Updated: May 20, 2026
Location and Projects
Address
3971 SEAGULL CT, Discovery Bay, CA, 94514
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Mark Dethlefsen Electrician
Mark Dethlefsen at 3971 SEAGULL CT, Discovery Bay, CA 94514, held a Electrician license (#835669) with the California contractors license board with an expiration date of 05-31-2007. We last verified the license was expired on 05-19-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Mark Dethlefsen Contact Information
Phone Number: (925) 759-7370
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Address: 3971 SEAGULL CT, Discovery Bay, CA 94514
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This is a sample of this contractor's permits. Click here to access their complete permit history.
As building per brian babine 10/2/2017: remove tile roof and install new sheathing and 28 squares of class a composition shingle. re-side over existing t1-11 with hardie on second floor north wall and east wall. install two new exterior lighting fixtures each side of garage door
Valuation:
$25,000
Permit #:
B17-4454
Status:
final
Fee:
$398
Permit Type:
N/A
Building Type:
N/A
Single family dwelling coastside design review permit coastal development permit exemption tree removal permit - significant coastside design review & cdx for a new 2-story 1, 675 sq/ft single-family residence with an attached 645 sq/ft garage on a 5, 275 sq/ft parcel; 2 trees to be removed
Valuation:
$0
Permit #:
PLN2007-00368
Status:
Approved
Fee:
$5,314
Permit Type:
N/A
Building Type:
N/A
Tree removal tree removal permit - significant after-the-fact tree removal permit (responding to vio2008-00115) for the unpermitted removal of one 24 dbh cypress tree
Valuation:
$0
Permit #:
PLN2008-00322
Status:
Approved
Fee:
$305
Permit Type:
N/A
Building Type:
N/A
Single family dwelling 50 pts single family dwelling 50 pts construct two (2) county standard concrete driveways extension of ave alhambra (see approved plans) and install underground utilities
Valuation:
$0
Permit #:
DPW2008-00255
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building/residential/building combo repair/cbrr
2008-04-16
Partial repair to exterior siding fascia trim like for like
Valuation:
$1,800
Permit #:
CBRR2008-00227
Status:
Finaled
Fee:
$136
Permit Type:
N/A
Building Type:
N/A
Addition 163 ft of redwood fence to property perimeter
Valuation:
$0
Permit #:
LMA09-021
Status:
APPROVED
Fee:
$334
Permit Type:
N/A
Building Type:
N/A
Agricultural storage building
Valuation:
$28,000
Permit #:
27280
Status:
final
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Gas permit
Valuation:
$0
Permit #:
H0010656
Status:
HISTORY
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Reroof
Valuation:
N/A
Permit #:
15505
Status:
final
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
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Mark Dethlefsen License info
Inactive License
| License # | 835669 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- According to the California Contractors State License 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 Mark Dethlefsen at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Mark Dethlefsen, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
7
Permits
- Building permit records show that Mark Dethlefsen has worked on 7 permitted projects.
Mark Dethlefsen Employees
MD
Mark Daniel Dethlefsen
Sole Owner