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Design Firm
GREGORY M. STEINMETZ, PE
Design · filed under 2 names
2 projects with open permitsQUEENS · 4BROOKLYN · 4BRONX · 3
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10 buildings
24
Total Filings
14
Projects on File
10
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month14 projects all-time
0123Feb '21 · 2Apr '21 · 2Oct '22 · 1Dec '22 · 1Jan '23 · 2Jan '25 · 1Feb '25 · 1Mar '25 · 1Sep '25 · 1Oct '25 · 1Jan '26 · 120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit214%
Signed off1179%
Filed only17%
By project type
Alteration14
Most active buildings
All buildings →
171 WEST 230 STREETBRONX · latest 06/29/2021
2 projects
575 DEGRAW STREETBROOKLYN · latest 01/17/2024
2 projects
63 FLUSHING AVENUEBROOKLYN · latest 07/19/2021
2 projects
37-48 JUNCTION BOULEVARDQUEENS · latest 01/26/2023
2 projects
1095 AVENUE OF THE AMERMANHATTAN · latest 05/14/2025
1 projects
400 WALNUT AVENUEBRONX · latest 03/04/2026
1 projects
Key relationships
Everyone →
Filing representatives
2 projects
2 projects
2 projects
2 projects
People
All people →
GREGORY M. STEINMETZlatest 01/14/2026
20 filings
Jay Rohkohllatest 10/28/2025
2 filings
Filed under
GREGORY M. STEINMETZ, PE22Jay Rohkohl, PE2
Identified by the contact ids of the people who file for the firm and by its email domain (dunhameng.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
X01346325 ↗400 WALNUT AVENUE
BRONX
AlterationSigned-off01/14/202603/04/2026
Owner VILLAGE SUPERMARKET INC.
Contractor POSITIVE AIR CORP
Filer LVI NYC ELECTRICAL INC.
Replacing 20-ton roof top unit like for like
Q01297535 ↗212-15 26 AVENUE
QUEENS
AlterationSigned-off10/23/202512/03/2025
Contractor POSITIVE AIR CORP
Maintenance replacement of (3) gas-heat packaged roof top units
Q01158619 ↗40-22 COLLEGE POINT BLVD
QUEENS
AlterationPermit Issued02/26/202510/14/2025
Owner Acadia Realty Trust
Contractor KS ROYAL LEASING
Filer DOMINION EXPEDITING
Famous Footwear retail store general renovation. No change to use, egress or occupancy.
S01291980 ↗250 PAGE AVENUE
STATEN ISLAND
AlterationFiled — no permit on record09/24/2025—
Filer LVI NYC ELECTRICAL INC.
—
M01179121 ↗1095 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off03/24/202505/14/2025
Owner HINES INTERESTS LIMITED PARTNERSHIP
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
Removal of plumbing fixtures. Install new fixtures: (2) HWH, (1) FD, (1) sink, (1) Lavatory, (1) water closet and associated CW/sanitary pip…
S01151697 ↗1447 RICHMOND AVENUE
STATEN ISLAND
AlterationPermit Issued01/03/202501/27/2025
Owner MUNSON BUFFALO GO GROUP
Contractor POSITIVE AIR CORP
Filer NATIONAL SIGN AND LIGHTING
REMOVE AND REPLACE (3) HVAC UNIT LIKE FOR LIKE
Counts cover all 14 projects (14 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
GREGORY M. STEINMETZ2001/14/2026
Jay Rohkohl210/28/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
KUSHNER STUDIOS201/24/2024
HANSEN ENGINEERING, PC101/24/2024
ROBERT F. VANNEY, ARCHITECT111/04/2025
RSP ARCHITECTURE & ENGINEERING107/30/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
POSITIVE AIR CORP301/14/2026
IN HOUSE GROUP INC201/24/2024
ABCO-PEERLESS SPRKLR CORP107/30/2025
ADVANCED P,MECH & SPR COR102/18/2021
BEDROCK PLBG. & HTG., INC104/15/2021
CASINO PLMBG & HTG CORP101/24/2024
CLUNE CONSTRUCTION CO LP107/30/2025
KS ROYAL LEASING111/04/2025
L.L.G. PLBG & HTG INC101/24/2024
LAB PLBG & HTG CO INC107/30/2025
P.D. CARPENTRY & MASONRY101/10/2023
RICARDO'S MECHANICAL, INC101/24/2024
SALT CONSTRUCTION INC104/15/2021
SCHIMENTI CONSTRUCTION CO102/18/2021
TAP PLUMBING CORP111/18/2022
TRI CITY MECHANICAL GROUP101/10/2023
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
REGENT 33RD REALTY201/24/2024
ACADIA REALTY TRUST111/04/2025
HINES INTERESTS LIMITED PARTNERSHIP107/30/2025
MUNSON BUFFALO GO GROUP101/03/2025
REGENCY CENTERS, LP102/18/2021
VILLAGE SUPERMARKET INC.101/14/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DOMANI CONSULTING204/15/2021
GEORGE E. BERGER & ASS. LLC201/10/2023
KUSHNER STUDIOS201/24/2024
LVI NYC ELECTRICAL INC.201/14/2026
DOMINION EXPEDITING111/04/2025
NATIONAL SIGN AND LIGHTING101/03/2025
RIZZO GROUP107/30/2025
14 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 14Open permit 2Signed off 11Filed only 1
14 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
X01346325 ↗400 WALNUT AVENUE
BRONX
AlterationSigned-off01/14/202603/04/2026
Owner VILLAGE SUPERMARKET INC.
