Updated: May 02, 2026
Location and Projects
Address
708 HWY 116 N 428, Sebastopol, CA, 95472
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First Response Solar Inc
First Response Solar Inc, 708 HWY 116 Hwy, Sebastopol, CA (Employees: Charles Paul Mathias and Dylan Scott Mathias) holds a Solar, Electrical license according to the California license board.
Their BuildZoom score of 111 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring First Response Solar Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
First Response Solar Inc Contact Information
Phone Number: (707) 888-1243
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Address: 708 HWY 116 N 428, Sebastopol, CA 95472
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First Response Solar Inc Sebastopol
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
First Response Solar Inc has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
83 projects
|
2025 |
|
66 projects
|
2024 |
|
90 projects
|
2023 |
Our building permit records indicate that First Response Solar Inc has worked on at least
239.0 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
|
94 projects
|
Home Additions |
|
6 projects
|
Commercial Renovations |
|
237 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that First Response Solar Inc mostly works on
solar installation
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
14 projects
|
$5k-$20k |
|
67 projects
|
$20k-$50k |
|
7 projects
|
$50k-$100k |
The typical size of their permits is approximately $30,000. 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.
Building Permits by First Response Solar Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove existing 3.7 kw 16 panel photovoltaic system and reinstall same in same location after reroof. pool solar will be removed and reinstalled by separate contractor under separate permit. original installation finaled under b11-0921
Valuation:
$6,000
Permit #:
B25-3801
Status:
final
Fee:
$416
Permit Type:
N/A
Building Type:
N/A
Install (1) roof mounted photovoltaic system on 2 detached single family dwellings on this lot - totaling 12.3 kw 30 modules and install (3) energy storage system 13.5 kwh total capacity each or 40.5 kwh total. 200 amp msp upgrade
Valuation:
$70,000
Permit #:
B25-2766
Status:
final
Fee:
$1,184
Permit Type:
N/A
Building Type:
N/A
Remove existing 3.2 kw (16) panel roof mounted solar and reinstall after reroof has been completed. reroof permit to be obtained by separate permit. original solar permit b13-2206 has been finaled
Valuation:
$4,000
Permit #:
B25-1437
Status:
final
Fee:
$416
Permit Type:
N/A
Building Type:
N/A
Remove existing 4.23kw roof mounted photovoltaic system and reinstall after reroof. reroof permit to be pulled by separate contractor and different permit
Valuation:
$6,000
Permit #:
B25-2642
Status:
final
Fee:
$416
Permit Type:
N/A
Building Type:
N/A
Installation of 8.82 roof mounted (21) panel roof mounted photovoltaic system and 30kwh (2) battery energy storage system
Valuation:
$55,000
Permit #:
B25-0908
Status:
final
Fee:
$994
Permit Type:
N/A
Building Type:
N/A
Roof mount installation of 11.07 kw dc photovoltaic system with 25kwh home storage battery; msp upgrade (the only change we are making is we are backup up 200-amp. previously we were doing a 150/175a backup. not even sure if a revision is needed for this since it is so minor but doing it just in case)
Valuation:
N/A
Permit #:
BLD24-1683.R01
Status:
complete
Fee:
$101
Permit Type:
N/A
Building Type:
N/A
Install roof mount 10.5 kw photovoltaic solar system 25 modules with 27 kwh energy storage system (2 13.5 kwh batteries)
Valuation:
$50,000
Permit #:
B25-2150
Status:
final
Fee:
$992
Permit Type:
N/A
Building Type:
N/A
Ground mount-install a 16.4 kw dc rated and 15.198 cec air conditioning rated ground mounted photovoltaic solar system. install a 20 kilowatt hour battery including transfer switch and protected loads panel. upgrade msp to 200-amp solar ready panel with 175-amp main breaker
