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Special Inspection Agency
GREGORY L. SINGER, PE, PL
Special Inspection Agency
9 jobs with open permitsQUEENS · 10BROOKLYN · 8MANHATTAN · 5
20 buildings
34
Total Filings
26
Jobs on File
20
Buildings Worked
9
Jobs w/ Open Permits
Special Inspection Agency
Primary Trade
Activity
Jobs by first filing month26 jobs all-time
0235Dec '19 · 1Jan '20 · 1May '20 · 3Apr '21 · 1Jun '21 · 4Sep '21 · 4Feb '22 · 1Jul '22 · 2Apr '23 · 1Jun '23 · 1May '24 · 1Apr '25 · 1Aug '25 · 1Dec '25 · 2Jan '26 · 1Jun '26 · 12020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse jobs →
Open permit935%
Signed off1350%
Filed only415%
By job type
Alteration26
Most active buildings
All buildings →
139 FLATBUSH AVENUEBROOKLYN · 2 open · latest 09/10/2021
2 jobs
110 COURT STREETBROOKLYN · 1 open · latest 09/30/2022
2 jobs
2201 NOSTRAND AVENUEBROOKLYN · latest 09/09/2021
2 jobs
99-16 39 AVENUEQUEENS · latest 09/14/2021
2 jobs
72-50 AUSTIN STREETQUEENS · latest 01/06/2023
2 jobs
2873 RICHMOND AVENUESTATEN ISLAND · 2 open · latest 09/15/2021
2 jobs
Most recent jobs
All jobs →
JobAddressTypeStatusFiledLatest permitDescription
Q01196384 ↗33-26 VERNON BOULEVARD
QUEENS
AlterationPermit Issued08/12/202507/28/2026Related drain work for island remodel. Including removal of existing hub drains and installation of new floor sinks with new vent/water/wast…
Q01243850 ↗58-50 52 AVENUE
QUEENS
AlterationPermit Issued06/02/202606/03/2026HEREWITH FILING FOR NEW MECHANICAL SYSTEMS AS PER PLANS. NO CHANGE TO USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION.
S01238382 ↗4343 AMBOY ROAD
STATEN ISLAND
AlterationSigned-off01/27/202605/29/2026Installation of electric powered split heat pump rooftop Unit for office space use at 01.
M01301548307 WEST 38TH STREET
MANHATTAN
AlterationPermit Issued12/14/202502/09/2026Removal of old air conditioning units and replacement with new unit in kind.
Q01269770 ↗74-17 GRAND AVENUE
QUEENS
AlterationFiled — no permit on record12/15/2025——
Q01185252 ↗70-20 ROCKAWAY BEACH BLVD
QUEENS
AlterationPermit Issued04/03/202511/25/2025Replacement of (2) gas heat and electric cooling package rooftop HVAC units. Pl work under subsequent filing. Replacement of electric ductle…
Counts cover all 26 jobs (26 DOB NOW). Dated by first filing; BIS jobs by first permit issuance.
26 DOB NOW jobs, anchored the same way as Buildings Worked. Status is the job's permit state today: open = at least one permit currently issued. BIS jobs show their raw permit status and are not counted as open.
All 26Open permit 9Signed off 13Filed only 4
26 jobs
JobAddressTypeStatusFiledLatest permitDescription
Q01196384 ↗33-26 VERNON BOULEVARD
QUEENS
AlterationPermit Issued08/12/202507/28/2026Related drain work for island remodel. Including removal of existing hub drains and installation of new floor sinks with new vent/water/wast…
Q01243850 ↗58-50 52 AVENUE
QUEENS
AlterationPermit Issued06/02/202606/03/2026HEREWITH FILING FOR NEW MECHANICAL SYSTEMS AS PER PLANS. NO CHANGE TO USE, OCCUPANCY, OR EGRESS UNDER THIS APPLICATION.
S01238382 ↗4343 AMBOY ROAD
STATEN ISLAND
AlterationSigned-off01/27/202605/29/2026Installation of electric powered split heat pump rooftop Unit for office space use at 01.
