Updated: Apr 15, 2026
Location and Projects
Address
2557 Wyandotte St, Mountain View, CA, 94043
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Cobalt Power Systems Solar Contractor
Cobalt Power Systems Inc, 2557 Wyandotte St, Mountain View, CA (Employees: Barak Quesada and Mark Alan Byington) holds a Solar license according to the California license board.
Their BuildZoom score of 119 ranks in the top 1% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cobalt Power Systems Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cobalt Power Systems Inc Contact Information
Phone Number: (650) 938-9579
Address: 2557 Wyandotte St, Mountain View, CA 94043
Cobalt Power Systems Inc Mountain View
Quality
119
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cobalt Power Systems Inc has a BuildZoom score of 119, which places them above 99% of 336,931 contractors in California.
Activity
|
484 projects
|
2025 |
|
180 projects
|
2024 |
|
237 projects
|
2023 |
Our building permit records indicate that Cobalt Power Systems Inc has worked on at least
901.0 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
|
72 projects
|
Home Additions |
|
15 projects
|
Commercial Renovations |
|
3 projects
|
New Constructions |
|
742 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Cobalt Power Systems Inc mostly works on
solar installation
and home addition
projects.
Pricing
|
8 projects
|
< $5k |
|
45 projects
|
$5k-$20k |
|
200 projects
|
$20k-$50k |
|
80 projects
|
$50k-$100k |
|
16 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $35,000. 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 Cobalt Power Systems Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Solar:install 268.69kw (554) hanwha q.cells q.peak duo xl-g10.3/bfg 485 485w photovoltaic modules - (278) solar edge s1201 dual optimizers (2) inputs ea.(2) solar edge se120kus synergy photovoltaic inverters - (1) ironridge bx mounting system at 10° tilt-(1) squared load center 400a 3? 4w 480y/277vac main lugs pn #nf43
Valuation:
$404,393
Permit #:
202507030140
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Alteration to a single family residence for installation of a 19.92kw (48) roof mtd pv; (48) enphase microinverters;(1) 125a sub; (1) 400a sub; (1) enphase iq gw monitoring system (1) 200a tesla gw3; (4) tesla pw 3 = 54kwh; (2) push button remote battery disconnect; (1) 200a air conditioning disconnect du324urk
Valuation:
$98,422
Permit #:
BLD2025-00836
Status:
issued
Fee:
$1,509
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of a 19.92kw (48) roof mtd pv; (48) enphase microinverters;(1) 125a sub; (1) 400a sub; (1) enphase iq gw monitoring system (1) 200a tesla gw3; (4) tesla pw 3 = 54kwh; (2) push button remote battery disconnect; (1) 200a air conditioning disconnect du324urk
Valuation:
$98,422
Permit #:
BPA2025-00737
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Install 17.85kw (42) roof mtd pv; (16) mci-2 high current; (1) tesla gw3; (2) ess tesla pw3 - 27kwh; (1) tesla expansion unit = 13.5kwh; (1) tesla 2 meter dc expansion harness (p/n 1875157-20-x) ;(1) 200a air conditioning disconnect eaton dg324urk
Valuation:
$68,965
Permit #:
APP250590
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 14.94kw (36) roof mtd pv; (13) tesla mci-2 high current interrupter pvrse; (1) 200a subpanel essential loads with 200a main breaker; (2) tesla powerwall 3 - total output power = 23kw total energy = 27kwh; (1) 200a tesla gateway 2 with integrated 200a subpanel pvpw generation'; (1) push button remote battery disconnect. revision 1 - added one tesla powerwall 3 expansion unit an... see more
Valuation:
$63,984
Permit #:
BD-2025-298624
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Solar app plus project id: sa20250507-9913-26-2392-a scope: photovoltaic solar array and storage (ess) photovoltaic system size: 11.61 kw dc (undefined) photovoltaic modules: (27) qcells q.tron blk m-g2+ 430 solar panels (27) inverter(s): (27) enphase iq8a-72-m-us microinverters main panel upgrade/changeout: no
Valuation:
$46,200
Permit #:
B25-0416
Status:
issued
Fee:
$359
Permit Type:
N/A
Building Type:
N/A
Install 12.75kw (30) roof mtd pv; (7) tesla mci-1; (1) 200a tesla gw3; (1) tesla pw3 = 13.5kwh; (1) push button * in accordance with sb-379 this photovoltaic system was not reviewed for code compliance by the city of san mateo and is subject to revisions as necessary to meet all applicable codes during field inspections resulting in additional review fees
Valuation:
$42,700
Permit #:
SA-2025-297602
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration to a single family residence for installation of a photovoltaic 11.05kw (26); (6) mci-1; (1) tesla pw3 = 13.5kwh; (1) tesla pw3 expansion unit = 13.5kwh; (1) tesla 4 meter dc expansion harness (p/n 1875157-40-x);(1) push button; (1) 200a subpanel pvpw generation and (1) tesla bus
Valuation:
$38,140
Permit #:
BLD2025-00526
Status:
final
Fee:
$7
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of of a photovoltaic 11.05kw (26) (8) mci-1; (1) tesla pw3 = 13.5kwh;(1) tesla pw3 expansion unit = 13.5kwh; (1) tesla 4 meter dc expansion harness (p/n 1875157-40-x);(1) push button; (1) tesla bus; (1) tesla ev charger
