640 Classon Avenue

640 Classon Avenue in Crown Heights, Brooklyn, has 14 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: D (55/100).

Mixed residential & commercial · 2 units · Built 1930

StreetSpy grade: D (Poor, 55/100)

• 1 immediately hazardous violation 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.

• Repairs: High (14 open, 1 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: Expired Sep 1, 2025, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

14 open violations: 1 class C (immediately hazardous), 5 class B, 6 class A, 2 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 24 on record. Oldest open violation issued 1961-07-19. Newest violation issued 2026-05-04.

HPD recorded no violation closed here 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: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM BOILER ROOM DOOR LOCKED AT BOILER ROOM, BASEMENT, issued 2004-12-20. HPD violation 5249398
• Class B: Lighting defect (entrance). PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 100 WATTS MINIMUM REQUIRED, LIGHT FIXTURE PRESENT, issued 2014-12-04. HPD violation 10464703
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES. IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY (apt 2), issued 2004-12-20. HPD violation 5249407
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2), issued 2003-11-17. HPD violation 4767408
• Class B: Gas defect, kitchen, 2nd floor. PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES , IN THE KITCHEN LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2), issued 2003-11-17. HPD violation 4767420
• Class B: Door, lock or intercom defect, 2nd floor. REPLACE WITH NEW THE MISSING DOOR KNOB IN THE ENTRANCE LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 2), issued 2003-11-17. HPD violation 4767406
• Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2026-05-04. HPD violation 18873489
• Class A: Bedbugs. (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS., issued 2025-06-09. HPD violation 17988676

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. 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: Thomas Betterton. Managing agent: Thomas Betterton. See the full portfolio.

Last HPD registration Aug 13, 2024. HPD registration expired Sep 1, 2025 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 3011410046, HPD building ID 221734. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Park Pl (S), 5 min walk
• Franklin Av (S), 5 min walk
• Franklin Av (C), 5 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.