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Design Firm
INTEGRATED ENERGY CONCEPTS ENG
Design
9 projects with open permitsBROOKLYN · 14QUEENS · 12STATEN ISLAND · 2
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13 buildings
40
Total Filings
29
Projects on File
13
Buildings Worked
9
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month29 projects all-time
0246Nov '18 · 2Feb '20 · 1Mar '20 · 4Sep '20 · 4May '21 · 3Jun '21 · 4Sep '21 · 5Mar '23 · 1Sep '23 · 1Nov '23 · 1May '24 · 1Jun '24 · 1Jul '24 · 1201920202021202220232024
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit931%
Signed off1034%
Filed only1034%
By project type
Alteration29
Most active buildings
All buildings →
156 17 STREETBROOKLYN · 3 open · latest 04/22/2022
6 projects
37-88 REVIEW AVENUEQUEENS · latest 04/02/2025
5 projects
1485 DUMONT AVENUEBROOKLYN · 1 open · latest 03/11/2020
3 projects
188-02 64 AVENUEQUEENS · 2 open · latest 08/23/2024
3 projects
839 PENNSYLVANIA AVENUEBROOKLYN · latest 08/07/2025
2 projects
188-02 64 AVENUEQUEENS · 1 open · latest 09/10/2021
2 projects
Key relationships
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Filing representatives
6 projects
5 projects
1 projects
1 projects
Owners
1 projects
1 projects
1 projects
1 projects
People
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William Cristofarolatest 02/25/2025
21 filings
Filed under
INTEGRATED ENERGY CONCEPTS ENG40
Identified by the contact ids of the people who file for the firm and by its email domain (nrg-concepts.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00535274 ↗839 PENNSYLVANIA AVENUE
BROOKLYN
AlterationSigned-off06/16/202108/07/2025
Contractor G.B. & SON, INC
HEREBY FILING PLUMBING WORK AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
X00942875 ↗3220 HENRY HUDSON PKWY E
BRONX
AlterationPermit Issued11/09/202306/02/2025
Owner CITADEL
Contractor POWER COOLING INC
Filer CORNERSTONE CONSULTING
HEREBY FILING MECHANICAL WORK TO CELLAR AND ROOF AS PER PLANS.
Q01044479 ↗37-88 REVIEW AVENUE
QUEENS
AlterationSigned-off05/20/202404/02/2025
Contractor CROSSFIELD PLBG.&HTG
Filer A1 EXPEDITING SERVICE CORP.
REPLACEMENT OF BOILER THAT WAS FILED IN DOB BIS # 400791675, BACK IN 1997, AND SIGNED OFF ON 11/06/2000.
Q01061829 ↗37-88 REVIEW AVENUE
QUEENS
AlterationSigned-off07/30/202402/20/2025
Contractor KYPROS MECHANICAL CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing HVAC system/Split Heat Units as per plans filed herewith. No change in use, egress or occupancy under this applicat…
Q00520417 ↗188-02 64 AVENUE
QUEENS
AlterationPermit Issued09/09/202108/23/2024
Contractor MASTERCARE MANAGEMENT COR
Filer CORNERSTONE CONSULTING
INSTALLATION OF 570KW COGEN SYSTEM INCLUDING ALL PIPING, DUCT WORK, AND FANS. INSTALLATION OF HEAT RECOVERY SYSTEM STEAM GENERATOR INCLUDING…
B01064347 ↗1561 BEDFORD AVENUE
BROOKLYN
AlterationPermit Issued06/14/202407/30/2024
Owner MEMBER
Contractor MECHANICAL ENERGY SOLUT
Filer JM ZONING, LLC.
