Manhattan · Block 1905 · Lot 36 · 10027

100 West 121 Street

6 floors · 21 apartments · 34,689 sq ft · built 1907 · class C6 · owner of record: 100 West 121 Street Housing Develop

13open violations
$1,250ECB/OATH penalties owed
1HPD class C (immediately hazardous)
47dto 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 47 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 47 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 63 days
Annual
Energy and water benchmarking Likely applies
Local Law 84 · May 1 each year
What this is

Buildings over 25,000 sq ft (this lot shows 34,689 sq ft) report energy and water use for the prior calendar year through ENERGY STAR Portfolio Manager. The city's Covered Buildings List is the final word on which buildings must file. Agency page

May 1, 2027
in 168 days
Annual filing
Building emissions report Likely applies
Local Law 97 · May 1 each year (extensions available)
What this is

Covered buildings file an annual greenhouse gas emissions report certified by a registered design professional. Buildings over their emissions limit owe penalties, so it pays to check early. Agency page

May 1, 2027
in 168 days
Annual filing
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 291 days
Registered through 2027-09-01
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 10 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 778 days
Next cycle year 2028
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: 2026-03-17 (Accepted). Agency page

On file2026 reports accepted

Open violations

ECB / OATH (1) · $1,250 owed
IssuedViolationHearingBalance
May 18, 2018Local Law CLASS - 2
FAILURE TO SUBMIT ACCEPTABLE 8TH ROUND REPORT OF CRITICAL EXAMINATION DOCUMENTING CONDITION OF EXTERIOR WALLS AND APPURTENANCES REQUIRED BY 28-302.4 FOR CONTROL#812051. REMEDY: SUBMIT REQUIRED TECHNICAL REPORT
#37011336H
Jan 17, 2019
IN VIOLATION
$1,250
DOB (4)
IssuedViolationStatus
May 31, 2018NO REPORT AND / OR LATE FILING (FACADE)
FAILED TO FILE FISP CYCLE 8A TECHNICAL REPORT BY 02/21/2017
#00287
DOB VIOLATION - ACTIVE
May 19, 2014LANDMARK

#14-0914
DOB VIOLATION - ACTIVE
May 9, 2014LANDMARK

#14-0913
DOB VIOLATION - ACTIVE
Jan 31, 2013NO REPORT AND / OR LATE FILING (FACADE)
FAILED TO FILE FISP CYCLE 7A TECHNICAL REPORT BY 02/21/2012
#00913
DOB VIOLATION - ACTIVE
DOB NOW Safety (2)
IssuedViolationStatus
May 31, 2018Facades FISPNRF
FAILED TO FILE FISP CYCLE 8A TECHNICAL REPORT BY 02/21/2017
Active
Jan 31, 2013Facades FISPNRF
FAILED TO FILE FISP CYCLE 7A TECHNICAL REPORT BY 02/21/2012
Active
HPD (7) · C 1 · B 5 · A 1
IssuedClassViolationCorrect by
May 1, 2014BApt 53 · SECTION 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). INOPERATIVE IN THE ENTIRE APARTMENT LOCATED AT APT 53, 5th STORY, 1st APARTMENT FROM EAST AT SOUTHJun 5, 2014
May 1, 2014BApt 53 · SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR INOPERATIVE. IN THE ENTIRE APARTMENT LOCATED AT APT 53, 5th STORY, 1st APARTMENT FROM EAST AT SOUTHJun 5, 2014
May 1, 2014CApt 53 · 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 = 1; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 53, 5th STORY, 1May 29, 2014
Apr 30, 2014BApt 53 · SECTION 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 5th BATHROOM FROM EAST LOCATED AT APT 53, 5th STORY, 1st APARTMENT FROM EAST AT SOUTHJun 4, 2014
Apr 30, 2014BApt 53 · SECTION 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING, WEST WALL, SOUTH WALL IN THE 5th BATHROOM FROM EAST LOCATED AT APT 53, 5th STORY, 1st APARTMENT FROM EAST AT SOUTHJun 4, 2014
Apr 30, 2014BApt 53 · SECTION 27-2005 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE MEDICINE CABINET IN THE BATHROOM LOCATED AT APT 53, 5th STORY, 1st APARTMENT FROM EAST AT SOUTHJun 4, 2014
Nov 9, 2011ASECTION 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 FRAME MISSING.Feb 12, 2012

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 14, 2026, 2:20 PM ET. BBL 1019050036.

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