M01301548307 WEST 38TH STREET
MANHATTAN
AlterationPermit Issued12/14/202502/09/2026Removal of old air conditioning units and replacement with new unit in kind.
Q01269770 ↗74-17 GRAND AVENUE
QUEENS
AlterationFiled — no permit on record12/15/2025——
Q01185252 ↗70-20 ROCKAWAY BEACH BLVD
QUEENS
AlterationPermit Issued04/03/202511/25/2025Replacement of (2) gas heat and electric cooling package rooftop HVAC units. Pl work under subsequent filing. Replacement of electric ductle…
Q01043823 ↗53-2O 44 STREET
QUEENS
AlterationSigned-off05/18/202410/07/2024Installation of three gas powered unit heaters at first floor of existing warehouse.
M00865349 ↗1 BOWERY
MANHATTAN
AlterationSigned-off06/28/202302/20/2024Installation of AC units and associated components, as per plans.
B00809873 ↗505 GATEWAY DRIVE
BROOKLYN
AlterationSigned-off04/08/202304/22/2023Filing to obtain certificate of compliance for RTUS. (Replacement units, originally filed under NB 301144269. Gas connections for the heat f…
Q00767141 ↗72-50 AUSTIN STREET
QUEENS
AlterationSigned-off07/31/202201/06/2023Installation of (4) split AC units and high efficiency warm-air furnaces and all associated ductwork and piping and toilet exhausts. Associa…
B00325503 ↗110 COURT STREET
BROOKLYN
AlterationPermit Issued05/01/202009/30/2022Removal of existing boilers and Direct gas to gas replacement of (3) existing gas boilers at 13th floor (roof level)mechanical room. Origina…
Q00767177 ↗72-50 AUSTIN STREET
QUEENS
AlterationSigned-off07/31/202208/04/2022Install (2) new domestic HWHs,(4) new warm-air furnaces and propose new LP gas service for (3) gas meters to service (3) separate tenant spa…
Q00589496 ↗60-01 70 AVENUE
QUEENS
AlterationSigned-off02/15/202204/01/2022Installation of (3) new VRF air cooled heat pump systems together with backup hydronic heat and related ductwork.
S00539373 ↗2873 RICHMOND AVENUE
STATEN ISLAND
AlterationPermit Issued06/30/202109/15/2021Filing in conjunction with MS filing S00539366-I1 with Necessary crane rigging. Miscellaneous dunnage structural work at roof for the replac…
Q00593271 ↗99-16 39 AVENUE
QUEENS
AlterationFiled — no permit on record09/14/2021——
B00543642 ↗139 FLATBUSH AVENUE
BROOKLYN
AlterationPermit Issued06/30/202109/10/2021Filing in conjunction with Mechanical filing B00543637-I1. Miscellaneous dunnage work at roof for replacement of (1) existing rooftop air-co…
B00543649 ↗2201 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off09/05/202109/09/2021Replacement of (2) existing rooftop air-cooled refrigeration condensers. Necessary crane rigging to be utilized. Structural work for miscell…
B00543654 ↗2201 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off09/05/202109/09/2021Filing in conjunction with mechanical filing B00543649-I1 for replacement of (2)rooftop air-cooled refrigeration condensers with necessary c…
Q00576525 ↗99-16 39 AVENUE
QUEENS
AlterationFiled — no permit on record09/04/2021——
B00543637 ↗139 FLATBUSH AVENUE
BROOKLYN
AlterationPermit Issued06/30/202107/13/2021Replacement of (1) existing rooftop air-cooled refrigeration condenser. Necessary Crane rigging. Structural work for miscellaneous dunnage w…
S00539366 ↗2873 RICHMOND AVENUE
STATEN ISLAND
AlterationPermit Issued06/30/202107/12/2021Replacement of (2) existing rooftop air-cooled refrigeration condensers originally installed under NB 520079343. Necessary Crane Rigging. Mi…
B00494806 ↗360 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off04/08/202106/07/2021Installation of Rooftop Packaged HVAC Unit on existing dunnage. No change in egress use or occupancy.
