Building health · BROOKLYN, NY
built 1920 · 3 stories · 3 apartments
Registered with the city: 642 Classon Avenue LLC; 642 CLASSON AVE LLC
Last sold Apr 2025 for $1,550,000 · NYC Department of Finance
The building’s record over time
Filings, permits, complaints and violations from city records, newest first. Highlighted rows are unresolved and from the last year; older unresolved records are marked “never closed”. Tap any row to read it on the agency’s own site.
2027 Jan
No active shed permit; permits since Jul 2026, last expired Jan 2027
DOB NOW: Build – Approved Permits
2026 Oct
Mechanical systems permit
2026 Oct
Structural permit
2026 Oct
Support of excavation permit
2026 Oct
Foundation permit, Earth work permit
2026 Oct
Sprinklers permit
2026 Aug
Plumbing permit
2026 Jul
Construction fence permit
2026 Jul
General construction permit
2026 Jun
Construction
DOB Violations
2026 May
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2025 Oct
PL-PER Gas Piping - LL152
DOB Violations
2025 Jun
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2025 Apr
Sold for $1,550,000
NYC Citywide Annualized Calendar Sales
2024 Apr
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2021 Nov
Sold for $1,550,000
NYC Citywide Annualized Calendar Sales
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1920
Built
PLUTO (tax lot data)
Dates are the city's record dates, shown to the month.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
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Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.