Updated: Jul 01, 2026
Location and Projects
Headquarters Address
Riverview, FL, 33569
Local address
908 Olmstead Road, Baltimore, MD, 21208
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John J. Mulcahy, III Electrician
John J. Mulcahy, III, 908 Olmstead Rd, Baltimore, MD (Owned by: John J. Mulcahy, Iii) holds a Electricians 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 John J. Mulcahy, III, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John J. Mulcahy, III Contact Information
Headquarters Address: Riverview, FL, 33569
Local Address: 908 Olmstead Road, Baltimore, MD 21208
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Adrian calin (b06003398) work with bge-heavy up from 200amps to 400amps (existing 200 amp serv to be completely removed 30 kw-3 phase water jet 220 v, 3 phase 15kw bridge saw 380v 3 phase 15kw large bridge saw profiler 220v 20 amp work with bge
Valuation:
$0
Permit #:
E00060407
Status:
Completed
Fee:
$270
Permit Type:
N/A
Building Type:
N/A
Adrian calin (b06003398) work with bge-heavy up from 200amps to 400amps (existing 200 amp serv to be completely removed 30 kw-3 phase water jet 220 v, 3 phase 15kw bridge saw 380v 3 phase 15kw large bridge saw profiler 220v 20 amp work with bge
Valuation:
N/A
Permit #:
E00060407
Status:
complete
Fee:
$270
Permit Type:
N/A
Building Type:
N/A
Project number: b00155462 office building adrian calin/ int alt see attached list
Valuation:
$0
Permit #:
E00057218
Status:
Completed
Fee:
$380
Permit Type:
N/A
Building Type:
N/A
Project number: b00155462 office building adrian calin int alter see attached list
Valuation:
N/A
Permit #:
E00057218
Status:
complete
Fee:
$380
Permit Type:
N/A
Building Type:
N/A
Retail store serenity relaxation/int alter (b00151326) see attached list
Valuation:
$0
Permit #:
E00051980
Status:
Completed
Fee:
$408
Permit Type:
N/A
Building Type:
N/A
Retail store serenity relaxation/int alter (b00151326) see attached list
Valuation:
N/A
Permit #:
E00051980
Status:
complete
Fee:
$408
Permit Type:
N/A
Building Type:
N/A
Increase svc to 200 amps (heavy up)contact 410-653-9626
Valuation:
N/A
Permit #:
E09002390
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling heavy up to 200amp panel
Valuation:
$0
Permit #:
E00055493
Status:
Completed
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Single family dwelling heavy up to 200amp panel
Valuation:
N/A
Permit #:
E00055493
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
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John J. Mulcahy, III License info
Verified License
| License # | 7570 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for John J. Mulcahy, III 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 # | 7570 |
| Status | Active |
| State | Maryland |
| Type | Statewide Master Electrician Master Electrician |
- When BuildZoom last verified this license, it had an expiration date of June, 2013. Check the current license status of John J. Mulcahy, III with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
John J. Mulcahy, III Employees
JI
John J. Mulcahy, Iii
Owner