Tdc Construction Inc. — NYC General Contractor: DOB Permits, Filings & Buildings

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01448100 ↗	54 EAST 66 STREET MANHATTAN	Alteration	Permit Issued	08/21/2026	09/01/2026	Design Golden Ratio Engineering LLC Owner THE CASA GROUP Filer THE CASA GROUP	INSTALLATION OF TEMPORARY WEATHER WALLS
M01448083 ↗	54 EAST 66 STREET MANHATTAN	Alteration	Permit Issued	08/21/2026	08/25/2026	Design Golden Ratio Engineering LLC Owner THE CASA GROUP Filer THE CASA GROUP	INSTALLATION OF TEMPORARY PLYWOOD CONSTRUCTION FENCE
M01100520 ↗	975 PARK AVENUE MANHATTAN	Alteration	Permit Issued	05/13/2025	05/28/2026	Design JOHN IANNACITO ARCHITECT, PLLC Filer PROFESSIONAL SOLUTIONS	PROPOSED RENOVATION OF APARTMENT 3D AS PER PLANS, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M01134636 ↗	54 EAST 66 STREET MANHATTAN	ALT-CO - New Building with Existing Elements to Remain	Permit Issued	12/17/2024	05/28/2026	Design STUDIOSC ARCHITECTURE PLLC Filer BMB BUILDING CONSULTING INC.	Propose upgrading the existing building as non-combustible construction per the new building code and converting it from a two-family to a o…
M01384403 ↗	54 EAST 66 STREET MANHATTAN	Alteration	Permit Issued	04/16/2026	04/21/2026	Design PRAMODRAY SHAH, P.E. Owner THE CASA GROUP Filer THE CASA GROUP	INSTALLATION OF TEMPORARY PLYWOOD CONSTRUCTION FENCE
M01261308 ↗	185 GRAND STREET MANHATTAN	Alteration	Signed-off	07/29/2025	02/26/2026	Design ROSINI ENGINEERING, PC Owner MONTAGUE TERRACE DEVELOPMENT LLC Filer ADAM MAISER	INTERIOR RENOVATION OF FIRST FLOOR RETAIL & ASSOCIATED SPACE.

Counts cover all 9 projects (8 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.

Name	Projects together	Most recent
Golden Ratio Engineering LLC	2	08/21/2026
ROSINI ENGINEERING, PC	2	02/23/2026
THOMAS W HUT ARCHITECT PLLC	2	02/23/2026
ALL CITY ENGINEERING, P.C.	1	02/07/2026
JOHN IANNACITO ARCHITECT, PLLC	1	05/17/2026
M C STRUCTURAL ENGINEERING	1	02/07/2026
PRAMODRAY SHAH, P.E.	1	04/16/2026
STUDIOSC ARCHITECTURE PLLC	1	02/07/2026

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

Name	Projects together	Most recent
MMI PLUMBING & HEATING IN	1	02/07/2026
NONSTOP PLUMBERS CORP	1	02/23/2026

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

Name	Projects together	Most recent
MONTAGUE TERRACE DEVELOPMENT LLC	3	02/23/2026
THE CASA GROUP	3	08/21/2026

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

Name	Projects together	Most recent
ADAM MAISER	3	02/23/2026
THE CASA GROUP	3	08/21/2026
BMB BUILDING CONSULTING INC.	1	02/07/2026
PROFESSIONAL SOLUTIONS	1	05/17/2026

8 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 9Open permit 5Signed off 3Other status 1

Any typeAlteration 7ALT-CO - New Building with Existing Elements to Remain 1

9 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01448100 ↗	54 EAST 66 STREET MANHATTAN	Alteration	Permit Issued	08/21/2026	09/01/2026	Design Golden Ratio Engineering LLC Owner THE CASA GROUP Filer THE CASA GROUP	INSTALLATION OF TEMPORARY WEATHER WALLS
M01448083 ↗	54 EAST 66 STREET MANHATTAN	Alteration	Permit Issued	08/21/2026	08/25/2026	Design Golden Ratio Engineering LLC Owner THE CASA GROUP Filer THE CASA GROUP	INSTALLATION OF TEMPORARY PLYWOOD CONSTRUCTION FENCE
M01100520 ↗	975 PARK AVENUE MANHATTAN	Alteration	Permit Issued	05/13/2025	05/28/2026	Design JOHN IANNACITO ARCHITECT, PLLC Filer PROFESSIONAL SOLUTIONS	PROPOSED RENOVATION OF APARTMENT 3D AS PER PLANS, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
M01134636 ↗	54 EAST 66 STREET MANHATTAN	ALT-CO - New Building with Existing Elements to Remain	Permit Issued	12/17/2024	05/28/2026	Design STUDIOSC ARCHITECTURE PLLC Filer BMB BUILDING CONSULTING INC.	Propose upgrading the existing building as non-combustible construction per the new building code and converting it from a two-family to a o…
M01384403 ↗	54 EAST 66 STREET MANHATTAN	Alteration	Permit Issued	04/16/2026	04/21/2026	Design PRAMODRAY SHAH, P.E. Owner THE CASA GROUP Filer THE CASA GROUP	INSTALLATION OF TEMPORARY PLYWOOD CONSTRUCTION FENCE
M01261308 ↗	185 GRAND STREET MANHATTAN	Alteration	Signed-off	07/29/2025	02/26/2026	Design ROSINI ENGINEERING, PC Owner MONTAGUE TERRACE DEVELOPMENT LLC Filer ADAM MAISER	INTERIOR RENOVATION OF FIRST FLOOR RETAIL & ASSOCIATED SPACE.
123718227BIS	775 PARK AVENUE MANHATTAN	—	ISSUED	07/19/2021	11/26/2025	—	MH, OT, PL
M00902600 ↗	185 GRAND STREET MANHATTAN	Alteration	Signed-off	07/26/2023	09/11/2023	Design THOMAS W HUT ARCHITECT PLLC Owner MONTAGUE TERRACE DEVELOPMENT LLC Filer ADAM MAISER	interior renovation of first floor retail & ASSOCIATED SPACE
M00919529 ↗	185 GRAND STREET MANHATTAN	Alteration	Signed-off	08/23/2023	09/11/2023	Design ROSINI ENGINEERING, PC Owner MONTAGUE TERRACE DEVELOPMENT LLC Filer ADAM MAISER	INTERIOR RENOVATION OF FIRST FLOOR RETAIL & ASSOCIATED CELLAR SPACE

