Updated: Jun 09, 2026
Location and Projects
Address
3949 RUFFIN RD STE C, San Diego, CA, 92123
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Hes Solar
Hes Solar, 3949 Ruffin Rd, San Diego, CA (Employee: Ross Anthony Williams) holds a Electrical license and 2 other licenses according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hes Solar, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hes Solar Contact Information
Phone Number: (866) 437-7639
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Address: 3949 RUFFIN RD STE C, San Diego, CA 92123
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Hes Solar San Diego
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hes Solar has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
12 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Hes Solar has worked on at least
29.0 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
|
17 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Hes Solar mostly works on
solar installation
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $100,000. 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.
[eplan] new commerical photovoltaic system rooftop ballast solar (280) modules of 530 w total: 148.4 kwdc (3) inverter of 50000 w/53000va total: 150 kwac/159kva (8) string panel: (1) 400a (panel)
Valuation:
N/A
Permit #:
25041-10000-00615
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new solar panels on (e) roof
Valuation:
$416,199
Permit #:
25016-10000-08451
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Otay mesa-- building electrical and mechanical permits to install a 500 kw battery storage system to an existing industrial building. exterior work. base zone: ih-1-1; cpioz-a; geo haz 53
Valuation:
$880,832
Permit #:
2333511
Status:
complete
Fee:
$1,673
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Otay mesa. building and electrical permit installation of battery pack system with an equipment pad consumption meter and 1 generation meter associated with the existing solar photovoltaic rooftop system. ih-1-1 cpioz-a geohaz 53
Valuation:
$1,194,215
Permit #:
2400643
Status:
complete
Fee:
$1,435
Permit Type:
Acc struct- non r...
Building Type:
N/A
Installation of photovoltaic system (22) modules (8) mci connectors system size 9.13kwdc 8.86kwac photovoltaic watt 5kw 13.5kwh battery storage system - 1 tesla pw3 1 tesla backup switch. 10/3/2024 revision 1: relocate 2 ess to exterior of home relocate 1 solar panel
Valuation:
$70,000
Permit #:
PV-2024-00024
Status:
complete
Fee:
$683
Permit Type:
N/A
Building Type:
N/A
Otay mesa-- building and electrical permit for new carport canopy mounted photovoltaic system carport foundations ground mounted equipment equipment pad on grade for an existing commercial building. base zone: ih-1-1 cipoz-a geo haz 53
Valuation:
$359,766
Permit #:
2291082
Status:
issued
Fee:
$16,489
Permit Type:
Acc struct- non r...
Building Type:
N/A
Express- mechanical/electrical/plumbing standalone:5040/logan
Valuation:
N/A
Permit #:
PRJ-1139032
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Otay mesa-- building and electrical permit for new carport canopy mounted photovoltaic system carport foundations ground mounted equipment equipment pad on grade for an existing commercial building. base zone: ih-1-1 cipoz-a geo haz 53
Valuation:
$250,338
Permit #:
2291185
Status:
issued
Fee:
$16,489
Permit Type:
Acc struct- non r...
Building Type:
N/A
Energy efficiency permits (residential) | solar (roof mount or ground mount) ev charger grey water
2025-02-07
4000 watt photovoltaic system - 10 modules -10 microinveters - paired with 1 ess sunvault 6.8 kw - 1 sunpower hub+ - roof mounted system
Valuation:
N/A
Permit #:
MEPR-029872-2024
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Energy efficiency permits (residential) | solar (roof mount or ground mount) ev charger grey water
2024-07-02
9430 watt solar photovoltaic system with ess 23 modules - 9 mci connectors - roof mounted solar
Valuation:
$37,215
Permit #:
MEPR-030822-2024
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
6480 watt roof mounted solar photovoltaic system consisting of 18 air conditioning modules with integrated microinverters
Valuation:
$29,209
Permit #:
PMT22-10487
Status:
final
Fee:
$258
Permit Type:
Solar permit
Building Type:
N/A
Energy efficiency permits (residential) | solar (roof mount or ground mount) ev charger grey water
2025-02-07
10800 watt photovoltaic system - 27 modules - 27 microinverters - roof mounted system - paired with 2 sunvaults
Valuation:
N/A
Permit #:
MEPR-029887-2024
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Otay mesa-- building and electrical permit for new carport canopy mounted photovoltaic system carport foundations ground mounted equipment equipment pad on grade for an existing commercial building. base zone: ih-1-1 cipoz-a geo haz 53
Valuation:
$94,050
Permit #:
2291133
Status:
issued
Fee:
$16,489
Permit Type:
Acc struct- non r...
Building Type:
N/A
Energy efficiency permits (residential) | solar (roof mount or ground mount) ev charger grey water
2023-02-02
9600 watt solar photovoltaic system - 24 modules - 24 microinverters - roof mounted
Valuation:
N/A
Permit #:
MEPR-024126-2023
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Otay mesa-- building and electrical permit for new carport canopy mounted photovoltaic system carport foundations ground mounted equipment equipment pad on grade for an existing commercial building. base zone: ih-1-1 cipoz-a geo haz 53
Valuation:
$47,146
Permit #:
2291174
Status:
issued
Fee:
$16,489
Permit Type:
Acc struct- non r...
Building Type:
N/A
Otay mesa-- building and electrical permit for new carport canopy mounted photovoltaic system carport foundations ground mounted equipment equipment pad on grade for an existing commercial building. base zone: ih-1-1 cipoz-a geo haz 53
Valuation:
$47,146
Permit #:
2291155
Status:
issued
Fee:
$16,489
Permit Type:
Acc struct- non r...
Building Type:
N/A
Otay mesa-- building and electrical permit for new carport canopy mounted photovoltaic system carport foundations ground mounted equipment equipment pad on grade for an existing commercial building. base zone: ih-1-1 cipoz-a geo haz 53
Valuation:
$47,146
Permit #:
2291138
Status:
issued
Fee:
$16,489
Permit Type:
Acc struct- non r...
Building Type:
N/A
Otay mesa-- building and electrical permit for new carport canopy mounted photovoltaic system carport foundations ground mounted equipment equipment pad on grade for an existing commercial building. base zone: ih-1-1 cipoz-a geo haz 53
Valuation:
$47,146
Permit #:
2291135
Status:
issued
Fee:
$16,489
Permit Type:
Acc struct- non r...
Building Type:
N/A
Plan - mechanical/electrical/plumbing standalone
2025-06-04
Express- mechanical/electrical/plumbing standalone:7675/mission valley
Valuation:
N/A
Permit #:
PRJ-1137719
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plan - mechanical/electrical/plumbing standalone
2025-06-05
Express- mechanical/electrical/plumbing standalone:11943/el camino real
Valuation:
N/A
Permit #:
PRJ-1137766
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Hes Solar License info
Verified License
| License # | 1102539 |
| Status | Active |
| State | California |
| Type | Electrical |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hes Solar at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| State | California |
| Type | C46 - SOLAR C10 - ELECTRICAL |
- When BuildZoom last verified this license, it had an expiration date of October, 2021. Check the current license status of Hes Solar with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1102539 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
- According to the City of Oceanside, CA, 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 Hes Solar at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
59
Permits
- Building permit records show that Hes Solar has worked on 59 permitted projects.
Hes Solar Employees
RW
Ross Anthony Williams
Rmo / Ceo / Pres