Brooklyn · Block 5548 · Lot 39 · 11204

6404 20 Avenue

3 floors · 4 apartments · 3,322 sq ft · built 1931 · class S4 · owner of record: 6404 20th Avenue

3open violations
$23,413ECB/OATH penalties owed
0HPD class C (immediately hazardous)
Overdueto Annual property registration

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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 2026-09-01
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 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 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 67 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 83 days
Annual
Gas piping inspection (2027 cycle) Likely applies
Local Law 152 · During 2027
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 11 is on the 2027 cycle; certification is filed with DOB after the inspection. Buildings with no gas piping file a certification instead. Agency page

Dec 31, 2027
in 432 days
Next cycle year 2027

Open violations

ECB / OATH (4) · $23,413 owed
IssuedViolationHearingBalance
Nov 8, 2021Construction CLASS - 1
FILE A CERT OF CORREECTION OR OTHER RELATED MATERIAL CONTAINING MATERIAL FOR FALSE STATEMENT RESPONDENT FILED A CERT OF CORRECTIONS ON 9/24/2021 FOR NOV#35546739K UPON INSPECTION I FOUND THAT THE CONDITIONS WHI
#35590459Y
Sep 19, 2022
IN VIOLATION
$10,000
Nov 8, 2021Construction CLASS - 1
OCCUPANCY CONTRARY TO THAT ALLOWED BY THE DEPARMENT OF BUILDINGS RECORD.ILLEGAL OCCUPANCY NOTED AT 1ST FLOOR HAS BEEN CONVERTED/OCCUPIED AS AN ADULT PHYSICAL CULTURE ESTABLISHMENT.MASSAGE PARLOR"24 J SPA"WITH 4
#35590571Y
Mar 23, 2022
IN VIOLATION
$3,413
Nov 8, 2021Construction CLASS - 1
FILE A CERT OF CORRECTION OR OTHER RELATED MATERIAL CONTAINING MATERIAL FOR FALSE STATEMENT RESPONDENT FILED A CERT OF CORRECTIONS ON 9/24/2021 FOR NOV#35498711P UPON INSPECTION I FOUND THAT THE CONDITIONS WHIC
#35590458M
Sep 19, 2022
IN VIOLATION
$10,000
Nov 25, 2020Construction CLASS - 2
WORK W/O PERMIT,NOTED AT 1ST FLOOR FULL HEIGHT PARTITIONS ERECTED TO CREATE 4 MASSAGE REQUIRES KITCHEN ONE BEDROOM SPREE AND 2 PIECE BATHROOM SINK,WATER & WASTE LINES FOR SHOWER ROOMS WASH MACHINE HAS BEEN INST
#35498712R
Oct 25, 2021
IN VIOLATION
$0
DOB (0)

None open.

DOB NOW Safety (0)

None open.

HPD (0)

None open.

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 25, 2026, 9:46 AM ET. BBL 3055480039.

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