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Contractor
AVANT-GRADE CONTRACTING G
General Contractor
2 projects with open permitsMANHATTAN · 4QUEENS · 1BROOKLYN · 1
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5 buildings
12
Total Filings
6
Projects on File
5
Buildings Worked
2
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month6 projects all-time
0112Jun '21 · 1Sep '23 · 1Feb '24 · 1Apr '24 · 1Jan '25 · 1Jul '26 · 120222023202420252026
bars = month · line = 3-mo average
Portfolio status
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Open permit233%
Signed off350%
Other status117%
By project type
Alteration4
Alteration CO1
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866 UNITED NATIONS PLAZAMANHATTAN · latest 02/27/2024
2 projects
51 LEONARD STREETMANHATTAN · 1 open · latest 08/04/2026
1 projects
400 CENTRAL PARK WESTMANHATTAN · latest 05/06/2024
1 projects
184 LEFFERTS PLACEBROOKLYN · latest 07/10/2025
1 projects
28-41 36 STREETQUEENS · 1 open · latest 08/18/2026
1 projects
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2 projects
1 projects
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1 projects
1 projects
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1 projects
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q00531066 ↗28-41 36 STREET
QUEENS
Alteration COPermit Issued06/07/202108/18/2026
Design RODMAN PAUL ARCHITECTS PLLC
Filer J. CALLAHAN CONSULTING, INC.
Herewith filing for the conversion of a two (2) family dwelling to a single family home. General construction work proposed, as per plans s…
M01418606 ↗51 LEONARD STREET
MANHATTAN
AlterationPermit Issued07/16/202608/04/2026
Design LOWKEY ARCHITECTURE STUDIO PLLC
Owner HOFFMAN MANAGEMENT
Filer ANTHONY MORALI ARCHITECT PLLC
Renovation to existing dwelling unit at 3rd floor. Partition, finish and fixture work. Plumbing filed under subsequent document. No change t…
B01144504 ↗184 LEFFERTS PLACE
BROOKLYN
AlterationSigned-off01/14/202507/10/2025
Design LOWKEY ARCHITECTURE STUDIO PLLC
Filer ANTHONY MORALI ARCHITECT PLLC
REPLACEMENT OF EXISTING ROOFS AND SUBSTRATE. INSTALLATION OF STRUCTURAL BEAMS ON MAIN ROOF. PARTITION WORK AT 4TH FLOOR DWELLING UNIT. NO CH…
M01038712 ↗400 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off04/23/202405/06/2024
Design LOWKEY ARCHITECTURE STUDIO PLLC
Plumbing fixture work at apartment 10V. No change to use, egress or occupancy under this application.
M01002442 ↗866 UNITED NATIONS PLAZA
MANHATTAN
AlterationSigned-off02/20/202402/27/2024
Design LOWKEY ARCHITECTURE STUDIO PLLC
APPLICATION IS FILED FOR FOR REMOVAL OF INTERIOR CLOSETS, NON STRUCTURAL DEMOLITION. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
141023844BIS866 UNITED NATIONS PLAZA
MANHATTAN
—ISSUED09/25/202309/25/2023—EQ
Counts cover all 6 projects (5 DOB NOW + 1 legacy BIS). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LOWKEY ARCHITECTURE STUDIO PLLC407/16/2026
RODMAN PAUL ARCHITECTS PLLC108/27/2026
Sundholm Engineering101/15/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DONATO PLUMBING, INC107/16/2026
IMPACT PLUMBING INC104/23/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HOFFMAN MANAGEMENT107/16/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ANTHONY MORALI ARCHITECT PLLC207/16/2026
J. CALLAHAN CONSULTING, INC.108/27/2026
5 DOB NOW projects + 1 legacy BIS project, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 6Open permit 2Signed off 3Other status 1
Any typeAlteration 4Alteration CO 1
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q00531066 ↗28-41 36 STREET
QUEENS
Alteration COPermit Issued06/07/202108/18/2026
Design RODMAN PAUL ARCHITECTS PLLC
Filer J. CALLAHAN CONSULTING, INC.
