Building health · BROOKLYN, NY
built 1931 · 4 stories · 8 apartments
Also known as 818 Hart St, 820 Hart St — one building, several doors.
Registered with the city: DALAN MANAGEMENT · 40 other buildings here list it; 313 KNICKERBOCKER LLC; 313 KNICKERBOCKER, LLC
Last sold Nov 2025 for $2,675,000 · 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.
2026 Jun
Plumbing permit
DOB NOW: Build – Approved Permits
2026 May
Mechanical systems permit, General construction permit
2026 Apr
Heat or hot waterApt 4R
Housing Maintenance Code Complaints and Problems
2025 Dec
Heat or hot water
2025 Nov
Sold for $2,675,000
NYC Citywide Annualized Calendar Sales
2025 Nov
Walls, floors and stairs class A · closed
Housing Maintenance Code Violations
2025 Nov
Fire safety class B · closed
2025 Nov
Walls, floors and stairs class A · closed
2025 Nov
Walls, floors and stairs class A · closed
2025 Nov
Walls, floors and stairs class A · closed
2025 Nov
Fire safety class B · closed
2025 Nov
Walls, floors and stairs class A · closed
2025 Nov
Walls, floors and stairs class A · closed
2025 Nov
PestsApt 6
Housing Maintenance Code Complaints and Problems
2025 Nov
PestsApt 3
2025 Nov
PestsApt 2
2025 Nov
PestsApt 1
2025 Nov
MoldApt 3 class B · closed
Housing Maintenance Code Violations
2025 Nov
Walls, floors and stairsApt 3 class A · closed
2025 Nov
Walls, floors and stairsApt 3 class A · closed
2025 Nov
Walls, floors and stairsApt 3 class B · closed
2025 Nov
Walls, floors and stairsApt 3 class B · closed
2025 Nov
PestsApt 3 class C · closed
2025 Nov
PestsApt 3 class C · closed
2025 Nov
MoldApt 3 class A · closed
2025 Nov
Floors or stairsApt 3
Housing Maintenance Code Complaints and Problems
2025 Nov
MoldApt 3
2025 Nov
Paint or plasterApt 3
2025 Oct
ElectricalApt 6
2025 Oct
Electrical, heat or hot water, pestsApt 6
2025 Oct
Walls, floors and stairsApt 3 class B · closed
Housing Maintenance Code Violations
2025 Oct
LeaksApt 3 class B · closed
2025 Oct
Other conditionsApt 3 class B · closed
2025 Oct
Walls, floors and stairsApt 3 class B · closed
2025 Oct
ElectricalApt 3 class B · closed
2025 Oct
Walls, floors and stairsApt 3 class C · closed
2025 Oct
PestsApt 3 class C · closed
2025 Oct
Other conditionsApt 3 class C · closed
2025 Oct
Walls, floors and stairsApt 3 class C · closed
2025 Oct
Floors or stairs, paint or plaster, plumbing, mold, pestsApt 3
Housing Maintenance Code Complaints and Problems
2025 Jun
PestsApt 2 class C
Housing Maintenance Code Violations
2025 May
PestsApt 2 class C
2025 May
General repairsApt 2
Housing Maintenance Code Complaints and Problems
2025 May
Appliances, floors or stairsApt 2
2025 Mar
General repairsApt 5
2025 Mar
Doors or windows, plumbingApt 5
2024 Oct
Electrical, plumbing, leaksApt 2
2024 Aug
Floors or stairs, plumbing, pestsApt 5
2024 Jul
Paint or plaster, moldApt 1
2024 Jul
AppliancesApt 3
2024 Jul
Doors or windows, general repairsApt 3
2024 Jul
Electrical, paint or plaster, plumbing, leaksApt 3
2024 Jul
Appliances, doors or windows, floors or stairs, general repairs, paint or plaster, mold, pestsApt 3
2024 Jul
MoldApt 1
2024 Jul
ElectricalApt 3
2024 Jul
ElectricalApt 3
2024 Jun
Floors or stairs, unsanitary conditionsApt 2
2024 May
Floors or stairs, mold, leaksApt 6
2024 Mar
Floors or stairs, general repairs, plumbingApt 5
2024 Mar
Doors or windows, electrical, general repairs, outside the building
2024 Mar
Electrical, plumbing, safety, mold, pestsApt 6
2024 Mar
Mold, pestsApt 3
2023 Dec
PestsApt 5 class C
Housing Maintenance Code Violations
2023 Dec
Floors or stairs, heat or hot water, paint or plaster, pestsApt 5
Housing Maintenance Code Complaints and Problems
2023 Nov
Appliances, doors or windows, floors or stairs, general repairs, paint or plasterApt 3
2023 Nov
Appliances, floors or stairs, general repairsApt 3
2023 Nov
Doors or windows, electrical, floors or stairs, heat or hot water, paint or plaster, leaksApt 6
2018 Aug
Latest accepted inspection Aug 2018, defects reported: no
DOB NOW: Safety Boiler
2018 Jul
Fire protection permit
DOB NOW: Build – Approved Permits
2018 Jun
Plumbing permit, General construction permit
2018 Jun
Heating/ventilation permit, Fire protection permit
2017 Nov
Plumbing permit
2017 Nov
Plumbing permit
2017 Aug
Latest boiler work permit 2017 (3 on record)
DOB Permit Issuance (BIS)
2016 Oct
Unknown class - 2 · never closed
DOB Violations
2016 Oct
Unknown class - 1 · never closed
2012 May
No active shed permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
2005 Nov
Boiler burning No. 2 oil (Weil Mclain Bl-580 WEIL MCLAIN BL-580), registration expired since Nov 2005
Clean Air Tracking System (boiler registrations)
1993 Aug
Local Law 62/91 - Boilers never closed
DOB Violations
1993 Aug
Local Law 62/91 - Boilers never closed
1931
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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