Updated: Mar 05, 2026
Location and Projects
Address
2518 N CALVERT ST 2ND FLOOR, Havre De Grace, MD, 21078
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John Gordon Donovan Jr Electrician
John Gordon Donovan Jr, 2518 N Calvert St, Havre De Grace, MD holds a Electricians license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 98 ranks in the top 16% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Gordon Donovan Jr, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John Gordon Donovan Jr Contact Information
Address: 2518 N CALVERT ST 2ND FLOOR, Havre De Grace, MD 21078
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Building Permits by John Gordon Donovan Jr
This is a sample of this contractor's permits. Click here to access their complete permit history.
Hook up 100amp panel for mobile home. (bp <span style="background-color: rgb(229 229 229);">placement of (used 2000 yr) singlewide mobile home)
Valuation:
N/A
Permit #:
202202104
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Rough wire and completion (bp <span style="background-color: rgb(229 229 229);">construction of single family dwelling with attached garage)</s
Valuation:
N/A
Permit #:
202200511
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Hook up mobile home (bp <span style="background-color: rgb(229 229 229);">placement of 1998 used swmh)</span>
Valuation:
N/A
Permit #:
202202105
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Hook up trailer to existing pedestal (bp <span style="background-color: rgb(229 229 229);">placement of (used 2003 yr single wide mobile home)<
Valuation:
N/A
Permit #:
202203881
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Perform interior alterations to 2 adjoining suites for new tenant. tenant will be valence vector labs in units 1 & 2
Valuation:
$50,000
Permit #:
419547
Status:
complete
Fee:
$265
Permit Type:
Elecperm
Building Type:
N/A
200 amp service entry cable (bp <span style="background-color: rgb(229 229 229);">2000 used dwmh 3 bedrooms 2 full baths will have elect
Valuation:
N/A
Permit #:
202100357
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Above ground pool (bp <span style="background-color: rgb(229 229 229);">installation of an oval vinyl above ground pool 32 x 16.)</span>
Valuation:
N/A
Permit #:
202104399
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Electrical permit for line voltage installation for service upgrade change to 200 amp
Valuation:
N/A
Permit #:
202301805
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Wiring equipment to pool-210071 to include power to the control box pool pump low voltage lighting and gfi receptacles
Valuation:
N/A
Permit #:
ELEC-211549
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install lights on screen porch. bp=<span style="display: inline important; float: none; background-color: rgb(255 255 255); color: rgb(26 26 26);
Valuation:
N/A
Permit #:
202039971
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Hook existing meter and disconnect to trailer (bp=2008 used double wide mobile home with 2 4x4 decks 3 bedrooms 2 full baths natural gas heat)
Valuation:
N/A
Permit #:
202041491
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Hook existing meter to trailer disconnect (bp=2004 used double wide mobile home with 2 decks 3 bedrooms 2 full baths propane heat)
Valuation:
N/A
Permit #:
202041490
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Residential service change 200 amp up grade
Valuation:
N/A
Permit #:
202300007
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Service work only service and/or subpanel
Valuation:
N/A
Permit #:
202300032
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Rewire existing house interior & exterior renovation to existing fire damaged dwelling
Valuation:
N/A
Permit #:
202302232
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Residential install 200 amp meter can
Valuation:
N/A
Permit #:
202300313
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
House vacant need cut in card drove one ground rod per code
Valuation:
N/A
Permit #:
202101435
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
200 amp upgrade (2) minisplit systems (1) hot water heater
Valuation:
N/A
Permit #:
202105269
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Temporary service to have power on property to work with power tools etc
Valuation:
N/A
Permit #:
202041493
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Service work only
Valuation:
N/A
Permit #:
202300031
Status:
issued
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
John Gordon Donovan Jr License info
Verified License
| License # | 4416 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for John Gordon Donovan Jr 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 # | 4416 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- When BuildZoom last verified this license, it had an expiration date of October, 2019. Check the current license status of John Gordon Donovan Jr with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 4416 |
| Status | Inactive |
| State | Maryland |
| Type | Electricians |
- According to the Maryland Department of Labor, Licensing & 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.
Check this license's status for John Gordon Donovan Jr at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
26
Permits
- Building permit records show that John Gordon Donovan Jr has worked on 26 permitted projects.
John Gordon Donovan Jr Employees
JJ
John Gordon Donovan Jr
Owner