Brooklyn · Block 3392 · Lot 5 · 11221

723 Knickerbocker Avenue

4 floors · 8 apartments · 7,956 sq ft · built 1910 · class C1 · owner of record: Ramirez, Emperatriz

39open violations
$0ECB/OATH penalties owed
5HPD class C (immediately hazardous)
67dto 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 4 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 67 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 67 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 67 days
Annual
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 83 days
Annual
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

Sep 1, 2027
in 311 days
Registered through 2027-09-01
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: 2026-10-23 (Accepted). Agency page

On file2026 reports accepted

Open violations

ECB / OATH (1)
IssuedViolationHearingBalance
Jan 14, 2009Quality of Life CLASS - 2
RESIDENCE ALTERED FOR OCCUPANCY FOR MORE THAN THE LEGALLY APPROVED NUMBER OF FAMILIES. DOB RECORDS INDICATE PREMISES TO BE LEGALLY APPROVED FOR AN 8 FAMILY DWELLING. NOW PREMISES CONVERTED TO BE AN 8 FAMILY & 1
#34739935M
Apr 22, 2009
IN VIOLATION
$0
DOB (7)
IssuedViolationStatus
Mar 16, 1999LOCAL LAW 62/91 - BOILERS

#19638
DOB VIOLATION - ACTIVE
May 4, 1998LOCAL LAW 62/91 - BOILERS

#27045
DOB VIOLATION - ACTIVE
Feb 10, 1997LOCAL LAW 62/91 - BOILERS

#25304
DOB VIOLATION - ACTIVE
Aug 29, 1995LOCAL LAW 62/91 - BOILERS

#37126
DOB VIOLATION - ACTIVE
Jun 1, 1994LOCAL LAW 62/91 - BOILERS

#26195
DOB VIOLATION - ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#37118
DOB VIOLATION - ACTIVE
Jun 1, 1993LOCAL LAW 62/91 - BOILERS

#26194
DOB VIOLATION - ACTIVE
DOB NOW Safety (7)
IssuedViolationStatus
Mar 26, 2002Boiler LL6291
Active
Mar 16, 1999Boiler LL6291
Active
May 4, 1998Boiler LL6291
Active
Feb 10, 1997Boiler LL6291
Active
Aug 29, 1995Boiler LL6291
Active
Jun 1, 1994Boiler LL6291
Active
Jun 1, 1993Boiler LL6291
Active
HPD (24) · C 5 · B 7 · A 12
IssuedClassViolationCorrect by
May 5, 2026A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Aug 8, 2026
Jun 10, 2025A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Sep 13, 2025
Jun 18, 2024A§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON AREA OF A CLASS A MULTIPLE DWELLING NEAR INSPECTION CERTIFICATE OR PROVIDE NOTICE TO TENANTS IN A PRIVATE DWELLING.Sep 21, 2024
Jun 18, 2024A§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORYSep 21, 2024
Jun 18, 2024A§ 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 STORYSep 21, 2024
Jun 18, 2024A§ 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 21, 2024
Jun 18, 2024A§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX MISSING AT PUBLIC HALLSep 21, 2024
Jun 18, 2024A§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALLSep 21, 2024
Apr 10, 2024A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Jul 14, 2024
Mar 23, 2023A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.Jun 26, 2023
Feb 25, 2022A(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.May 31, 2022
Dec 19, 2016C§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED. AT CELLARDec 27, 2016
Aug 25, 2014BApt 3R · SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR INOPERABLE LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM NORTH AT EASTSep 29, 2014
Aug 25, 2014BApt 3R · SECTION 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE ,, LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM NORTH AT EASTSep 29, 2014
Aug 25, 2014CApt 3R · SECTION 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 2; WG TO REPLACE = 0; WG TO REPAIR = 0; LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM NORTH Sep 22, 2014
Aug 25, 2014BApt 3R · SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). INOPERABLE LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM NORTH AT EASTSep 29, 2014
Apr 4, 2013CApt 3R · SECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st RADIATOR FROM SOUTH AT WEST WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FRMay 28, 2013
Apr 1, 2013BApt 3R · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE COUNTER BALANCE AT UPPER SASH WINDOW IN THE 1st ROOM FROM NORTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHJun 5, 2013
Apr 1, 2013BApt 3R · SECTION 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE COUNTER BALANCE AT WINDOW LOWER SASH IN THE 1st ROOM FROM NORTH LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTHJun 5, 2013
Feb 20, 2013BApt 3R · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTMar 27, 2013
Jan 23, 2013BApt 3R · SECTION 27-2018 ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF BEDBUGS LOCATED AT APT 3R, 3rd STORY, 2nd APARTMENT FROM NORTH AT EASTFeb 27, 2013
Nov 25, 2008CApt 4R · SECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE 7th ROOM FROM EAST LOCATED AT APT Dec 21, 2008
Nov 25, 2008CApt 4R · SECTION 27-2056.6 ADM CODE - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st DOOR FROM SOUTH AT WEST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 4R, 4tDec 21, 2008
Jun 12, 2008AD26-10.01 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION CORNICE ROOF FRONT OF BLDG.Sep 15, 2008

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 25, 2026, 5:02 AM ET. BBL 3033920005.

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