Valuation:
N/A
Permit #:
BLD23-0874
Status:
final
Fee:
$1,641
Permit Type:
N/A
Building Type:
N/A
Single family dwelling ground mount (existing infrastructure) photovoltaic install 5.52 kw dc (2) 13.5kwh (27 kwh) home backup battery
Valuation:
N/A
Permit #:
BLD24-7883.R01
Status:
complete
Fee:
$101
Permit Type:
N/A
Building Type:
N/A
Roof mount installation of 25.83 kw dc photovoltaic system (revision: a separate company installed a generator before we did the solar so we are just altering our sld to show the generator that is now in place. no other changes)
Valuation:
N/A
Permit #:
BLD23-3302.R01
Status:
complete
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
New 6.56 kw roof mount 16-module photovoltaic solar system energy storage system 15 kwh upgrade msp 100 amps
Valuation:
$40,000
Permit #:
B25-1110
Status:
final
Fee:
$991
Permit Type:
N/A
Building Type:
N/A
Install roof-mount photovoltaic system - 1.54 kw four modules added to existing photovoltaic system finaled under b21-4817. main panel replacement (b21-5198) must be finaled prior to or at same time as this permit
Valuation:
$6,000
Permit #:
B23-0250
Status:
final
Fee:
$205
Permit Type:
N/A
Building Type:
N/A
Single family dwelling backup battery system (67.5 total storage) interconnect with existing photovoltaic solar system
Valuation:
N/A
Permit #:
BLD25-0555
Status:
final
Fee:
$465
Permit Type:
N/A
Building Type:
N/A
Residence roof mount solar panel install 11.34kw - single family dwelling 3.36kw adu single system
Valuation:
N/A
Permit #:
BLD24-5090
Status:
final
Fee:
$454
Permit Type:
N/A
Building Type:
N/A
Install roof-mount photovoltaic system - 6.715 kw 17 modules - with energy storage system (2) enphase encharge iq battery 5p (10 kwh total capacity and usable capacity). main panel upgrade to solar-ready 100 amp panel with 125 amp bus bar
Valuation:
$35,000
Permit #:
B23-5490
Status:
final
Fee:
$714
Permit Type:
N/A
Building Type:
N/A
Sfd-replace panels only on (e) ground mount solar array 27.88 kw
Valuation:
N/A
Permit #:
BLD23-1506
Status:
final
Fee:
$649
Permit Type:
N/A
Building Type:
N/A
Install a new roof mounted photovoltaic system 5.52 kw 12 modules and install (1) tesla powerwall 3 energy storage system 13.5 kwh total capacity
Valuation:
$35,000
Permit #:
B25-3431
Status:
final
Fee:
$990
Permit Type:
N/A
Building Type:
N/A
Installation of (24) roof mount solar modules 9.84kw. install manual transfer switch and protected loads panel (100-amps) 1-9-2023 revised to (26) panels 10.66kw and remove transfer switch
Valuation:
$32,000
Permit #:
B22-6383
Status:
final
Fee:
$338
Permit Type:
N/A
Building Type:
N/A
Sfd-install a 15.17 kw dc rated and 14.058 cec air conditioning rated roof mounted photovoltaic solar system. replace existing 200-amp electrical panel with 200-amp solar ready electrical panel (like kind)
Valuation:
N/A
Permit #:
BLD22-6774
Status:
final
Fee:
$569
Permit Type:
N/A
Building Type:
N/A
Install roof mounted photovoltaic system 10.25 kw 25 modules and install (2) energy storage system 13.5 each total capacity (27 kwh)
Valuation:
$55,000
Permit #:
B25-4901
Status:
final
Fee:
$1,006
Permit Type:
N/A
Building Type:
N/A
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First Response Solar Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
First Response Solar Inc License info
Verified License
| License # | 1039876 |
| Status | Active |
| State | California |
| Type | Solar, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for First Response Solar Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
374
Permits
- Building permit records show that First Response Solar Inc has worked on 374 permitted projects.
First Response Solar Inc Employees
CM
Charles Paul Mathias
Rmo / Ceo / Pres
DM
Dylan Scott Mathias
Officer