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Design Firm
LHOTSE CORP
Design
4 projects with open permitsMANHATTAN · 10
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10 buildings
15
Total Filings
10
Projects on File
10
Buildings Worked
4
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month10 projects all-time
0123Feb '24 · 1Apr '24 · 2Jul '24 · 1Aug '24 · 1Sep '24 · 1Oct '24 · 1Oct '25 · 1Apr '26 · 2Feb '24May '24Aug '24Nov '24Feb '25May '25Aug '25Nov '25Feb '26Apr '26
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit440%
Signed off660%
By project type
Alteration10
Most active buildings
All buildings →
1333 BROADWAYMANHATTAN · latest 04/10/2024
1 projects
1359 BROADWAYMANHATTAN · 1 open · latest 02/11/2025
1 projects
208 WEST 41 STREETMANHATTAN · latest 11/08/2024
1 projects
256 WEST 47 STREETMANHATTAN · latest 10/08/2025
1 projects
608 5 AVENUEMANHATTAN · 1 open · latest 11/08/2024
1 projects
689 5 AVENUEMANHATTAN · latest 08/12/2025
1 projects
Key relationships
Everyone →
Filing representatives
7 projects
Contractors
5 projects
People
All people →
ZBIGNIEW CHRZANOWSKIlatest 06/15/2026
15 filings
Filed under
LHOTSE CORP15
Identified by the contact ids of the people who file for the firm and by its email domain (ters.us.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01374798 ↗1440 MADISON AVENUE
MANHATTAN
AlterationPermit Issued04/02/202604/15/2026
Owner MOUNT SINAI HOSPITAL
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
Suspended Scaffold for Facade Restoration as Shown on Plans
M01381412 ↗909 3 AVENUE
MANHATTAN
AlterationPermit Issued04/02/202604/09/2026
Owner VORNADO REALTY TRUST
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
Suspended Scaffold for Facade Restoration as Shown on Plans
M01293852 ↗256 WEST 47 STREET
MANHATTAN
AlterationSigned-off10/01/202510/08/2025
Owner NEDERLANDER PRODUCING COMPANY
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
Suspended Scaffolding for Facade Restoration as shown on Plans
M01092101 ↗689 5 AVENUE
MANHATTAN
AlterationSigned-off08/21/202408/12/2025
Owner VORNADO REALTY TRUST
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
SUSPENDED SCAFFOLDING FOR FACADE RESTORATION AND MATERIAL HOSITING VIA OUTRIGGER BEAMS
M00988266 ↗1359 BROADWAY
MANHATTAN
AlterationPermit Issued02/14/202402/11/2025
Owner ESRT
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
FACADE RESTORATION VIA SUSPENDED SCAFFOLDING
M01030783 ↗608 5 AVENUE
MANHATTAN
AlterationPermit Issued04/09/202411/08/2024
Owner CBRE
Contractor LHOTSE CORP
Renewal for Facade Restoration via Suspended Scaffolds
Counts cover all 10 projects (10 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
ZBIGNIEW CHRZANOWSKI1506/15/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LHOTSE CORP506/16/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MOUNT SINAI HOSPITAL206/16/2026
NEDERLANDER PRODUCING COMPANY202/11/2026
VORNADO REALTY TRUST204/02/2026
CBRE110/29/2024
EMPIRE STATE REALTY TRUST104/09/2024
ESRT108/08/2024
THE STAHL ORGANIZATION109/26/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Rigging Consultants, Inc.706/16/2026
10 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 10Open permit 4Signed off 6
10 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01374798 ↗1440 MADISON AVENUE
MANHATTAN
AlterationPermit Issued04/02/202604/15/2026
Owner MOUNT SINAI HOSPITAL
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
