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Design Firm
HYL ARCHITECTURE
Design
5 projects with open permitsMANHATTAN · 13
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4 buildings
16
Total Filings
13
Projects on File
4
Buildings Worked
5
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month13 projects all-time
0134Nov '23 · 2Nov '24 · 2Dec '24 · 3Jan '25 · 3Mar '25 · 1May '25 · 1Mar '26 · 1Nov '23Feb '24May '24Aug '24Nov '24Feb '25May '25Aug '25Nov '25Feb '26Mar '26
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit538%
Signed off646%
Filed only215%
By project type
Alteration9
Alteration CO2
No Work2
Most active buildings
All buildings →
1177 AVENUE OF THE AMERMANHATTAN · 3 open · latest 08/19/2025
6 projects
49 WEST 52 STREETMANHATTAN · 1 open · latest 05/23/2025
5 projects
1251 AVENUE OF THE AMERMANHATTAN · 1 open · latest 03/20/2026
1 projects
250 WEST 55 STREETMANHATTAN · latest 11/27/2023
1 projects
Key relationships
Everyone →
Design firms
1 projects
Filing representatives
2 projects
2 projects
1 projects
People
All people →
ANTONY YENlatest 02/23/2026
5 filings
Filed under
HYL ARCHITECTURE16
Identified by the contact ids of the people who file for the firm and by its email domain (hylarch.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01363407 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/13/202603/20/2026
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Minor interior demolition. Installation of new interior partitions, suspended ceilings, flooring and finishes on the 25-26 and 28th Floor as…
M01133369 ↗1177 AVENUE OF THE AMER
MANHATTAN
Alteration COPermit Issued01/22/202508/19/2025
Owner SILVERSTEIN PROPERTIES INC.
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
INTERIOR ALTERATION OF FULL TENANT FIT-OUT TO INCLUDE RECEPTION, MEETING ROOMS, PANTRIES, OUTDOOR TERRACE, AND STORAGE AREAS.
M01182354 ↗49 WEST 52 STREET
MANHATTAN
No WorkFiled — no permit on record05/23/2025———
M01168695 ↗49 WEST 52 STREET
MANHATTAN
Alteration COPermit Issued03/03/202505/15/2025
Contractor AMERICON CONSTRUCTION INC.
Filer BROOKBRIDGE CONSULTING
Installation of partitions and doors on 5th floor to introduce a new PA at terrace. Increase in occupancy load at 7th & 8th floors with no c…
M01167588 ↗49 WEST 52 STREET
MANHATTAN
AlterationSigned-off01/30/202502/05/2025
Contractor AMERICON CONSTRUCTION INC.
Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 6th & 9th floors (WSGR) as per plans. No…
M01168208 ↗49 WEST 52 STREET
MANHATTAN
AlterationSigned-off01/30/202502/04/2025
Contractor AMERICON CONSTRUCTION INC.
Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 5th, 7th & 8th floors (WSGR) as per plan…
Counts cover all 13 projects (13 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
ANTONY YEN502/23/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AMA CONSULTING ENGINEERS, PC111/21/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
STRUCTURE TONE, LLC603/13/2026
AMERICON CONSTRUCTION INC403/03/2025
AGGRESSIVE FIRE PROT LLC111/21/2023
ICON INTERIORS INC111/21/2023
TRISTATE PLBG SVCS CORP111/21/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SILVERSTEIN PROPERTIES INC.201/22/2025
1251 AMERICAS ASSOCIATES II, L.P.103/13/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
A1 EXPEDITING SERVICE CORP.201/22/2025
RIZZO GROUP203/13/2026
BROOKBRIDGE CONSULTING103/03/2025
13 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 13Open permit 5Signed off 6Filed only 2
Any typeAlteration 9Alteration CO 2No Work 2
13 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01363407 ↗1251 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued03/13/202603/20/2026
Owner 1251 AMERICAS ASSOCIATES II, L.P.
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Minor interior demolition. Installation of new interior partitions, suspended ceilings, flooring and finishes on the 25-26 and 28th Floor as…
M01133369 ↗1177 AVENUE OF THE AMER
MANHATTAN
Alteration COPermit Issued01/22/202508/19/2025
Owner SILVERSTEIN PROPERTIES INC.
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
INTERIOR ALTERATION OF FULL TENANT FIT-OUT TO INCLUDE RECEPTION, MEETING ROOMS, PANTRIES, OUTDOOR TERRACE, AND STORAGE AREAS.
M01182354 ↗49 WEST 52 STREET
MANHATTAN
No WorkFiled — no permit on record05/23/2025———
M01168695 ↗49 WEST 52 STREET
MANHATTAN
Alteration COPermit Issued03/03/202505/15/2025
Contractor AMERICON CONSTRUCTION INC.
Filer BROOKBRIDGE CONSULTING
Installation of partitions and doors on 5th floor to introduce a new PA at terrace. Increase in occupancy load at 7th & 8th floors with no c…
M01167588 ↗49 WEST 52 STREET
MANHATTAN
AlterationSigned-off01/30/202502/05/2025
Contractor AMERICON CONSTRUCTION INC.
Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 6th & 9th floors (WSGR) as per plans. No…
M01168208 ↗49 WEST 52 STREET
MANHATTAN
AlterationSigned-off01/30/202502/04/2025
Contractor AMERICON CONSTRUCTION INC.
Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the 5th, 7th & 8th floors (WSGR) as per plan…
M01132077 ↗1177 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued12/17/202412/20/2024
Owner SILVERSTEIN PROPERTIES INC.
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Interior alteration of full tenant fit-out to include private offices, open workstation areas, meeting rooms, pantries and storage areas.
M01129195 ↗1177 AVENUE OF THE AMER
MANHATTAN
AlterationPermit Issued12/17/202412/19/2024
Contractor STRUCTURE TONE, LLC
Interior alteration of full tenant fit-out to include private offices, open workstation areas, meeting rooms, pantries and storage areas.
M01146053 ↗1177 AVENUE OF THE AMER
MANHATTAN
No WorkFiled — no permit on record12/17/2024———
M01136313 ↗1177 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off11/19/202412/04/2024
Contractor STRUCTURE TONE, LLC
Removal of non load bearing partitions as per plans filed herewith.
M01136732 ↗1177 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off11/08/202412/04/2024
Contractor STRUCTURE TONE, LLC
Removal of non load bearing partitions as per plans filed herewith.
M00940966 ↗49 WEST 52 STREET
MANHATTAN
AlterationSigned-off11/21/202303/11/2024
Contractor AMERICON CONSTRUCTION INC.
Filer RIZZO GROUP
Modifications to the existing sprinkler and standpipe systems on the 9th floor (WSGR- Phase 1) as per plans. No change to use, egress or occ…
M00956936 ↗250 WEST 55 STREET
MANHATTAN
AlterationSigned-off11/21/202311/27/2023
Contractor ICON INTERIORS INC
General program re stacking of existing offices to include interior partitions, ceilings, doors and finishes as shown on plans filed herewit…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
1251 AVENUE OF THE AMER ↗102/23/2026
49 WEST 52 STREET ↗601/17/2025
1177 AVENUE OF THE AMER ↗810/28/2024
250 WEST 55 STREET ↗1—
▾Documents — 94 on file (BIS + DOB NOW)
▸Plans & Drawings22
▸DOB NOWPlans/Sketch18
08/28/2026M00940966-S1 · 49 WEST 52 STREETRequest digital key ↗
08/28/2026M00940966-S2 · 49 WEST 52 STREETRequest digital key ↗
08/28/2026M00940966-I1 · 49 WEST 52 STREETRequest digital key ↗
Showing 3 of 18 on file for this type
▸DOB NOWPlans/Sketch - Place of Assembly4
08/23/2026M01182354-P1 · 49 WEST 52 STREETRequest digital key ↗
08/23/2026M01182354-I1 · 49 WEST 52 STREETRequest digital key ↗
08/15/2026M01146053-P2 · 1177 AVENUE OF THE AMERRequest digital key ↗
Showing 3 of 4 on file for this type
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026M01133369-I1 · 1177 AVENUE OF THE AMEROpen ↗
▸Seals & Professional Certifications51
▸DOB NOWDPL-1: Design Professional Seal & Signature20
08/28/2026M00940966-S4 · 49 WEST 52 STREETOpen ↗
08/28/2026M00940966-I1 · 49 WEST 52 STREETOpen ↗
08/28/2026M00940966-S1 · 49 WEST 52 STREETOpen ↗
Showing 3 of 20 on file for this type
▸DOB NOWProgress Inspector Seal & Signature19
09/27/2026M00940966-I1 · 49 WEST 52 STREETOpen ↗
09/27/2026M00940966-I1 · 49 WEST 52 STREETOpen ↗
09/05/2026M01146053-P2 · 1177 AVENUE OF THE AMEROpen ↗
Showing 3 of 19 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature12
09/27/2026M00940966-I1 · 49 WEST 52 STREETOpen ↗
09/27/2026M00940966-I1 · 49 WEST 52 STREETOpen ↗
09/01/2026M00956936-I1 · 250 WEST 55 STREETOpen ↗
Showing 3 of 12 on file for this type
▸Safety & Tenant Protection3
▸DOB NOWStreet Tree Checklist3
08/25/2026M01133369-P2 · 1177 AVENUE OF THE AMEROpen ↗
08/13/2026M01168695-I1 · 49 WEST 52 STREETOpen ↗
08/13/2026M01133369-I1 · 1177 AVENUE OF THE AMEROpen ↗
▸Environmental & Asbestos15
▸DOB NOWDEP ACP-5: Asbestos Assessment Report15
08/28/2026M00940966-I1 · 49 WEST 52 STREETOpen ↗
08/28/2026M00940966-S4 · 49 WEST 52 STREETOpen ↗
08/28/2026M00940966-S1 · 49 WEST 52 STREETOpen ↗
Showing 3 of 15 on file for this type
▸Other Documents2
▸DOB NOWProperty Ownership Certification2
08/25/2026M01133369-P2 · 1177 AVENUE OF THE AMEROpen ↗
08/14/2026M01133369-I1 · 1177 AVENUE OF THE AMEROpen ↗