59 Gelston Avenue

59 Gelston Avenue in Bay Ridge, Brooklyn, has 38 open HPD violations, 16 of them class C, and 55 of 76 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: D (62/100).

Multi-family elevator · 76 units · Built 1960

StreetSpy grade: D (Poor, 62/100)

• 16 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 7 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 4 heat or hot water complaints to 311 in the last 12 months.
• 55 of 76 units are rent-stabilized; 74 on the 2007 tax bill.

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

• Repairs: High (38 open, 16 class C), records as of Oct 25, 2026
• Heat and hot water: 4 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
• Safety: Clear (No open DOB violations), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

38 open violations: 16 class C (immediately hazardous), 17 class B, 5 class A. 0 issued in the last 12 months. 131 on record. Oldest open violation issued 1991-01-15. Newest violation issued 2025-10-20.

0 closed in the last 90 days. Median 95 days from issue to close for the 8 violations closed in the last 12 months.

7 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2E, 2nd STORY, 4th APARTMENT FROM SOUTH AT WEST (apt 2E), issued 2025-05-08. HPD violation 17876139
• Class C: Roaches, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1J, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 1J), issued 2023-01-30. HPD violation 15687899
• Class C: Self-closing door not working (hallway). , 2007, 204.1 HMC CODE: ARRANGE AND MAKE SELF-CLOSING THE DOORS AT SOUTH ENTRANCE LEADS TO STAIRS AT PUBLIC HALL, 6th STORY, issued 2020-08-27. HPD violation 13786086
• Class C: Missing window guards, throughout the apartment, 2nd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 0; WG TO REPLACE = 0; WG TO REPAIR = 2; IN THE ENTIRE APARTMENT LOCATED AT APT 2J, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 2J), issued 2020-03-16. HPD violation 13650841
• Class C: Missing window guards, throughout the apartment, 2nd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 2; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 2J, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 2J), issued 2020-02-03. HPD violation 13571275
• Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2J, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 2J), issued 2019-11-20. HPD violation 13460800
• Class C: Missing window guards, throughout the apartment, 2nd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 2; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 2J, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 2J), issued 2019-11-20. HPD violation 13460801
• 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 SIGN MISSING ON WALL AT PUBLIC HALL, 1st STORY, issued 2018-02-28. HPD violation 12260606

311 housing complaints

4 in the last 12 months, 45 in 5 years. Most common: Heat/Hot Water (4).

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: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 4 infested, 0 treated, 0 re-infested

Buildings department (DOB)

No open DOB violations. 0 DOB violations on record. Check on DOB BIS.

Evictions and housing court

1 executed evictions in the last 3 years (5 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

55 of 76 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 55 in 2024, 74 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: MATTIOLI FAMILY LLC. Head officer: SALVATORE MATTIOLI. Managing agent: MATTIOLI FAMILY LLC. This owner has 8 buildings on record, 6 graded D or F. See the full portfolio.

Last HPD registration Jul 30, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3060680022, HPD building ID 299775. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 86 St (R), 5 min walk
• Bay Ridge-95 St (R), 6 min walk
• 77 St (R), 14 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.