Building health · BROOKLYN, NY
built 1921 · 4 stories · 31 apartments
Also known as 8101 20 Ave — one building, several doors.
Registered with the city: 8101-09 20TH AVE REALTY LLC; 8101-09 20TH AVENUE REALTY 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 Sep
EN-BENCH Benchmarking - LL84
DOB Violations
2026 Sep
EN-LL97321 GHG Emissions - LL97
2026 May
Pests class A · paperwork
Housing Maintenance Code Violations
2026 Mar
EN-EGRDEA Energy Grade - LL33
DOB Violations
2026 Feb
Latest accepted inspection Feb 2026, defects reported: no
DOB NOW: Safety Boiler
2026 Jan
Heat or hot water
Housing Maintenance Code Complaints and Problems
2026 Jan
Heat or hot water
2026 Jan
Heat or hot waterApt C2
2026 Jan
Heat or hot waterApt B1
2025 Dec
EN-LL97321 GHG Emissions - LL97
DOB Violations
2025 Dec
Heat or hot water
Housing Maintenance Code Complaints and Problems
2025 Jun
Pests class A · paperwork
Housing Maintenance Code Violations
2024 Jan
Boiler burning natural gas (H.B. Smith 28A-S-7), registration current since Jan 2024
Clean Air Tracking System (boiler registrations)
2023 Nov
Other conditions class I · paperwork · closed
Housing Maintenance Code Violations
2022 Jan
Doors and windowsApt D6 class A
2019 Aug
Other conditionsApt 3C class C · paperwork
2017 Mar
Smoke or CO detectorsApt B8 class B
2017 Mar
Smoke or CO detectorsApt B8 class B
2016 Aug
Fire safetyApt A6 class B · never closed
2012 Dec
Plumbing permit, Fuel burning permit
DOB NOW: Build – Approved Permits
2010 Nov
Latest boiler work permit 2010
DOB Permit Issuance (BIS)
2010 Nov
Fuel burning permit, Boiler permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2005 Aug
Walls, floors and stairsApt B5 class B · never closed
Housing Maintenance Code Violations
2005 Aug
Smoke or CO detectorsApt B5 class B · never closed
2005 Aug
Other conditionsApt B5 class B · never closed
1921
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.