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Design Firm
JDH ENGINEERING
Design
1 project with open permitsQUEENS · 3BRONX · 2BROOKLYN · 2
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5 buildings
15
Total Filings
8
Projects on File
5
Buildings Worked
1
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month8 projects all-time
0123Jul '20 · 1Sep '20 · 1Nov '20 · 1Sep '21 · 1Dec '21 · 1Dec '22 · 2Feb '25 · 120212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit112%
Signed off675%
Filed only112%
By project type
Alteration8
Most active buildings
All buildings →
26-15 BROOKLYN QUEENS EXPRESSWAYQUEENS · latest 06/04/2026
3 projects
2300 LINDEN BOULEVARDBROOKLYN · latest 04/19/2022
2 projects
706 11 AVENUEMANHATTAN · latest 11/24/2020
1 projects
1301 RYAWA AVENUEBRONX · 1 open · latest 07/08/2025
1 projects
1502 BASSETT AVENUEBRONX · latest 11/23/2021
1 projects
Key relationships
Everyone →
Filing representatives
5 projects
People
All people →
TIM DENHARTIGHlatest 10/23/2025
13 filings
Filed under
JDH ENGINEERING15
Identified by the contact ids of the people who file for the firm and by its email domain (jdheng.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q08033920 ↗26-15 BROOKLYN QUEENS EXPRESSWAY
QUEENS
AlterationSigned-off12/13/202206/04/2026
Contractor HEINI LIMITED LIABILITY
Filer JAM CONSULTANTS, INC.
Minor foundation work for canopy installation - Related applications Q08033886, Q08033928, Q08033897, Q08033940, Q08033936, Q01022256
X01153089 ↗1301 RYAWA AVENUE
BRONX
AlterationPermit Issued02/11/202507/08/2025
Owner HDH 3.1 LLC
Contractor BOUND CONSTRUCTION CORP
Filer JAM CONSULTANTS, INC.
FILING FOR ST/FO WORK RELATED TO INTERIOR RENNOVATIONS
Q08042307 ↗26-15 BROOKLYN QUEENS EXPRESSWAY
QUEENS
AlterationFiled — no permit on record12/13/2022—
Filer JAM CONSULTANTS, INC.
—
B00640393 ↗2300 LINDEN BOULEVARD
BROOKLYN
AlterationSigned-off12/09/202104/19/2022
Owner TURNBRIDGE EQUITIES
Contractor SCHIMENTI CONSTRUCTION CO
Filer JAM CONSULTANTS, INC.
FILING FOR MINOR STRUCTURAL REPAIR IN LOADING DOCK AREA AS SHOWN ON PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
X00405377 ↗1502 BASSETT AVENUE
BRONX
AlterationSigned-off11/05/202011/23/2021
Contractor ARA CONSTRUCTION CORP
Filer JAM CONSULTANTS, INC.
Structural framing work above grade
Q00599229 ↗26-15 BROOKLYN QUEENS EXPRESSWAY
QUEENS
AlterationSigned-off09/28/202110/06/2021
Owner TERRENO REALTY CORP
Contractor BATSKA ENGINEERING, LLC
Filer JAM CONSULTANTS, INC.
FILING FOR MINOR STRUCTURAL REPAIR TO COLUMNS AT LOADING DOCK AS SHOWN ON PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
Counts cover all 8 projects (8 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
TIM DENHARTIGH1310/23/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SCHIMENTI CONSTRUCTION CO212/09/2021
ARA CONSTRUCTION CORP101/27/2021
B.R. FRIES & ASSOCIATES L109/28/2020
BATSKA ENGINEERING, LLC109/28/2021
BOUND CONSTRUCTION CORP107/08/2025
HEINI LIMITED LIABILITY104/22/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HDH 3.1 LLC107/08/2025
POTAMKIN DEVELOPMENT CO II LLC111/10/2020
TERRENO REALTY CORP109/28/2021
TURNBRIDGE EQUITIES112/09/2021
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JAM CONSULTANTS, INC.504/22/2026
8 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 8Open permit 1Signed off 6Filed only 1
8 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q08033920 ↗26-15 BROOKLYN QUEENS EXPRESSWAY
QUEENS
AlterationSigned-off12/13/202206/04/2026
Contractor HEINI LIMITED LIABILITY
Filer JAM CONSULTANTS, INC.
Minor foundation work for canopy installation - Related applications Q08033886, Q08033928, Q08033897, Q08033940, Q08033936, Q01022256
X01153089 ↗1301 RYAWA AVENUE
BRONX
AlterationPermit Issued02/11/202507/08/2025
Owner HDH 3.1 LLC
Contractor BOUND CONSTRUCTION CORP
Filer JAM CONSULTANTS, INC.
FILING FOR ST/FO WORK RELATED TO INTERIOR RENNOVATIONS
Q08042307 ↗26-15 BROOKLYN QUEENS EXPRESSWAY
QUEENS
AlterationFiled — no permit on record12/13/2022—
Filer JAM CONSULTANTS, INC.
