Updated: May 26, 2026
Location
Address
437 GRANT STREET SUITE 1600, Pittsburgh, PA, 15219
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Maclachlan Cornelius & Filoni Architect
Maclachlan Cornelius & Filoni Inc, 437 Grant St, Pittsburgh, PA (Owned by: Maclachlan, Cornelius , Filoni) holds a Architect Business Information license and 11 other licenses according to the Florida license board.
Their BuildZoom score of 93 ranks in the top 27% of 125,106 Pennsylvania licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Maclachlan Cornelius & Filoni Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Maclachlan Cornelius & Filoni Inc Contact Information
Phone Number: (412) 281-6568
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Address: 437 GRANT STREET SUITE 1600, Pittsburgh, PA 15219
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Verified License
BuildZoom confirmed this contractor's license
Maclachlan Cornelius & Filoni Inc License info
License Not Verified
| Status | Active |
| State | Florida |
| Type | Architect Business Information |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Maclachlan Cornelius & Filoni Inc with the Florida Department of Business & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
Verified License
| HIC # | AX000345L |
| Status | Active |
| State | Pennsylvania |
| Type | Architecture Firm |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Maclachlan Cornelius & Filoni Inc at the Pennsylvania Department of State (Bureau of Professional and Occupational Affairs).
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | 102763 |
| Status | Active |
| State | Kentucky |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Maclachlan Cornelius & Filoni Inc with the Kentucky Board of Architects
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | 102763 |
| Status | Active |
| State | Tennessee |
| Type | Architects |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Maclachlan Cornelius & Filoni Inc with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | 3134 |
| Status | Active |
| State | Tennessee |
| Type | Architectural Firms |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Maclachlan Cornelius & Filoni Inc with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | 3977 |
| Status | Active |
| State | Kentucky |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Maclachlan Cornelius & Filoni Inc with the Kentucky Board of Architects
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| HIC # | FIRM.00174150-ARC |
| Status | Active |
| State | Ohio |
| Type | Architectural Firm |
- When BuildZoom last verified this license, it had an expiration date of June, 2015. Check the current license status of Maclachlan Cornelius & Filoni Inc with the Ohio Architects Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | FIRM.00174150 |
| Status | Inactive |
| State | Ohio |
| Type | Architect |
- According to the Ohio Architects Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Maclachlan Cornelius & Filoni Inc at the Ohio Architects Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | ARC.9210034 |
| Status | Inactive |
| State | Ohio |
| Type | Architect |
- According to the Ohio Architects Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Maclachlan Cornelius & Filoni Inc at the Ohio Architects Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| State | Florida |
| Type | Architect Business Information |
- According to the Florida Department of Business & Professional Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | RA006830X |
| Status | Inactive |
| State | Pennsylvania |
| Type | Registered Architect |
- According to the Pennsylvania Department of State (Bureau of Professional and Occupational Affairs), the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Maclachlan Cornelius & Filoni Inc at the Pennsylvania Department of State (Bureau of Professional and Occupational Affairs).
This is a sample of licensing data; click here to access a complete history.
Inactive License
| HIC # | RA010047 |
| Status | Inactive |
| State | Georgia |
| Type | Architect / Interior Designer |
- According to the Georgia Department of Professional Licensing, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Maclachlan Cornelius & Filoni Inc at the Georgia Department of Professional Licensing.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Maclachlan Cornelius & Filoni Inc Employees
AH
Alan F Hohlfelder
Shareholder
AH
Alan Hohlfelder
Owner
AF
Albert Filoni
Managing Principal
AF
Albert L Filoni
Owner
AF
Albert L. Filoni
AF
Albert L. Filoni
Owner
BW
Benjamin T Wetmore
Shareholder
DL
Douglas M Lieb
Shareholder
MF
Maclachlan, Cornelius , Filoni
Owner
MI
Maclachlan, Cornelius , Filoni, Inc
Owner
MH
Mr Alan Franklin Hohlfelder
Owner
RR
Robert R Russ
Shareholder
RR
Robert Regan Russ
TP
Timothy L Powers
Shareholder
WS
William Szymczak
Shareholder