Brooklyn · Block 2032 · Lot 14 · 11205

21 Adelphi Street

4 floors · 8 apartments · 5,500 sq ft · built 1915 · class C1 · owner of record: 21 Adelphi Llc

17open violations
$2,500ECB/OATH penalties owed
3HPD class C (immediately hazardous)
69dto Bedbug annual filing

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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 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
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 313 days
Registered through 2027-09-01
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 1165 days
Next cycle year 2029

Open violations

ECB / OATH (2) · $2,500 owed
IssuedViolationHearingBalance
Jun 22, 2023Construction CLASS - 1
WORK WITHOUT PERMIT:NOTED:AT TIME OF INSPECTION OBSERVED WORK IN PROGRESS IN APT 1L,NEW WAS 5X SUPPLY LINES AND SANITARY FOR KITCHEN SITE.NORECORD OF PLUMBING PERMIT ISSUED ACCORDING TO DOB RECORDS.REM:OBTAIN P
#35647043P
Oct 11, 2023
IN VIOLATION
$1,250
Jun 22, 2023Construction CLASS - 1
WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR APPROVED AMENDMENTS.NOTED:AT TIME OF INSPECTION OBSERVED PLANS DO NOT INDICATE STAIR OPENING BTW 1ST FLOOR AND CELLAR AS NEW.FLOOR JOIST HAVE BEEN
#35647042N
Oct 11, 2023
IN VIOLATION
$1,250
DOB (4)
IssuedViolationStatus
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
#13134
DOB VIOLATION - ACTIVE
Jun 20, 2023LOW PRESSURE BOILER
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
#34358
DOB VIOLATION - ACTIVE
Mar 14, 1996BOILER

#MD932755-01
VIOLATION UNSERVED ECB-ACTIVE
Aug 16, 1993LOCAL LAW 62/91 - BOILERS

#34441
DOB VIOLATION - ACTIVE
DOB NOW Safety (2)
IssuedViolationStatus
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2018 EXTERNAL LOW PRESSURE INSPECTION
Active
Jun 20, 2023Boiler LBLVIO
VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
Active
HPD (11) · C 3 · B 3 · A 5
IssuedClassViolationCorrect by
May 1, 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 4, 2026
Jun 6, 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 9, 2025
Dec 9, 2024C§ 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 DOOR AT VESTIBULE , 1st STORYDec 23, 2024
Dec 9, 2024BApt 4L · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE KITCHEN LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTHJan 13, 2025
Dec 9, 2024C§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLARDec 15, 2024
Dec 9, 2024BApt 4L · § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTHJan 13, 2025
Dec 9, 2024BApt 4L · § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM WEST AT NORTHJan 13, 2025
Dec 9, 2024CApt 4L · § 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 4L, 4th STORY, 1st APARTMENT FROM NORTH AT EASTDec 8, 2024
Dec 2, 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 HALLMar 7, 2025
Dec 2, 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 HALLMar 7, 2025
Dec 2, 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 HALLMar 7, 2025

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, 5:37 AM ET. BBL 3020320014.

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