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Entity
Muhlenberg Branch Library
Tenant
MANHATTAN · 4
1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month4 projects all-time
0112May '20 · 1Aug '21 · 1Jan '23 · 1Mar '23 · 1202120222023
bars = month · line = 3-mo average
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Signed off4100%
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Alteration4
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209 WEST 23 STREETMANHATTAN · latest 12/27/2024
4 projects
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Filing representatives
2 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00634093 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off01/10/202312/27/2024
Design LOUIS BERGER
Contractor C. D. E. AIR-CONDITIONING
Architectural changes (Vault Repair) on the 1st floor & cellar as indicated on drawings.
M00626343 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off03/02/202302/07/2024
Design SYSKA HENNESSY GROUP
Contractor I.M.P. PLBG. & HTG. CORP
Plumbing changes (vault repair) on the 1st floor & cellar as indicated on drawings.
M00558112 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off08/19/202106/14/2023
Design YSRAEL A. SEINUK, P.C.
Contractor C. D. E. AIR-CONDITIONING
Filer LORING CONSULTING ENGINEERS, INC,
miscellaneous housekeeping pads in basement; structural dunnage support for RTU on roof
M00245346 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off05/11/202005/05/2023
Design LORING CONSULTING ENGINEERS, INC.
Contractor C. D. E. AIR-CONDITIONING
Filer LORING CONSULTING ENGINEERS, INC,
replacement of existing rooftop HVAC and split system air ac units and all new controls.
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
LORING CONSULTING ENGINEERS, INC.104/29/2024
LOUIS BERGER101/10/2023
SYSKA HENNESSY GROUP103/02/2023
YSRAEL A. SEINUK, P.C.104/15/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
C. D. E. AIR-CONDITIONING304/29/2024
I.M.P. PLBG. & HTG. CORP103/02/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LORING CONSULTING ENGINEERS, INC,204/29/2024
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 4Signed off 4
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M00634093 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off01/10/202312/27/2024
Design LOUIS BERGER
Contractor C. D. E. AIR-CONDITIONING
Architectural changes (Vault Repair) on the 1st floor & cellar as indicated on drawings.
M00626343 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off03/02/202302/07/2024
Design SYSKA HENNESSY GROUP
Contractor I.M.P. PLBG. & HTG. CORP
Plumbing changes (vault repair) on the 1st floor & cellar as indicated on drawings.
M00558112 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off08/19/202106/14/2023
Design YSRAEL A. SEINUK, P.C.
Contractor C. D. E. AIR-CONDITIONING
Filer LORING CONSULTING ENGINEERS, INC,
miscellaneous housekeeping pads in basement; structural dunnage support for RTU on roof
M00245346 ↗209 WEST 23 STREET
MANHATTAN
AlterationSigned-off05/11/202005/05/2023
Design LORING CONSULTING ENGINEERS, INC.
Contractor C. D. E. AIR-CONDITIONING
Filer LORING CONSULTING ENGINEERS, INC,
replacement of existing rooftop HVAC and split system air ac units and all new controls.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
209 WEST 23 STREET ↗404/29/2024
▾Documents — 94 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch6
09/03/2026M00558112-P2 · 209 WEST 23 STREETRequest digital key ↗
09/03/2026M00558112-P1 · 209 WEST 23 STREETRequest digital key ↗
09/03/2026M00558112-P3 · 209 WEST 23 STREETRequest digital key ↗
Showing 3 of 6 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems4
08/27/2026M00245346-P2 · 209 WEST 23 STREETRequest digital key ↗
Showing 1 of 4 on file for this type
▸Applications & Permits9
▸DOB NOWLPC Approval/Permit9
09/03/2026M00558112-P1 · 209 WEST 23 STREETOpen ↗
09/03/2026M00558112-P3 · 209 WEST 23 STREETOpen ↗
08/13/2026M00626343-I1 · 209 WEST 23 STREETOpen ↗
Showing 3 of 9 on file for this type
▸Seals & Professional Certifications42
▸DOB NOWSpecial Inspector Seal & Signature22
09/01/2026M00245346-P1 · 209 WEST 23 STREETOpen ↗
09/01/2026M00245346-P1 · 209 WEST 23 STREETOpen ↗
09/01/2026M00245346-P1 · 209 WEST 23 STREETOpen ↗
Showing 3 of 22 on file for this type
▸DOB NOWProgress Inspector Seal & Signature11
09/01/2026M00245346-P1 · 209 WEST 23 STREETOpen ↗
09/01/2026M00245346-P1 · 209 WEST 23 STREETOpen ↗
09/01/2026M00245346-I1 · 209 WEST 23 STREETOpen ↗
Showing 3 of 11 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
09/03/2026M00558112-I1 · 209 WEST 23 STREETOpen ↗
09/03/2026M00558112-P2 · 209 WEST 23 STREETOpen ↗
09/03/2026M00558112-P3 · 209 WEST 23 STREETOpen ↗
Showing 3 of 9 on file for this type
▸Environmental & Asbestos19
▸DOB NOWOER: Notice to Proceed11
09/03/2026M00558112-P2 · 209 WEST 23 STREETOpen ↗
09/03/2026M00558112-P1 · 209 WEST 23 STREETOpen ↗
09/03/2026M00558112-P3 · 209 WEST 23 STREETOpen ↗
Showing 3 of 11 on file for this type
▸DOB NOWOER: Notice of Satisfaction4
08/13/2026M00634093-I1 · 209 WEST 23 STREETOpen ↗
08/13/2026M00626343-I1 · 209 WEST 23 STREETOpen ↗
Showing 2 of 4 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
09/01/2026M00634093-I1 · 209 WEST 23 STREETOpen ↗
08/31/2026M00626343-I1 · 209 WEST 23 STREETOpen ↗
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis.1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWPreliminary Commissioning Report Certification1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Approvals, Objections & Sign-offs12
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter9
09/03/2026M00558112-P3 · 209 WEST 23 STREETOpen ↗
09/03/2026M00558112-P1 · 209 WEST 23 STREETOpen ↗
08/31/2026M00626343-I1 · 209 WEST 23 STREETOpen ↗
Showing 3 of 9 on file for this type
▸DOB NOWDEP Variance (V5) letter2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸DOB NOWLandmark Approval1
09/01/2026M00245346-I1 · 209 WEST 23 STREETOpen ↗