3815 Sea Gate Avenue

3815 Sea Gate Avenue in Coney Island, Brooklyn, has 27 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: F (32/100).

Multi-family walk-up · 10 units · Built 1930

StreetSpy grade: F (Severe, 32/100)

• 3 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• Had 10 rent-stabilized units on the 2007 tax bill and none on the latest one; ask how the apartment left stabilization.

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

• Repairs: High (27 open, 3 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 (3 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)

27 open violations: 3 class C (immediately hazardous), 14 class B, 10 class A. 8 issued in the last 12 months. 111 on record. Oldest open violation issued 2003-08-27. Newest violation issued 2026-05-05.

0 closed in the last 90 days. Median 125 days from issue to close for the 1 violations closed in the last 12 months.

1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Self-closing door not working, 1st floor. , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE 1st ENTRANCE FROM NORTH LOCATED AT B-ROOM 9, 1st STORY, 1st B-ROOM FROM EAST AT SOUTH (apt 9), issued 2026-02-24. HPD violation 18662037
• Class C: Lighting defect, throughout the apartment, 1st floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF H0T WATER EXCEEDS THE MAXIMUM ALLOWABLE OPERATING TEMPERATURE OF 130F AT ALL FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 5, 1st STORY, 1st APARTMENT FROM NORTH AT EAST (apt 5), issued 2023-11-09. HPD violation 16360093
• Class C: Floor or stair defect, floor, bathroom, 1st floor. PROPERLY REPAIR THE BROKEN OR DEFECTIVE VINYL TILE AT FLOOR IN THE BATHROOM LOCATED AT APT REARAP, 1st STORY, 1st APARTMENT FROM NORTH AT EAST (apt REARAP), issued 2020-01-10. HPD violation 13540590
• Class B: Missing or broken smoke / CO detector, 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 MISSING LOCATED AT B-ROOM 9, 1st STORY, 1st B-ROOM FROM EAST AT SOUTH (apt 9), issued 2026-02-24. HPD violation 18662036
• Class B: Missing or broken smoke / CO detector, 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 MISSING LOCATED AT B-ROOM 9, 1st STORY, 1st B-ROOM FROM EAST AT SOUTH (apt 9), issued 2026-02-24. HPD violation 18662035
• Class B: Damaged plaster or paint, ceiling, 1st room from the north, 1st floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT B-ROOM 9, 1st STORY, 1st B-ROOM FROM EAST AT SOUTH (apt 9), issued 2026-02-24. HPD violation 18662034
• Class B: Plumbing defect, kitchen, 1st floor. REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTE LINE UNDER SINCK IN THE KITCHEN LOCATED AT APT 9, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 9), issued 2026-02-19. HPD violation 18634703
• Class B: Electrical defect, ceiling, kitchen, 1st floor. , 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT CEILING LIGHT IN THE KITCHEN LOCATED AT APT 9, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 9), issued 2026-02-19. HPD violation 18634705

311 housing complaints

7 in the last 12 months, 18 in 5 years. Most common: Paint/Plaster (3), Plumbing (3), Water Leak (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: No bedbug filing on record for this year
• 2024: Owner reported 0 infested units
• 2023: No bedbug filing on record for this year
• 2022: No bedbug filing on record for this year
• 2021: Owner reported 0 infested units

Buildings department (DOB)

3 open DOB violations, 2 of them Local Law violations issued before 2000. 3 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.

Rent-stabilized units on city tax bills: 0 in 2024, 10 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 3815 SEAGATE AVE INC. Head officer: SU ZHOU. Managing agent: TAISHAN CONSTRUCTION LLC. See the full portfolio.

Last HPD registration Oct 10, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3070270006, HPD building ID 368340. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Coney Island-Stillwell Av (D, F, N, Q), 25 min walk
• Bay 50 St (D), 29 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.