Updated: May 14, 2026
Location and Projects
Address
39899 BALENTINE DR STE 200, Newark, CA, 94560
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Nabu Solar
Nabu Solar, 39899 Balentine Dr, Newark, CA (Owned by: Ralf Norbert Schulze) holds a Electrical license and 1 other license according to the California license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Nabu Solar, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Nabu Solar Contact Information
Phone Number: (510) 737-6228
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Address: 39899 BALENTINE DR STE 200, Newark, CA 94560
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Nabu Solar Newark
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Nabu Solar has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
134 projects
|
2025 |
|
49 projects
|
2024 |
|
175 projects
|
2023 |
Our building permit records indicate that Nabu Solar has worked on at least
358.0 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
|
5 projects
|
Home Additions |
|
339 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Nabu Solar mostly works on
solar installation
and home addition
projects.
Pricing
|
12 projects
|
< $5k |
|
21 projects
|
$5k-$20k |
|
157 projects
|
$20k-$50k |
|
7 projects
|
$50k-$100k |
The typical size of their permits is approximately $28,000. 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.
Installation of 15.18 kw roof mount solar photovoltaic system total 33 solar panels each 460w and (1) ess unit with a capacity of 13.5 kwh and (1) ess expansion unit with a capacity of 13.5 kwh
Valuation:
$48,000
Permit #:
ISP2025-00426
Status:
complete
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Solar app plus project id: sa20250929-9913-95-356-a scope: photovoltaic solar array and storage (ess) photovoltaic system size: 6.15 kw dc (undefined) photovoltaic modules: maxeon spr-max3-410-blk-r (1) inverter(s): tesla - powerwall3 1707000-xx-y main panel upgrade/changeout: no
Valuation:
$34,000
Permit #:
B25-1000
Status:
issued
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
Solar app plus project id: sa20250826-9913-65-356-a scope: photovoltaic solar array and storage (ess) photovoltaic system size: 8.800 kw dc (undefined) photovoltaic modules: hyundai solar his-t440nf(bk) 440 w (1) inverter(s): tesla inc 1707000-xx-y {240v 11.5kw} main panel upgrade/changeout: no
Valuation:
$34,500
Permit #:
B25-0871
Status:
final
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
Installation of 10.58 kw roof mount solar photovoltaic system total 23 solar panels each 460w and (1) ess unit with a capacity of 13.5 kwh and (1) ess expansion unit with a capacity of 13.5 kwh
Valuation:
$40,000
Permit #:
ISP2025-00407
Status:
complete
Fee:
$162
Permit Type:
N/A
Building Type:
N/A
Solar app plus project id: sa20250603-9913-31-356-a scope: photovoltaic solar array and storage (ess) photovoltaic system size: 10.12 kw dc (undefined) photovoltaic modules: rec solar rec460aa pure-rx (1) inverter(s): tesla powerwall 3 - 1707000-xx-y main panel upgrade/changeout: no
Valuation:
$30,000
Permit #:
B25-0509
Status:
issued
Fee:
$359
Permit Type:
N/A
Building Type:
N/A
A single family residnece to install a11.96kw roof mount solar photovoltaic system total 26 solar panels each 460w and (1) ess unit with a capacity of 13.5kwh & (1)ess expansion unit with a capacity of 13.5kwh
Valuation:
$43,000
Permit #:
BLD2025-02774
Status:
final
Fee:
$483
Permit Type:
Alteration
Building Type:
N/A
Installation of 10.56kw roof mount solar photovoltaic system with a total 24 solar panels each 440 w and (1) ess unit with a capacity of 11.5 kwh
Valuation:
$46,000
Permit #:
ISP2026-00132
Status:
complete
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Rooftop mounted solar energy system pv+st 20 his-t440nf(bk) solar modules 1 1707000-xx-y {240v 11.5kw} inverter 1 1707000-xx-y {11.5kw} ess new subpanel count - 1 system size: 8.8 kw dc (11.51 kw ac)
Valuation:
$40,000
Permit #:
ISP2026-00277
Status:
complete
Fee:
$387
Permit Type:
N/A
Building Type:
N/A
