100 Dupont Street

100 Dupont Street in Greenpoint, Brooklyn, has 26 open HPD violations, 3 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (60/100).

Multi-family elevator · 47 units · Built 1919

StreetSpy grade: D (Poor, 60/100)

• 3 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 10 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 5 in 10 Brooklyn buildings this size.

• Repairs: High (26 open, 3 class C), records as of Oct 26, 2026
• Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (No open DOB violations), 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)

26 open violations: 3 class C (immediately hazardous), 17 class B, 6 class A. 11 issued in the last 12 months. 60 on record. Oldest open violation issued 2017-12-15. Newest violation issued 2026-08-24.

1 closed in the last 90 days. Median 1,685 days from issue to close for the 5 violations closed in the last 12 months.

2 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: No heat / heating defect (boiler room). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM NO ACCESS TO BOILER ROOM. AT BOILER ROOM, 1st STORY, issued 2026-08-24. HPD violation 19148626
• 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 INCORRECT INFORMATION AT PUBLIC HALL, 1st STORY, issued 2026-08-24. HPD violation 19148631
• Class C: Door, lock or intercom defect (entrance). , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING UNACCEPTABLE ELECTROMAGNETIC LOCKING DEVICE INSTALLED AT FRONT ENTRANCE DOOR TO BUILDING, issued 2018-04-16. HPD violation 12335837
• Class B: Broken window or sash, 1st room from the north, 1st floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH IN THE 1st ROOM FROM NORTH LOCATED AT APT 1H LOWER LEVEL, 1st STORY, 6th APARTMENT FROM EAST AT SOUTH (apt 1H), issued 2026-08-24. HPD violation 19148627
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 1st floor. (B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES EXCEEDING HEIGHT REQUIREMENT IN THE ENTIRE APARTMENT LOCATED AT APT 1H, 1st STORY, 6th APARTMENT FROM EAST AT SOUTH (apt 1H), issued 2026-08-24. HPD violation 19148629
• Class B: Damaged plaster or paint, window on the south wall, 2nd room from the north, 1st floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH AT 1ST AND 3RD WINDOW AT SOUTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 1H LOWER LEVEL, 1st STORY, 6th APARTMENT FROM EAST AT SOUTH (apt 1H), issued 2026-08-24. HPD violation 19148628
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 1st floor. (B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS EXCEEDING HEIGHT REQUIREMENT IN THE ENTIRE APARTMENT LOCATED AT APT 1H, 1st STORY, 6th APARTMENT FROM EAST AT SOUTH (apt 1H), issued 2026-08-24. HPD violation 19148630
• Class B: Fire escape defect. , 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES HOUSEHOLD ITEMS AT FIRE ESCAPE, issued 2026-08-24. HPD violation 19148624

311 housing complaints

10 in the last 12 months, 34 in 5 years. Most common: Unsanitary Condition (6), Door/Window (2), Heat/Hot Water (1), Paint/Plaster (1).

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 0 infested units

Buildings department (DOB)

No open DOB violations. 2 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (2 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

No rent-stabilized units on the tax bill.

Owner and management

Owner: Hundred Crowns LLC. Head officer: Mordechai Landau. Managing agent: Mordechai Landau. This owner has 2 buildings on record, 1 graded D or F. See the full portfolio.

Last HPD registration Jun 18, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3024950030, HPD building ID 235088. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Greenpoint Av (G), 6 min walk
• Vernon Blvd-Jackson Av (7), 10 min walk
• Hunters Point Av (7), 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.