Brooklyn · Block 1928 · Lot 74 · 11205

521 Dekalb Avenue

3 floors · 2 apartments · 2,520 sq ft · built 1955 · class S2 · owner of record: Gerstein Andrew S

16open violations
$0ECB/OATH penalties owed
0HPD class C (immediately hazardous)
57dto Annual boiler inspection (1 boiler)

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 57 days
Keep the report on file (not filed with DOB)
Annual boiler inspection (1 boiler) Applies
Boiler inspection · By December 31 each year
What this is

Boilers are inspected each calendar year and the report is filed in DOB NOW: Safety within 14 days of the inspection (low-pressure boilers in residential buildings of 5 or fewer families are exempt). Latest report on record: 2025-12-10 (Accepted). Agency page

Dec 31, 2026
in 57 days
1 of 1 without an accepted 2026 report yet
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 301 days
Required only if the owner doesn't live there
Gas piping inspection (2028 cycle) Likely applies
Local Law 152 · During 2028
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 3 is on the 2028 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2028
in 788 days
Next cycle year 2028

Open violations

ECB / OATH (0)

None open.

DOB (8)
IssuedViolationStatus
Feb 24, 2017LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT
#11191
DOB VIOLATION - ACTIVE
Feb 13, 2004LOCAL LAW 62/91 - BOILERS

#20240
DOB VIOLATION - ACTIVE
Mar 19, 2003LOCAL LAW 62/91 - BOILERS

#16705
DOB VIOLATION - ACTIVE
Mar 26, 2002LOCAL LAW 62/91 - BOILERS

#17995
DOB VIOLATION - ACTIVE
Feb 27, 2001LOCAL LAW 62/91 - BOILERS

#16958
DOB VIOLATION - ACTIVE
Feb 7, 2000LOCAL LAW 62/91 - BOILERS

#17496
DOB VIOLATION - ACTIVE
Mar 16, 1999LOCAL LAW 62/91 - BOILERS

#17207
DOB VIOLATION - ACTIVE
May 4, 1998LOCAL LAW 62/91 - BOILERS

#25092
DOB VIOLATION - ACTIVE
DOB NOW Safety (8)
IssuedViolationStatus
Feb 24, 2017Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2015 INSPECTION REPORT
Active
Feb 13, 2004Boiler LL6291
Active
Mar 19, 2003Boiler LL6291
Active
Mar 26, 2002Boiler LL6291
Active
Feb 27, 2001Boiler LL6291
Active
Feb 7, 2000Boiler LL6291
Active
Mar 16, 1999Boiler LL6291
Active
May 4, 1998Boiler 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 Nov 4, 2026, 10:46 PM ET. BBL 3019280074.

Look up another building