Brooklyn · Block 1162 · Lot 57 · 11238

736 Classon Avenue

3 floors · 2 apartments · 3,700 sq ft · built 1930 · class S2 · owner of record: Nostrand Realty Holding Llc

8open violations
$6,880ECB/OATH penalties owed
1HPD class C (immediately hazardous)
69dto Gas piping inspection (2026 cycle)

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

Compliance deadlines

RequirementDueStatus
Gas piping inspection (2026 cycle) Likely applies
Local Law 152 · During 2026
What this is

Buildings with gas piping (except one- and two-family homes) need a periodic gas piping inspection by a licensed master plumber every four years. Community district 8 is on the 2026 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2026
in 69 days
Due this year
Annual parapet observation Check
Local Law 126 · By December 31 each year
What this is

If the building has a parapet facing a street, sidewalk or other public way, a competent person (such as a mason, engineer or architect) must observe it every year and the owner keeps the report for DOB on request. Detached one- and two-family homes are exempt. Agency page

Dec 31, 2026
in 69 days
Keep the report on file (not filed with DOB)
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 313 days
Required only if the owner doesn't live there

Open violations

ECB / OATH (2) · $6,880 owed
IssuedViolationHearingBalance
Mar 19, 2024Construction CLASS - 2
FAILURE TO COMPLY WITH THE COMMISSIONER'S ORDER CONTAINED IN SUMMONS#35441613Y ISSUED ON 1/19/2021,AND FAILURE TO FILE A CERTIFICATE OF CORRECTION PURSUANT TO 28-201.1 AND 1RCNY 102-01(D)(2).AN ACCEPTABLE CERTI
#37027047H
Jun 12, 2024
DEFAULT
$6,250
Jan 19, 2021Construction CLASS - 2
WORK W/O PERMIT. AT TIME OF INSPECTION OBSERVED: ON BLDG FACADE ALONG CLASSROOM AVENUE INSTALLED 3 COMPRESSORS & RELATED ELECTRICAL WIRING(REFREGERATOR & AC COMPRESSORS). NO PERMIT &/OR FILING FOUND ON DOB RECO
#35441613Y
Jun 2, 2021
STIPULATION/IN-VIO
$630
DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (6) · C 1 · B 5 · A 0
IssuedClassViolationCorrect by
Aug 6, 2009BApt 1 · SECTION 27-2005 ADMIN. CODE: REPLACE WITH NEW THE BROKEN OR DEFECTIVE GLASS UPPER AND LOWER SASHES IN THE BATHROOM LOCATED AT APT 1, 2nd STORYSep 10, 2009
Aug 6, 2009BApt 1 · SECTION 27-2005 ADMIN. CODE: PROPERLY SECURE THE LOOSE WASHBASIN IN THE BATHROOM LOCATED AT APT 1, 2nd STORYSep 10, 2009
Aug 6, 2009BApt 1 · SECTION 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC WALL AND FLOOR TILES IN THE BATHROOM LOCATED AT APT 1, 2nd STORYSep 10, 2009
Aug 6, 2009BApt 1 · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF VERMIN MICE AND ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 2nd STORYSep 10, 2009
Aug 6, 2009BApt 1 · SECTION 27-2005 ADMIN. CODE: REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN UNIFORM COLOR SOUTH WALL AT CLOSET IN THE KITCHEN LOCATED AT APT 1, 2nd STORYSep 10, 2009
Aug 6, 2009CSECTION 27-2005 ADMIN. CODE: REMOVE THE ILLEGAL FASTENING SLIDE BOLT CAPABLE OF BEING PADLOCK AT ENTRANCE DOOR TO BUILDING AT FRONT AREAWAYAug 12, 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 Oct 23, 2026, 7:23 AM ET. BBL 3011620057.

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