259 20th Street

259 20th Street in Sunset Park, Brooklyn, has 18 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: D (55/100).

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

StreetSpy grade: D (Poor, 55/100)

• 2 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 3 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The owner has 5 buildings on record; 5 graded D or F.

More open violations per unit than 7 in 10 Brooklyn buildings this size.

• Repairs: High (18 open, 2 class C), records as of Oct 25, 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 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)

18 open violations: 2 class C (immediately hazardous), 5 class B, 11 class A. 2 issued in the last 12 months. 25 on record. Oldest open violation issued 2007-08-13. Newest violation issued 2026-06-04.

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

3 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: Damaged plaster or paint (basement). MAKE SAFE BY PROPERLY REPAIRING THE STRUCTURAL DEFECT ROTTEN WOOD SUPPORT BEAM 1ST FROM EAST WALL CELLAR REAR, issued 2008-04-17. HPD violation 7243442
• Class C: Damaged plaster or paint (basement). MAKE SAFE BY PROPERLY REPAIRING THE STRUCTURAL DEFECT ERODED WOOD SUPPORT BEAN 1 STY FROM WEST WALL CELLAR REAR DOB 3072356, issued 2007-08-13. HPD violation 1010557
• Class B: Missing or broken smoke / CO detector, 3rd floor. HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 3R), issued 2018-10-17. HPD violation 12666732
• Class B: Missing or broken smoke / CO detector, 3rd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 3R), issued 2018-10-17. HPD violation 12666727
• Class B: Garbage not removed (exterior). PROVIDE SUFFICIENT, PROPER AND SEPARATE METAL RECEPTACLES FOR THE DEPOSIT OF GARBAGE, RUBBISH AND OTHER WASTE MATERIAL AND ARRANGE FOR COLLECTION AND DISPOSAL OF SUCH MATERIAL. YARD, issued 2017-12-04. HPD violation 12118660
• Class B: Garbage not removed (hallway). SECTION 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF BUILDING MATERIAL AND RUBBISH 3 STY PUBLIC HALL, issued 2007-08-13. HPD violation 3344361
• Class B: Damaged plaster or paint (basement). PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE SHEETROCK CEILING CELLAR THRU OUT, issued 2007-08-13. HPD violation 1010569
• Class A: Floor or stair defect (hallway). , M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALL, 1st STORY, issued 2026-06-04. HPD violation 18974669

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. 2 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: JON L WONG. Head officer: JON WONG. Managing agent: JLW PROPERTIES MANAGEMENT. This owner has 5 buildings on record, 5 graded D or F. See the full portfolio.

Last HPD registration Sep 9, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3008850068, HPD building ID 145031. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Prospect Av (R), 5 min walk
• 25 St (R), 7 min walk
• 4 Av-9 St (F, G), 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.