Updated: May 09, 2026
Location and Projects
Address
Catonsville, MD, 21228
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Theodore F. Mariani Architect
Theodore F. Mariani, Catonsvile, MD (Owned by: Theodore F Mariani) holds a Architects license and 1 other license according to the Maryland license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Theodore F. Mariani, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential addition single family dwelling permit
2004-03-25
Sfd*5/21/04 structural changes* w/porch same with 1 1/2 story part basement 4r accessory building library hot tub area kitchen 2 fp 2fb *90 day extension granted thru 7-2-0790 day extension granted thru 10-2-07**90 day extension granted thru 7-8-10
Valuation:
$160,000
Permit #:
B00147070
Status:
Expired
Fee:
$5,376
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2004-12-27
Single family dwelling sfd-1@1/2 st addition 2-car garage w/storage above covered passage *90 day extension granted thru 7-2-07* 90 day extension granted thru 10-02-07*90 day extension granted thru 7-8-10
Valuation:
$80,000
Permit #:
B00151676
Status:
Expired
Fee:
$6,422
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Theodore F. Mariani License info
Verified License
| License # | 2394 |
| Status | Active |
| State | Maryland |
| Type | Architects |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Theodore F. Mariani at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | S5-0005479 |
| Status | Active |
| State | Delaware |
| Type | Architecture, Licensed Architect |
- When BuildZoom last verified this license, it had an expiration date of July, 2015. Check the current license status of Theodore F. Mariani with the Delaware Board of Architects
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
Theodore F. Mariani Employees
TM
Theodore F Mariani
Owner
TM
Theodore F. Mariani
Owner