Montblanc North America — Named in NYC Filed Documents: Projects, Floors & Buildings

Tenant

Montblanc North America

Tenant · filed under 3 names

MANHATTAN · 6

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1 building

Total Filings

Projects on File

Buildings Worked

Projects w/ Open Permits

Tenant

Primary Trade

Activity

Projects by first filing month6 projects all-time

bars = month · line = 3-mo average

Portfolio status

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Signed off6100%

By project type

Alteration6

Most active buildings

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635 MADISON AVENUEMANHATTAN · latest 05/14/2026

6 projects

Key relationships

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Design firms

E4P Consulting Engineering

4 projects

Atmosphere Design & Architects

2 projects

Filing representatives

Atmosphere Design & Architects

1 projects

Contractors

Tectonic Builders

3 projects

Practical Plumbing & Heating

2 projects

National Maintenance

1 projects

Owners

Ironwood Realty

4 projects

Filed under

Montblanc North America3Montblanc North America2Montblanc1

Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.

Most recent projects

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Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01367436 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	03/24/2026	05/14/2026	Design E4P CONSULTING ENGINEERING PLLC Contractor TECTONIC BUILDERS INC	Replace existing condensing unit in kind
M00452648 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	01/28/2021	03/01/2021	Design ATMOSPHERE DESIGN & ARCH PLLC Owner IRONWOOD REALTY CORP Contractor NATIONAL MAINTENANCE, INC Filer ATMOSPHERE DESIGN & ARCH PLLC	Installation of new storefront signage for Montblanc on ground level of Madison Ave and 59th St facades
M00420023 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	11/10/2020	11/17/2020	Design E4P CONSULTING ENGINEERING PLLC Owner IRONWOOD REALTY CORP Contractor TECTONIC BUILDERS INC Filer OUTSOURCE CONSULTANTS, INC.	Mechanical modifications and associated duct work as per plans. No change in use egress or occupancy.
M00420169 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	11/10/2020	11/17/2020	Design E4P CONSULTING ENGINEERING PLLC Owner IRONWOOD REALTY CORP Contractor PRACTICAL PLBG & HTG INC Filer OUTSOURCE CONSULTANTS, INC.	Sprinkler modifications as per plans. No change in use egress or occupancy.
M00420416 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	11/10/2020	11/12/2020	Design E4P CONSULTING ENGINEERING PLLC Owner IRONWOOD REALTY CORP Contractor PRACTICAL PLBG & HTG INC Filer OUTSOURCE CONSULTANTS, INC.	Plumbing modifications as per plans. No change in use egress or occupancy.
M00413073 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	10/19/2020	10/21/2020	Design ATMOSPHERE DESIGN & ARCH PLLC Contractor TECTONIC BUILDERS INC	New metal stud and plywood temporary construction fence on Madison Ave and 59th St.

Counts cover all 6 projects (6 DOB NOW). 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
E4P Consulting Engineering	4	03/24/2026
Atmosphere Design & Architects	2	01/28/2021

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

Name	Projects together	Most recent
Tectonic Builders	3	03/24/2026
Practical Plumbing & Heating	2	11/10/2020
National Maintenance	1	01/28/2021

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

Name	Projects together	Most recent
Ironwood Realty	4	01/28/2021

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

Name	Projects together	Most recent
Atmosphere Design & Architects	1	01/28/2021

6 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 6Signed off 6

6 projects

Project	Address	Type	Status	Filed	Latest permit	On the project	Description
M01367436 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	03/24/2026	05/14/2026	Design E4P CONSULTING ENGINEERING PLLC Contractor TECTONIC BUILDERS INC	Replace existing condensing unit in kind
M00452648 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	01/28/2021	03/01/2021	Design ATMOSPHERE DESIGN & ARCH PLLC Owner IRONWOOD REALTY CORP Contractor NATIONAL MAINTENANCE, INC Filer ATMOSPHERE DESIGN & ARCH PLLC	Installation of new storefront signage for Montblanc on ground level of Madison Ave and 59th St facades
M00420023 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	11/10/2020	11/17/2020	Design E4P CONSULTING ENGINEERING PLLC Owner IRONWOOD REALTY CORP Contractor TECTONIC BUILDERS INC Filer OUTSOURCE CONSULTANTS, INC.	Mechanical modifications and associated duct work as per plans. No change in use egress or occupancy.
M00420169 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	11/10/2020	11/17/2020	Design E4P CONSULTING ENGINEERING PLLC Owner IRONWOOD REALTY CORP Contractor PRACTICAL PLBG & HTG INC Filer OUTSOURCE CONSULTANTS, INC.	Sprinkler modifications as per plans. No change in use egress or occupancy.
M00420416 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	11/10/2020	11/12/2020	Design E4P CONSULTING ENGINEERING PLLC Owner IRONWOOD REALTY CORP Contractor PRACTICAL PLBG & HTG INC Filer OUTSOURCE CONSULTANTS, INC.	Plumbing modifications as per plans. No change in use egress or occupancy.
M00413073 ↗	635 MADISON AVENUE MANHATTAN	Alteration	Signed-off	10/19/2020	10/21/2020	Design ATMOSPHERE DESIGN & ARCH PLLC Contractor TECTONIC BUILDERS INC	New metal stud and plywood temporary construction fence on Madison Ave and 59th St.