B00325510 ↗110 COURT STREET
BROOKLYN
AlterationSigned-off05/01/202010/15/2020Direct gas to gas replacement of existing boilers with (3) new boilers at 13th floor (rooftop mechanical room).Plumbing work filed under ap…
M00342129 ↗145-125 WHITE STREET
MANHATTAN
AlterationSigned-off05/05/202008/05/2020Installation of (4) heating oil metering systems for existing storage tanks at cellar meter vault.
M00246065 ↗831 3 AVENUE
MANHATTAN
AlterationSigned-off12/17/201902/28/2020REPLACEMENT OF 20 TON ROOFTOP AC UNIT. NO CHANGE TO USE, OCCUPANCY, OR EGRESS.
M00278193 ↗224 WEST 49 STREET
MANHATTAN
AlterationFiled — no permit on record01/10/2020——
Who this entity's jobs were filed with. Top 25 per group by shared jobs.
NameJobs togetherMost recent
GREGORY L SINGER, PE, PLLC2506/02/2026
Cushing Terrell102/11/2026
ENGINEERS NORTHWEST INC., P.S.102/11/2026
Who this entity's jobs were filed with. Top 25 per group by shared jobs.
NameJobs togetherMost recent
TOMCO MECHANICAL CORP903/21/2026
DNJ INDUSTRIES INC312/14/2025
M & S MECHANICAL SVCS INC302/11/2026
A-1 EXPERT INSTALLATION206/02/2026
C JAMES PLBG & HTG INC107/31/2022
JENNICA MECHANICAL SERVIC104/08/2021
PAULKA PLUMBING & HEAT105/05/2020
RGJ CONSTRUCTION INC107/31/2022
RIGHT CHOICE CONSTRUCTION102/15/2022
SKINNER PLUMBING & HEATIN104/04/2025
TAVELLA PLBG & HTG CORP103/21/2026
Who this entity's jobs were filed with. Top 25 per group by shared jobs.
NameJobs togetherMost recent
DNJ INDUSTRIES INC DBA DNJ MECHANIC212/14/2025
TARGET CORPORATION209/14/2021
TOMCO MECHANICAL CORP203/21/2026
BAY CRANE SERVICE INC104/04/2025
CHATEAU GC LLC104/08/2021
CUSHMAN & WAKEFIELD109/09/2020
DCAS105/05/2020
DREAM HOTEL GROUP101/10/2020
RIGHT CHOICE CONSTRUCTION102/15/2022
Who this entity's jobs were filed with. Top 25 per group by shared jobs.
NameJobs togetherMost recent
COMMERCIAL CAPITAL USA INC803/21/2026
A1 EXPEDITING SERVICE CORP.104/08/2021
AM EXPEDITING106/28/2023
Click a row for this entity's own jobs, plans and documents at that building.