Suspended Scaffold for Facade Restoration as Shown on Plans
M01381412 ↗909 3 AVENUE
MANHATTAN
AlterationPermit Issued04/02/202604/09/2026
Owner VORNADO REALTY TRUST
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
Suspended Scaffold for Facade Restoration as Shown on Plans
M01293852 ↗256 WEST 47 STREET
MANHATTAN
AlterationSigned-off10/01/202510/08/2025
Owner NEDERLANDER PRODUCING COMPANY
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
Suspended Scaffolding for Facade Restoration as shown on Plans
M01092101 ↗689 5 AVENUE
MANHATTAN
AlterationSigned-off08/21/202408/12/2025
Owner VORNADO REALTY TRUST
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
SUSPENDED SCAFFOLDING FOR FACADE RESTORATION AND MATERIAL HOSITING VIA OUTRIGGER BEAMS
M00988266 ↗1359 BROADWAY
MANHATTAN
AlterationPermit Issued02/14/202402/11/2025
Owner ESRT
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
FACADE RESTORATION VIA SUSPENDED SCAFFOLDING
M01030783 ↗608 5 AVENUE
MANHATTAN
AlterationPermit Issued04/09/202411/08/2024
Owner CBRE
Contractor LHOTSE CORP
Renewal for Facade Restoration via Suspended Scaffolds
M01131500 ↗208 WEST 41 STREET
MANHATTAN
AlterationSigned-off10/25/202411/08/2024
Owner NEDERLANDER PRODUCING COMPANY
Contractor LHOTSE CORP
Facade Restoration Via Suspended Scaffolding
M01117611 ↗340 EAST 57 STREET
MANHATTAN
AlterationSigned-off09/26/202410/03/2024
Owner THE STAHL ORGANIZATION
Contractor LHOTSE CORP
Facade Restoration Via Suspended Scaffolding
M01085627 ↗1425 MADISON AVENUE
MANHATTAN
AlterationSigned-off07/29/202408/09/2024
Owner MOUNT SINAI HOSPITAL
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
FACADE RESTORATION VIA SUSPENDED SCAFFOLDS
M01031533 ↗1333 BROADWAY
MANHATTAN
AlterationSigned-off04/09/202404/10/2024
Owner EMPIRE STATE REALTY TRUST
Contractor LHOTSE CORP
Filer Rigging Consultants, Inc.
Renewal for Facade Restoration via Suspended Scaffolds
Scope of Work
Earthwork — 1 project · most recent 02/11/2026
Suspended Scaffold
Suspended Scaffold — 3 projects · most recent 06/16/2026
Suspended Scaffold (SC)
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
1440 MADISON AVENUE ↗206/15/2026
909 3 AVENUE ↗104/01/2026
256 WEST 47 STREET ↗109/26/2025
689 5 AVENUE ↗303/21/2025
1425 MADISON AVENUE ↗210/30/2024
608 5 AVENUE ↗210/29/2024
208 WEST 41 STREET ↗110/23/2024
340 EAST 57 STREET ↗109/26/2024
1359 BROADWAY ↗108/07/2024
1333 BROADWAY ↗104/05/2024
▾Documents — 76 on file (BIS + DOB NOW)
▸Plans & Drawings18
▸DOB NOWPlans/Sketch18
08/27/2026M01030783-P1 · 608 5 AVENUERequest digital key ↗
08/27/2026M01030783-I1 · 608 5 AVENUERequest digital key ↗
08/27/2026M01030783-P2 · 608 5 AVENUERequest digital key ↗
Showing 3 of 18 on file for this type
▸Seals & Professional Certifications20
▸DOB NOWSpecial Inspector Seal & Signature20
09/25/2026M01092101-P2 · 689 5 AVENUEOpen ↗
09/25/2026M01092101-P2 · 689 5 AVENUEOpen ↗
09/23/2026M01117611-I1 · 340 EAST 57 STREETOpen ↗
Showing 3 of 20 on file for this type
▸Other Documents38
▸DOB NOWCalculations20
09/01/2026M01085627-I1 · 1425 MADISON AVENUEOpen ↗
08/26/2026M00988266-I1 · 1359 BROADWAYOpen ↗
08/18/2026M01374798-I1 · 1440 MADISON AVENUEOpen ↗
Showing 3 of 20 on file for this type
▸DOB NOWManufacturer's Specifications18
08/26/2026M00988266-I1 · 1359 BROADWAYOpen ↗
08/15/2026M01374798-P1 · 1440 MADISON AVENUEOpen ↗
08/13/2026M01374798-I1 · 1440 MADISON AVENUEOpen ↗
Showing 3 of 18 on file for this type