Updated: Dec 19, 2025
Location and Projects
Address
4310 KNIGHTSEN AVENUE, Oakley, CA, 94561
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Delta Dawn Electric
Delta Dawn Electric, 4310 Knightsen Ave, Oakley, CA (Employee: Ryan Wayne Castagna) holds a Electrical license according to the California license board.
Their BuildZoom score of 105 ranks in the top 8% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Delta Dawn Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Delta Dawn Electric Contact Information
Phone Number: (925) 890-9504
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Address: 4310 KNIGHTSEN AVENUE, Oakley, CA 94561
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Delta Dawn Electric Oakley
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Delta Dawn Electric has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
8 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Delta Dawn Electric has worked on at least
32.0 projects over the past 3 years.
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.
Experience
|
31 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Delta Dawn Electric mostly works on
electrical project
projects.
Pricing
|
18 projects
|
< $5k |
|
1 project
|
$5k-$20k |
The typical size of their permits is approximately $3,000. This graph shows the distribution of these job values.
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
E-permit: applicant's detailed description: remove and replace 125amp main panel like for like; existing panel 125 amps - underground service new main panel 125 amps new install weather head/masthead work main breaker replacement residential customer acknowledgment: the installation of a surge-protective device (spd) is required in accordance with article 230.67 of the california elec... see more
Valuation:
$3,000
Permit #:
BP24-08269
Status:
final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Meter release || permit description: e-permit: applicant's detailed description: remove and replace 125amp main panel like for like; existing panel 125 amps - underground service new main panel 125 amps new install weather head/masthead work main breaker replacement residential customer acknowledgment: the installation of a surge-protective device (spd) is required in accordance with ... see more
Valuation:
N/A
Permit #:
BP24-08269.INSP01
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Miscellaneous electrical plumbing mechanical solar/pv electric vehicle charger generator (not for re
2025-05-08
There is currently no power in basement level. scope of work includes adding a sub panel convenience plugs throughout the garage and lighting
Valuation:
$10,000
Permit #:
MISR2025-00415
Status:
final
Fee:
$231
Permit Type:
N/A
Building Type:
N/A
E-permit: applicant's detailed description: replace 200amp service panel; existing panel 200 amps - overhead service new main panel 200 amps new install weather head/masthead work residential customer acknowledgment: the installation of a surge-protective device (spd) is required in accordance with article 230.67 of the california electrical code. the spd shall be an integral part of ... see more
Valuation:
$3,000
Permit #:
BP23-05197
Status:
final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
E-permit: applicant's detailed description: replace main service panel like for like; existing panel 200 amps - overhead service new main panel 200 amps replacement weather head/masthead work main breaker replacement residential customer acknowledgment: the installation of a surge-protective device (spd) is required in accordance with article 230.67 of the california electrical code. ... see more
Valuation:
$3,200
Permit #:
BP23-05105
Status:
expired
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
E-permit: existing panel 200 amps - overhead service new main panel 200 amps replacement weather head/masthead work main breaker replacement
Valuation:
$2,900
Permit #:
RES-2511022
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
Single family
E-permit: existing panel 200 amps - underground service new main panel 225 amps n/a weather head/masthead work
Valuation:
$3,000
Permit #:
RES-2504272
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
Single family
E-permit: applicant's detailed description: remove and replace like for like 200amp panel; existing panel 200 amps - overhead service new main panel 200 amps new install weather head/masthead work main breaker replacement residential customer acknowledgment: the installation of a surge-protective device (spd) is required in accordance with article 230.67 of the california electrical c... see more
Valuation:
$3,200
Permit #:
BP23-05549
Status:
final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Upgrade msp from 100a to 200a replace 100 a subpanel
Valuation:
$5,000
Permit #:
M25-032367
Status:
final
Fee:
$236
Permit Type:
N/A
Building Type:
N/A
Replace 125 amp main panel like for like. ch-01 7/9/25 new scope of work is upgrade main panel from 125 amp to 200 amp
Valuation:
$2,900
Permit #:
593254
Status:
final
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
R/r 125a main panel like for like
Valuation:
N/A
Permit #:
RES25-0590
Status:
final
Fee:
N/A
Permit Type:
Residentl
Building Type:
N/A
Emergency tenant has no power. remove and replace
Valuation:
$2,800
Permit #:
2024-02117
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bosch residence: remove and replace 100amp main panel like f
Valuation:
$4,000
Permit #:
B-EL25-0127
Status:
final
Fee:
$539
Permit Type:
Electrical
Building Type:
N/A
Miscellaneous electrical plumbing mechanical solar/pv electric vehicle charger generator (not for re
2025-07-18
Run new 30amp circuit for water heater. single family dwelling
Valuation:
$1,450
Permit #:
MISR2025-01901
Status:
final
Fee:
$247
Permit Type:
N/A
Building Type:
N/A
Adding 40amp breaker to existing panel install nema 14-50 plug and juicebox 32 charging station on side of house
Valuation:
$1,700
Permit #:
BLDG-2021-02181
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and replace 200amp main service panel
Valuation:
$3,200
Permit #:
BIE23-003454
Status:
withdrawn - no activity
Fee:
$198
Permit Type:
N/A
Building Type:
N/A
Replace main electrical service panel for e single family residence 200a
Valuation:
N/A
Permit #:
BP-2301975
Status:
complete
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Main electical panel upgrade to 200amp
Valuation:
$3,500
Permit #:
M23-028860
Status:
final
Fee:
$248
Permit Type:
N/A
Building Type:
N/A
Residential or agriculture electrical service 1000 amps or less
2024-08-01
200 amp electrical service change out @ dwelling c/s deo gloria dr
Valuation:
N/A
Permit #:
BLD2024-1666
Status:
final
Fee:
$167
Permit Type:
Electrical box ch...
Building Type:
N/A
Replace 200 amp main panel like for like
Valuation:
$2,900
Permit #:
B25-1622
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
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Delta Dawn Electric Reviews
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Verified License
BuildZoom confirmed this contractor's license
Delta Dawn Electric License info
Verified License
| License # | 1083450 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Delta Dawn Electric at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Employers Preferred Insurance Company |
36
Permits
- Building permit records show that Delta Dawn Electric has worked on 36 permitted projects.
Delta Dawn Electric Employees
RC
Ryan Wayne Castagna
Sole Owner