Valuation:
$43,610
Permit #:
BLD2025-00521
Status:
final
Fee:
$8
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of a photovoltaic 11.05kw (26); (6) mci-1; (1) tesla pw3 = 13.5kwh; (1) tesla pw3 expansion unit = 13.5kwh; (1) tesla 4 meter dc expansion harness (p/n 1875157-40-x);(1) push button; (1) 200a subpanel pvpw generation and (1) tesla bus
Valuation:
$38,140
Permit #:
BPA2025-00445
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of of a photovoltaic 11.05kw (26) (8) mci-1; (1) tesla pw3 = 13.5kwh;(1) tesla pw3 expansion unit = 13.5kwh; (1) tesla 4 meter dc expansion harness (p/n 1875157-40-x);(1) push button; (1) tesla bus; (1) tesla ev charger
Valuation:
$43,610
Permit #:
BPA2025-00397
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of 11.05kw (26) roof mounted photovoltaic solar ; (6) tesla mci-1 mid-circuit interrupter pvrse; (1) tesla powerwall 3 - total output power = 11.5kw total energy = 13.5kwh; (1) tesla powerwall 3 expansion unit total energy = 13.5kwh; (1) tesla 2 meter dc expansion harness (p/n 1875157-20-x); - (1) tesla backup switch (bus)
Valuation:
$37,580
Permit #:
BLD2025-00157
Status:
final
Fee:
$7
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of 11.05kw (26) roof mounted photovoltaic solar ; (6) tesla mci-1 mid-circuit interrupter pvrse; (1) tesla powerwall 3 - total output power = 11.5kw total energy = 13.5kwh; (1) tesla powerwall 3 expansion unit total energy = 13.5kwh; (1) tesla 2 meter dc expansion harness (p/n 1875157-20-x); - (1) tesla backup switch (bus)
Valuation:
$37,580
Permit #:
BPA2025-00092
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of 5.10kw (12) roof mtd pv; (12) enphase iq8a microinverters; (1) enphase iq combiner subpanel photovoltaic generation; (1) tesla pw3 = 13.5kwh; (1) push button ; (1) tesla bus (for future electrification)
Valuation:
$28,466
Permit #:
BLD2025-00762
Status:
final
Fee:
$404
Permit Type:
Addition
Building Type:
N/A
Alteration to a single family residence for installation of 5.10kw (12) roof mtd pv; (12) enphase iq8a microinverters; (1) enphase iq combiner subpanel photovoltaic generation'; (1) tesla pw3 = 13.5kwh; (1) push button ; (1) tesla bus (for future electrification)
Valuation:
$28,466
Permit #:
BPA2025-00687
Status:
filed
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
(3) tesla powerwall 3 - total output power = 34.5kw total energy = 40.5kwh; - (1) 200a main breaker for existing main service panel; - (1) 200a tesla gateway 3 with integrated 200a subpanel pvpw generation - (1) 225a subpanel essential loads with 200a main breaker;- (1) 200a subpanel pvpw generation - (1) 200a air conditioning disconnect eaton dg324urk - (1) push button remote battery... see more
Valuation:
$29,684
Permit #:
BLD2025-00497
Status:
final
Fee:
$6
Permit Type:
Alteration
Building Type:
N/A
(3) tesla powerwall 3 - total output power = 34.5kw total energy = 40.5kwh; - (1) 200a main breaker for existing main service panel; - (1) 200a tesla gateway 3 with integrated 200a subpanel pvpw generation - (1) 225a subpanel essential loads with 200a main breaker;- (1) 200a subpanel pvpw generation - (1) 200a air conditioning disconnect eaton dg324urk - (1) push button remote battery... see more
Valuation:
$29,684
Permit #:
BPA2025-00414
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of install ess system (1) tesla powerwall 3 - total output power = 11.5kw total energy = 13.5kwh;(1) tesla powerwall 3 expansion unit total energy = 13.5kwh; (1) tesla 4 meter dc expansion harness (p/n 1875157-40-x);(1) push button remote battery disconnect; (1) bus
Valuation:
$18,217
Permit #:
BLD2025-01584
Status:
final
Fee:
$382
Permit Type:
Alteration
Building Type:
N/A
Alteration to a single family residence for installation of ess (2) tesla powerwall 3 - total output power = 23kw total energy = 27kwh; (1) tesla backup switch (bus) - (1) push button remote battery disconnect; (1) 175a main breaker for existing main service panel (see attached load calculations)
Valuation:
$21,717
Permit #:
BLD2025-00159
Status:
final
Fee:
$430
Permit Type:
Alteration
Building Type:
N/A
New 5.10kw dc stc photovoltaic system consists of the following: - (12) maxeon spr-max6-425-blk photovoltaic solar panels - (2) tesla mci-1 mid-circuit interrupter pvrse - (1) tesla powerwall 3 - total output power = 11.5kw total energy = 13.5kwh - (1) tesla backup switch (bus)
Valuation:
$22,120
Permit #:
ISP2025-00283
Status:
final
Fee:
$158
Permit Type:
N/A
Building Type:
N/A
Cobalt Power Systems Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cobalt Power Systems Inc License info
Verified License
| License # | 820697 |
| Status | Active |
| State | California |
| Type | Solar |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Cobalt Power Systems Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
119
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
2.6K
Permits
- Building permit records show that Cobalt Power Systems Inc has worked on 2639 permitted projects.
Cobalt Power Systems Inc Employees
BQ
Barak Quesada
Rmo
MB
Mark Alan Byington
Rmo / Ceo / Pres