Brooklyn · Block 1149 · Lot 9 · 11238

673 Classon Avenue

4 floors · 8 apartments · 6,100 sq ft · built 1930 · class C1 · owner of record: 673 Classon Avenue Realty Llc

42open violations
$0ECB/OATH penalties owed
3HPD class C (immediately hazardous)
Overdueto 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 Applies
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

OverdueRegistration expired 2026-09-01
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)
Bedbug annual filing Applies
Local Law 69 · December 1 to 31 each year
What this is

Owners of multiple dwellings file their bedbug infestation history for the prior year with HPD and post or distribute it to tenants. Agency page

Dec 31, 2026
in 69 days
Annual
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: 2021-08-10 (Accepted). Agency page

Dec 31, 2026
in 69 days
1 of 1 without an accepted 2026 report yet
Annual notice: window guards and lead paint Applies
HPD / Health Code · January 1 to 16 each year
What this is

Deliver the annual notice to every unit asking whether a child lives there (window guards for children 10 and under; lead paint for children under 6 in pre-1960 buildings), then follow up on units that don't return it by mid-February. Agency page

Jan 16, 2027
in 85 days
Annual

Open violations

ECB / OATH (0)

None open.

DOB (9)
IssuedViolationStatus
Apr 25, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION
#12625
DOB VIOLATION - ACTIVE
Nov 8, 2019LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
#07545
DOB VIOLATION - ACTIVE
Apr 6, 2018LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
#09533
DOB VIOLATION - ACTIVE
Oct 1, 2015LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT
#06872
DOB VIOLATION - ACTIVE
Mar 3, 2015LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT
#08740
DOB VIOLATION - ACTIVE
May 15, 2014LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT
#12980
DOB VIOLATION - ACTIVE
Mar 1, 2013LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORT
#06515
DOB VIOLATION - ACTIVE
Dec 13, 2011LOW PRESSURE BOILER
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
#08902
DOB VIOLATION - ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#35335
DOB VIOLATION - ACTIVE
DOB NOW Safety (8)
IssuedViolationStatus
Apr 25, 2023Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2022 INSPECTION REPORT
Active
Nov 8, 2019Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT
Active
Apr 6, 2018Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT
Active
Oct 1, 2015Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2014 INSPECTION REPORT
Active
Mar 3, 2015Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT
Active
May 15, 2014Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2012 INSPECTION REPORT
Active
Mar 1, 2013Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2011 INSPECTION REPORT
Active
Dec 13, 2011Boiler LBLVIO
VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2010 INSPECTION REPORT
Active
HPD (25) · C 3 · B 19 · A 3
IssuedClassViolationCorrect by
Apr 17, 2026BApt 3R · § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD BASE CABINET AT SOUTH IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHMay 22, 2026
Apr 17, 2026BApt 3R · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND ALL WALLS IN THE 4th ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHMay 22, 2026
Apr 17, 2026BApt 3R · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SLIDING DOOR AT ENTRANCE IN THE 4th ROOM FROM EAST LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHMay 22, 2026
Apr 17, 2026BApt 3R · § 27-2005 HMC: REFIT DOOR IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHMay 22, 2026
Jul 1, 2025BApt 1R · § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ.FT AT CEILING IN THE 1st ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 17728547 ISSUED 01-MAR-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODAug 5, 2025
Mar 3, 2025CApt 1R · § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT DOOR TO REAR YARD IN THE 1st ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM EAST AT SOUTHMar 17, 2025
Mar 7, 2018B§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MASONARY BRICKS AT 4TH STORY, BUILDING NORTH EXTERIOR WALLApr 11, 2018
Jun 28, 2017A§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORYOct 1, 2017
Jun 26, 2017CApt 1L · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOTWATER EXCEEDING THE MAXIMUM TEMP. OF 130 DEGREES AT ALL FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1L, 1st STORY, APARTMENT AT NORTHJul 4, 2017
Jun 21, 2017A§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES THAT SHOULD BE FOLLOWED WHEN A GAS LEAK IS SUSPECTED AT PUBLIC HALL, 1st STORYSep 24, 2017
May 12, 2017CApt 1L · § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING THE MAXIMUM TEMPERATURE OF 130 DEGREES. TEMPERATURE AT TIME OF INSPECTION WAS 143. THERMOMETER #-92028 IN THE ENTIRE APARTMENT LOCATED AT APT 1L, 1st STORY, APARTMENT AT NORTHMay 20, 2017
May 12, 2017A§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD. AT PUBLIC HALL, 1st STORYAug 15, 2017
Sep 3, 2015BApt 3L · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 8, 2015
Sep 3, 2015BApt 3L · SECTION 27-2032, 2034 ADM CODE DISCONTINUE USE OF ILLEGAL SPACE AND/OR HOT WATER HEATER AND PROVIDE FILED FOR & APPROVED HEATER WHICH OBTAINS COMBUSTION AIR DIRECTLY FROM OUTSIDE THE BUILDING OR APPROVED CENTRAL SYSTEM ... IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 8, 2015
Sep 3, 2015BApt 3L · SECTION 27-2032, 2034 ADM CODE DISCONTINUE USE OF ILLEGAL SPACE AND/OR HOT WATER HEATER AND PROVIDE FILED FOR & APPROVED HEATER WHICH OBTAINS COMBUSTION AIR DIRECTLY FROM OUTSIDE THE BUILDING OR APPROVED CENTRAL SYSTEM ... IN THE 1st ROOM FROM NORTH LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM NOct 8, 2015
Sep 3, 2015BApt 3L · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 8, 2015
Sep 3, 2015BApt 3L · SECTION 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS BATHTUB HOT WATER IN THE BATHROOM LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 8, 2015
Sep 3, 2015BApt 3L · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE BATHROOM LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOct 8, 2015
Oct 17, 2014BSECTION 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 100 WATTS MINIMUM REQUIRED (LIGHT FIXTURES PRESENT)Nov 21, 2014
Feb 18, 2014BApt 3L · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE BATHROOM LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMar 25, 2014
Feb 18, 2014BApt 3L · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR NORTH WALL IN THE KITCHEN LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM WEST AT NORTHMar 25, 2014
Feb 26, 2009BApt 3R · SECTION 27-2032, 2034 ADM CODE DISCONTINUE USE OF ILLEGAL SPACE AND/OR HOT WATER HEATER AND PROVIDE FILED FOR & APPROVED HEATER WHICH OBTAINS COMBUSTION AIR DIRECTLY FROM OUTSIDE THE BUILDING OR APPROVED CENTRAL SYSTEM NEW RADIATOR HEATER INSTALLED GAS OPERATED KITCHEN AND IN THE 1st ROOM FROM EAST Apr 2, 2009
Dec 12, 2008BApt 3R · SECTION 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MARBLE SADDLE IN THE ENTRANCE LOCATED AT APT 3R, 3rd STORY, APARTMENT AT SOUTHJan 16, 2009
Sep 17, 2008BApt 3R · SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF FLOOR SAGGING MORE THAN 3'', IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHOct 22, 2008
Nov 6, 2003BApt 3R · SECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF UNEVEN FLOOR IN THE KITCHEN LOCATED AT APT 3R, 3rd STORY, APARTMENT AT SOUTHDec 16, 2003

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, 1:20 AM ET. BBL 3011490009.

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