Brooklyn · Block 3412 · Lot 35 · 11207

794 Knickerbocker Avenue

3 floors · 3 apartments · 3,600 sq ft · built 1920 · class C0 · owner of record: Ghaffarian, Maria Doris

46open violations
$0ECB/OATH penalties owed
8HPD class C (immediately hazardous)
Overdueto Annual property registration

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 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 2019-09-01
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 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 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 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 (0)

None open.

DOB NOW Safety (0)

None open.

HPD (46) · C 8 · B 23 · A 8
IssuedClassViolationCorrect by
Nov 26, 2024I§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID R—
Oct 30, 2019I§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID R—
Feb 25, 2022I§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID R—
Apr 9, 2021I§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID R—
Nov 18, 2025I§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID R—
Nov 17, 2023I§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID R—
Nov 7, 2022I§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID R—
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
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
Apr 9, 2021A(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 13, 2021
Jan 16, 2014CApt 2 · SECTION 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES AT KITCHEN AND BATHROOM IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WESTJan 24, 2014
Jan 16, 2014CApt 2 · SECTION 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES AT KITCHEN AND BATHROOM IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM SOUTH AT WESTJan 24, 2014
Jul 3, 2008BSECTION 27-2005 ADM CODE REPLACE WITH NEW THE MISSING GLASS UPPER SASH WINDOW 1 STY REAR PUBLIC HALL.Aug 7, 2008
Jul 3, 2008BSECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF STUFFED FURNITURE MATTRESSES & SOFA STORED CELLAR.Aug 7, 2008
Jul 3, 2008BSECTION 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS CENTER CELLAR.Aug 7, 2008
Jul 3, 2008BApt 1 · SECTION 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM AT LEAST 1 WINDOW OR PROVIDE APPROVED TYPE GATE 1 STY EAST APT 1. LOCATED AT APT 1Aug 7, 2008
Sep 24, 2007CApt 3 · SECTION 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, APARTMENT AT SOUTHSep 30, 2007
Sep 24, 2007CApt 3 · SECTION 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, APARTMENT AT SOUTHSep 30, 2007
Jul 10, 2007BSECTION 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 A MINIMUM OF 100 WATTS REQUIREDAug 14, 2007
Jun 27, 2007CApt 1FL · 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 SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 1FL, 1st STJul 23, 2007
Jun 27, 2007BApt 1FL · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ,, NORTH WALL IN THE BATHROOM LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTAug 6, 2007
Jun 27, 2007AApt 1FL · SECTION 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ,, 1st DOOR FRAME FROM SOUTH AT WEST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTOct 5, 2007
Jun 27, 2007BApt 1FL · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ,, SOUTH WALL IN THE KITCHEN LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTAug 6, 2007
Jun 27, 2007AApt 1FL · SECTION 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION ,, 1st DOOR FROM SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTOct 5, 2007
Jun 27, 2007BApt 1FL · SECTION 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE WINDOW GLASS PANE AT SOUTH LOWER SASH WINDOW IN THE 2nd ROOM FROM EAST LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTAug 6, 2007
Jun 27, 2007BApt 1FL · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ,, CEILING IN THE 2nd ROOM FROM EAST LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTAug 6, 2007
Jun 27, 2007BApt 1FL · SECTION 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS AT APT ENTRANCE LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTAug 6, 2007
Jun 27, 2007BApt 1FL · SECTION 27-2018 ADM CODE ABATE THE NUISANCE CONSISTING OF VERMIN MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTAug 6, 2007
Jun 27, 2007CApt 1FL · 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) EAST WALL IN THE BATHROOM LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTJul 23, 2007
Jun 27, 2007CApt 1FL · 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 SOUTH AT WEST WALL, 1st WINDOW SASH FROM EAST AT SOUTH WALL Jul 23, 2007
Jun 27, 2007CApt 1FL · 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) 2nd WINDOW FRAME FROM NORTH AT EAST WALL IN THE 1st ROOM FROM EAST LOCATED AT APJul 23, 2007
Jun 27, 2007BApt 1FL · SECTION 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... AT WALLS AND CEILING IN THE BATHROOM LOCATED AT APT 1FL, 1st STORY, 1st APARTMENT FROM SOUTH AT WESTAug 6, 2007
May 4, 2007BSECTION 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION 3 STY APT MADE INTO 3 APTSJun 20, 2007
May 4, 2007BSECTION 27-2045, 2046 ADM CODE PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING 3 STY APTSJun 20, 2007
May 4, 2007BSECTION 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF FRONT ENTRANCE DOOR TO BLDG LOCKED PREVENTING ACCESS TO BELLS 1 STY VESTIBULEJun 20, 2007
May 4, 2007BApt 3 · SECTION 27-2078 ADM CODE DISCONTINUE THE UNLAWFUL USE AS SEPARATELY OCCUPIED SLEEPING ROOMS OR, PROVIDE UNOBSTRUCTED ACCESS TO EACH REQUIRED MEANS OF EGRESS NORTHEAST ROOM 3 STY APT 3 PRIME BRISTOL ROOMER RAMOS , SECTION '' ''Jun 20, 2007
May 4, 2007BSECTION 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION 1 STY APT SUBDIVIDED INTO 2 APTSJun 20, 2007
May 4, 2007BSECTION 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 MINIMUMJun 20, 2007
May 4, 2007BSECTION 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 REQUIREDJun 20, 2007
May 4, 2007BSECTION 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS THRU OUT CELLAR.Jun 20, 2007
May 4, 2007BApt 2 · SECTION 27-2078 ADM CODE DISCONTINUE THE UNLAWFUL USE AS SEPARATELY OCCUPIED SLEEPING ROOMS OR, PROVIDE UNOBSTRUCTED ACCESS TO EACH REQUIRED MEANS OF EGRESS 2 STY APT 2. LOCATED AT APT 2Jun 20, 2007
May 4, 2007BApt 3 · SECTION 27-2078 ADM CODE DISCONTINUE THE UNLAWFUL USE AS SEPARATELY OCCUPIED SLEEPING ROOMS OR, PROVIDE UNOBSTRUCTED ACCESS TO EACH REQUIRED MEANS OF EGRESS 3 STY APT 3. LOCATED AT APT 3Jun 20, 2007
May 4, 2007BApt 1 · SECTION 27-2078 ADM CODE DISCONTINUE THE UNLAWFUL USE AS SEPARATELY OCCUPIED SLEEPING ROOMS OR, PROVIDE UNOBSTRUCTED ACCESS TO EACH REQUIRED MEANS OF EGRESS 1 STY APT 1. LOCATED AT APT 1Jun 20, 2007

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, 7:26 AM ET. BBL 3034120035.

Look up another building