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Design Firm
AN ENGINEERING, PLLC
Design
1 project with open permitsMANHATTAN · 2
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1 building
2
Total Filings
2
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
Design
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Activity
Projects by first filing month2 projects all-time
0112Jan '26 · 1Feb '26 · 1Jan '26Feb '26
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Open permit150%
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Alteration CO1
Alteration1
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40 WEST 23 STREETMANHATTAN · 1 open · latest 09/14/2026
2 projects
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Alexey Nefedovlatest 06/08/2026
1 filings
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01245562 ↗40 WEST 23 STREET
MANHATTAN
Alteration COPermit Issued01/09/202609/14/2026
Owner COLLIERS
Contractor INTERSYSTEM CONSTRUCTION
Filer WILLIAM VITACCO ASSOCIATES
Installation of a temporary supported scaffold and temporary enclosure per plan submitted. Work shall comply with 2022 building codes chapte…
M01286264 ↗40 WEST 23 STREET
MANHATTAN
AlterationFiled — no permit on record02/25/2026———
Counts cover all 2 projects (2 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
Alexey Nefedov106/08/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GEORGE BOYLE108/20/2026
RIGID STRUCTURAL DESIGN, LLC108/20/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
INTERSYSTEM CONSTRUCTION108/20/2026
PHASE 3 INTERIORS LLC108/20/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
COLLIERS108/20/2026
INTERSYSTEM CONSTRUCTION CORP.108/20/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Rigid Structural Design, LLC108/20/2026
WILLIAM VITACCO ASSOCIATES108/20/2026
2 DOB NOW projects, 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 2Open permit 1Filed only 1
Any typeAlteration CO 1Alteration 1
2 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01245562 ↗40 WEST 23 STREET
MANHATTAN
Alteration COPermit Issued01/09/202609/14/2026
Owner COLLIERS
Contractor INTERSYSTEM CONSTRUCTION
Filer WILLIAM VITACCO ASSOCIATES
Installation of a temporary supported scaffold and temporary enclosure per plan submitted. Work shall comply with 2022 building codes chapte…
M01286264 ↗40 WEST 23 STREET
MANHATTAN
AlterationFiled — no permit on record02/25/2026———
Scope of Work
Structural — 1 project · most recent 08/20/2026
Steel
Fence / Scaffold / Sign / Shed — 1 project · most recent 08/20/2026
Scaffold Sidewalk Shed
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
40 WEST 23 STREET ↗206/08/2026
▾Documents — 24 on file (BIS + DOB NOW)
▸Plans & Drawings5
▸DOB NOWPlans/Sketch5
08/20/2026M01245562-S1 · 40 WEST 23 STREETRequest digital key ↗
08/20/2026M01245562-I1 · 40 WEST 23 STREETRequest digital key ↗
08/19/2026M01286264-I1 · 40 WEST 23 STREETRequest digital key ↗
Showing 3 of 5 on file for this type
▸Applications & Permits3
▸DOB NOWLPC Approval/Permit3
08/13/2026M01286264-I1 · 40 WEST 23 STREETOpen ↗
Showing 1 of 3 on file for this type
▸Seals & Professional Certifications9
▸DOB NOWDPL-1: Design Professional Seal & Signature5
09/16/2026M01245562-S3 · 40 WEST 23 STREETOpen ↗
08/20/2026M01245562-S2 · 40 WEST 23 STREETOpen ↗
08/20/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature2
09/02/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗
09/02/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗
▸DOB NOWProgress Inspector Seal & Signature2
09/02/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗
09/02/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist2
08/15/2026M01245562-S1 · 40 WEST 23 STREETOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/20/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form3
08/20/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗
08/19/2026M01286264-I1 · 40 WEST 23 STREETOpen ↗
Showing 2 of 3 on file for this type
▸Other Documents1
▸DOB NOWProperty Ownership Certification1
08/20/2026M01245562-I1 · 40 WEST 23 STREETOpen ↗