Brooklyn • Walk

871 Knickerbocker Ave

Brooklyn, NY 11207Individually ownedBBL 3034310003BIN 3079573

Updated Aug 1, 2026 · 16 sources

Year Built1906
Floors3
Units6
Building Area4,875 sqft
ZoningR6
ClassC2
Market Value$956K

871 KNICKERBOCKER AVE is a property located at 871 KNICKERBOCKER AVE, Brooklyn, NY 11207. It is classified as a walk-up apartment - five to six families. The building was constructed in 1906. It has 3 floors and 6 units. The building area is 4,875 square feet on a 2,500 sqft lot. The property is zoned R6. The assessed market value is $956K. It last sold for $6.2M on Apr 7, 2025. Public records list the property as individually owned. There are 5 building permits on record (4 active). There are 112 violations on record (15 currently open). 18 docketed judgments carrying $2,950 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

428records on file

Completed in 1906, 871 Knickerbocker Ave rises 3 stories over Kings. Public records put it at 6 units and 4,875 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $956K, and assessed for tax at $430K. In the 41 years its record reaches back, the lot has drawn 428 separate government filings.

The documentary life of the address leans hard toward complaint: 237 of its 428 records, fully 55%, fall under that one heading. Violation (112) and enforcement (20) trail well behind. 15 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 2011.

Read together — 55% complaint, 41 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$956K of Kings, written across 428 government filings.

Property Details

Address871 KNICKERBOCKER AVE, Brooklyn, NY 11207
Building TypeWalk-Up Apartment - Five to Six Families
C2
Year Built1906
Floors3
Total Units6
Building Area4,875 sqft
Lot Size2,500 sqft
ZoningR6
ConditionAverage
3034310003
3079573
OwnershipIndividually owned

Assessment & Sales

$956K
$430K
$5K
$6.2M
Last Sale DateApr 7, 2025

Building Permits

5 on record · 4 active
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Oct 31, 2019Est. cost $476KJob #320698367-01
Construction EquipmentDOB Legacy
ISSUED
Filed Dec 11, 2018Job #320698367-01-03
Construction EquipmentDOB Legacy
ISSUED
Filed Oct 16, 2018Job #320698367-01-02
Construction EquipmentDOB Legacy
ISSUED
Filed May 9, 2013Job #320698367-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Feb 26, 2013Job #320698367-1-1-hist

Violations

112 on record · 15 open
Open judgment balance — docketed OATH judgments$2,950
Judgments · 18 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2026Balance $300Ticket #049501510L
FAILURE TO CLEAN 18 INCHES INTO STREET
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2026Balance $300Ticket #049432484K
FAILURE TO CLEAN 18 INCHES INTO STREET
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2026Balance $300Ticket #049330922Y
FAILURE TO CLEAN 18 INCHES INTO STREET
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2025Balance $300Ticket #048791883X
DIRTY AREA
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 2025Balance $300Ticket #048834907Z
FAILURE TO CLEAN 18 INCHES INTO STREET

+ 13 more docketed judgmentsview full report

HPDClass C
NOV SENT OUT
Issued May 9, 2025#17885026

§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass C
NOV SENT OUT
Issued May 9, 2025#17885027

§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM BOILER ROOM DOOR LOCKED. AT 2nd BOILER ROOM FROM NORTH, 3rd STORY

View this violation's full details & status history →
HPDClass C
NOV SENT OUT
Issued May 5, 2025#17871418

§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE KITCHEN LOCATED AT APT 3F, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass C
NOV SENT OUT
Issued May 5, 2025#17871419

§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED DOOR AT EAST AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued May 30, 2024#17011268

§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 3B, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →

+ 107 more violations on record — view full report

Get the Complete Report for 871 KNICKERBOCKER AVE

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

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Frequently Asked Questions

When was 871 KNICKERBOCKER AVE, Brooklyn built?

The building at 871 KNICKERBOCKER AVE, Brooklyn, NY 11207 was constructed in 1906. It is classified as a walk-up apartment - five to six families with 3 floors and 6 units. The building area is 4,875 sqft.

Are there building permits at 871 KNICKERBOCKER AVE, Brooklyn?

Yes. 871 KNICKERBOCKER AVE, Brooklyn, NY 11207 has 5 building permits on record, with 4 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 2 (SIGNED OFF) filed Oct 31, 2019.

Does 871 KNICKERBOCKER AVE, Brooklyn have violations?

Yes. 871 KNICKERBOCKER AVE, Brooklyn, NY 11207 has 112 violations on record, with 15 currently open. Breakdown: 22 DOB, 1 ECB, 89 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 871 KNICKERBOCKER AVE, Brooklyn have docketed judgments?

Yes. 871 KNICKERBOCKER AVE, Brooklyn, NY 11207 has 18 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $2,950. 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 871 KNICKERBOCKER AVE?

871 KNICKERBOCKER AVE, Brooklyn, NY 11207 has an assessed market value of $956K and a total assessed value of $430K (land: $5K). Assessment data is from the NYC Department of Finance (DOF).

When was 871 KNICKERBOCKER AVE last sold?

871 KNICKERBOCKER AVE, Brooklyn, NY 11207 last sold for $6.2M on Apr 7, 2025. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 871 KNICKERBOCKER AVE?

871 KNICKERBOCKER AVE, Brooklyn, NY 11207 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 871 KNICKERBOCKER AVE?

871 KNICKERBOCKER AVE, Brooklyn, NY 11207 is individually 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 871 KNICKERBOCKER AVE?

Search 871 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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871 KNICKERBOCKER AVE, Brooklyn, NY 11207 — Property Records, Permits, Violations, Tax & Zoning | RegWatch