843 Knickerbocker Avenue

843 Knickerbocker Avenue in Bushwick, Brooklyn, has 7 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: C (70/100).

Multi-family walk-up · 6 units · Built 1906

StreetSpy grade: C (Fair, 70/100)

• 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
• The owner has 2 buildings on record; 1 graded D or F.
• No housing complaints to 311 in the last 12 months.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

More open violations per unit than 6 in 10 Brooklyn buildings this size.

• Repairs: Medium (7 open, 1 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Medium (1 open DOB violation), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

7 open violations: 1 class C (immediately hazardous), 3 class B, 3 class A. 1 issued in the last 12 months. 21 on record. Oldest open violation issued 2008-01-28. Newest violation issued 2026-05-05.

HPD recorded no violation closed here in the last 12 months.

• Class C: Lead paint hazard, 2nd room from the east, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) WEST WALL IN THE 2nd ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2008-01-28. HPD violation 7119476
• Class B: Mice, throughout the apartment, 3rd floor. ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2008-01-28. HPD violation 7112860
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2008-01-28. HPD violation 7112861
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 3rd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2008-01-28. HPD violation 7112862
• Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2026-05-05. HPD violation 18880520
• Class A: Peeling paint or plaster, 3rd room from the east, 3rd floor. PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE KITCHEN , THE 3rd ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2008-01-28. HPD violation 7119477
• Class A: Peeling paint or plaster, bathroom, 3rd floor. PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL PEELING PAINT SURFACES IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3R), issued 2008-01-28. HPD violation 7119478

311 housing complaints

0 in the last 12 months, 0 in 5 years.

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: No bedbug filing on record for this year
• 2023: No bedbug filing on record for this year
• 2022: No bedbug filing on record for this year
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 4 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

No rent-stabilized units on the tax bill.

Owner and management

Owner: NELO ROJAS. This owner has 2 buildings on record, 1 graded D or F. See the full portfolio.

Last HPD registration Nov 25, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3034250003, HPD building ID 321454. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Wilson Av (L), 5 min walk
• Halsey St (L), 5 min walk
• Myrtle-Wyckoff Avs (M), 12 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.