BuildingFilingsMost Recent
58-50 52 AVENUE ↗106/02/2026
4343 AMBOY ROAD ↗101/27/2026
74-17 GRAND AVENUE ↗112/15/2025
307 WEST 38TH STREET ↗112/14/2025
70-20 ROCKAWAY BEACH BLVD ↗209/20/2025
33-26 VERNON BOULEVARD ↗308/12/2025
53-2O 44 STREET ↗204/04/2025
505 GATEWAY DRIVE ↗204/24/2024
1 BOWERY ↗106/28/2023
72-50 AUSTIN STREET ↗207/31/2022
60-01 70 AVENUE ↗102/15/2022
2873 RICHMOND AVENUE ↗309/14/2021
99-16 39 AVENUE ↗309/14/2021
139 FLATBUSH AVENUE ↗309/07/2021
2201 NOSTRAND AVENUE ↗209/05/2021
360 NOSTRAND AVENUE ↗104/08/2021
145-125 WHITE STREET ↗105/05/2020
110 COURT STREET ↗205/01/2020
224 WEST 49 STREET ↗101/10/2020
831 3 AVENUE ↗112/17/2019
▾Special Inspection Requirements — 127
DateRequirementBuildingInspectorRole
10/14/2025Maintenance information307 WEST 38TH STREETGregory Singerenergy_progress
10/14/2025HVAC-R and service water heating equipment307 WEST 38TH STREETGregory Singerenergy_progress
10/14/2025HVAC-R and service water heating system controls307 WEST 38TH STREETGregory Singerenergy_progress
10/11/2025Mechanical Systems307 WEST 38TH STREETGregory Singerspecial
10/11/2025Final307 WEST 38TH STREETGregory Singerprogress
10/08/2025Maintenance information70-20 ROCKAWAY BEACH BLVDGregory Singerenergy_progress
10/08/2025HVAC-R and service water heating system controls70-20 ROCKAWAY BEACH BLVDGregory Singerenergy_progress
10/08/2025HVAC-R and service water heating equipment70-20 ROCKAWAY BEACH BLVDGregory Singerenergy_progress
10/08/2025Final70-20 ROCKAWAY BEACH BLVDGregory Singerprogress
10/08/2025Mechanical Systems70-20 ROCKAWAY BEACH BLVDGregory Singerspecial
10/08/2025Heating Systems70-20 ROCKAWAY BEACH BLVDGregory Singerspecial
10/08/2025Energy Code Compliance Inspections70-20 ROCKAWAY BEACH BLVDGregory Singerprogress
09/16/2025Energy Code Compliance Inspections58-50 52 AVENUEGregory Singerprogress
07/28/2025HVAC-R and service water heating system controls70-20 ROCKAWAY BEACH BLVDGregory Singerenergy_progress
07/28/2025HVAC-R and service water heating equipment70-20 ROCKAWAY BEACH BLVDGregory Singerenergy_progress
07/28/2025Maintenance information70-20 ROCKAWAY BEACH BLVDGregory Singerenergy_progress
07/28/2025Final70-20 ROCKAWAY BEACH BLVDGregory Singerprogress
07/28/2025Energy Code Compliance Inspections70-20 ROCKAWAY BEACH BLVDGregory Singerprogress
07/28/2025Mechanical Systems70-20 ROCKAWAY BEACH BLVDGregory Singerspecial
07/28/2025Heating Systems70-20 ROCKAWAY BEACH BLVDGregory Singerspecial
06/19/2025Mechanical Systems58-50 52 AVENUEGregory Singerspecial
06/19/2025Heating Systems58-50 52 AVENUEGregory Singerspecial
06/19/2025Final58-50 52 AVENUEGregory Singerprogress
06/19/2025HVAC-R and service water heating equipment58-50 52 AVENUEGregory Singerenergy_progress
06/19/2025Maintenance information58-50 52 AVENUEGregory Singerenergy_progress
06/19/2025HVAC-R and service water heating system controls58-50 52 AVENUEGregory Singerenergy_progress
06/09/2025Maintenance information4343 AMBOY ROADGregory Singerenergy_progress
06/09/2025HVAC-R and service water heating equipment4343 AMBOY ROADGregory Singerenergy_progress
06/09/2025HVAC-R and service water heating system controls4343 AMBOY ROADGregory Singerenergy_progress
06/09/2025Final4343 AMBOY ROADGregory Singerprogress
06/09/2025Energy Code Compliance Inspections4343 AMBOY ROADGregory Singerprogress
06/09/2025Mechanical Systems4343 AMBOY ROADGregory Singerspecial
06/09/2025Heating Systems4343 AMBOY ROADGregory Singerspecial
05/14/2025Fire-Resistant Penetrations and Joints33-26 VERNON BOULEVARDGregory Singerspecial