Herewith filing for the conversion of a two (2) family dwelling to a single family home. General construction work proposed, as per plans s…
M01418606 ↗51 LEONARD STREET
MANHATTAN
AlterationPermit Issued07/16/202608/04/2026
Design LOWKEY ARCHITECTURE STUDIO PLLC
Owner HOFFMAN MANAGEMENT
Filer ANTHONY MORALI ARCHITECT PLLC
Renovation to existing dwelling unit at 3rd floor. Partition, finish and fixture work. Plumbing filed under subsequent document. No change t…
B01144504 ↗184 LEFFERTS PLACE
BROOKLYN
AlterationSigned-off01/14/202507/10/2025
Design LOWKEY ARCHITECTURE STUDIO PLLC
Filer ANTHONY MORALI ARCHITECT PLLC
REPLACEMENT OF EXISTING ROOFS AND SUBSTRATE. INSTALLATION OF STRUCTURAL BEAMS ON MAIN ROOF. PARTITION WORK AT 4TH FLOOR DWELLING UNIT. NO CH…
M01038712 ↗400 CENTRAL PARK WEST
MANHATTAN
AlterationSigned-off04/23/202405/06/2024
Design LOWKEY ARCHITECTURE STUDIO PLLC
Plumbing fixture work at apartment 10V. No change to use, egress or occupancy under this application.
M01002442 ↗866 UNITED NATIONS PLAZA
MANHATTAN
AlterationSigned-off02/20/202402/27/2024
Design LOWKEY ARCHITECTURE STUDIO PLLC
APPLICATION IS FILED FOR FOR REMOVAL OF INTERIOR CLOSETS, NON STRUCTURAL DEMOLITION. NO CHANGE OF USE, EGRESS OR OCCUPANCY.
141023844BIS866 UNITED NATIONS PLAZA
MANHATTAN
—ISSUED09/25/202309/25/2023—EQ
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
28-41 36 STREET ↗108/20/2026
51 LEONARD STREET ↗108/17/2026
866 UNITED NATIONS PLAZA ↗107/08/2026
184 LEFFERTS PLACE ↗604/09/2026
400 CENTRAL PARK WEST ↗303/21/2026
▾Documents — 80 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/28/2026M01002442-I1 · 866 UNITED NATIONS PLAZARequest digital key ↗
08/27/2026M01038712-S1 · 400 CENTRAL PARK WESTRequest digital key ↗
08/27/2026M01038712-I1 · 400 CENTRAL PARK WESTRequest digital key ↗
Showing 3 of 9 on file for this type
▸Applications & Permits3
▸BISPLAN / WORK APPROVAL APPLICATION2
03/08/2024141023844 · 866 UNITED NATIONS PLAZAOpen ↗
Showing 1 of 2 on file for this type
▸BISWORK PERMIT APPLICATION1
09/25/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸Seals & Professional Certifications43
▸DOB NOWProgress Inspector Seal & Signature18
09/23/2026Q00531066-I1 · 28-41 36 STREETOpen ↗
09/23/2026Q00531066-I1 · 28-41 36 STREETOpen ↗
09/23/2026Q00531066-P2 · 28-41 36 STREETOpen ↗
Showing 3 of 18 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature13
09/23/2026Q00531066-P2 · 28-41 36 STREETOpen ↗
09/23/2026Q00531066-I1 · 28-41 36 STREETOpen ↗
09/23/2026Q00531066-I1 · 28-41 36 STREETOpen ↗
Showing 3 of 13 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/28/2026M01002442-I1 · 866 UNITED NATIONS PLAZAOpen ↗
08/27/2026M01038712-I1 · 400 CENTRAL PARK WESTOpen ↗
08/27/2026M01038712-S1 · 400 CENTRAL PARK WESTOpen ↗
Showing 3 of 9 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
08/16/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
08/16/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
08/16/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist2
08/27/2026Q00531066-I1 · 28-41 36 STREETOpen ↗
Showing 1 of 2 on file for this type
▸BISTPP1: TENANT PROTECTION PLAN1
09/08/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/28/2026M01002442-I1 · 866 UNITED NATIONS PLAZAOpen ↗
08/27/2026M01038712-I1 · 400 CENTRAL PARK WESTOpen ↗
08/27/2026M01038712-S1 · 400 CENTRAL PARK WESTOpen ↗
Showing 3 of 7 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Energy Compliance6
▸BISAS-BUILT ENERGY ANALYSIS (EN2)2
12/18/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
12/18/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
08/16/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1
08/16/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸BISNYCECC ANALYSIS1
08/16/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸DOB NOWEN2: As Built Energy Analysis.1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Inspections & Test Reports2
▸BISTECHNICAL REPORT: RESPONSIBILITY2
09/25/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
09/11/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT1
08/16/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸BISCOST AFFIDAVIT (FINAL): PW31
12/18/2023141023844 · 866 UNITED NATIONS PLAZAOpen ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Other Documents1
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B01144504-I1 · 184 LEFFERTS PLACEOpen ↗