Building health · BROOKLYN, NY

305 Classon Ave

built 1905 · 4 stories · 6 apartments
Also known as 431 Dekalb Ave, 431 Dekalb Ave — one building, several doors.
Registered with the city: Williamsburg Property Management LLC · 5 other buildings here list it; YEH GROUP 431 DEKALB AVE LLC
Last sold Jan 2022 for $1,825,000 · 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 Oct
Fire safety class C
Housing Maintenance Code Violations
2026 Oct
Electrical, leaksApt 2L
Housing Maintenance Code Complaints and Problems
2026 May
Latest accepted inspection May 2026, defects reported: no
DOB NOW: Safety Boiler
2025 Dec
BE-EXT-LP Boiler
DOB Violations
2025 Jun
LeaksApt 2L
Housing Maintenance Code Complaints and Problems
2025 May
Doors and windowsApt 2L class B · closed
Housing Maintenance Code Violations
2025 May
PestsApt 2L class C · closed
2025 Feb
Electrical, heat or hot water, plumbingApt 1R
Housing Maintenance Code Complaints and Problems
2024 Oct
Doors and windowsApt 2L class B · closed
Housing Maintenance Code Violations
2024 Oct
Fire safetyApt 2L class C · closed
2024 Oct
LeaksApt 2L class B · closed
2024 Oct
GasApt 2L class C · closed
2024 Oct
LeaksApt 2L class B · closed
2024 Oct
GasApt 2L class B · closed
2024 Oct
AppliancesApt 2L
Housing Maintenance Code Complaints and Problems
2024 Oct
Appliances, leaksApt 2L
2024 Aug
LeaksApt 2L class B · closed
Housing Maintenance Code Violations
2024 Aug
GasApt 2L class C · closed
2024 Aug
Appliances, leaksApt 2L
Housing Maintenance Code Complaints and Problems
2024 Jun
Appliances, leaksApt 2L
2024 Apr
AppliancesApt 2L
2024 Mar
Fire safety class C · closed
Housing Maintenance Code Violations
2024 Mar
Fire safety class C · closed
2024 Mar
PestsApt 2R class C · closed
2023 Nov
Structural permit, General construction permit, Foundation permit
DOB NOW: Build – Approved Permits
2023 Nov
General construction permit
2023 Nov
Smoke or CO detectorsApt 2L class B · closed
Housing Maintenance Code Violations
2023 Nov
Smoke or CO detectorsApt 2L class B · closed
2023 Nov
Heat or hot water class C · closed
2023 Nov
Heat or hot waterApt 2L class C · closed
2023 Nov
Electrical class A · closed
2023 Nov
Fire safetyApt 4L class C · closed
2023 Nov
PestsApt 4L class C · closed
2023 Nov
Heat or hot waterApt 2L
Housing Maintenance Code Complaints and Problems
2023 Nov
Heat or hot waterApt 4L
2023 Nov
LeaksApt 2L
2023 Nov
Heat or hot water class C · closed
Housing Maintenance Code Violations
2023 Nov
Heat or hot waterApt 3L class C · closed
2023 Nov
Rubbish and cleanliness class B · closed
2023 Nov
Mechanical systems permit
DOB NOW: Build – Approved Permits
2023 Nov
Heat or hot waterApt 4L
Housing Maintenance Code Complaints and Problems
2023 Nov
Heat or hot waterApt 2L
2023 Nov
Heat or hot waterApt 2R class C · closed
Housing Maintenance Code Violations
2023 Nov
Heat or hot water class C · closed
2023 Nov
Heat or hot waterApt 2R
Housing Maintenance Code Complaints and Problems
2023 Jul
No active shed permit; permits since Jan 2023, last expired Jul 2023
DOB NOW: Build – Approved Permits
2023 Jan
Supported scaffold permit
2022 Jan
Sold for $1,825,000
NYC Citywide Annualized Calendar Sales
2007 Dec
Plumbing permit, General construction permit
DOB NOW: Build – Approved Permits
2007 Sep
Outside FEMA's 1% annual-chance flood zone: X
FEMA National Flood Hazard Layer
1905
Built
PLUTO (tax lot data)
See all records and sources
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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