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Entity
Effy Group
Tenant
1 project with open permitsMANHATTAN · 4
1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month4 projects all-time
0112Jan '23 · 1Dec '23 · 1Feb '24 · 1Mar '25 · 1Jan '23Apr '23Jul '23Oct '23Jan '24Apr '24Jul '24Oct '24Jan '25Mar '25
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit125%
Signed off375%
By project type
Alteration4
Most active buildings
All buildings →
145 WEST 45 STREETMANHATTAN · 1 open · latest 01/08/2026
4 projects
Key relationships
Everyone →
Design firms
4 projects
Filing representatives
2 projects
Contractors
2 projects
1 projects
1 projects
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01187703 ↗145 WEST 45 STREET
MANHATTAN
AlterationPermit Issued03/04/202501/08/2026
Design HT ASSOCIATES
Contractor METAKEN VENTURES LLC
FILING FOR INTERIOR RENOVATION FOR THE BUILT-OUT OF NEW OFFICE SPACE ON THE 9TH FLOOR. WORK TO INCLUDE AND NOT LIMITED TO PARTITIONS, DOORS,…
M00970109 ↗145 WEST 45 STREET
MANHATTAN
AlterationSigned-off12/01/202302/03/2025
Design HT ASSOCIATES
Owner 550 STEWART ACQUISITION LLC
Contractor BLETSAS P&H CORP
Filer HAOTIAN & ASSOCIATES INC.
PROPOSED INTERIOR FIT OUT OF EXISTING COMMERCIAL SPACE FROM 7TH TO 8TH FLOOR, WORK INVOLVING INTERIOR PARTITION, PLUMBING & MECHANICAL WORK …
M00908586 ↗145 WEST 45 STREET
MANHATTAN
AlterationSigned-off02/21/202412/13/2024
Design HT ASSOCIATES
Owner 550 STEWART ACQUISITION LLC
Contractor WHARTON SMITH CONSTRUCTI*
INTERIOR RENOVATION FOR OFFICE SPACE
M00811579 ↗145 WEST 45 STREET
MANHATTAN
AlterationSigned-off01/13/202307/29/2023
Design HT ASSOCIATES
Owner 550 STEWART ACQUISITION LLC
Contractor SHARI DECOR LLC
Filer HAOTIAN & ASSOCIATES INC.
FILE HEREWITH MECHANICAL WORK AS PER PLAN AT EXISTING COMMERCIAL BUILDING @ 10TH FLOOR AND 11TH FLOOR. NO CHANGE TO USE,EGRESS OR OCCUPANCY.
Counts cover all 4 projects (4 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
HT ASSOCIATES403/04/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SHARI DECOR LLC201/08/2025
FLINT MECHANICAL CORP101/08/2025
METAKEN VENTURES LLC103/04/2025
MT ENERGY INC101/08/2025
WHARTON SMITH CONSTRUCTI*102/17/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
550 STEWART ACQUISITION LLC302/17/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HAOTIAN & ASSOCIATES INC.201/08/2025
4 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 4Open permit 1Signed off 3
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01187703 ↗145 WEST 45 STREET
MANHATTAN
AlterationPermit Issued03/04/202501/08/2026
Design HT ASSOCIATES
Contractor METAKEN VENTURES LLC
FILING FOR INTERIOR RENOVATION FOR THE BUILT-OUT OF NEW OFFICE SPACE ON THE 9TH FLOOR. WORK TO INCLUDE AND NOT LIMITED TO PARTITIONS, DOORS,…
M00970109 ↗145 WEST 45 STREET
MANHATTAN
AlterationSigned-off12/01/202302/03/2025
Design HT ASSOCIATES
Owner 550 STEWART ACQUISITION LLC
Contractor BLETSAS P&H CORP
Filer HAOTIAN & ASSOCIATES INC.
PROPOSED INTERIOR FIT OUT OF EXISTING COMMERCIAL SPACE FROM 7TH TO 8TH FLOOR, WORK INVOLVING INTERIOR PARTITION, PLUMBING & MECHANICAL WORK …
M00908586 ↗145 WEST 45 STREET
MANHATTAN
AlterationSigned-off02/21/202412/13/2024
Design HT ASSOCIATES
Owner 550 STEWART ACQUISITION LLC
Contractor WHARTON SMITH CONSTRUCTI*
INTERIOR RENOVATION FOR OFFICE SPACE
M00811579 ↗145 WEST 45 STREET
MANHATTAN
AlterationSigned-off01/13/202307/29/2023
Design HT ASSOCIATES
Owner 550 STEWART ACQUISITION LLC
Contractor SHARI DECOR LLC
Filer HAOTIAN & ASSOCIATES INC.
FILE HEREWITH MECHANICAL WORK AS PER PLAN AT EXISTING COMMERCIAL BUILDING @ 10TH FLOOR AND 11TH FLOOR. NO CHANGE TO USE,EGRESS OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
145 WEST 45 STREET ↗403/04/2025
▾Documents — 49 on file (BIS + DOB NOW)
▸Plans & Drawings11
▸DOB NOWPlans/Sketch11
09/01/2026M00811579-P1 · 145 WEST 45 STREETRequest digital key ↗
09/01/2026M00811579-I1 · 145 WEST 45 STREETRequest digital key ↗
08/27/2026M00908586-P1 · 145 WEST 45 STREETRequest digital key ↗
Showing 3 of 11 on file for this type
▸Seals & Professional Certifications26
▸DOB NOWDPL-1: Design Professional Seal & Signature12
09/01/2026M00811579-P1 · 145 WEST 45 STREETOpen ↗
09/01/2026M00811579-I1 · 145 WEST 45 STREETOpen ↗
08/27/2026M00908586-P2 · 145 WEST 45 STREETOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWProgress Inspector Seal & Signature8
08/27/2026M00908586-I1 · 145 WEST 45 STREETOpen ↗
08/27/2026M00908586-I1 · 145 WEST 45 STREETOpen ↗
08/25/2026M00970109-P1 · 145 WEST 45 STREETOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
08/27/2026M00908586-I1 · 145 WEST 45 STREETOpen ↗
08/25/2026M00970109-P1 · 145 WEST 45 STREETOpen ↗
Showing 2 of 6 on file for this type
▸Environmental & Asbestos12
▸DOB NOWDEP ACP-5: Asbestos Assessment Report12
09/01/2026M00811579-P1 · 145 WEST 45 STREETOpen ↗
09/01/2026M00811579-I1 · 145 WEST 45 STREETOpen ↗
08/27/2026M00908586-P1 · 145 WEST 45 STREETOpen ↗
Showing 3 of 12 on file for this type