684 St Marks Avenue

684 St Marks Avenue in Crown Heights, Brooklyn, has 51 open HPD violations, 7 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (35/100).

Multi-family walk-up · 6 units · Built 1931

StreetSpy grade: F (Severe, 35/100)

• 7 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 6 heat or hot water 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 9 in 10 Brooklyn buildings this size.

• Repairs: High (51 open, 7 class C), records as of Oct 26, 2026
• Heat and hot water: 6 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, 2022, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

51 open violations: 7 class C (immediately hazardous), 30 class B, 10 class A, 4 class I (HPD orders such as lead paint or heat orders, not a hazard class). 20 issued in the last 12 months. 59 on record. Oldest open violation issued 2007-08-21. Newest violation issued 2026-07-09.

2 closed in the last 90 days. Median 138 days from issue to close for the 2 violations closed in the last 12 months.

6 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: Self-closing door not working (entrance). , 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 AT VESTIBULE DOOR , 1st STORY, issued 2026-07-09. HPD violation 19058759
• Class C: Broken window or sash, 1st room from the east, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH WINDOW AT FIRST WINDOW FROM EAST AT SOUTH IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 3, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3), issued 2026-06-29. HPD violation 19020589
• Class C: Self-closing door not working, 2nd 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 ENTRANCE LOCATED AT APT 3, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3), issued 2026-06-15. HPD violation 18999333
• Class C: Electrical defect (hallway). , 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT CEILINGS ALL STORIES AT PUBLIC HALL, issued 2026-03-31. HPD violation 18742658
• Class C: Plumbing defect, bathroom, 3rd floor. REMOVE ALL OBSTRUCTIONS AND REPAIR ALL DEFECTS IN THE BATHTUB, IN THE BATHROOM LOCATED AT APT 3F, 3rd STORY (apt 3F), issued 2009-06-10. HPD violation 7905917
• Class C: Door, lock or intercom defect, 3rd floor. SECTION 27-2005, 2007 ADM CODE REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK AT DOOR IN THE ENTRANCE LOCATED AT APT 3F, 3rd STORY, APARTMENT AT NORTH (apt 3F), issued 2007-08-21. HPD violation 4958401
• Class C: Leak or water damage, 1st room from the east, 3rd floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK OVER CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 3F, 3rd STORY, APARTMENT AT NORTH (apt 3F), issued 2007-08-21. HPD violation 4958395
• Class B: Broken window or sash, 1st window from the east, 3rd room from the north, 2nd floor. HMC: REFIT 1ST WINDOW FROM EAST AT SOUTH IN THE 3rd ROOM FROM NORTH LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2), issued 2026-07-09. HPD violation 19058757

311 housing complaints

18 in the last 12 months, 23 in 5 years. Most common: Heat/Hot Water (6), Door/Window (5), Plumbing (3), Water Leak (3), Paint/Plaster (1).

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

No rent-stabilized units on the tax bill.

Owner and management

Owner: EFFIE GADSDEN LIVING TRUST. Head officer: CARRIE GADSDEN. Managing agent: CARRIE GADSDEN. See the full portfolio.

Last HPD registration Mar 16, 2022. HPD registration expired Sep 1, 2022 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.

Tax lot and city IDs

BBL 3012260031, HPD building ID 374963. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Park Pl (S), 7 min walk
• Nostrand Av (3), 7 min walk
• Nostrand Av (A, C), 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 HPD Property Registration. Methodology. Report generated 2026-10-28.