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Entity
Service Now
Tenant
MANHATTAN · 8
1 building
8
Total Filings
8
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month8 projects all-time
0134Feb '23 · 1Jun '23 · 1Oct '25 · 3Nov '25 · 2Dec '25 · 120242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off788%
Filed only112%
By project type
Alteration7
No Work1
Most active buildings
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427 10 AVENUEMANHATTAN · latest 12/18/2025
8 projects
Key relationships
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Filing representatives
6 projects
1 projects
Contractors
6 projects
1 projects
1 projects
1 projects
Owners
7 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01279053 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off12/08/202512/18/2025
Design THORNTON TOMASETTI
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Create a slab opening and install new steel stairs on the 74th floor Marketing (54th floor Construction) as per plans filed herewith. No cha…
M01279039 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off11/18/202511/20/2025
Design MMOSER ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Interior renovations on the 74th floor Marketing (54th floor Construction) as per plans filed herewith. No change of Use, Occupancy, or Egre…
M01279134 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off11/13/202511/14/2025
Design COSENTINI ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Mechanical modifications on the 74th floor Marketing (54th floor Construction) as per plans filed herewith. No change of Use, Occupancy, or …
M01266810 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off10/17/202510/22/2025
Design COSENTINI ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Mechanical modifications as per plans filed herewith. No change in use, egress, or occupancy.
M01266781 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off10/15/202510/20/2025
Design THORNTON TOMASETTI
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Provide supplemental steel support for the operable partition as per plans filed herewith. No change of Use, Occupancy, or Egress.
M01266776 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off10/09/202510/16/2025
Design MMOSER ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Interior renovations as per plans filed herewith. No change to use, egress or occupancy.
Counts cover all 8 projects (8 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.
NameProjects togetherMost recent
COSENTINI ASSOCIATES204/20/2026
F+P ARCHITECTS NEW YORK INC.209/12/2023
MMOSER ASSOCIATES211/18/2025
THORNTON TOMASETTI212/08/2025
WSP109/12/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
STRUCTURE TONE, LLC604/20/2026
DEMAR PLUMBING CORP109/12/2023
OCGP LLC109/12/2023
PRIME SPRINKLER CORP109/12/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
50 HYMC OWNER LLC704/20/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
A1 EXPEDITING SERVICE CORP.604/20/2026
RELATED COMPANIES109/12/2023
8 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 8Signed off 7Filed only 1
Any typeAlteration 7No Work 1
8 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01279053 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off12/08/202512/18/2025
Design THORNTON TOMASETTI
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Create a slab opening and install new steel stairs on the 74th floor Marketing (54th floor Construction) as per plans filed herewith. No cha…
M01279039 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off11/18/202511/20/2025
Design MMOSER ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Interior renovations on the 74th floor Marketing (54th floor Construction) as per plans filed herewith. No change of Use, Occupancy, or Egre…
M01279134 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off11/13/202511/14/2025
Design COSENTINI ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Mechanical modifications on the 74th floor Marketing (54th floor Construction) as per plans filed herewith. No change of Use, Occupancy, or …
M01266810 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off10/17/202510/22/2025
Design COSENTINI ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Mechanical modifications as per plans filed herewith. No change in use, egress, or occupancy.
M01266781 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off10/15/202510/20/2025
Design THORNTON TOMASETTI
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Provide supplemental steel support for the operable partition as per plans filed herewith. No change of Use, Occupancy, or Egress.
M01266776 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off10/09/202510/16/2025
Design MMOSER ASSOCIATES
Owner 50 HYMC OWNER LLC
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Interior renovations as per plans filed herewith. No change to use, egress or occupancy.
M00822121 ↗427 10 AVENUE
MANHATTAN
AlterationSigned-off02/01/202309/14/2023
Design F+P ARCHITECTS NEW YORK INC.
Owner 50 HYMC OWNER LLC
Contractor OCGP LLC
Filer RELATED COMPANIES
STANDPIPE WORK ASSOCIATED WITH AN INTERIOR RENOVATION TO INITIALLY FIT OUT THE NORTH SIDE OF AN OFFICE FLOOR AS PER PLANS FILED HEREWITH. NO…
M00891141 ↗427 10 AVENUE
MANHATTAN
No WorkFiled — no permit on record06/28/2023—
Design F+P ARCHITECTS NEW YORK INC.
—
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
427 10 AVENUE ↗804/20/2026
▾Documents — 90 on file (BIS + DOB NOW)
▸Plans & Drawings17
▸DOB NOWPlans/Sketch15
08/31/2026M00822121-P1 · 427 10 AVENUERequest digital key ↗
08/31/2026M00822121-P2 · 427 10 AVENUERequest digital key ↗
08/31/2026M00822121-S3 · 427 10 AVENUERequest digital key ↗
Showing 3 of 15 on file for this type
▸DOB NOWPlans/Sketch - Place of Assembly2
08/30/2026M00891141-P1 · 427 10 AVENUERequest digital key ↗
08/30/2026M00891141-I1 · 427 10 AVENUERequest digital key ↗
▸Applications & Permits1
▸DOB NOWHPD Certification Letter or CPC Special Permit1
08/13/2026M01279039-I1 · 427 10 AVENUEOpen ↗
▸Seals & Professional Certifications45
▸DOB NOWProgress Inspector Seal & Signature17
09/23/2026M01279134-I1 · 427 10 AVENUEOpen ↗
09/23/2026M01279134-I1 · 427 10 AVENUEOpen ↗
09/19/2026M00891141-I1 · 427 10 AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature16
08/31/2026M00822121-P1 · 427 10 AVENUEOpen ↗
08/31/2026M00822121-S3 · 427 10 AVENUEOpen ↗
08/31/2026M00822121-P3 · 427 10 AVENUEOpen ↗
Showing 3 of 16 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature12
09/23/2026M01279134-I1 · 427 10 AVENUEOpen ↗
09/02/2026M00822121-S3 · 427 10 AVENUEOpen ↗
08/29/2026M01266810-I1 · 427 10 AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWCertificate of No Harassment1
08/13/2026M01279039-I1 · 427 10 AVENUEOpen ↗
▸Environmental & Asbestos22
▸DOB NOWOER: Notice to Proceed11
08/17/2026M01266810-I1 · 427 10 AVENUEOpen ↗
08/13/2026M01279039-I1 · 427 10 AVENUEOpen ↗
08/13/2026M01266781-I1 · 427 10 AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸DOB NOWOER: Notice of Satisfaction11
08/17/2026M01266810-I1 · 427 10 AVENUEOpen ↗
08/13/2026M01279039-I1 · 427 10 AVENUEOpen ↗
08/13/2026M01266776-I1 · 427 10 AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸Other Documents4
▸DOB NOWAlternate Plan 22
08/30/2026M00891141-P1 · 427 10 AVENUEOpen ↗
08/30/2026M00891141-I1 · 427 10 AVENUEOpen ↗
▸DOB NOWAlternate Plan 12
08/30/2026M00891141-P1 · 427 10 AVENUEOpen ↗
08/30/2026M00891141-I1 · 427 10 AVENUEOpen ↗