Manhattan · Block 1977 · Lot 41 · 10027

520 West 123 Street

5 floors · 10 apartments · 12,805 sq ft · built 1901 · class C4 · owner of record: 123rd Street Investor, Llc

5open violations
$1,500ECB/OATH penalties owed
0HPD class C (immediately hazardous)
46dto 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 9 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 46 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 46 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 46 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 62 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 290 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: 2026-11-05 (Accepted). Agency page

On file2026 reports accepted

Open violations

ECB / OATH (2) · $1,500 owed
IssuedViolationHearingBalance
Jan 29, 2025Construction CLASS - 2
FAILURE TO COMPLY WITH COMMISSIONER'S ORDER CONTAINED IN SUMMONS #39094155H ISSUED ON 09/06/2023, AND FAILURE TO FILE A CERTIFICATE OF CORRECTION PURSUANT TO 28.201.1 AND 1 RCNY 102-01(D)(2). AN ACCEPTABLE CERT
#37033051L
Apr 24, 2025
IN VIOLATION
$1,250
Sep 6, 2023Construction CLASS - 3
FAILURE TO MAINTAIN. OBSERVED AT EXPOSURE#1, ON THE FIRST FLOOR. PEELING PAINT ON THE FACADE, REPAIR AND OR REPLACE; REPLACE/REPAIR
#39094155H
Dec 7, 2023
STIPULATION/IN-VIO
$250
DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (3) · C 0 · B 1 · A 2
IssuedClassViolationCorrect by
Sep 28, 2026BApt 3E · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE KITCHEN LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTNov 2, 2026
Sep 28, 2026AApt 3E · § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE BASE CABINET AT WASH/BASIN IN THE BATHROOM LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTJan 1, 2027
Sep 28, 2026AApt 3E · § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING AND EAST WALL IN THE PRIVATE HALLWAY LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTJan 1, 2027

Issued in the last 120 days

DateSourceWhatNow
Sep 28, 2026HPD B§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE KITCHEN LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOpen
Sep 28, 2026HPD A§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE BASE CABINET AT WASH/BASIN IN THE BATHROOM LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOpen
Sep 28, 2026HPD A§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING AND EAST WALL IN THE PRIVATE HALLWAY LOCATED AT APT 3E, 3rd STORY, 1st APARTMENT FROM NORTH AT EASTOpen

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 15, 2026, 6:12 PM ET. BBL 1019770041.

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