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Updated: Jun 03, 2026
Location and Projects
Address
20861 Wilbeam Ave, Castro Valley, CA, 94546
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the Solar Company
The Solar Company specializes in residential, commercial, and agricultural solar power system installations. Located throughout Northern California, headquartered in the San Francisco Bay Area. Switch to Solar for your home or business! Lock in your savings today and watch those savings grow, year after year!
From BuildZoom:
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
If you are thinking of hiring the Solar Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
the Solar Company Services
Start a project today:
the Solar Company Contact Information
Phone Number: (510) 888-4488
Address: 20861 Wilbeam Ave, Castro Valley, CA 94546
the Solar Company Reviews
3 out of 5 stars, based on
2
reviews
-
By Teresa C.May 10, 2017Verified Hire
-
By Joel E.March 24, 2017Verified Hire
I do not recommend The Solar Company. The installation was fine but their customer service is horrible. I needed help to inspect my roof under the panels to investigate a leak. They did not show up to their scheduled appointment and they have not returned my calls or complaints.
This is a sample of this contractor's permits. Click here to access their complete permit history.
16.7 kw 51 panels
Valuation:
$80,000
Permit #:
GS16-002
Status:
final
Fee:
$3,762
Permit Type:
Ground mounted el...
Building Type:
N/A
Install new 7.5 kw roof mounted system
Valuation:
$23,000
Permit #:
RS16-011
Status:
final
Fee:
$29
Permit Type:
Roof mounted elec...
Building Type:
N/A
Install a new 4.5kwac pg&e grid tied solar
Valuation:
$14,000
Permit #:
B17-00032
Status:
approved
Fee:
$426
Permit Type:
N/A
Building Type:
N/A
Solar - install solar panels on the roof of the cadillac dealership - hybrid system - install 488 modules 269 444kw new 400amp disconnect to connect to (e) 1200amp panel; panels attached to unirac ballast tray - reviewed by engineer - tgar revison 1: vaarious label changes requested by inspector (see revision set 1). -mlm
Valuation:
N/A
Permit #:
BLD2015-01562
Status:
final
Fee:
$1,750
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2012 003256 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2015-12-03
Residence -4 inspections - install a roof top 2.6kw solar photovoltaic system. the system will consit of the following: 8 modules one (1) inverter and one (1) production meter. the inverter will be placed inside the garage and the production meter will be mounted adjacent to the main service meter on the exterior of the garage
Valuation:
$8,000
Permit #:
MISR2015-07437
Status:
complete
Fee:
$329
Permit Type:
N/A
Building Type:
N/A
Addition new 125 amp sub-panel for solar
Valuation:
$600
Permit #:
E16-012
Status:
final
Fee:
$165
Permit Type:
Electrical only
Building Type:
N/A
Intall roof top photovoltaic system field inspector to verify the following; a.) total panel weight (including frame) is 10lbs sq ft. b.) maximum concentrated load at each point of support is 152 pounds. c.) maximum height above the roof surface does not exceed 18 inches
Valuation:
$2,128,000
Permit #:
2014 009305 CI
Status:
issued
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
Intall roof top photovoltaic system field inspector to verify the following; a.) total panel weight (including frame) is 10lbs sq ft. b.) maximum concentrated load at each point of support is 152 pounds. c.) maximum height above the roof surface does not exceed 18 inches
Valuation:
$2,128,000
Permit #:
2014 019405 CI
Status:
final
Fee:
N/A
Permit Type:
Manufacturing
Building Type:
N/A
From inverter install 60 amp disconnect to main panel for ground mounted solar array installed with permit 16000249. this permit includes one inspection. additional inspections will be charged at the current rate. final inspection is required
Valuation:
$500
Permit #:
16000607
Status:
final
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Plan change: addition 30 amp breaker to msp. revised single line
Valuation:
N/A
Permit #:
REV16-0035
Status:
final
Fee:
$73
Permit Type:
R-solar
Building Type:
N/A
Ground mount solar array located north of the residence. 27 modules with 1 inverter. 8.8 kw this permit includes up to two inspections. additional inspections will be charged at the current rate. final inspection is required
Valuation:
$27,000
Permit #:
16000249
Status:
complete
Fee:
$365
Permit Type:
N/A
Building Type:
N/A
Addition 17 modules to existing ground mount solar array located north of the residence. this permit includes up to two inspections. additional inspections will be charged at the current rate. final inspection is required
Valuation:
$27,000
Permit #:
16001237
Status:
Open
Fee:
$365
Permit Type:
N/A
Building Type:
N/A
Plan change – revised 800 amp 208v 4w main service board met
Valuation:
N/A
Permit #:
REV16-0323
Status:
final
Fee:
$130
Permit Type:
R-solar
Building Type:
N/A
Field inspector to verify the following; a.) total panel weight (including frame) is not greater than 5 lbs sq ft. b.) maximum concentrated load at each point of support is not greater than 40 pounds. c.) maximum height above the roof surface does not exceed 18 inches. d.) 3 clearance for panel spacing at ridges eaves hips and valleys where panels are installed
Valuation:
$18,000
Permit #:
2015 010703 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Field inspector to verify the following; a.) total panel weight (including frame) is not greater than 5 lbs sq ft. b.) maximum concentrated load at each point of support is not greater than 40 pounds. c.) maximum height above the roof surface does not exceed 18 inches. d.) 3 clearance for panel spacing at ridges eaves hips and valleys where panels are installed
Valuation:
$20,000
Permit #:
2015 010699 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Install 5.5 kw photovoltaic solar panels on roof top field inspector to verify the following: (plan set with permit for reference) 1) 3 clearance for panel spacing at ridges eaves hips and valleys. 2) total panel weight (including frame) is not greater than 5lbs sq ft 3) maximum concentrated load at each point of support is not greater than 40lbs 4) maximum height above the roof surfa... see more
Valuation:
$16,000
Permit #:
2014 036525 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Install a 3.9 kw photovoltaic system a) total panel weight (including frame) is not greater than 5 pounds/square foot. b) maximum concertrated load at each point of support is not greater than 40 pounds. c) maximum height above the roof surface does not exceed 18 inches
Valuation:
$12,000
Permit #:
2014 035221 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Install a 3 kw photovoltaic system a) total panel weight (including frame) is not greater than 5 pounds/square foot. b) maximum concertrated load at each point of support is not greater than 40 pounds. c) maximum height above the roof surface does not exceed 18 inches
Valuation:
$11,000
Permit #:
2014 035220 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
5.8kw solar photovoltaic system and new 125 amp panel water conserving fixtures are required to be installed throughout this residence per sb 407 (note: residences built after january 1 1994 are exempt).”“all supply side connections or main breaker change-outs will require a second inspection” carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$18,000
Permit #:
RES-1609824
Status:
final
Fee:
$533
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
the Solar Company License info
License Not Verified
| License # | A090205 |
| Status | Active |
| Town | Woodside |
| Type | Subcontractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2017. Check the current license status of the Solar Company with the The Town of Woodside, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 596651 |
| Status | Inactive |
| State | California |
| Type | General Building, Solar |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for the Solar Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 596651 |
| Status | Inactive |
| City | Butte County |
| Type | Contractor |
| Business Type | Corporation |
- According to the Butte County, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for the Solar Company at the Butte County, CA.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are the Solar Company, log in and update your license info in the “Edit Profile” tab.
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | California Insurance Company |
3K
Permits
- Building permit records show that the Solar Company has worked on 3005 permitted projects.
the Solar Company Employees
MD
Mark Robert Danenhower
Sole Owner
The Solar Company did a very good job on our solar install. No issues at all I would recommend them without hesitation.