Brooklyn · Block 1418 · Lot 65 · 11213

891 Montgomery Street

2 floors · 2 apartments · 3,248 sq ft · built 1920 · class B1 · owner of record: Kupfer, Yakov

3open violations
$0ECB/OATH penalties owed
3HPD class C (immediately hazardous)
300dto Annual property registration

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New violations the morning after they're issued, plus deadline reminders. Free for one building.

Compliance deadlines

RequirementDueStatus
Annual property registration Check
HPD registration · September 1 each year
What this is

Residential buildings with three or more units, and one- and two-family homes the owner doesn't occupy, register with HPD every year ($13 fee). An unregistered building can't start a nonpayment case in Housing Court and faces civil penalties. Agency page

Sep 1, 2027
in 300 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (0)

None open.

DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (3) · C 3 · B 0 · A 0
IssuedClassViolationCorrect by
Aug 18, 2009CApt 2 · SECTION 27-2005 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF NO ELECTRIC SUPPLY IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 2nd APARTMENT FROM EAST AT SOUTHAug 24, 2009
Aug 18, 2009CSECTION 27-2005 ADMIN. CODE: REMOVE THE ILLEGAL FASTENING DOUBLE CYLINDER KEY OPERATED LOCK INSTALLED AT ENTRANCE DOOR TO BOILDING AT FRONT AREAWAYAug 24, 2009
Aug 18, 2009CApt 2FL · SECTION 27-2031 ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2FL, 2nd STORYAug 24, 2009

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 Nov 5, 2026, 4:53 PM ET. BBL 3014180065.

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