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

Building	Filings	Most Recent
54 EAST 66 STREET ↗	8	09/02/2026

975 PARK AVENUE ↗	2	07/08/2026

185 GRAND STREET ↗	4	07/08/2026

▾Documents — 163 on file (BIS + DOB NOW)

▸Plans & Drawings21

▸DOB NOWPlans/Sketch21

08/29/2026M00919529-I1 · 185 GRAND STREETRequest digital key ↗

08/28/2026M00902600-P1 · 185 GRAND STREETRequest digital key ↗

08/28/2026M00902600-I1 · 185 GRAND STREETRequest digital key ↗

Showing 3 of 21 on file for this type

▸Applications & Permits31

▸BISPLAN / WORK APPROVAL APPLICATION11

01/27/2025123718227 · 775 PARK AVENUEOpen ↗

04/09/2024123718227 · 775 PARK AVENUEOpen ↗

Showing 2 of 11 on file for this type

▸DOB NOWLPC Approval/Permit11

08/22/2026M01448100-I1 · 54 EAST 66 STREETOpen ↗

08/17/2026M01100520-P1 · 975 PARK AVENUEOpen ↗

08/13/2026M01100520-I1 · 975 PARK AVENUEOpen ↗

Showing 3 of 11 on file for this type

▸BISWORK PERMIT APPLICATION9

11/26/2025123718227 · 775 PARK AVENUEOpen ↗

Showing 1 of 9 on file for this type

▸Zoning, Tax Lot & Property Records2

▸DOB NOWZD1: DOB Zoning Diagram1

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

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▸DOB NOWHouse Number Verification: TOPO Stamp1

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

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▸Seals & Professional Certifications60

▸DOB NOWProgress Inspector Seal & Signature24

09/23/2026M01448100-I1 · 54 EAST 66 STREETOpen ↗

09/01/2026M00919529-I1 · 185 GRAND STREETOpen ↗

Showing 3 of 24 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature20

08/29/2026M00919529-I1 · 185 GRAND STREETOpen ↗

08/22/2026M01448100-I1 · 54 EAST 66 STREETOpen ↗

08/22/2026M01448083-I1 · 54 EAST 66 STREETOpen ↗

Showing 3 of 20 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature12

09/23/2026M01261308-S1 · 185 GRAND STREETOpen ↗

09/01/2026M00919529-I1 · 185 GRAND STREETOpen ↗

09/01/2026M01134636-I1 · 54 EAST 66 STREETOpen ↗

Showing 3 of 12 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4

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

Showing 0 of 4 on file for this type

▸Trade Schedules & Equipment5

▸BISSCHEDULE B - PLUMBING3

01/27/2025123718227 · 775 PARK AVENUEOpen ↗

04/09/2024123718227 · 775 PARK AVENUEOpen ↗

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▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE1

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

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▸BISPLUMBING - SUPPORTING DOCUMENTATION1

10/14/2025123718227 · 775 PARK AVENUEOpen ↗

▸Safety & Tenant Protection1

▸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 & Asbestos13

▸DOB NOWDEP ACP-5: Asbestos Assessment Report12

08/22/2026M01448100-I1 · 54 EAST 66 STREETOpen ↗

08/17/2026M01100520-P1 · 975 PARK AVENUEOpen ↗

08/13/2026M01100520-I1 · 975 PARK AVENUEOpen ↗

Showing 3 of 12 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

▸Energy Compliance1

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY1

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 Reports5

▸BISTECHNICAL REPORT: RESPONSIBILITY2

01/06/2026123718227 · 775 PARK AVENUEOpen ↗

Showing 1 of 2 on file for this type

▸BISPOST-INSTALLED ANCHORS1

11/04/2025123718227 · 775 PARK AVENUEOpen ↗

▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1

11/04/2025123718227 · 775 PARK AVENUEOpen ↗

▸BISMECHANICAL SYSTEMS1

11/04/2025123718227 · 775 PARK AVENUEOpen ↗

▸Approvals, Objections & Sign-offs7

▸BISSUPERSEDING LETTER3

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

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▸BISLANDMARKS APPROVAL2

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

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▸BISFINAL1

11/04/2025123718227 · 775 PARK AVENUEOpen ↗

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

01/06/2026123718227 · 775 PARK AVENUEOpen ↗

▸Cost, Insurance & Ownership4

▸BISCOST AFFIDAVIT3

01/06/2026123718227 · 775 PARK AVENUEOpen ↗

Showing 1 of 3 on file for this type

▸BISCOST AFFIDAVIT (FINAL): PW31

01/06/2026123718227 · 775 PARK AVENUEOpen ↗

▸Filing & Intake Forms10

▸BISADDITIONAL INFORMATION5

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

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▸BISBOROUGH INTAKE FORM3

11/26/2025123718227 · 775 PARK AVENUEOpen ↗

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▸BISEFILING COVER SHEET2

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▸Other Documents3

▸DOB NOWProperty Ownership Certification1

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

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▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1

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

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▸DOB NOWSite Survey: Initial1

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