Updated: Jul 02, 2026
Location and Projects
Address
33360 SANDPIPER PL, Fremont, CA, 94555
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Sunvault Solar Contractor
Sunvault, 33360 Sandpiper Pl, Fremont, CA (Employees: Charlie Duong, Charlie Duong, and Jithender Majjiga) holds a Roofing license and 3 other licenses 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 Sunvault, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Sunvault Contact Information
Phone Number: (240) 515-5671
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Address: 33360 SANDPIPER PL, Fremont, CA 94555
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Sunvault Fremont
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sunvault has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
2 projects
|
2026 |
|
95 projects
|
2025 |
|
76 projects
|
2024 |
|
155 projects
|
2023 |
Our building permit records indicate that Sunvault has worked on at least
328.0 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
|
6 projects
|
Home Additions |
|
273 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Sunvault mostly works on
solar installation
and home addition
projects.
Pricing
|
7 projects
|
< $5k |
|
65 projects
|
$5k-$20k |
|
126 projects
|
$20k-$50k |
|
7 projects
|
$50k-$100k |
The typical size of their permits is approximately $22,842. 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.
Photovoltaic solar permit with solarapp+ approval
2025-05-27
Solar app plus project id: sa20250526-9913-29-3871-a scope: photovoltaic solar array and storage (ess) photovoltaic system size: 7.36 kw dc (undefined) photovoltaic modules: rec group rec460aa pure rx 460w (16) inverter(s): enphase energy inc iq8x-80-m-us main panel upgrade/changeout: no
Valuation:
$22,159
Permit #:
B25-0486
Status:
issued
Fee:
$359
Permit Type:
N/A
Building Type:
N/A
10.12kw residential rooftop solar project with 2 x tesla powerwall 3 install (aggregate ess 13.5kwh * 2 = 27.0kwh) (22) roof mounted photovoltaic solar modules (22) enphase iq8x-80-m-us inverter(s)(240v). (1) tesla powerwall 3 inverter(s)(240v). (1) tesla powerwall 3 battery 1707000-xx-y (13.5kwh) (1) tesla powerwall 3 battery expansion unit 1807000-xx-y (13.5kwh) (1) tesla backup swi... see more
Valuation:
N/A
Permit #:
BLD2025-00130
Status:
final
Fee:
$643
Permit Type:
N/A
Building Type:
N/A
Solar app plus project id: sa20250605-9913-32-3871-a scope: photovoltaic solar array and storage (ess) photovoltaic system size: 9.2 kw dc (undefined) photovoltaic modules: rec460aa pure rx 460w (1) inverter(s): tesla powerwall 3 main panel upgrade/changeout: yes proposed main panel size: 200amps
Valuation:
$32,000
Permit #:
B25-0801
Status:
final
Fee:
$537
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20250930-2454-443-3871-a - installing 17 roof-mounted solar photovoltaic modules 460 watts per module total no. of rating 7.82 kw. 7.82kw residential rooftop solar with 10kwh storage (17 x rec460aa pure rx panels) with (1 x enphase 10c battery)
Valuation:
N/A
Permit #:
E202510016057
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
27kwh storage consisting of 2 x tesla powerwall 3 install (aggregate ess 13.5kwh * 2 = 27.0kwh) (22) roof mounted photovoltaic solar modules (22) enphase iq8x-80-m-us inverter(s)(240v). (1) tesla powerwall 3 inverter(s)(240v). (1) tesla powerwall 3 battery 1707000-xx-y (13.5kwh) (1) tesla powerwall 3 battery expansion unit 1807000-xx-y (13.5kwh) (1) tesla backup switch ess system: num... see more
Valuation:
N/A
Permit #:
BLD2025-00131
Status:
final
Fee:
$701
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20250930-2454-443-3871-a - installing 17 roof-mounted solar photovoltaic modules 460 watts per module total no. of rating 7.82 kw. 17 x rec460w panels with enphase iq8x microinverters 1 x enphase 10c battery
Valuation:
N/A
Permit #:
E202510016068
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20250930-2454-443-3871-a - installing 17 roof-mounted solar photovoltaic modules 460 watts per module total no. of rating 7.82 kw. 17 x rec460w panels with enphase iq8x microinverters 1 x enphase 10c battery
Valuation:
N/A
Permit #:
E202510016059
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20250930-2454-443-3871-a - installing 17 roof-mounted solar photovoltaic modules 460 watts per module total no. of rating 7.82 kw. 4.6kw residential rooftop solar with 10kwh storage
Valuation:
N/A
Permit #:
E202510016069
