434 Classon Avenue

434 Classon Avenue in Clinton Hill, Brooklyn, has 8 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Multi-family walk-up · 3 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).
• 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• No 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 7 in 10 Brooklyn buildings this size.

• Repairs: High (8 open, 2 class C), records as of Oct 26, 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 28, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Expired Sep 30, 2024, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

8 open violations: 2 class C (immediately hazardous), 6 class B, 0 class A. 1 issued in the last 12 months. 19 on record. Oldest open violation issued 2009-10-01. Newest violation issued 2026-05-04.

7 closed in the last 90 days. Median 891 days from issue to close for the 7 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: Electrical defect. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF NO ELECTRICAL SERVICE PROVIDED TO 1 STY WEST APT 3 ER1 , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233309
• Class C: Gas defect, kitchen. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES KITCHEN 1 STY WEST APT 3 ER1 , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233308
• Class B: Floor or stair defect, bathroom. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF SAGGING CEMENT TILE FLOOR BATHROOM 1 STY APT 3. , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233316
• Class B: Missing or broken smoke / CO detector. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING 1 STY WEST APT 3 RIFFIN , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233310
• Class B: Leak or water damage, kitchen. REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS SINK KITCHEN 1 STY WEST APT 3 , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233311
• Class B: Damaged plaster or paint, kitchen. REPLACE WITH NEW THE MISSING FUSEBOX COVER WALL KITCHEN 1 STY APT 3. , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233313
• Class B: Plumbing defect, kitchen. REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE SINK KITCHEN 1 STY APT 3. , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233314
• Class B: Missing or broken smoke / CO detector. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING 1 STY APT 3. , SECTION '' '' (apt 3), issued 2009-10-01. HPD violation 1233315

311 housing complaints

0 in the last 12 months, 3 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: Owner reported 0 infested units

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: DOELCM RELATY CORP. Head officer: ANDREA LINGSTUYL. Managing agent: ELLIOT CROCKAM. See the full portfolio.

Last HPD registration Nov 1, 2023. HPD registration expired Sep 30, 2024 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 3019840040, HPD building ID 221625. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Classon Av (G), 5 min walk
• Franklin Av (C), 6 min walk
• Clinton-Washington Avs (C), 7 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.