Installation of 10.56 kw roof mount solar photovoltaic system total 24 solar panels each 460w and (1) ess unit with a capacity of 13.5 kwh and (1) ess expansion unit with a capacity of 13.5 kwh
Valuation:
$49,000
Permit #:
ISP2026-00179
Status:
complete
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
Installation of 9.2 kw roof mount solar photovoltaic system total 20 solar panels each 460w and (1) ess unit with a capacity of 13.5 kwh and (1) ess expansion unit with a capacity of 13.5 kwh
Valuation:
$50,000
Permit #:
ISP2026-00154
Status:
issued
Fee:
$349
Permit Type:
N/A
Building Type:
N/A
Re-install the solar panels on of the roof section as the roof layout changes due to house remodeling work. this has been clouded on plan set. this is a existing solar photovoltaic system. old permit #bld2023-07817
Valuation:
$2,000
Permit #:
REP2026-00004
Status:
issued
Fee:
$483
Permit Type:
N/A
Building Type:
N/A
Installation of 9.2 kw roof mount solar photovoltaic system total 20 solar panels each 460 w and (2) ess units with a capacity of 13.5 kwh each
Valuation:
$38,000
Permit #:
ISP2025-00263
Status:
complete
Fee:
$156
Permit Type:
N/A
Building Type:
N/A
Installation of 10.58kw roof mount solar photovoltaic system total 23 solar panel each 460w and (1)ess unit with a capacity of 13.5kwh and (1) ess expansion unit with a capacity of 13.5kwh
Valuation:
$43,000
Permit #:
ISP2025-00493
Status:
final
Fee:
$366
Permit Type:
N/A
Building Type:
N/A
Re-installation of existing (65) solar panels and installation of new (3) 430w solar panels (18.19 kw) ; (1) tesla powerwall 3; (1) tesla powerwall expansion unit and (1) tesla inverter
Valuation:
$42,000
Permit #:
REP2026-00025
Status:
complete
Fee:
$944
Permit Type:
N/A
Building Type:
N/A
Installation of 10.12 kw roof mount solar photovoltaic system total 22 solar panels each 460w and (1) ess unit with a capacity of 13.5 kwh
Valuation:
$32,900
Permit #:
ISP2025-00433
Status:
final
Fee:
$161
Permit Type:
N/A
Building Type:
N/A
Installation of 9.2 kw roof mount solar photovoltaic system total 20 solar panels each 460w and (1) ess unit with a capacity of 13.5 kwh
Valuation:
$42,000
Permit #:
ISP2025-00403
Status:
complete
Fee:
$162
Permit Type:
N/A
Building Type:
N/A
Installation of 13.340 kw roof mounted solar photovoltaic system. total 29 solar panels each 460w with (2) powerwall 3 batteries with (2) tesla gateway 3
Valuation:
N/A
Permit #:
PRE25-00063
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of roof mounted solar photovoltaic of capacity 8.74 kw 19 panels of 460 wp with (1) tesla powerwall 3 of capacity 11.5 kw
Valuation:
$35,000
Permit #:
ISP2025-00345
Status:
complete
Fee:
$161
Permit Type:
N/A
Building Type:
N/A
Installation of 13.340 kw roof mounted solar photovoltaic system. total 29 solar panels each 460w with (2) powerwall 3 batteries with (2) tesla gateway 3
Valuation:
N/A
Permit #:
B25-0056
Status:
final
Fee:
$476
Permit Type:
N/A
Building Type:
Dwellings
Installation of 9.2 kw roof mounted solar photovoltaic system total 20 solar panels each 460wp and (1) ess unit with a capacity of 13.5 kwh
Valuation:
$30,000
Permit #:
ISP2025-00210
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
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Nabu Solar Reviews
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Verified License
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Nabu Solar License info
Verified License
| License # | 1052356 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Nabu Solar at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 910316 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- 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 Nabu Solar at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Insured
| Insurer | Kinsale Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
566
Permits
- Building permit records show that Nabu Solar has worked on 566 permitted projects.
Nabu Solar Employees
BK
Bhushan Kunjeer
Officer
BK
Bhushan Kunjeer
Officer
EI
Enersaas Inc
Member
JK
James Yongsung Kang
Rme
RS
Ralf Norbert Schulze
Owner
SP
Srinivas Rao Penumechchu
Ceo / President
SL
Srp Solutions Llc
Member