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87 Knickerbocker Avenue, Brooklyn, NY 11237

BBL 3030090006 (Borough 3, Block 3009, Lot 6) · BIN 3400397 · Last updated: · Bushwick (West) · ZIP 11237

Summary · as of November 6, 2026

87 Knickerbocker Avenue (Brooklyn, NY 11237; tax lot BBL 3030090006) is a warehouse (building class E1: warehouse (subtype E1)), built around 2004, on a 1,901 sq ft lot zoned M1-1. City tax records list the owner as BATSIVARIS, DEMETRIOS. The Department of Finance's final market value for tax year 2027 is $300,000. As of November 6, 2026 (limited by DOB Job Application Filings (BIS); other open-item sources were confirmed later), NYC Open Data shows two DOB jobs with a permit issued but no sign-off. There was one 311 request 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
BATSIVARIS, DEMETRIOS
Building class
E1 · Warehouse
Year built · units
2004 · 0 res.
Lot area · zoning
1,901 sq ft · M1-1
Market value (DOF)
$300,000 FY2027
Last priced deed
—
BBL
3030090006
BIN
3400397

How to cite: NYC Property Facts, “87 Knickerbocker Avenue, Brooklyn, NY 11237 (BBL 3030090006)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/87-knickerbocker-avenue-3030090006. 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)
BATSIVARIS, DEMETRIOSThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
E1 – Warehouse (subtype E1)The Department of Finance’s category for what kind of building this is.
Land use
Industrial & manufacturingCity Planning’s broad category of how the lot is used.
Year built
2004Often an estimate for older buildings.
Floors
2
Units
0 residential / 2 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,901 sq ft (25 ft × 70.75 ft)
Building floor area
1,900 sq ft (incl. 1,900 sq ft commercial)
Zoning
M1-1The zoning district sets what can be built and used here. Manufacturing district.
Built vs. allowed density (FAR)
1.00 built / 0.00 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 3030090006 (Borough 3, Block 3009, Lot 6) · BIN 3400397BBL 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; last loaded 2026-11-08; Building Footprints — city dataset updated 2026-11-08; last loaded 2026-11-08

Tax assessment

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

Market value (tax year 2027, final roll)
$300,000The 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
$135,000The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$114,840Assessed value minus any exemptions.
Tax class
Tax class 4 – commercial / industrial
Tax yearRollMarket valueAssessed valueTax class
2027Final$300,000$135,0004
2026Final$266,000$119,7004
2025Final$253,000$113,8504

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; last loaded 2026-11-07

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
2000-07-18DEED$0 / not stated
one deed covering 3 lots; price is for all of them
Reyes, Freddy ABatsivaris, DemetriosFT_3670007294067
1991-07-09DEED$0 / not statedMulti Lots CorpReyes, FreddyFT_3140001625814
1990-05-23DEED$0 / not stated
one deed covering 27 lots; price is for all of them
Frosch, Aaron R/Estof; Frosch, Marjorie MMulti-Lots CorpFT_3550001554255
1978-03-10DEED$0 / not statedThe City Of New YorkFrusch Aaron RBK_7830098001666
1976-09-16DEED$0 / not stated
one deed covering 2318 lots; price is for all of them
Finance Admin Of The City Of Ny; ; Ivan E. IrizarryThe City Of New York; BK_7630087101950

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; last loaded 2026-11-07; ACRIS Real Property Legals — city dataset updated 2026-10-08; last loaded 2026-11-07; ACRIS Real Property Parties — city dataset updated 2026-10-08; last loaded 2026-11-07

DOB job filings 2 open of 3

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 ISSUED - ENTIRE JOB/WORK · 2010-02-14
301146294
BIS
A1 – Major alteration (changes use, egress or occupancy)2001-03-14$50,000
Permitted, not signed off
PERMIT ISSUED - PARTIAL JOB · 1997-01-24
300597101
BIS
A1 – Major alteration (changes use, egress or occupancy)1996-11-20$30,000
Not open
PLAN EXAM - DISAPPROVED · 1996-12-18
300597110
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1996-11-20$4,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-06; last loaded 2026-11-07; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; last loaded 2026-11-06

Work permits 15

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
2010-02-142010-12-21301146294
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (renewal)
2009-10-292010-10-29301146294
BIS
Plumbing / PlumbingISSUED (renewal)
2008-12-232009-12-21301146294
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (renewal)
2008-01-072009-01-06301146294
BIS
Plumbing / PlumbingISSUED (renewal)
2007-12-272008-12-21301146294
BIS
AlterationISSUED (renewal)
2007-01-122008-12-21301146294
BIS
AlterationISSUED (renewal)
2005-12-062006-12-13301146294
BIS
AlterationISSUED (renewal)
2004-12-142005-12-13301146294
BIS
AlterationISSUED (renewal)
2004-11-232005-11-23301146294
BIS
Plumbing / PlumbingISSUED (initial)
2003-12-192004-12-13301146294
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (renewal)
2003-12-192004-12-13301146294
BIS
AlterationISSUED (renewal)
2003-08-082003-12-13301146294
BIS
Construction equipment (scaffold, fence, shed) / Construction equipmentISSUED (initial)

Showing 12 of 15 records. The API and the source dataset have the full list.

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-06; last loaded 2026-11-07; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; last loaded 2026-11-07

DOB violations 0 active of 0

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).

No records found in this dataset for this lot.

Source: DOB Violations — city dataset updated 2026-11-06; last loaded 2026-11-07

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 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.

No records found in this dataset for this lot.

Source: DOB ECB Violations — city dataset updated 2026-11-06; last loaded 2026-11-07

OATH tickets (all agencies) 0 unpaid of 3

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 #
No balance due
HEARING COMPLETED · DISMISSED
2015-01-27SNOW,ICE DIRT ON SIDEWALKSBATSIVARIS— / — / —0175196259
No balance due
WRITTEN OFF · WRITTEN OFF
2009-02-05Sanitation RecyclingSNOW,ICE DIRT ON SIDEWALKSBATSIVARIS$100 / $0 / $0040493930N
No balance due
PAID IN FULL
2000-02-23$50 / $50 / —0109760137

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-07; last loaded 2026-11-07

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 2026-11-04; last loaded 2026-11-07; HPD Registration Contacts — city dataset updated 2026-11-04; last loaded 2026-11-07

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 2026-11-06; last loaded 2026-11-07

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 2026-11-07; last loaded 2026-11-07

311 requests (last 12 months) 1

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
2026-05-08DOTSidewalk Condition – Blocked - ConstructionClosed2026-05-13

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; last loaded 2026-11-07

Nearby properties

Ordered by map distance among lots on this street within 40 house numbers and on this tax block within 15 lot numbers.

More in Bushwick (West): Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

Closest on Knickerbocker Ave

Same tax block (3009), closest first

All properties on Knickerbocker Ave, Brooklyn · Brooklyn 11237

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs