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Special Inspection Agency
DOWNTOWN DESIGNWORKS, PLL
Special Inspection Agency
1 project with open permitsMANHATTAN · 5BROOKLYN · 1
5 buildings
17
Total Filings
6
Projects on File
5
Buildings Worked
1
Projects w/ Open Permits
Special Inspection Agency
Primary Trade
Activity
Projects by first filing month6 projects all-time
0123Dec '19 · 1Jan '20 · 1Feb '20 · 2May '21 · 1Feb '23 · 12020202120222023
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit117%
Signed off583%
By project type
Alteration6
Most active buildings
All buildings →
232 WEST 123 STREETMANHATTAN · latest 02/16/2022
2 projects
346 WEST 22 STREETMANHATTAN · latest 02/26/2020
1 projects
113 WEST 87 STREETMANHATTAN · latest 06/28/2021
1 projects
61 TIEMANN PLACEMANHATTAN · latest 02/01/2020
1 projects
160 COLUMBIA HEIGHTSBROOKLYN · 1 open · latest 07/09/2024
1 projects
Key relationships
Everyone →
Design firms
5 projects
1 projects
Filing representatives
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00805179 ↗160 COLUMBIA HEIGHTS
BROOKLYN
AlterationPermit Issued02/02/202307/09/2024
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor FINE CONSTRUCTION SERVICE
Filer AM EXPEDITING
Interior alterations to combine Apartments 3A & 3H. No change in occupancy, use or egress proposed under this application.
M00266980 ↗232 WEST 123 STREET
MANHATTAN
AlterationSigned-off02/05/202002/16/2022
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor AQUEDUCT MECHANICAL CORP
Filer EXPEDITION NYC
INSTALLATION OF PLUMBING FIXTURES; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00268192 ↗232 WEST 123 STREET
MANHATTAN
AlterationSigned-off02/05/202012/08/2021
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor HVAC EXPERTS, INC
Filer EXPEDITION NYC
MECHANICAL WORK PER DRAWINGS; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00408073 ↗113 WEST 87 STREET
MANHATTAN
AlterationSigned-off05/21/202106/28/2021
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor WF PLUMBING AND HEATING L
Filer EXPEDITION NYC
INSTALLATION OF PLUMBING FIXTURES; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00271048 ↗346 WEST 22 STREET
MANHATTAN
AlterationSigned-off01/09/202002/26/2020
Design JOAN HUMPHREYS
Owner SEQUOIA PROPERTY MANAGEMENT
Contractor WF PLUMBING AND HEATING L
INSTALLATION OF PLUMBING FIXTURES IN APARTMENT #2; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00271587 ↗61 TIEMANN PLACE
MANHATTAN
AlterationSigned-off12/31/201902/01/2020
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Owner VERITAS PROPERTY MANAGEMENT, LLC
Contractor H.K. MECHANICAL SVC CORP
Filer EXPEDITION NYC
INSTALLATION OF PLUMBING FIXTURES; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
Counts cover all 6 projects (6 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
DOWNTOWN DESIGNWORKS ARCHITECTURE506/22/2024
JOAN HUMPHREYS111/27/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WF PLUMBING AND HEATING L212/21/2021
AQUEDUCT MECHANICAL CORP106/22/2022
FINE CONSTRUCTION SERVICE106/22/2024
H.K. MECHANICAL SVC CORP102/10/2020
HVAC EXPERTS, INC111/01/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SEQUOIA PROPERTY MANAGEMENT111/27/2020
VERITAS PROPERTY MANAGEMENT, LLC102/10/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AM EXPEDITING106/22/2024
6 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 6Open permit 1Signed off 5
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00805179 ↗160 COLUMBIA HEIGHTS
BROOKLYN
AlterationPermit Issued02/02/202307/09/2024
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor FINE CONSTRUCTION SERVICE
Filer AM EXPEDITING
Interior alterations to combine Apartments 3A & 3H. No change in occupancy, use or egress proposed under this application.
M00266980 ↗232 WEST 123 STREET
MANHATTAN
AlterationSigned-off02/05/202002/16/2022
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor AQUEDUCT MECHANICAL CORP
Filer EXPEDITION NYC
INSTALLATION OF PLUMBING FIXTURES; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00268192 ↗232 WEST 123 STREET
MANHATTAN
AlterationSigned-off02/05/202012/08/2021
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor HVAC EXPERTS, INC
Filer EXPEDITION NYC
MECHANICAL WORK PER DRAWINGS; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00408073 ↗113 WEST 87 STREET
MANHATTAN
AlterationSigned-off05/21/202106/28/2021
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Contractor WF PLUMBING AND HEATING L
Filer EXPEDITION NYC
INSTALLATION OF PLUMBING FIXTURES; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00271048 ↗346 WEST 22 STREET
MANHATTAN
AlterationSigned-off01/09/202002/26/2020
Design JOAN HUMPHREYS
Owner SEQUOIA PROPERTY MANAGEMENT
Contractor WF PLUMBING AND HEATING L
INSTALLATION OF PLUMBING FIXTURES IN APARTMENT #2; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
M00271587 ↗61 TIEMANN PLACE
MANHATTAN
AlterationSigned-off12/31/201902/01/2020
Design DOWNTOWN DESIGNWORKS ARCHITECTURE
Owner VERITAS PROPERTY MANAGEMENT, LLC
Contractor H.K. MECHANICAL SVC CORP
Filer EXPEDITION NYC
INSTALLATION OF PLUMBING FIXTURES; NO CHANGE TO USE, EGRESS OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
160 COLUMBIA HEIGHTS ↗206/22/2024
232 WEST 123 STREET ↗911/01/2022
113 WEST 87 STREET ↗212/21/2021
346 WEST 22 STREET ↗211/27/2020
61 TIEMANN PLACE ↗202/10/2020
▾Special Inspection Requirements — 43
DateRequirementBuildingInspectorRole
07/15/2024Permanent certificate160 COLUMBIA HEIGHTSPETER WILLCOXenergy_progress
07/15/2024Maintenance information160 COLUMBIA HEIGHTSPETER WILLCOXenergy_progress
07/15/2024Air barrier - visual inspection160 COLUMBIA HEIGHTSPETER WILLCOXenergy_progress
07/15/2024Lighting in dwelling units160 COLUMBIA HEIGHTSPETER WILLCOXenergy_progress
07/15/2024Energy Code Compliance Inspections160 COLUMBIA HEIGHTSPETER WILLCOXprogress
07/15/2024Fire-Resistance Rated Construction160 COLUMBIA HEIGHTSPETER WILLCOXprogress
07/15/2024Fire-Resistant Penetrations and Joints160 COLUMBIA HEIGHTSPETER WILLCOXspecial
11/09/2022Fire-Resistant Penetrations and Joints232 WEST 123 STREETPETER WILLCOXspecial
11/09/2022HVAC and service water heating system controls 232 WEST 123 STREETPETER WILLCOXenergy_progress
11/09/2022HVAC and service water heating equipment 232 WEST 123 STREETPETER WILLCOXenergy_progress
11/09/2022Energy Code Compliance Inspections232 WEST 123 STREETPETER WILLCOXprogress
11/09/2022Mechanical Systems232 WEST 123 STREETPeter Holtzmanspecial
11/09/2022Fire-Resistance Rated Construction232 WEST 123 STREETPETER WILLCOXprogress
11/09/2022Final232 WEST 123 STREETPETER WILLCOXprogress
11/09/2022HVAC insulation and sealing 232 WEST 123 STREETPETER WILLCOXenergy_progress
11/09/2022Fireplaces232 WEST 123 STREETPETER WILLCOXenergy_progress
11/03/2022Fire-Resistant Penetrations and Joints232 WEST 123 STREETPETER WILLCOXspecial
10/26/2022Mechanical Systems232 WEST 123 STREETPeter Holtzmanspecial
10/26/2022Energy Code Compliance Inspections232 WEST 123 STREETPETER WILLCOXprogress
10/26/2022Final232 WEST 123 STREETPETER WILLCOXprogress
10/26/2022Fire-Resistance Rated Construction232 WEST 123 STREETPETER WILLCOXprogress
10/26/2022HVAC insulation and sealing 232 WEST 123 STREETPETER WILLCOXenergy_progress
10/26/2022Fireplaces232 WEST 123 STREETPETER WILLCOXenergy_progress
10/26/2022HVAC and service water heating system controls 232 WEST 123 STREETPETER WILLCOXenergy_progress
10/26/2022HVAC and service water heating equipment 232 WEST 123 STREETPETER WILLCOXenergy_progress
12/23/2021Fire-Resistant Penetrations and Joints113 WEST 87 STREETPETER WILLCOXspecial
12/17/2021Fire-Resistant Penetrations and Joints113 WEST 87 STREETPETER WILLCOXspecial
03/14/2021Fireplaces232 WEST 123 STREETPETER WILLCOXenergy_progress
03/14/2021HVAC and service water heating system controls 232 WEST 123 STREETPETER WILLCOXenergy_progress
03/14/2021HVAC insulation and sealing 232 WEST 123 STREETPETER WILLCOXenergy_progress
03/14/2021HVAC and service water heating equipment 232 WEST 123 STREETPETER WILLCOXenergy_progress
03/14/2021Mechanical Systems232 WEST 123 STREETPETER WILLCOXspecial
03/14/2021Energy Code Compliance Inspections232 WEST 123 STREETPETER WILLCOXprogress
03/14/2021Final232 WEST 123 STREETPETER WILLCOXprogress
03/14/2021Fire-Resistance Rated Construction232 WEST 123 STREETPETER WILLCOXprogress
03/13/2021Fire-Resistant Penetrations and Joints232 WEST 123 STREETPETER WILLCOXspecial
03/13/2021Fire-Resistance Rated Construction232 WEST 123 STREETPETER WILLCOXprogress
12/02/2020Fire-Resistance Rated Construction346 WEST 22 STREETJOAN HUMPHREYSprogress
12/02/2020Fire-Resistant Penetrations and Joints346 WEST 22 STREETPETER WILLCOXspecial
11/11/2020Fire-Resistant Penetrations and Joints346 WEST 22 STREETPETER WILLCOXspecial
11/11/2020Fire-Resistance Rated Construction346 WEST 22 STREETJOAN HUMPHREYSprogress
03/09/2020Fire-Resistant Penetrations and Joints61 TIEMANN PLACEPETER WILLCOXspecial
02/06/2020Fire-Resistant Penetrations and Joints61 TIEMANN PLACEPETER WILLCOXspecial
▾Documents — 115 on file (BIS + DOB NOW)
▸Plans & Drawings21
▸DOB NOWPlans/Sketch - Plumbing15
09/05/2026M00271048-I1 · 346 WEST 22 STREETRequest digital key ↗
09/05/2026M00271587-I1 · 61 TIEMANN PLACERequest digital key ↗
09/03/2026M00408073-P1 · 113 WEST 87 STREETRequest digital key ↗
Showing 3 of 15 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems4
09/02/2026M00268192-I1 · 232 WEST 123 STREETRequest digital key ↗
09/02/2026M00268192-P1 · 232 WEST 123 STREETRequest digital key ↗
Showing 2 of 4 on file for this type
▸DOB NOWPlans/Sketch2
08/15/2026B00805179-I1 · 160 COLUMBIA HEIGHTSRequest digital key ↗
08/14/2026B00805179-P1 · 160 COLUMBIA HEIGHTSRequest digital key ↗
▸Applications & Permits6
▸DOB NOWLPC Approval/Permit6
08/13/2026B00805179-I1 · 160 COLUMBIA HEIGHTSOpen ↗
08/13/2026B00805179-P1 · 160 COLUMBIA HEIGHTSOpen ↗
08/13/2026M00271048-I1 · 346 WEST 22 STREETOpen ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications63
▸DOB NOWProgress Inspector Seal & Signature30
09/29/2026M00271048-P1 · 346 WEST 22 STREETOpen ↗
09/02/2026M00268192-P3 · 232 WEST 123 STREETOpen ↗
09/02/2026M00268192-P3 · 232 WEST 123 STREETOpen ↗
Showing 3 of 30 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature18
09/05/2026M00271048-I1 · 346 WEST 22 STREETOpen ↗
09/05/2026M00271048-P1 · 346 WEST 22 STREETOpen ↗
09/05/2026M00271587-I1 · 61 TIEMANN PLACEOpen ↗
Showing 3 of 18 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature15
09/29/2026M00271048-P1 · 346 WEST 22 STREETOpen ↗
09/02/2026M00408073-P1 · 113 WEST 87 STREETOpen ↗
09/02/2026M00268192-P3 · 232 WEST 123 STREETOpen ↗
Showing 3 of 15 on file for this type
▸Safety & Tenant Protection6
▸DOB NOWTenant Protection Plan4
08/13/2026M00271048-I1 · 346 WEST 22 STREETOpen ↗
08/13/2026M00271048-P1 · 346 WEST 22 STREETOpen ↗
08/13/2026M00271587-P1 · 61 TIEMANN PLACEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWHPD-3: Single Room Occupancy Multiple Dwelling (SRO MD) Anti-Harassment Checklist2
08/13/2026M00408073-I1 · 113 WEST 87 STREETOpen ↗
08/13/2026M00408073-P1 · 113 WEST 87 STREETOpen ↗
▸Environmental & Asbestos18
▸DOB NOWDEP ACP-5: Asbestos Assessment Report18
09/05/2026M00271048-I1 · 346 WEST 22 STREETOpen ↗
09/05/2026M00271048-P1 · 346 WEST 22 STREETOpen ↗
09/05/2026M00271587-I1 · 61 TIEMANN PLACEOpen ↗
Showing 3 of 18 on file for this type
▸Approvals, Objections & Sign-offs1
▸DOB NOWLandmark Approval1
09/01/2026M00408073-I1 · 113 WEST 87 STREETOpen ↗