4 floors · 8 apartments · 9,110 sq ft · built 1906 · class C1 · owner of record: 727 Knickerbocker Ave Llc
New violations the morning after they're issued, plus deadline reminders. Free for one building.
| Requirement | Due | Status |
|---|---|---|
| Annual property registration Applies HPD registration · September 1 each year What this isResidential 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 | Overdue | Registration expired 2026-09-01 |
| Gas piping inspection (2026 cycle) Likely applies Local Law 152 · During 2026 What this isBuildings 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 isIf 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 isOwners 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 isDeliver 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 |
| Issued | Violation | Hearing | Balance |
|---|---|---|---|
| Apr 28, 2026 | Construction CLASS - 1 UNLAWFUL ACTS. FAILURE TO COMPLY WITH COMMISSIONER'S ORDER FOR SUMMONS # 39138223M ISSUED 2/12/25., COMPLY WITH COMMISSIONER'S ORDER #39186378N | Nov 30, 2026 PENDING | $2,500 |
| Apr 28, 2026 | Construction CLASS - 1 WORK DOES NOT CONFORM TO APPROVED CONSTRUCTION DOCUMENTS AND/OR APPROVED AMENDMENTS. NOTED; AT ROOF LEVEL DECK IS COMPOSED OF FLAMMABLE, WOOD 2X4'S PLATFORM WITH TREX DECKING ATOP CONTRARY TO PLANS JOB #B080530 #39186383H | Nov 30, 2026 PENDING | $2,500 |
| Apr 28, 2026 | Construction CLASS - 2 FAILURE TO CONDUCT OR FILE A FINAL INSPECTION OF PERMITTED WORK WITH THE DEPARTMENT. NOTED: APPLICATION # B08053092-I1-GC EXPIRED ON 3/8/25 AND NO FINAL INSPECTION CONDUCTED., CONDUCT/FILE FINAL INSPECTION #39186382X | Mar 5, 2027 PENDING | $1,250 |
| Feb 12, 2025 | Construction CLASS - 1 WORK WITHOUT A PERMIT. AT TIME OF INSPECTION. AT TIME INSPECTION, OBSERVED AT ROOF, ERECTED 6 FEET IN HEIGHT WOOD PANEL FENCE/WALLS TO CONVERT THE ROOF TO A TERRACE FOR A RECREATIONAL USE., OBTAIN PERMIT #39138223M | Aug 20, 2025 IN VIOLATION | $0 |
| Issued | Violation | Status |
|---|---|---|
| Aug 16, 1993 | LOCAL LAW 62/91 - BOILERS #37119 | DOB VIOLATION - ACTIVE |
None open.
None open.
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, 12:32 AM ET. BBL 3033920004.