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Brooklyn • Elevator Apartment

803 Knickerbocker Ave

Brooklyn, NY 11237Company-ownedBBL 3034130005BIN 3423720
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Updated Aug 1, 2026 · 16 sources

Year Built2013
Floors6
Units25
Building Area29,705 sqft
ZoningR6
ClassD7
Market Value$4.2M

803 KNICKERBOCKER AVE is a property located at 803 KNICKERBOCKER AVE, Brooklyn, NY 11237. It is classified as a elevator apartment - semi-fireproof with stores. The building was constructed in 2013. It has 6 floors and 25 units. The building area is 29,705 square feet on a 10,001 sqft lot. The property is zoned R6. The assessed market value is $4.2M. Public records list the property as company-owned. There are 62 building permits on record (45 active). There are 58 violations on record (7 currently open). 4 docketed judgments carrying $6,600 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

542records on file
90Energy Star

Completed in 2013, 803 Knickerbocker Ave rises 6 stories over Kings. Public records put it at 25 units and 29,705 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $4.2M, and assessed for tax at $1.9M. In the 16 years its record reaches back, the lot has drawn 542 separate government filings.

The documentary life of the address leans hard toward complaint: 344 of its 542 records, fully 63%, fall under that one heading. Permit (62) and violation (58) trail well behind. 7 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2024.

On the environmental ledger, the building posts an Energy Star score of 90, with a site energy-use intensity of 45.7 kBtu per square foot. Its operations answer for roughly 109 metric tons of CO2-equivalent a year.

Read together — 63% complaint, 16 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$4.2M of Kings, written across 542 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address803 KNICKERBOCKER AVE, Brooklyn, NY 11237
Building TypeElevator Apartment - Semi-Fireproof With Stores
D7
Year Built2013
Floors6
Total Units25
Building Area29,705 sqft
Lot Size10,001 sqft
ZoningR6
ConditionAverage
3034130005
3423720
OwnershipCompany-owned

Assessment & Sales

$4.2M
$1.9M
$205K

Building Permits

62 on record · 45 active
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Apr 20, 2017Est. cost $620KJob #321063255-01

GEN. CONSTR.

View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Feb 21, 2017Est. cost $8KJob #321419988-01
View this permit's full record & inspection history →
PlumbingDOB Legacy
ISSUED
Filed Aug 5, 2015Job #321063255-01-01

PL

View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Jul 2, 2015Est. cost $25KJob #321097905-01
View this permit's full record & inspection history →
New BuildingDOB Legacy
SIGNED OFF
Filed Nov 14, 2014Job #320044901-01

GEN. CONSTR

View this permit's full record & inspection history →

+ 57 more permits — view full report

Violations

58 on record · 7 open
Open judgment balance — docketed OATH judgments$6,600
Judgments · 4 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jun 22, 2026Balance $300Ticket #049537885M
IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2025Balance $300Ticket #049236232X
IMPROPER DISPOSAL--BEDDING 1ST OCCURRENCE
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2025Balance $5,000Ticket #012157469X
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2024Balance $1,000Ticket #012148357R
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
HPDClass B
NOV SENT OUT
Issued Oct 31, 2025#18336775

§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass C
NOV SENT OUT
Issued Oct 31, 2025#18336773

§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Oct 31, 2025#18336776

§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass C
NOTICE OF ISSUANCE SENT TO TENANT
Issued Oct 31, 2025#18336774

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4C, 4th STORY, 2nd APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →

+ 54 more violations on record — view full report

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Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 803 KNICKERBOCKER AVE, Brooklyn built?

The building at 803 KNICKERBOCKER AVE, Brooklyn, NY 11237 was constructed in 2013. It is classified as a elevator apartment - semi-fireproof with stores with 6 floors and 25 units. The building area is 29,705 sqft.

Are there building permits at 803 KNICKERBOCKER AVE, Brooklyn?

Yes. 803 KNICKERBOCKER AVE, Brooklyn, NY 11237 has 62 building permits on record, with 45 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration — Type 1 (SIGNED OFF) filed Apr 20, 2017.

Does 803 KNICKERBOCKER AVE, Brooklyn have violations?

Yes. 803 KNICKERBOCKER AVE, Brooklyn, NY 11237 has 58 violations on record, with 7 currently open. Breakdown: 9 DOB, 1 ECB, 48 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 803 KNICKERBOCKER AVE, Brooklyn have docketed judgments?

Yes. 803 KNICKERBOCKER AVE, Brooklyn, NY 11237 has 4 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $6,600. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 803 KNICKERBOCKER AVE?

803 KNICKERBOCKER AVE, Brooklyn, NY 11237 has an assessed market value of $4.2M and a total assessed value of $1.9M (land: $205K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 803 KNICKERBOCKER AVE?

803 KNICKERBOCKER AVE, Brooklyn, NY 11237 is zoned R6. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 803 KNICKERBOCKER AVE?

803 KNICKERBOCKER AVE, Brooklyn, NY 11237 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 803 KNICKERBOCKER AVE?

Search 803 KNICKERBOCKER AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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803 KNICKERBOCKER AVE, Brooklyn, NY 11237 — Property Records, Permits, Violations, Tax & Zoning | RegWatch