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Design Firm
NOBUTAKA ASHIHARA ARCHITECT PC
Design
1 project with open permitsMANHATTAN · 3
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1 building
15
Total Filings
3
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month3 projects all-time
0112May '23 · 1Jun '23 · 1Dec '24 · 1May '23Jul '23Sep '23Nov '23Jan '24Mar '24May '24Jul '24Sep '24Nov '24Dec '24
bars = month · line = 3-mo average
Portfolio status
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Open permit133%
Filed only267%
By project type
Alteration CO2
Alteration1
Most active buildings
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1717 BROADWAYMANHATTAN · 1 open · latest 07/15/2026
3 projects
Key relationships
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1 projects
1 projects
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1 projects
Contractors
1 projects
1 projects
1 projects
1 projects
Owners
1 projects
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NOBUTAKA ASHIHARAlatest 08/11/2026
8 filings
Filed under
NOBUTAKA ASHIHARA ARCHITECT PC15
Identified by the contact ids of the people who file for the firm and by its email domain (naa-arch.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00864036 ↗1717 BROADWAY
MANHATTAN
Alteration COPermit Issued06/05/202307/15/2026
Owner G. HOLDINGS
Contractor STROYBAT INC
Filer CONVERSANO ASSOCIATES, INC.
New infill slabs at level 2, new stair and existing MEP openings. New core drilled and saw cut MEP slab penetrations. New built up slabs on …
M01153672 ↗1717 BROADWAY
MANHATTAN
AlterationFiled — no permit on record12/18/2024———
M00865021 ↗1717 BROADWAY
MANHATTAN
Alteration COFiled — no permit on record05/08/2023———
Counts cover all 3 projects (3 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
NOBUTAKA ASHIHARA808/11/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MG ENGINEERING D.P.C.108/18/2026
WSP108/18/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CNY BUILDING CORP108/18/2026
LEVEL UP PLUMBING CORP108/18/2026
MEGA PLBG CORP108/18/2026
STROYBAT INC108/18/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
G. HOLDINGS108/18/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CONVERSANO ASSOCIATES, INC.108/18/2026
3 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 3Open permit 1Filed only 2
Any typeAlteration CO 2Alteration 1
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00864036 ↗1717 BROADWAY
MANHATTAN
Alteration COPermit Issued06/05/202307/15/2026
Owner G. HOLDINGS
Contractor STROYBAT INC
Filer CONVERSANO ASSOCIATES, INC.
New infill slabs at level 2, new stair and existing MEP openings. New core drilled and saw cut MEP slab penetrations. New built up slabs on …
M01153672 ↗1717 BROADWAY
MANHATTAN
AlterationFiled — no permit on record12/18/2024———
M00865021 ↗1717 BROADWAY
MANHATTAN
Alteration COFiled — no permit on record05/08/2023———
Scope of Work
HVAC — 1 project · most recent 08/18/2026
Air Conditioning Systems
Sprinkler / Standpipe — 1 project · most recent 08/18/2026
No specific sub-scope on file — project count only.
Plumbing — 1 project · most recent 08/18/2026
Gas Water/Sanitary
Structural — 1 project · most recent 08/18/2026
Concrete
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
1717 BROADWAY ↗1508/11/2026
▾Documents — 184 on file (BIS + DOB NOW)
▸Plans & Drawings32
▸DOB NOWPlans/Sketch32
08/25/2026M01153672-P1 · 1717 BROADWAYRequest digital key ↗
08/25/2026M01153672-I1 · 1717 BROADWAYRequest digital key ↗
09/01/2026M01153672-I1 · 1717 BROADWAYOpen ↗
Showing 3 of 32 on file for this type
▸Seals & Professional Certifications130
▸DOB NOWProgress Inspector Seal & Signature62
09/25/2026M00864036-P4 · 1717 BROADWAYOpen ↗
09/25/2026M00864036-P4 · 1717 BROADWAYOpen ↗
09/25/2026M00864036-P4 · 1717 BROADWAYOpen ↗
Showing 3 of 62 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature38
09/25/2026M00864036-P4 · 1717 BROADWAYOpen ↗
09/01/2026M00864036-D1 · 1717 BROADWAYOpen ↗
09/01/2026M01153672-I1 · 1717 BROADWAYOpen ↗
Showing 3 of 38 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature30
08/25/2026M01153672-P1 · 1717 BROADWAYOpen ↗
08/25/2026M01153672-I1 · 1717 BROADWAYOpen ↗
Showing 2 of 30 on file for this type
▸Safety & Tenant Protection11
▸DOB NOWStreet Tree Checklist10
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 10 on file for this type
▸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
▸Other Documents11
▸DOB NOWProperty Ownership Certification10
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 10 on file for this type
▸DOB NOWFinal Survey1
08/13/2026M00865021-I1 · 1717 BROADWAYOpen ↗