—
B00640393 ↗2300 LINDEN BOULEVARD
BROOKLYN
AlterationSigned-off12/09/202104/19/2022
Owner TURNBRIDGE EQUITIES
Contractor SCHIMENTI CONSTRUCTION CO
Filer JAM CONSULTANTS, INC.
FILING FOR MINOR STRUCTURAL REPAIR IN LOADING DOCK AREA AS SHOWN ON PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
X00405377 ↗1502 BASSETT AVENUE
BRONX
AlterationSigned-off11/05/202011/23/2021
Contractor ARA CONSTRUCTION CORP
Filer JAM CONSULTANTS, INC.
Structural framing work above grade
Q00599229 ↗26-15 BROOKLYN QUEENS EXPRESSWAY
QUEENS
AlterationSigned-off09/28/202110/06/2021
Owner TERRENO REALTY CORP
Contractor BATSKA ENGINEERING, LLC
Filer JAM CONSULTANTS, INC.
FILING FOR MINOR STRUCTURAL REPAIR TO COLUMNS AT LOADING DOCK AS SHOWN ON PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
B00395223 ↗2300 LINDEN BOULEVARD
BROOKLYN
AlterationSigned-off09/28/202012/03/2020
Contractor B.R. FRIES & ASSOCIATES L
Related structural framing work
M00352566 ↗706 11 AVENUE
MANHATTAN
AlterationSigned-off07/23/202011/24/2020
Owner POTAMKIN DEVELOPMENT CO II LLC
Contractor SCHIMENTI CONSTRUCTION CO
Filer JAM CONSULTANTS, INC.
Relating structural framing work
Scope of Work
Structural — 2 projects · most recent 07/08/2025
Steel Concrete Masonry
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
26-15 BROOKLYN QUEENS EXPRESSWAY ↗610/23/2025
1301 RYAWA AVENUE ↗206/12/2025
2300 LINDEN BOULEVARD ↗212/01/2021
1502 BASSETT AVENUE ↗201/19/2021
706 11 AVENUE ↗310/30/2020
▾Documents — 85 on file (BIS + DOB NOW)
▸Plans & Drawings14
▸DOB NOWPlans/Sketch8
08/31/2026B00640393-I1 · 2300 LINDEN BOULEVARDRequest digital key ↗
08/27/2026Q00599229-I1 · 26-15 BROOKLYN QUEENS EXPRESSWAYRequest digital key ↗
08/25/2026Q08042307-I1 · 26-15 BROOKLYN QUEENS EXPRESSWAYRequest digital key ↗
Showing 3 of 8 on file for this type
▸DOB NOWPlans/Sketch - Structural6
09/04/2026M00352566-I1 · 706 11 AVENUERequest digital key ↗
09/04/2026M00352566-S1 · 706 11 AVENUERequest digital key ↗
09/02/2026B00395223-I1 · 2300 LINDEN BOULEVARDRequest digital key ↗
Showing 3 of 6 on file for this type
▸Applications & Permits2
▸DOB NOWHPD Certification Letter or CPC Special Permit2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Seals & Professional Certifications55
▸DOB NOWSpecial Inspector Seal & Signature32
09/28/2026X00405377-P1 · 1502 BASSETT AVENUEOpen ↗
09/28/2026X00405377-P1 · 1502 BASSETT AVENUEOpen ↗
09/28/2026X00405377-P1 · 1502 BASSETT AVENUEOpen ↗
Showing 3 of 32 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature14
08/25/2026X00405377-P1 · 1502 BASSETT AVENUEOpen ↗
08/19/2026X01153089-I1 · 1301 RYAWA AVENUEOpen ↗
08/17/2026Q08033920-I1 · 26-15 BROOKLYN QUEENS EXPRESSWAYOpen ↗
Showing 3 of 14 on file for this type
▸DOB NOWProgress Inspector Seal & Signature9
09/28/2026X00405377-P1 · 1502 BASSETT AVENUEOpen ↗
09/23/2026X00405377-I1 · 1502 BASSETT AVENUEOpen ↗
09/01/2026B00640393-I1 · 2300 LINDEN BOULEVARDOpen ↗
Showing 3 of 9 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWHPD-2: Clinton Special District Anti-Harassment Checklist3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWCertificate of No Harassment2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/19/2026X01153089-I1 · 1301 RYAWA AVENUEOpen ↗
08/13/2026B00640393-I1 · 2300 LINDEN BOULEVARDOpen ↗
08/13/2026Q00599229-I1 · 26-15 BROOKLYN QUEENS EXPRESSWAYOpen ↗
Showing 3 of 7 on file for this type
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2
08/13/2026B00395223-I1 · 2300 LINDEN BOULEVARDOpen ↗
Showing 1 of 2 on file for this type