6720 21st Avenue

6720 21st Avenue in Bensonhurst, Brooklyn, has 17 open HPD violations, 1 of them class C, and its rent-stabilization status could not be verified, as of Oct 26, 2026. StreetSpy grade: C (65/100).

Multi-family walk-up · 4 units · Built 1931

StreetSpy grade: C (Fair, 65/100)

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

More open violations per unit than 8 in 10 Brooklyn buildings this size.

• Repairs: High (17 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 (No bedbug filing, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Expired Sep 1, 2019, records as of Oct 14, 2026

How the grade works

Housing code violations (HPD)

17 open violations: 1 class C (immediately hazardous), 0 class B, 9 class A, 7 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 22 on record. Oldest open violation issued 2021-04-06. Newest violation issued 2026-05-01.

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

• Class C: No heat / heating defect (hallway). POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM MISSING AT PUBLIC HALL, 1st STORY, issued 2023-04-19. HPD violation 15929647
• 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 2026-05-01. HPD violation 18854204
• 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 2025-06-06. HPD violation 17964614
• 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 2024-04-03. HPD violation 16814977
• Class A: Missing or broken smoke / CO detector. HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING., issued 2023-04-19. HPD violation 15929646
• Class A: Damaged plaster or paint (hallway). ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORY, issued 2023-04-19. HPD violation 15929645
• Class A: Gas defect (hallway). HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORY, issued 2023-04-19. HPD violation 15929648
• 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 2023-03-20. HPD violation 15809275

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: LIN, YU LIN. See the full portfolio.

HPD registration expired Sep 1, 2019 and had not been renewed as of Oct 14, 2026. Buildings with 3+ units must register with HPD every year.

Tax lot and city IDs

BBL 3055710042, HPD building ID 145299. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Bay Pkwy (N), 5 min walk
• 20 Av (N), 5 min walk
• 18 Av (N), 11 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.