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Contractor
KOAN BUILDERS LLC
General Contractor
1 project with open permitsMANHATTAN · 3
1 building
10
Total Filings
3
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month3 projects all-time
0123Oct '22 · 1Nov '22 · 2Oct '22Nov '22
Portfolio status
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Open permit133%
Signed off267%
By project type
Alteration3
Most active buildings
All buildings →
500 WEST 207 STREETMANHATTAN · 1 open · latest 09/06/2024
3 projects
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Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M07995338 ↗500 WEST 207 STREET
MANHATTAN
AlterationPermit Issued11/03/202209/06/2024Mechanical work associated with the installation of a LULA elevator in an existing building from the Cellar level commercial space to the gr…
M07995371 ↗500 WEST 207 STREET
MANHATTAN
AlterationSigned-off10/07/202209/06/2024Structural and Foundation work associated with the installation of a LULA elevator in an existing building from the Cellar level commercial …
M07995315 ↗500 WEST 207 STREET
MANHATTAN
AlterationSigned-off11/02/202206/23/2023General construction for the installation of a LULA elevator in an existing building from the Cellar level commercial space to the ground le…
Counts cover all 3 projects (3 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
2LS CONSULTING ENGINEERING, DPC111/03/2022
CHRISTIE ENGINEERING, PC110/07/2022
CROWN ARCHITECTURE & CONSULT., DPC111/02/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JEP HOLDINGS CORP111/03/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CROWN DESIGN & CONSULTING111/03/2022
3 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 3Open permit 1Signed off 2
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M07995338 ↗500 WEST 207 STREET
MANHATTAN
AlterationPermit Issued11/03/202209/06/2024Mechanical work associated with the installation of a LULA elevator in an existing building from the Cellar level commercial space to the gr…
M07995371 ↗500 WEST 207 STREET
MANHATTAN
AlterationSigned-off10/07/202209/06/2024Structural and Foundation work associated with the installation of a LULA elevator in an existing building from the Cellar level commercial …
M07995315 ↗500 WEST 207 STREET
MANHATTAN
AlterationSigned-off11/02/202206/23/2023General construction for the installation of a LULA elevator in an existing building from the Cellar level commercial space to the ground le…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
500 WEST 207 STREET ↗1007/08/2026
▾Documents — 30 on file (BIS + DOB NOW)
▸Plans & Drawings3
▸DOB NOWPlans/Sketch3
▸Seals & Professional Certifications24
▸DOB NOWProgress Inspector Seal & Signature15
09/27/2026M07995315-I1 · 500 WEST 207 STREETOpen ↗
09/27/2026M07995315-I1 · 500 WEST 207 STREETOpen ↗
09/27/2026M07995315-I1 · 500 WEST 207 STREETOpen ↗
Showing 3 of 15 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature6
09/27/2026M07995315-I1 · 500 WEST 207 STREETOpen ↗
09/01/2026M07995338-I1 · 500 WEST 207 STREETOpen ↗
08/30/2026M07995371-I1 · 500 WEST 207 STREETOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature3
08/13/2026M07995315-I1 · 500 WEST 207 STREETOpen ↗
08/13/2026M07995338-I1 · 500 WEST 207 STREETOpen ↗
08/13/2026M07995371-I1 · 500 WEST 207 STREETOpen ↗
▸Environmental & Asbestos3
▸DOB NOWDEP ACP-5: Asbestos Assessment Report3
08/13/2026M07995371-I1 · 500 WEST 207 STREETOpen ↗
08/13/2026M07995338-I1 · 500 WEST 207 STREETOpen ↗
08/13/2026M07995315-I1 · 500 WEST 207 STREETOpen ↗