Removal of existing chillers and installation of new chillers. No change in use, egress, or occupancy
Counts cover all 29 projects (29 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
William Cristofaro2102/25/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ADDVANCE CONSTUCTION INC209/27/2023
DAGGART OF RICHMOND INC211/01/2018
DEMAR PLUMBING CORP203/11/2020
KYPROS MECHANICAL CORP207/30/2024
MECHANICAL ENERGY SOLUT206/14/2024
ACCESS PLUMBING CORP108/12/2024
AP PLUMBING & HVAC LLC102/25/2025
G.B. & SON, INC106/16/2021
INFINITI ESC PLUMBING COR104/13/2021
KYMECH INDUSTRIES INC101/18/2023
MASTERCARE MANAGEMENT COR109/09/2021
NEPTUNE MECHANICAL INC104/04/2024
POWER COOLING INC111/09/2023
SDS LEONARD LLC109/22/2020
TT MECHANICAL CORP109/22/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CITADEL111/09/2023
CREATIVE FOOD BROKERS LLC106/16/2021
CUBIT POWER ONE INC111/01/2018
MEMBER106/14/2024
SDS LEONARD LLC104/13/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CORNERSTONE CONSULTING608/12/2024
A1 EXPEDITING SERVICE CORP.502/25/2025
DIGITAL ENERGY CORP103/20/2023
JM ZONING, LLC.106/14/2024
29 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 29Open permit 9Signed off 10Filed only 10
29 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00535274 ↗839 PENNSYLVANIA AVENUE
BROOKLYN
AlterationSigned-off06/16/202108/07/2025
Contractor G.B. & SON, INC
HEREBY FILING PLUMBING WORK AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
X00942875 ↗3220 HENRY HUDSON PKWY E
BRONX
AlterationPermit Issued11/09/202306/02/2025
Owner CITADEL
Contractor POWER COOLING INC
Filer CORNERSTONE CONSULTING
HEREBY FILING MECHANICAL WORK TO CELLAR AND ROOF AS PER PLANS.
Q01044479 ↗37-88 REVIEW AVENUE
QUEENS
AlterationSigned-off05/20/202404/02/2025
Contractor CROSSFIELD PLBG.&HTG
Filer A1 EXPEDITING SERVICE CORP.
REPLACEMENT OF BOILER THAT WAS FILED IN DOB BIS # 400791675, BACK IN 1997, AND SIGNED OFF ON 11/06/2000.
Q01061829 ↗37-88 REVIEW AVENUE
QUEENS
AlterationSigned-off07/30/202402/20/2025
Contractor KYPROS MECHANICAL CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing HVAC system/Split Heat Units as per plans filed herewith. No change in use, egress or occupancy under this applicat…
Q00520417 ↗188-02 64 AVENUE
QUEENS
AlterationPermit Issued09/09/202108/23/2024
Contractor MASTERCARE MANAGEMENT COR
Filer CORNERSTONE CONSULTING
INSTALLATION OF 570KW COGEN SYSTEM INCLUDING ALL PIPING, DUCT WORK, AND FANS. INSTALLATION OF HEAT RECOVERY SYSTEM STEAM GENERATOR INCLUDING…
B01064347 ↗1561 BEDFORD AVENUE
BROOKLYN
AlterationPermit Issued06/14/202407/30/2024
Owner MEMBER
Contractor MECHANICAL ENERGY SOLUT
Filer JM ZONING, LLC.
Removal of existing chillers and installation of new chillers. No change in use, egress, or occupancy
B00285787 ↗21 INDIA STREET
BROOKLYN
AlterationSigned-off03/26/202006/03/2024
Contractor NEPTUNE MECHANICAL INC
Modification to HVAC system for the installation of a Cogen system as per plans filed herewith. No change in use, egress or occupancy under …
Q00520437 ↗188-02 64 AVENUE
QUEENS
AlterationPermit Issued09/09/202105/07/2024
Contractor ACCESS PLUMBING CORP
Filer CORNERSTONE CONSULTING
INSTALLATION OF NATURAL GAS PIPING, REGULATOR AND METER AS PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Q00937207 ↗37-88 REVIEW AVENUE
QUEENS
AlterationSigned-off09/27/202309/28/2023
Contractor ADDVANCE CONSTUCTION INC
Filer A1 EXPEDITING SERVICE CORP.
Re-filing previously approved Q00514836-I1 in order to issue Certificate of Compliance for Ice Rink Chiller and Cooling Tower. Modification …
Q00813861 ↗188-02 64 AVENUE
QUEENS
AlterationFiled — no permit on record03/20/2023—
Filer DIGITAL ENERGY CORP
—
Q00514852 ↗37-88 REVIEW AVENUE
QUEENS
AlterationSigned-off06/01/202103/15/2023
Contractor DOUG'S PLBG & HTG SERV CO
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing Plumbing fixtures and Sprinkler system as per plans filed herewith
B00393308 ↗156 17 STREET
BROOKLYN
AlterationPermit Issued09/22/202004/22/2022
Owner SDS LEONARD LLC
Contractor INFINITI ESC PLUMBING COR
Filer JM ZONING, LLC.
PLUMBING WORK FILED IN CONJUNCTION WITH NB# 321191517.
