Updated: Mar 18, 2026
Location and Projects
Address
7119 GREENLY DR, Oakland, CA, 94605
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William Markus Electric
William Markus Electric, 7119 Greenly Dr, Oakland, CA (Employee: William Kenneth Markus Ii) holds a Electrical license according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William Markus Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William Markus Electric Contact Information
Phone Number: (510) 372-6932
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Address: 7119 GREENLY DR, Oakland, CA 94605
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William Markus Electric Oakland
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William Markus Electric has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
|
13 projects
|
2023 |
Our building permit records indicate that William Markus Electric has worked on at least
19.0 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
|
18 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that William Markus Electric mostly works on
electrical project
projects.
Pricing
|
13 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
The typical size of their permits is approximately $3,500. 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.
Building Permits by William Markus Electric
This is a sample of this contractor's permits. Click here to access their complete permit history.
Connected to adu20-0079 - install solar (adu - new detached accessory dwelling unit - solar photovoltaic on separate permit - 500 sq ft (bldg/mech/elec/plumbing) **certificate of occpancy****main house address is 1445 stanton st new detached address is 1445 stanton st unit c **)
Valuation:
$450
Permit #:
SPV21-0003
Status:
final
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
***main service upgrade on main house. 1 meter to 2 meters. 125 amps; underground connection paid on adu21-0087***panel model is mp22125 square d related to adu21-0087: for certificate of occupancy: construct new 500 sf detached adu with 1 bedroom & 1 bathroom. electrical service upgrade on main house for underground service to adu. new sub panel. main house address is 2624 eagle ave.... see more
Valuation:
$3,000
Permit #:
E21-0184
Status:
final
Fee:
$505
Permit Type:
N/A
Building Type:
N/A
***main service upgrade on main house. 1 meter to 2 meters. underground connection paid on adu21-0055*** for certificate of occupancy: contruct (n) 672 sf detached adu to include 1 bed 1 bathroom laundry & a great room; 100 amp sub panel. 2 meter service upgrade on main residence with underground connection to adu. main house address is 1096 versailles ave. new detached adu will be 10... see more
Valuation:
$3,000
Permit #:
E21-0145
Status:
final
Fee:
$865
Permit Type:
N/A
Building Type:
N/A
Approved by r bascara. installation service meter panel square d catalog no: mp55125 is confirmed euserc-compliant. related to adu22-0051. **previous fees paid adu21-0090 adu21-0091.**
Valuation:
$3,000
Permit #:
EW23-0060
Status:
final
Fee:
$534
Permit Type:
N/A
Building Type:
N/A
Install 6 recessed lights in kitchen area controlled by 2 dimmers. addition afci protection to existing lighting circuit
Valuation:
$1,800
Permit #:
EW25-0369
Status:
final
Fee:
$511
Permit Type:
N/A
Building Type:
N/A
***main service upgrade on main house. 1 meter to 2 meters. underground connection paid on adu21-0083*** for certificate of occupancy: contruct (n) 700 sf detached adu with 2 bedroom & 1 1/2 bathrooms; new sub panel. 2 meter service upgrade on main residence with underground connection to adu. main house address is 2518 eagle ave. new detached adu will be 2520 eagle ave. separate sola... see more
Valuation:
$3,000
Permit #:
E21-0180
Status:
final
Fee:
$715
Permit Type:
N/A
Building Type:
N/A
Install bathroom gfci receptacle for bidet
Valuation:
$250
Permit #:
EW25-0262
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
***main service upgrade on main house. 1 meter to 2 meters. 125 amps; 3/0 wire ***panel model is mp22125 square d ***related to adu22-0041
Valuation:
$4,000
Permit #:
EW22-0408
Status:
final
Fee:
$529
Permit Type:
N/A
Building Type:
N/A
Remove and replace main electrical panel from 125amp to 200amp squared model #sc3042m200ps fed with 2/0 copper
Valuation:
$4,500
Permit #:
EW24-0544
Status:
final
Fee:
$1,014
Permit Type:
N/A
Building Type:
N/A
Residential - install new solar photovoltaic system for adu - unit a; (6) modules; enphase inverter; 2.16kw dc watts (solar)
Valuation:
$8,000
Permit #:
SPV22-0138
Status:
applied
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
New two meter panel mp22125 euserc rated with 3/0 conductors. related to adu23-0001
Valuation:
$3,500
Permit #:
EW23-0148
Status:
final
Fee:
$536
Permit Type:
N/A
Building Type:
N/A
Adding new meter for adu23-0026. square d mpp44-125 350 mcm 300 amp. euserc rated
Valuation:
$4,000
Permit #:
EW23-0345
Status:
final
Fee:
$539
Permit Type:
N/A
Building Type:
N/A
Install 1.70kw solar photovoltaic system for accessory dwelling unit (solar)
Valuation:
$8,000
Permit #:
SPV22-0042
Status:
expired
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Main panel upgrade two meter for adu mp22125 euserc rated approved r. bascara feeder size 3/0
Valuation:
$5,000
Permit #:
EW22-0548
Status:
final
Fee:
$544
Permit Type:
N/A
Building Type:
N/A
New meter for adu23-0030. mp22-125 3/0 20p amp. euserc rated
Valuation:
$4,000
Permit #:
EW23-0346
Status:
final
Fee:
$539
Permit Type:
N/A
Building Type:
N/A
Kitchen electrical upgrade 5 circuits (2countertop dishwasher disposal range hood) new sub panel to accommodate new kitchen circuits
Valuation:
$4,000
Permit #:
EW21-0004
Status:
final
Fee:
$371
Permit Type:
N/A
Building Type:
N/A
Replace panel with square d #: sc3042m200ps with 2/0 copper wire
Valuation:
$3,500
Permit #:
EW25-0559
Status:
final
Fee:
$1,407
Permit Type:
N/A
Building Type:
N/A
Unit a - install 1.7kw solar photovoltaic system for adu; 5 modules (solar)
Valuation:
$8,000
Permit #:
SPV22-0116
Status:
final
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Installation of mini-split hvac system to replace gas fired heating
Valuation:
$5,000
Permit #:
MW24-0188
Status:
final
Fee:
$559
Permit Type:
N/A
Building Type:
N/A
Rewire knob and tube like for like addition 4 can lights with dimmer in living room addition sub panel
Valuation:
$12,000
Permit #:
EW21-0171
Status:
final
Fee:
$411
Permit Type:
N/A
Building Type:
N/A
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William Markus Electric Reviews
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Verified License
BuildZoom confirmed this contractor's license
William Markus Electric License info
Verified License
| License # | 1056584 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William Markus Electric at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Mid Century Insurance Company |
44
Permits
- Building permit records show that William Markus Electric has worked on 44 permitted projects.
William Markus Electric Employees
WI
William Kenneth Markus Ii
Sole Owner