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835 Knickerbocker Avenue

Brooklyn, NY 11207BBL 3-03425-0007Map

Owner of record: Guzman, Rafael

835 Knickerbocker Avenue is a two-family home built in 1931 in Brooklyn, 11207. It has 2 residential units across 2 floors. The owner of record is Guzman, Rafael. HPD has recorded 30 housing violations here, most recently on March 11, 2026. 25 of the 30 most recent violations are still open.

HPD violations
30
DOB violations
0
ECB violations
0
HPD complaints
19

What to know

Concern
1 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Mar 11, 2026

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 30

  • B

    Trace and repair the source and abate the visible mold condition... less than 10 square feet at window frame in the 1st room from north at east located at apt 2, 2nd story, 1st apartment from north at east original violation 18703385 issued 11-mar-26 has been upgraded to class b per administrative code 27-2017.3a(3)(a) or (b).

    Mar 11, 2026 · Apt 2

    Open — Notice of issuance sent to tenant
  • A

    Trace and repair the source and abate the visible mold condition... greater than 30 square feet at north wall at public hall, 2nd story

    Mar 11, 2026

    Closed — Violation closed
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at ceiling and north wall at public hall, 2nd story

    Mar 11, 2026

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak over ceiling in the kitchen located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color the ceiling and all walls in the kitchen located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective wood floor in the kitchen located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Trace and repair the source and abate the visible mold condition... greater than 10 square feet at ceiling in the bathroom located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — First no access to re- inspect violation
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at ceiling and all walls in the bathroom located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Repair the roof so that it will not leak over ceiling in the 3rd room from east located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at ceiling and all walls in the 3rd room from east located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
Show 20 more ↓
  • B

    Properly repair or replace the broken or defective door in the 3rd room from east located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective electrical outlet at north wall east wall and west wall in the 3rd room from east located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at ceiling and all walls in the 2nd room from north at west located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Properly repair with similar material the broken or defective wood floor in the 1st room from north at east located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • B

    Properly repair or replace the broken or defective counter balance at upper and lower window sashes in the 1st room from north at east located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 square feet at window frame in the 1st room from north at east located at apt 2, 2nd story, 1st apartment from north at east

    Mar 11, 2026 · Apt 2

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... greater than 30 square feet at north wall at public hall, 2nd story original violation 18703371 issued 11-mar-26 has been upgraded to class b per administrative code 27-2017.3a(3)(a) or (b).

    Mar 11, 2026

    Open — Nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Feb 20, 2026

    Open — Info nov sent out
  • C

    Repair the roof so that it will not leak above ceiling in the kitchen located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Closed — Violation closed
  • C

    Trace and repair the source and abate the visible mold condition... greater than 20 sq ft at ceiling and west wall in the bathroom located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Closed — Violation closed
  • B

    Trace and repair the source and abate the visible mold condition... less than 10 sq ft at ceiling in the 1st room from north located at apt 2, 2nd story, 1st apartment from west at north original violation 18654643 issued 18-feb-26 has been upgraded to class b per administrative code 27-2017.3a(3)(a) or (b).

    Feb 18, 2026 · Apt 2

    Open — Notice of issuance sent to tenant
  • B

    Abate the infestation consisting of mice in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Open — Nov sent out
  • B

    Abate the infestation consisting of roaches in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Open — Nov sent out
  • B

    Repair the broken or defective plastered surfaces and paint in uniform color at ceiling in the kitchen located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Open — Nov sent out
  • B

    Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Open — Nov sent out
  • A

    Trace and repair the source and abate the visible mold condition... less than 10 sq ft at ceiling in the 1st room from north located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Closed — Violation closed
  • C

    Properly repair or replace the broken or defective radiator air valve leaking steam at riser in the 1st room from north located at apt 2, 2nd story, 1st apartment from west at north

    Feb 18, 2026 · Apt 2

    Open — Nov sent out
  • B

    Replace with new the broken or defective glass front entrance door to building.

    Nov 4, 2004

    Open — Nov sent out
  • A

    Replace with new the missing knobs of front entrance door to building.

    Nov 4, 2004

    Open — Nov sent out
  • B

    Provide temporary sealing of entrance door to building at front and rear.

    Nov 4, 2004

    Open — Nov sent out

DOB building violations · 0

No DOB violations on record

ECB violations · 0

No ECB violations on record

Complaints

  • Water leak

    Slow leak

    Aug 5, 2026 · Apt 2NDFLO

    Close
  • Unsanitary condition

    Pests

    Aug 5, 2026 · Apt 2NDFLO

    Close
  • Unsanitary condition

    Pests

    Aug 5, 2026 · Apt 2NDFLO

    Close
  • Unsanitary condition

    Pests

    Aug 5, 2026 · Apt 2NDFLO

    Close
  • Unsanitary condition

    Pests

    Aug 5, 2026 · Apt 2NDFLO

    Close
  • Unsanitary condition

    Pests

    Dec 2, 2025 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Dec 2, 2025 · Apt 2

    Close
  • Unsanitary condition

    Mold

    Dec 2, 2025 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Dec 2, 2025 · Apt 2

    Close
  • Paint/plaster

    Wall

    Dec 2, 2025 · Apt 2

    Close
Show 9 more ↓
  • Water leak

    Slow leak

    Dec 2, 2025 · Apt 2

    Close
  • Flooring/stairs

    Floor

    Dec 2, 2025 · Apt 2

    Close
  • Safety

    Smoke detector

    Dec 2, 2025 · Apt 2

    Close
  • Safety

    Carbon monoxide detector

    Dec 2, 2025 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Dec 2, 2025 · Apt 2

    Close
  • Unsanitary condition

    Pests

    Dec 2, 2025 · Apt 2

    Close
  • Electric

    Outlet/switch

    Dec 2, 2025 · Apt 2

    Close
  • Unsanitary condition

    Mold

    Dec 2, 2025 · Apt 2

    Close
  • Electric

    Power outage

    Aug 17, 2016 · Apt 1

    Close

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Two-family home (B9)
Year built
1931
Floors
2
Residential units
2
Building area
1,826 ft²
Lot area
1,576 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3425 / 7
Assessed value
$82,200
Landmark / historic district
No

Questions about 835 Knickerbocker Avenue

Who owns 835 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Guzman, Rafael.

Does 835 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 30 housing violations at this property.

Is 835 Knickerbocker Avenue rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 835 Knickerbocker Avenue built?

City records list 1931 as the year it was built.

How many apartments are in 835 Knickerbocker Avenue?

It has 2 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.