Updated: Jan 21, 2026
Location and Projects
Address
405 ENCINO VISTA DRIVE, Thousand Oaks, CA, 91362
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David Alexander Trephan Electrician
David Alexander Trephan, 405 Encino Vista Dr, Thousand Oaks, CA holds a Electrical license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring David Alexander Trephan, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
David Alexander Trephan Contact Information
Phone Number: (805) 797-4251
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Address: 405 ENCINO VISTA DRIVE, Thousand Oaks, CA 91362
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David Alexander Trephan Thousand Oaks
Quality
92
68th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
David Alexander Trephan has a BuildZoom score of 92, which places them above 68% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that David Alexander Trephan has worked on at least
2.0 projects over the past year.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
< $5k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by David Alexander Trephan
This is a sample of this contractor's permits. Click here to access their complete permit history.
Outdoor fireplace new stone veneer & planter box
Valuation:
N/A
Permit #:
25175
Status:
plancheck
Fee:
$708
Permit Type:
Residential
Building Type:
N/A
Replace old electric panel
Valuation:
$1,500
Permit #:
ELER-2024-0163
Status:
complete
Fee:
$227
Permit Type:
N/A
Building Type:
N/A
Solar photovoltaic
Valuation:
N/A
Permit #:
A1610-029
Status:
final
Fee:
N/A
Permit Type:
Misc
Building Type:
N/A
In back yard abandoned hot tub & above ground pool has mositure under it and its causing cock-roaches. please call back with dispo
Valuation:
$0
Permit #:
COD2001-08893
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove old built up roofing and install new bur over (e) solid sheathing class a. 173sqs
Valuation:
N/A
Permit #:
97016-20000-19325
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tear off install 1/2 osb and 22 sq of class a fiberglass shingles. smoke det. req'd
Valuation:
N/A
Permit #:
98016-20000-19867
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 97vn23238 165 additional squares of reroof. tear off reroof w/bur
Valuation:
N/A
Permit #:
97016-20001-19325
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tear off install 1/2 cdx and 32 sq class a comparable. shingles. smoke det. reqd
Valuation:
$0
Permit #:
97016-20000-19929
Status:
Permit Closed
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tear off install 3/4 cdx and 35 sq. class a comparable. shingles
Valuation:
N/A
Permit #:
98016-20000-06647
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tear off install 3/4 cdx and 35 sq. class a comparable. shingles
Valuation:
N/A
Permit #:
98016-20000-06648
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install 20''lf x 6'hx 8"wide block wall. per city specs
Valuation:
$480
Permit #:
BLD2001-03626
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for water heater replacement same location
Valuation:
$0
Permit #:
BLD2010-00541
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tear off reroof w 110 sq class a bur
Valuation:
N/A
Permit #:
98016-20000-19869
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
COD2001-09568
Status:
Closed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Combined permit: tear off & reroof w 1/2 cdx and 26 sq class a comparable. shingles. smoke det. req'd
Valuation:
N/A
Permit #:
97016-20000-18413
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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David Alexander Trephan Reviews
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Verified License
BuildZoom confirmed this contractor's license
David Alexander Trephan License info
Verified License
| License # | 766545 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for David Alexander Trephan at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
13
Permits
- Building permit records show that David Alexander Trephan has worked on 13 permitted projects.
David Alexander Trephan Employees
DT
David Alexander Trephan
Owner