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Design Firm
OLSON ENGINEERING SOLUTIONS, INC
Design
2 projects with open permitsQUEENS · 4
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4 buildings
4
Total Filings
4
Projects on File
4
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month4 projects all-time
0123Jul '24 · 1Sep '24 · 2Feb '26 · 1Jul '24Sep '24Nov '24Jan '25Mar '25May '25Jul '25Sep '25Nov '25Jan '26Feb '26
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit250%
Signed off250%
By project type
Alteration3
Alteration CO1
Most active buildings
All buildings →
56-01 55 AVENUEQUEENS · 1 open · latest 10/24/2025
1 projects
87-83 168 STREETQUEENS · latest 02/10/2026
1 projects
90-48 199 STREETQUEENS · latest 07/15/2024
1 projects
110-33 SUTPHIN BOULEVARDQUEENS · 1 open · latest 05/26/2026
1 projects
Key relationships
Everyone →
Design firms
1 projects
Filing representatives
2 projects
1 projects
Contractors
4 projects
1 projects
1 projects
1 projects
People
All people →
ANDREW OLSONlatest 12/04/2024
3 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01098927 ↗110-33 SUTPHIN BOULEVARD
QUEENS
Alteration COPermit Issued09/06/202405/26/2026
Owner SUTPHIN HOUSE LLC
Contractor ZK DEVELOPMENT CORP
Filer RCGA ARCHITECTS, PC
Propose to perform a interior renovation and convert use of First floor as a medical office.
Q01354766 ↗87-83 168 STREET
QUEENS
AlterationSigned-off02/04/202602/10/2026
Contractor ZK DEVELOPMENT CORP
FILING FOR TEMPORARY SCAFFOLD TO FINISH BALCONY WORK ONLY.
Q01070168 ↗56-01 55 AVENUE
QUEENS
AlterationPermit Issued09/20/202410/24/2025
Owner MACK MANAGEMENT & CONSTRUCTION CORP
Contractor ZK DEVELOPMENT CORP
Filer RCGA ARCHITECTS, PC
Installation of walk in freezer and mechanical equipment placed on the OSP at the rear.
Q01076694 ↗90-48 199 STREET
QUEENS
AlterationSigned-off07/06/202407/15/2024
Contractor ZK DEVELOPMENT CORP
Filer ZK DEVELOPMENT CORP
Installation of Temp. construction Fence on the grade level to facilitate construction work filed separately.
Counts cover all 4 projects (4 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
ANDREW OLSON312/04/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RCGA ARCHITECTS, P.C109/18/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ZK DEVELOPMENT CORP402/04/2026
CITYWIDE PLBG, HTG &SPRKL109/18/2025
HASAN A SALIM109/20/2024
KISHAN PLUMBING INC109/18/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MACK MANAGEMENT & CONSTRUCTION CORP109/20/2024
SUTPHIN HOUSE LLC109/18/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RCGA ARCHITECTS, PC209/18/2025
ZK DEVELOPMENT CORP107/06/2024
4 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 4Open permit 2Signed off 2
Any typeAlteration 3Alteration CO 1
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01098927 ↗110-33 SUTPHIN BOULEVARD
QUEENS
Alteration COPermit Issued09/06/202405/26/2026
Owner SUTPHIN HOUSE LLC
Contractor ZK DEVELOPMENT CORP
Filer RCGA ARCHITECTS, PC
Propose to perform a interior renovation and convert use of First floor as a medical office.
Q01354766 ↗87-83 168 STREET
QUEENS
AlterationSigned-off02/04/202602/10/2026
Contractor ZK DEVELOPMENT CORP
FILING FOR TEMPORARY SCAFFOLD TO FINISH BALCONY WORK ONLY.
Q01070168 ↗56-01 55 AVENUE
QUEENS
AlterationPermit Issued09/20/202410/24/2025
Owner MACK MANAGEMENT & CONSTRUCTION CORP
Contractor ZK DEVELOPMENT CORP
Filer RCGA ARCHITECTS, PC
Installation of walk in freezer and mechanical equipment placed on the OSP at the rear.
Q01076694 ↗90-48 199 STREET
QUEENS
AlterationSigned-off07/06/202407/15/2024
Contractor ZK DEVELOPMENT CORP
Filer ZK DEVELOPMENT CORP
Installation of Temp. construction Fence on the grade level to facilitate construction work filed separately.
Scope of Work
HVAC — 2 projects · most recent 09/18/2025
Air Conditioning Systems Refrigeration Systems
Sprinkler / Standpipe — 1 project · most recent 09/18/2025
Sprinkler System
Plumbing — 1 project · most recent 09/18/2025
Water/Sanitary
Fence / Scaffold / Sign / Shed — 1 project · most recent 07/06/2024
Fence
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
110-33 SUTPHIN BOULEVARD ↗112/04/2024
90-48 199 STREET ↗107/05/2024
56-01 55 AVENUE ↗106/21/2024
87-83 168 STREET ↗1—
▾Documents — 60 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/22/2026Q01076694-I1 · 90-48 199 STREETRequest digital key ↗
08/21/2026Q01070168-I1 · 56-01 55 AVENUERequest digital key ↗
08/17/2026Q01354766-I1 · 87-83 168 STREETRequest digital key ↗
Showing 3 of 8 on file for this type
▸Seals & Professional Certifications40
▸DOB NOWProgress Inspector Seal & Signature21
09/23/2026Q01098927-S3 · 110-33 SUTPHIN BOULEVARDOpen ↗
09/23/2026Q01098927-S3 · 110-33 SUTPHIN BOULEVARDOpen ↗
09/23/2026Q01098927-S3 · 110-33 SUTPHIN BOULEVARDOpen ↗
Showing 3 of 21 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature11
09/23/2026Q01098927-S3 · 110-33 SUTPHIN BOULEVARDOpen ↗
09/23/2026Q01098927-S3 · 110-33 SUTPHIN BOULEVARDOpen ↗
09/23/2026Q01098927-S3 · 110-33 SUTPHIN BOULEVARDOpen ↗
Showing 3 of 11 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/22/2026Q01076694-I1 · 90-48 199 STREETOpen ↗
08/21/2026Q01070168-I1 · 56-01 55 AVENUEOpen ↗
08/17/2026Q01354766-I1 · 87-83 168 STREETOpen ↗
Showing 3 of 8 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸DOB NOWStreet Tree Sign Off1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWStreet Trees Site Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Environmental & Asbestos5
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 5 on file for this type
▸Other Documents2
▸DOB NOWProperty Ownership Certification2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type