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Walk-up apt, over six families with stores
423 LENOX AVENUE
MANHATTAN · Harlem (North) · BIN 1058103
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1910Year Built
5Stories
C7Building Class
R7-2Zoning
—Gross Floor Area
10Units
Walk-up apt, over six families with stores · Owner of record: ABJ SIERRA, LLC · 3.94 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
ABJ SIERRA, LLC303/22/2026
2460 ADAM CLAYDEN BLVD103/22/2026
Building Lifecycle
All (34)Violation (34)
04/10/2025
Violation issued (HPD, closed)
C
04/10/2025
Violation issued (HPD, closed)
B
04/10/2025
Violation issued (HPD, closed)
B
04/10/2025
Violation issued (HPD, closed)
B
04/10/2025
Violation issued (HPD, closed)
B
04/10/2025
Violation issued (HPD, closed)
C
04/10/2025
Violation issued (HPD, closed)
C
09/25/2018
Violation issued (HPD, closed)
A
09/25/2018
Violation issued (HPD, closed)
A
09/25/2018
Violation issued (HPD, closed)
A
02/28/2018
Violation issued (HPD, closed)
B
02/28/2018
Violation issued (HPD, closed)
B
02/04/2018
Violation issued (HPD, closed)
B
09/11/2016
Violation issued (HPD, closed)
C
09/11/2016
Violation issued (HPD, closed)
B
08/01/2013
Violation issued (HPD, open)
B
08/01/2013
Violation issued (HPD, closed)
B
08/01/2013
Violation issued (HPD, closed)
A
07/17/2013
Violation issued (HPD, closed)
B
07/17/2013
Violation issued (HPD, closed)
B
12/31/2009
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
12/12/2008
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/31/2005
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
01/31/2005
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/10/2002
Violation issued (ECB, closed)
Construction
03/26/2002
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/27/2001
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
02/07/2000
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/16/1999
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
05/04/1998
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
09/16/1997
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
08/29/1995
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/18/1994
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
03/18/1993
Violation issued (DOB, closed)
V*-DOB VIOLATION - DISMISSED
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 7 on file (BIS + DOB NOW)
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
12/26/2008110425996Open ↗
▸BISWORK PERMIT APPLICATION1
12/29/2008110425996Open ↗
▸Seals & Professional Certifications2
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
12/26/2008110425996Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
12/26/2008110425996Open ↗
▸Environmental & Asbestos1
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
12/26/2008110425996Open ↗
▸Approvals, Objections & Sign-offs1
▸BISADMINISTRATIVE OBJECTIONS1
12/26/2008110425996Open ↗
▸Filing & Intake Forms1
▸BISEFILING COVER SHEET1
12/26/2008110425996Open ↗