Brooklyn · Block 1948 · Lot 35 · 11238

350 Classon Avenue

5 floors · 30,238 sq ft · built 1948 · class O5 · owner of record: Child Development Support Corporation

13open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
189dto Energy and water benchmarking

Get an email when anything changes here

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

Compliance deadlines

RequirementDueStatus
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 68 days
Keep the report on file (not filed with DOB)
Energy and water benchmarking Likely applies
Local Law 84 · May 1 each year
What this is

Buildings over 25,000 sq ft (this lot shows 30,238 sq ft) report energy and water use for the prior calendar year through ENERGY STAR Portfolio Manager. The city's Covered Buildings List is the final word on which buildings must file. Agency page

May 1, 2027
in 189 days
Annual filing
Building emissions report Likely applies
Local Law 97 · May 1 each year (extensions available)
What this is

Covered buildings file an annual greenhouse gas emissions report certified by a registered design professional. Buildings over their emissions limit owe penalties, so it pays to check early. Agency page

May 1, 2027
in 189 days
Annual filing
Gas piping inspection (2029 cycle) Likely applies
Local Law 152 · During 2029
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 2 is on the 2029 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2029
in 1164 days
Next cycle year 2029

Open violations

ECB / OATH (0)

None open.

DOB (6)
IssuedViolationStatus
Mar 21, 2003LOCAL LAW 10/81 - ELEVATOR

#02107
DOB VIOLATION - ACTIVE
Feb 19, 2002LOCAL LAW 10/81 - ELEVATOR

#02605
DOB VIOLATION - ACTIVE
Mar 8, 2001LOCAL LAW 10/81 - ELEVATOR

#02261
DOB VIOLATION - ACTIVE
Jan 6, 1998LOCAL LAW 10/81 - ELEVATOR

#02025
DOB VIOLATION - ACTIVE
Jan 13, 1997LOCAL LAW 10/81 - ELEVATOR

#02785
DOB VIOLATION - ACTIVE
Jan 13, 1997LOCAL LAW 10/81 - ELEVATOR

#02806
DOB VIOLATION - ACTIVE
DOB NOW Safety (7)
IssuedViolationStatus
Sep 18, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle B (premises is in Community District 2)
Active
Sep 18, 2025Gas Piping - LL152 FTF-PL-PER
Cycle 1, Sub-cycle B (premises is in Community District 2)
Active
Mar 21, 2003Elevators LL1081
Active
Feb 19, 2002Elevators LL1081
Active
Mar 8, 2001Elevators LL1081
Active
Jan 6, 1998Elevators LL1081
Active
Jan 13, 1997Elevators LL1081
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 24, 2026, 3:38 PM ET. BBL 3019480035.

Look up another building