B00393269 ↗156 17 STREET
BROOKLYN
AlterationPermit Issued09/22/202012/07/2021
Contractor SDS LEONARD LLC
MECHANICAL WORK FILED IN CONJUNCTION WITH NB# 321191517.
Q00514836 ↗37-88 REVIEW AVENUE
QUEENS
AlterationSigned-off05/28/202112/01/2021
Contractor ADDVANCE CONSTUCTION INC
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
Q00514990 ↗188-02 64 AVENUE
QUEENS
AlterationFiled — no permit on record09/10/2021———
Q00583873 ↗188-02 64 AVENUE
QUEENS
AlterationFiled — no permit on record09/09/2021—
Filer CORNERSTONE CONSULTING
—
Q00584035 ↗188-02 64 AVENUE
QUEENS
AlterationFiled — no permit on record09/09/2021———
B00525185 ↗145 WALWORTH STREET
BROOKLYN
AlterationFiled — no permit on record06/21/2021———
B00532759 ↗839 PENNSYLVANIA AVENUE
BROOKLYN
AlterationFiled — no permit on record06/16/2021—
Owner CREATIVE FOOD BROKERS LLC
Filer CORNERSTONE CONSULTING
—
B00510834 ↗156 17 STREET
BROOKLYN
AlterationFiled — no permit on record05/17/2021———
B00511332 ↗156 17 STREET
BROOKLYN
AlterationFiled — no permit on record05/17/2021———
B00393331 ↗156 17 STREET
BROOKLYN
AlterationPermit Issued09/22/202012/28/2020
Contractor TTM GROUP CORP
Install temporary dry standpipe system during construction as per plans filed. Filed in conjunction with NB# 321191517.
B00393318 ↗156 17 STREET
BROOKLYN
AlterationFiled — no permit on record09/23/2020———
Q00300014 ↗188-02 64 AVENUE
QUEENS
AlterationPermit Issued02/19/202003/19/2020
Contractor MECHANICAL ENERGY SOLUT
Filer CORNERSTONE CONSULTING
MECHANICAL WORK TO BE FILED AT THE CELLAR LEVEL, IN CHILLER AND MECHANICAL ROOM. BUILDING 6700. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00314726 ↗1485 DUMONT AVENUE
BROOKLYN
AlterationSigned-off03/11/202003/11/2020
Contractor DEMAR PLUMBING CORP
Combined heat and power installation w HW absorbers, cooling tower, boiler and associated mechanical work per plans. No change in use, egres…
B00321519 ↗1485 DUMONT AVENUE
BROOKLYN
AlterationFiled — no permit on record03/11/2020———
B00313620 ↗1485 DUMONT AVENUE
BROOKLYN
AlterationPermit Issued03/09/202003/10/2020
Contractor DEMAR PLUMBING CORP
Combined heat and power installation w HW absorbers, cooling tower, boiler and associated mechanical work per plans. No change in use, egres…
S00095234 ↗4352 VICTORY BOULEVARD
STATEN ISLAND
AlterationSigned-off11/01/201811/20/2018
Contractor DAGGART OF RICHMOND INC
HEREBY FILING NEW 20'10 CURB CUT AS PER PLANS. NO CHANGE IN USE EGRESS OR OCCUPANCY. FILING NEW CURB CUT BEING FILED TO ANSWER AUDIT EXAMINE…
S00095258 ↗4352 VICTORY BOULEVARD
STATEN ISLAND
AlterationSigned-off11/01/201811/16/2018
Owner CUBIT POWER ONE INC
Contractor DAGGART OF RICHMOND INC
Filer CORNERSTONE CONSULTING
HEREBY FILING NEW 30' CURB CUT AS PER PLANS. NO CHANGE IN USE EGRESS OR OCCUPANCY. NEW CURB CUT BEING FILED TO ANSWER AUDIT EXAMINERS OBJECT…
Scope of Work
HVAC — 5 projects · most recent 06/14/2024
Others Air Conditioning Systems Associated Ducts and Piping Heating Systems Refrigeration Systems
Plumbing — 2 projects · most recent 08/12/2024
Gas Storm Water/Sanitary
Structural — 1 project · most recent 03/20/2023
Concrete
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
37-88 REVIEW AVENUE ↗1102/25/2025
188-02 64 AVENUE ↗408/07/2024
1561 BEDFORD AVENUE ↗106/10/2024
