Brooklyn · Block 3008 · Lot 21 · 11237

90 Knickerbocker Avenue

class Z9 · owner of record: Cantos, Guido

4open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
—no dated deadlines found

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Compliance deadlines

We couldn't find building attributes for this lot, so no deadlines are listed.

Open violations

ECB / OATH (0)

None open.

DOB (2)
IssuedViolationStatus
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#37108
DOB VIOLATION - ACTIVE
Jun 1, 1993LOCAL LAW 62/91 - BOILERS

#26178
DOB VIOLATION - ACTIVE
DOB NOW Safety (2)
IssuedViolationStatus
Jan 8, 2026Gas Piping - LL152 FTF-PL-PER
Cycle 2, Sub-cycle A (premises is in Community District 1)
Active
Jun 1, 1993Boiler LL6291
Active
HPD (0)

None open.

Check the agency records

Always confirm on the city's own systems before acting: DOB BIS property profile · DOB NOW · HPD Online · Pay ECB/OATH penalties (CityPay)

City records as of Oct 22, 2026, 6:31 PM ET. BBL 3030080021.

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