05/01/2025Maintenance information53-2O 44 STREETGregory Singerenergy_progress
05/01/2025HVAC-R and service water heating system controls53-2O 44 STREETGregory Singerenergy_progress
05/01/2025Fire-Resistant Penetrations and Joints53-2O 44 STREETGregory Singerspecial
05/01/2025Energy Code Compliance Inspections53-2O 44 STREETGregory Singerprogress
05/01/2025HVAC-R and service water heating equipment53-2O 44 STREETGregory Singerenergy_progress
04/06/2025Structural Steel - Welding33-26 VERNON BOULEVARD—special
04/06/2025Structural Steel - High Strength Bolting33-26 VERNON BOULEVARD—special
04/06/2025Structural Steel - Details33-26 VERNON BOULEVARD—special
04/04/2025Final33-26 VERNON BOULEVARD—progress
04/04/2025Structural Stability – Alterations of existing buildings33-26 VERNON BOULEVARDGregory Singerspecial
03/17/2025Final33-26 VERNON BOULEVARD—progress
03/17/2025Mechanical Systems33-26 VERNON BOULEVARDGregory Singerspecial
04/29/2024HVAC-R and service water piping design and insulation505 GATEWAY DRIVEGregory Singerenergy_progress
04/29/2024Permanent certificate505 GATEWAY DRIVEGregory Singerenergy_progress
04/29/2024HVAC-R and service water heating equipment505 GATEWAY DRIVEGregory Singerenergy_progress
04/29/2024HVAC-R and service water heating system controls505 GATEWAY DRIVEGregory Singerenergy_progress
Latest 50 of 127.
▾Documents — 181 on file (BIS + DOB NOW)
▸Plans & Drawings39
▸DOB NOWPlans/Sketch33
09/01/2026B00543637-I1Request digital key ↗
09/01/2026B00543654-I1Request digital key ↗
09/01/2026B00543649-I1Request digital key ↗
Showing 3 of 33 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems3
09/05/2026M00246065-I1Request digital key ↗
09/05/2026M00278193-I1Request digital key ↗
09/05/2026M00342129-I1Request digital key ↗
▸DOB NOWPlans/Sketch - Plumbing2
09/02/2026B00325503-I1Request digital key ↗
08/15/2026B00325503-P1Request digital key ↗
▸DOB NOWPlans/Sketch - Boiler Equipment1
09/02/2026B00325510-I1Request digital key ↗
▸Applications & Permits1
▸DOB NOWLPC Approval/Permit1
08/13/2026Q00589496-I1Open ↗
▸Seals & Professional Certifications114
▸DOB NOWProgress Inspector Seal & Signature53
09/23/2026S01238382-I1Open ↗
09/23/2026M01301548-I1Open ↗
09/23/2026M01301548-I1Open ↗
Showing 3 of 53 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature37
09/01/2026B00494806-I1Open ↗
09/01/2026B00543637-I1Open ↗
09/01/2026B00543654-I1Open ↗
Showing 3 of 37 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature24
09/26/2026Q00767177-I1Open ↗
09/23/2026S01238382-I1Open ↗
09/23/2026M01301548-I1Open ↗
Showing 3 of 24 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWHPD-3: Single Room Occupancy Multiple Dwelling (SRO MD) Anti-Harassment Checklist1
08/13/2026M00278193-I1Open ↗
▸Environmental & Asbestos16
▸DOB NOWDEP ACP-5: Asbestos Assessment Report16
08/26/2026Q00767141-I1Open ↗
08/22/2026Q01043823-I1Open ↗
08/22/2026Q01043823-P1Open ↗
Showing 3 of 16 on file for this type
▸Energy Compliance6
▸DOB NOWEN2: As Built Energy Analysis.4
08/15/2026B00494806-I1Open ↗
08/13/2026Q00589496-I1Open ↗
08/13/2026B00543649-I1Open ↗
Showing 3 of 4 on file for this type
▸DOB NOWPreliminary Commissioning Report Certification2
08/13/2026B00809873-I1Open ↗
08/13/2026B00325510-I1Open ↗
▸Approvals, Objections & Sign-offs4
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter2
08/15/2026B00494806-I1Open ↗
08/13/2026M00342129-I1Open ↗
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)1
08/15/2026B00494806-I1Open ↗
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)1
08/13/2026M00342129-I1Open ↗