121 Avenue I

121 Avenue I in Flatbush, Brooklyn, has 14 open HPD violations, 5 of them class C, and its rent-stabilization status could not be verified, as of Oct 26, 2026. StreetSpy grade: D (60/100).

One & two family · 2 units · Built 1905

StreetSpy grade: D (Poor, 60/100)

• 5 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• No housing complaints to 311 in the last 12 months.

• Repairs: High (14 open, 5 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (No bedbug filing, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Not on file, records as of Oct 28, 2026

How the grade works

Housing code violations (HPD)

14 open violations: 5 class C (immediately hazardous), 8 class B, 0 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 0 issued in the last 12 months. 16 on record. Oldest open violation issued 2020-01-16. Newest violation issued 2020-01-16. No new HPD violation has been issued here since 2020. Most of the open count is older violations that were never closed.

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

• Class C: No heat / heating defect, throughout the apartment, basement. , 2032 ADMIN.CODE: PROVIDE AN ADEQUATE SUPPLY OF HEAT FROM AN APPROVED CENTRAL HEATING SYSTEM OR AN APPROVED SYSTEM OF GAS OR ELECTRICAL HEATING IN GOOD OPERATING CONDITION FOR THE DWELLING UNIT IN THE ENTIRE APARTMENT LOCATED AT APT 1, SECTION ''BASEMENT'' (apt 1), issued 2020-01-16. HPD violation 13547681
• Class C: Roaches, throughout the apartment, basement. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1, SECTION ''BASEMENT'' (apt 1), issued 2020-01-16. HPD violation 13547706
• Class C: Rats, throughout the apartment, basement. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF RODENTS ( RATS ) IN THE ENTIRE APARTMENT LOCATED AT APT 1, SECTION ''BASEMENT'' (apt 1), issued 2020-01-16. HPD violation 13547707
• Class C: No hot water, throughout the apartment, basement. ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1, SECTION ''BASEMENT'' (apt 1), issued 2020-01-16. HPD violation 13547692
• Class C: Door, lock or intercom defect, basement. ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE DOOR EXITING TO THE REAR YARD LOCATED AT APT 1, SECTION ''BASEMENT'' (apt 1), issued 2020-01-16. HPD violation 13547728
• Class B: No heat / heating defect (basement). , 2011, 2012 ADMIN. CODE: REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE BOILER ROOM , SECTION ''BASEMENT'', issued 2020-01-16. HPD violation 13547731
• Class B: No heat / heating defect (basement). ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF AN EXCESSIVE AMOUNT OF EXTENTION CORDS AT THE BOILER ROOM , SECTION ''BASEMENT'', issued 2020-01-16. HPD violation 13547732
• Class B: ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF AN EXCESSIVE AMOUNT OF EXTENTION CORDS AT THE PUBLIC HALL , SECTION ''BASEMENT'', issued 2020-01-16. HPD violation 13547733

311 housing complaints

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

Bedbugs

No bedbug filing on record for the last 3 years. 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: No bedbug filing on record for this year
• 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)

No open DOB violations. 0 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

Stabilization status could not be verified.

Owner and management

Owner: GABRIEL KATZ. See the full portfolio.

Tax lot and city IDs

BBL 3065040026, HPD building ID 188125. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Avenue I (F), 2 min walk
• 18 Av (F), 5 min walk
• Bay Pkwy (F), 8 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 Dept. of City Planning PLUTO (tax-roll owner). Methodology. Report generated 2026-10-28.