Building health · BROOKLYN, NY

154 Knickerbocker Ave

built 1931 · 3 stories · 5 apartments
Registered with the city: 154 JJGSI LLC.; 154 JJGSI LLC
Ownership transferred Feb 2023, no sale price · 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.
2025 Oct
PL-PER Gas Piping - LL152
DOB Violations
2024 Apr
Pests class A · paperwork · closed
Housing Maintenance Code Violations
2023 Nov
Other conditions class I · paperwork · closed
2023 Feb
Ownership transferred, no sale price
NYC Citywide Annualized Calendar Sales
2020 Dec
No active shed permit; permits since Aug 2020, last expired Dec 2020
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2006 Aug
Plumbing permit, Alteration permit
DOB NOW: Build – Approved Permits
2002 Mar
General construction permit
1931
Built
PLUTO (tax lot data)
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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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