Michael Walch Architect PC — NYC Architecture And Engineering Firm: DOB NOW Filings, Permits & Projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
S01092223 ↗	49 CLINTON AVENUE STATEN ISLAND	Alteration	Permit Issued	08/13/2024	08/27/2026	Contractor ERIN CONSTRUCTION & DEVELOPMENT Filer BMB BUILDING CONSULTING INC.	PROPOSED SPRINKLER WORK IN CONJUNCTION TO GENERAL CONSTRUCTION WORKS. NO CHANGE IN USE, EGRESS AND OCCUPANCY.
M01089935 ↗	73 AVENUE C MANHATTAN	Alteration CO	Permit Issued	08/08/2024	05/04/2026	Owner Avenue C Tenants HDFC Contractor JV CONSTRUCTION CONSULT Filer BMB BUILDING CONSULTING INC.	Subsequent filing for proposed partial demo work and structural scope as per plan, filed in conjunction with GC # M01089935-I1.

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.

Person	Filings	Most recent
MICHAEL WALCH	7	04/22/2026

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
ROSENTHAL ENGINEERING PLLC	2	06/16/2026
OLD STRUCTURES ENGINEERING	1	06/07/2026
PETER TAUBERER, PE	1	06/07/2026

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
CARA PLUMBING GROUP INC	1	06/07/2026
CENTRAL AIR CONDITIONING	1	06/16/2026
EBM PLUMBING CORP	1	06/07/2026
ERIN CONSTRUCTION & DEVEL	1	06/16/2026
EXPERT FIRE SPRINKLER,LLC	1	06/07/2026
FIVE BOROUGH NYC LLC	1	06/16/2026
JV CONSTRUCTION & CONSULT	1	06/07/2026
RL MECHANICAL SERVICES	1	06/07/2026
VAND MECHANICAL INC	1	06/16/2026

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
Avenue C Tenants HDFC	1	06/07/2026

Who this entity's projects were filed with. Top 25 per group by shared jobs.

Name	Projects together	Most recent
BMB BUILDING CONSULTING INC.	2	06/16/2026

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 2

Any typeAlteration 1Alteration CO 1

2 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
S01092223 ↗	49 CLINTON AVENUE STATEN ISLAND	Alteration	Permit Issued	08/13/2024	08/27/2026	Contractor ERIN CONSTRUCTION & DEVELOPMENT Filer BMB BUILDING CONSULTING INC.	PROPOSED SPRINKLER WORK IN CONJUNCTION TO GENERAL CONSTRUCTION WORKS. NO CHANGE IN USE, EGRESS AND OCCUPANCY.
M01089935 ↗	73 AVENUE C MANHATTAN	Alteration CO	Permit Issued	08/08/2024	05/04/2026	Owner Avenue C Tenants HDFC Contractor JV CONSTRUCTION CONSULT Filer BMB BUILDING CONSULTING INC.	Subsequent filing for proposed partial demo work and structural scope as per plan, filed in conjunction with GC # M01089935-I1.

Scope of Work

HVAC — 2 projects · most recent 06/16/2026

Heating and Air Conditioning Systems Ventilation Systems

Sprinkler / Standpipe — 2 projects · most recent 06/16/2026

Sprinkler System

Plumbing — 2 projects · most recent 06/16/2026

Gas Water/Sanitary Storm

Electrical — 1 project · most recent 02/10/2026

No specific sub-scope on file — project count only.

Structural — 2 projects · most recent 06/16/2026

Steel Concrete Masonry Wood

Click a row for this entity's own projects, plans and documents at that building.

Building	Filings	Most Recent
49 CLINTON AVENUE ↗	6	04/22/2026

73 AVENUE C ↗	6	03/16/2026

▾Documents — 224 on file (BIS + DOB NOW)

▸Plans & Drawings34

▸DOB NOWPlans/Sketch34

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 34 on file for this type

▸Seals & Professional Certifications134

▸DOB NOWProgress Inspector Seal & Signature58

09/18/2026S01092223-P2 · 49 CLINTON AVENUEOpen ↗

Showing 3 of 58 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature42

09/18/2026S01092223-P2 · 49 CLINTON AVENUEOpen ↗

09/02/2026S01092223-S2 · 49 CLINTON AVENUEOpen ↗

Showing 3 of 42 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature34

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 34 on file for this type

▸Safety & Tenant Protection5

▸DOB NOWStreet Tree Checklist5

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 5 on file for this type

▸Environmental & Asbestos11

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form11

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 11 on file for this type

▸Approvals, Objections & Sign-offs35

▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter34

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 34 on file for this type

▸DOB NOWDEP Variance (V5) letter1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸Other Documents5

▸DOB NOWProperty Ownership Certification5

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 5 on file for this type

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