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20250930-2454-443-3871-a - installing 17 roof-mounted solar photovoltaic modules 460 watts per module total no. of rating 7.82 kw. 7.82kw residential rooftop solar with 10kwh storage
Valuation:
N/A
Permit #:
E202510016058
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tear off (e) shingles and reroof (n) comparable shingles plywood sheathing not being replaced 25 squares carport included in scope of work
Valuation:
$13,500
Permit #:
BRROOF-25-0135
Status:
final
Fee:
$463
Permit Type:
N/A
Building Type:
N/A
6.44kw residential rooftop solar project with 10kwh storage 14 x rec460w panels with enphase iq8x microinverters and 2 x enphase 5p batteries
Valuation:
N/A
Permit #:
BLD-2025-386
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration to a single family residence of a 6.44kw residential rooftop solar with 13.5kwh storage and 1 telsa powerwall
Valuation:
$20,000
Permit #:
BLD2025-01047
Status:
final
Fee:
$382
Permit Type:
Alteration
Building Type:
N/A
6.9kw residential rooftop solar with 10kwh storage 15 x rec460w panels with enphase iq8x microinverters 2 x enphase 5p batteries
Valuation:
N/A
Permit #:
BLD-2025-129
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20240802-2454-72-3871-a - installing 19 roof-mounted solar photovoltaic modules 420 watts per module total no. of rating 7.98 kw. 7.98kw residentail rooftop solar project with 1 x tesla powerwall 3
Valuation:
N/A
Permit #:
E202408026015
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
8kw residential rooftop solar system 20 x q cells 400w panels with iq8+ microinverters. no ev charger at this location per applicant. inspector to verify that any ev labeled breakers are removed and capped off as needed
Valuation:
$23,200
Permit #:
BLD2023-04395
Status:
complete
Fee:
$268
Permit Type:
N/A
Building Type:
N/A
Reroof with cool roof crrc #0668-0130 (certainteed llc landmark pro solaris® max def moire black asphalt shingle) 28 squares r-1-65. reroof from composite shingle to composite shingle no roof slope change
Valuation:
$13,000
Permit #:
B23-0636
Status:
final
Fee:
$302
Permit Type:
N/A
Building Type:
N/A
(1) new powerwall 3 battery storage ess (1) backup panel 120/240vac 1ph 3w (elec) - related to spv19-0048
Valuation:
$14,000
Permit #:
E25-0003
Status:
final
Fee:
$1,295
Permit Type:
N/A
Building Type:
N/A
Alteration to a single family residence of a 6.44kw residential rooftop solar with 13.5kwh storage
Valuation:
$20,000
Permit #:
BPA2025-00889
Status:
filed
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
For the solar + storage project on 33360 sandpiper pl fremont ca 94555 we are making the following changes to the approved plans: 1. 5 panels of lg 340w are being changed to q cells 400w like the rest of the 28 panels. so there are total of 33 q cells 400w panels. 2. the model of the battery is being changed from 1 pc x enphase enchange 10 to the new 2 pcs x enphase iq5p
Valuation:
N/A
Permit #:
BLD2023-03987-001
Status:
triage
Fee:
$52
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20241019-2454-110-3871-a - installing 23 roof-mounted solar photovoltaic modules 460 watts per module total no. of rating 10.58 kw. 10.58 kw with 13.5 kwh storage
Valuation:
N/A
Permit #:
E202410207686
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Sunvault License info
Verified License
| License # | 1114974 |
| Status | Active |
| State | California |
| Type | Roofing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Sunvault at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1058411 |
| Status | Active |
| State | California |
| Type | Solar |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sunvault at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1033463 |
| Status | Inactive |
| State | California |
| Type | 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. If this is your business, please update your license status.
Check this license's status for Sunvault at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1003820 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| 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. If this is your business, please update your license status.
Check this license's status for Sunvault 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 |
463
Permits
- Building permit records show that Sunvault has worked on 463 permitted projects.
Sunvault Employees
CD
Charlie Duong
Rmo
CD
Charlie Duong
Rmo
JM
Jithender Majjiga
Ceo / President
JM
Jithender Majjiga
Ceo / President
SS
Sameer Shafique Sayed
Rmo