Contractor POSITIVE AIR CORP
Filer LVI NYC ELECTRICAL INC.
Replacing 20-ton roof top unit like for like
Q01297535 ↗212-15 26 AVENUE
QUEENS
AlterationSigned-off10/23/202512/03/2025
Contractor POSITIVE AIR CORP
Maintenance replacement of (3) gas-heat packaged roof top units
Q01158619 ↗40-22 COLLEGE POINT BLVD
QUEENS
AlterationPermit Issued02/26/202510/14/2025
Owner Acadia Realty Trust
Contractor KS ROYAL LEASING
Filer DOMINION EXPEDITING
Famous Footwear retail store general renovation. No change to use, egress or occupancy.
S01291980 ↗250 PAGE AVENUE
STATEN ISLAND
AlterationFiled — no permit on record09/24/2025—
Filer LVI NYC ELECTRICAL INC.
—
M01179121 ↗1095 AVENUE OF THE AMER
MANHATTAN
AlterationSigned-off03/24/202505/14/2025
Owner HINES INTERESTS LIMITED PARTNERSHIP
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
Removal of plumbing fixtures. Install new fixtures: (2) HWH, (1) FD, (1) sink, (1) Lavatory, (1) water closet and associated CW/sanitary pip…
S01151697 ↗1447 RICHMOND AVENUE
STATEN ISLAND
AlterationPermit Issued01/03/202501/27/2025
Owner MUNSON BUFFALO GO GROUP
Contractor POSITIVE AIR CORP
Filer NATIONAL SIGN AND LIGHTING
REMOVE AND REPLACE (3) HVAC UNIT LIKE FOR LIKE
B08054466 ↗575 DEGRAW STREET
BROOKLYN
AlterationSigned-off12/29/202201/17/2024
Owner REGENT 33RD REALTY
Contractor IN HOUSE GROUP
Filer KUSHNER STUDIOS
NEW STEEL DUNNAGE FOR THE NEW ROOFTOP HVAC UNITS INSTALLED UNDER MS #B08054466-S2 & NEW CONCRETE BASES FOR PROPOSED FREE-STANDING NON-STRUCT…
B07997786 ↗575 DEGRAW STREET
BROOKLYN
AlterationSigned-off10/14/202203/14/2023
Owner REGENT 33RD REALTY
Contractor IN HOUSE GROUP
Filer KUSHNER STUDIOS
INTERIOR DEMOLITION OF NON-LOAD BEARING PARTITIONS & CLIMBING EQUIP AT THE WEST PORTION OF THE 1ST FL WITHIN THE INDOOR ROCK CLIMBING SPACE …
Q08000002 ↗37-48 JUNCTION BOULEVARD
QUEENS
AlterationSigned-off01/10/202301/26/2023
Contractor FLAVIO MECHANICAL CORP
Filer GEORGE E. BERGER & ASS. LLC
It is proposed to cap and remove existing plumbing fixtures and install new plumbing fixtures as shown on plans. Application filed in conjun…
Q07999997 ↗37-48 JUNCTION BOULEVARD
QUEENS
AlterationSigned-off01/10/202301/13/2023
Contractor P.D. CARPENTRY & MASONRY
Filer GEORGE E. BERGER & ASS. LLC
Existing split system and main ductwork to remain, replace existing thermostat, replace existing grds with new and reconnect existing ductwo…
B00492962 ↗63 FLUSHING AVENUE
BROOKLYN
AlterationSigned-off04/15/202107/19/2021
Contractor BEDROCK PLBG. & HTG., INC
Filer DOMANI CONSULTING
Interior Plumbing work in conjunction with tenant fit-out on 4th floor suite 401 and 402 as shown per plan. Filed in-conjunction with DOBNOW…
B00493942 ↗63 FLUSHING AVENUE
BROOKLYN
AlterationSigned-off04/15/202107/13/2021
Contractor SALT CONSTRUCTION INC
Filer DOMANI CONSULTING
INSTALLATION OF MECHANICAL VAV BOXES AND ASSOCIATED DUCTWORK IN CONJUNCTION WITH TENANT FITOUT ON 4TH FLOOR SUITE 401/402.
