Building health · BROOKLYN, NY

231 20 St

built 1933 · 5 stories · 6 apartments on its tax lot
Registered with the city: PERPETUAL COMPANY LLC

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.
2026 Mar
1 active elevator; latest periodic inspection Mar 2026
DOB NOW Elevator Safety Compliance
2025 Sep
PL-PER Gas Piping - LL152
DOB Violations
2023 Aug
Sprinklers permit
DOB NOW: Build – Approved Permits
2023 Jul
Plumbing permit, Alteration permit, Construction fence permit
2021 Sep
No active shed permit; permits since Sep 2020, last expired Sep 2021
2020 Mar
General construction permit
2016 May
Construction class - 1 · never closed
DOB Violations
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1933
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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