3220 HENRY HUDSON PKWY E ↗110/03/2023
188-02 64 AVENUE ↗108/26/2021
839 PENNSYLVANIA AVENUE ↗206/02/2021
156 17 STREET ↗803/08/2021
188-02 64 AVENUE ↗201/20/2020
4352 VICTORY BOULEVARD ↗211/01/2018
21 INDIA STREET ↗3—
1485 DUMONT AVENUE ↗3—
145 WALWORTH STREET ↗1—
188-02 64 AVENUE ↗1—
▾Documents — 156 on file (BIS + DOB NOW)
▸Plans & Drawings39
▸DOB NOWPlans/Sketch27
09/01/2026B00510834-I1 · 156 17 STREETRequest digital key ↗
09/01/2026B00511332-I1 · 156 17 STREETRequest digital key ↗
09/01/2026B00532759-I1 · 839 PENNSYLVANIA AVENUERequest digital key ↗
Showing 3 of 27 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems5
09/02/2026B00313620-I1 · 1485 DUMONT AVENUERequest digital key ↗
09/02/2026B00285787-I1 · 21 INDIA STREETRequest digital key ↗
09/02/2026B00393269-I1 · 156 17 STREETRequest digital key ↗
Showing 3 of 5 on file for this type
▸DOB NOWPlans/Sketch - Plumbing3
09/02/2026B00314726-I1 · 1485 DUMONT AVENUERequest digital key ↗
09/01/2026B00393308-I1 · 156 17 STREETRequest digital key ↗
08/14/2026B00393308-P1 · 156 17 STREETRequest digital key ↗
▸DOB NOWPlans/Sketch - Standpipe2
09/02/2026B00393331-I1 · 156 17 STREETRequest digital key ↗
09/02/2026B00393318-I1 · 156 17 STREETRequest digital key ↗
▸DOB NOWPlans/Sketch - Boiler Equipment1
09/02/2026B00321519-I1 · 1485 DUMONT AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Sprinkler1
09/02/2026B00393318-I1 · 156 17 STREETRequest digital key ↗
▸Seals & Professional Certifications87
▸DOB NOWDPL-1: Design Professional Seal & Signature37
09/01/2026B00510834-I1 · 156 17 STREETOpen ↗
09/01/2026B00511332-I1 · 156 17 STREETOpen ↗
09/01/2026B00532759-I1 · 839 PENNSYLVANIA AVENUEOpen ↗
Showing 3 of 37 on file for this type
▸DOB NOWProgress Inspector Seal & Signature33
09/23/2026Q01044479-I1 · 37-88 REVIEW AVENUEOpen ↗
09/23/2026Q01044479-I1 · 37-88 REVIEW AVENUEOpen ↗
09/23/2026Q01044479-I1 · 37-88 REVIEW AVENUEOpen ↗
Showing 3 of 33 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature17
09/23/2026Q01044479-I1 · 37-88 REVIEW AVENUEOpen ↗
08/31/2026Q00937207-I1 · 37-88 REVIEW AVENUEOpen ↗
08/31/2026Q01044479-P2 · 37-88 REVIEW AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸Safety & Tenant Protection2
▸DOB NOWTenant Protection Plan2
08/13/2026Q00300014-I1 · 188-02 64 AVENUEOpen ↗
08/13/2026B00285787-I1 · 21 INDIA STREETOpen ↗
▸Environmental & Asbestos24
▸DOB NOWDEP ACP-5: Asbestos Assessment Report17
08/27/2026Q00514836-I1 · 37-88 REVIEW AVENUEOpen ↗
08/27/2026Q00514852-P3 · 37-88 REVIEW AVENUEOpen ↗
08/27/2026Q00514852-P2 · 37-88 REVIEW AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸DOB NOWOER: Notice to Proceed6
08/13/2026B00511332-I1 · 156 17 STREETOpen ↗
08/13/2026B00510834-I1 · 156 17 STREETOpen ↗
08/13/2026B00393331-I1 · 156 17 STREETOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/28/2026Q00300014-I1 · 188-02 64 AVENUEOpen ↗
▸Energy Compliance3
▸DOB NOWPreliminary Commissioning Report Certification2
08/13/2026B00285787-I1 · 21 INDIA STREETOpen ↗
08/13/2026B00393269-I1 · 156 17 STREETOpen ↗
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026Q00514836-I1 · 37-88 REVIEW AVENUEOpen ↗
▸Approvals, Objections & Sign-offs1
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter1
08/13/2026B01064347-I1 · 1561 BEDFORD AVENUEOpen ↗