X00440761 ↗171 WEST 230 STREET
BRONX
AlterationSigned-off02/18/202106/29/2021
Owner REGENCY CENTERS, LP
Contractor SCHIMENTI CONSTRUCTION CO
Filer J.A. EXPEDITING, LLC
HEREBY FILING FOR THE INSTALLATION OF MECHANICAL EQUIPMENT AND ASSOCIATED MECHANIAL WORK. ALL WORK AS PER PLANS . NO CHANGE TO USE,EGRESS OR…
X00440755 ↗171 WEST 230 STREET
BRONX
AlterationSigned-off02/18/202103/29/2021
Contractor ADVANCED PLUMBING MECH
INTERIOR PLUMBING WORK
Scope of Work
HVAC — 3 projects · most recent 01/14/2026
Heating and Air Conditioning Systems
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
400 WALNUT AVENUE ↗101/14/2026
40-22 COLLEGE POINT BLVD ↗210/28/2025
250 PAGE AVENUE ↗109/23/2025
1095 AVENUE OF THE AMER ↗607/15/2025
1447 RICHMOND AVENUE ↗112/05/2024
575 DEGRAW STREET ↗612/21/2023
37-48 JUNCTION BOULEVARD ↗209/07/2022
63 FLUSHING AVENUE ↗203/26/2021
171 WEST 230 STREET ↗212/14/2020
212-15 26 AVENUE ↗1—
▾Documents — 151 on file (BIS + DOB NOW)
▸Plans & Drawings34
▸DOB NOWPlans/Sketch32
08/28/2026B07997786-I1 · 575 DEGRAW STREETRequest digital key ↗
08/27/2026B08054466-P3 · 575 DEGRAW STREETRequest digital key ↗
08/27/2026B08054466-S1 · 575 DEGRAW STREETRequest digital key ↗
Showing 3 of 32 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems1
08/25/2026X00440761-I1 · 171 WEST 230 STREETRequest digital key ↗
▸DOB NOWPlans/Sketch - Plumbing1
08/25/2026X00440755-I1 · 171 WEST 230 STREETRequest digital key ↗
▸Seals & Professional Certifications75
▸DOB NOWDPL-1: Design Professional Seal & Signature34
09/01/2026B00492962-I1 · 63 FLUSHING AVENUEOpen ↗
09/01/2026B00493942-I1 · 63 FLUSHING AVENUEOpen ↗
08/28/2026B07997786-I1 · 575 DEGRAW STREETOpen ↗
Showing 3 of 34 on file for this type
▸DOB NOWProgress Inspector Seal & Signature22
09/12/2026X01346325-I1 · 400 WALNUT AVENUEOpen ↗
08/29/2026B08054466-S2 · 575 DEGRAW STREETOpen ↗
08/29/2026B08054466-S2 · 575 DEGRAW STREETOpen ↗
Showing 3 of 22 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature19
09/29/2026M01179121-P1 · 1095 AVENUE OF THE AMEROpen ↗
09/25/2026B08054466-S4 · 575 DEGRAW STREETOpen ↗
09/12/2026X01346325-I1 · 400 WALNUT AVENUEOpen ↗
Showing 3 of 19 on file for this type
▸Environmental & Asbestos36
▸DOB NOWDEP ACP-5: Asbestos Assessment Report22
08/28/2026B07997786-I1 · 575 DEGRAW STREETOpen ↗
08/27/2026B08054466-S3 · 575 DEGRAW STREETOpen ↗
08/27/2026B08054466-P1 · 575 DEGRAW STREETOpen ↗
Showing 3 of 22 on file for this type
▸DOB NOWOER: Notice to Proceed11
08/27/2026B08054466-S3 · 575 DEGRAW STREETOpen ↗
08/13/2026X00440761-I1 · 171 WEST 230 STREETOpen ↗
08/13/2026B07997786-I1 · 575 DEGRAW STREETOpen ↗
Showing 3 of 11 on file for this type
▸DOB NOWOER: Notice of Satisfaction3
08/13/2026X00440761-I1 · 171 WEST 230 STREETOpen ↗
08/13/2026X00440755-I1 · 171 WEST 230 STREETOpen ↗
Showing 2 of 3 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis.1
08/14/2026B00492962-I1 · 63 FLUSHING AVENUEOpen ↗
▸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-offs4
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)2
08/15/2026B00493942-I1 · 63 FLUSHING AVENUEOpen ↗
08/14/2026B00492962-I1 · 63 FLUSHING AVENUEOpen ↗
▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)2
08/15/2026B00493942-I1 · 63 FLUSHING AVENUEOpen ↗
08/14/2026B00492962-I1 · 63 FLUSHING AVENUEOpen ↗