026-08-18NYPDIllegal Parking – Blocked Bike LaneClosed2026-08-18
2026-07-01NYPDIllegal Parking – Blocked Bike LaneClosed2026-07-01
2026-06-23DOHMHFood Establishment – Bare Hands in Contact w/ FoodClosed2026-08-22
2025-12-03NYPDIllegal Parking – Blocked Bike LaneClosed2025-12-03
2025-11-19NYPDIllegal Parking – Blocked Bike LaneClosed2025-11-19
2025-11-17NYPDIllegal Parking – Blocked Bike LaneClosed2025-11-17
2025-11-10NYPDIllegal Parking – Blocked Bike LaneClosed2025-11-10
2025-11-09NYPDIllegal Parking – Blocked Bike LaneClosed2025-11-09

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 (3288)

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