Updated: Apr 25, 2026
Location and Projects
Address
18400 BARRETT AVE, Sonoma, CA, 95476
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B D S Solar Contractor
B D S, 18400 Barrett Ave, Sonoma, CA (Employees: Bernadette Marie Costa, Billy Dale De Vore, and Saulius David Dikinis) holds a General Building, Electrical, Solar license and 1 other license according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring B D S, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
B D S Contact Information
Phone Number: (707) 373-2021
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Address: 18400 BARRETT AVE, Sonoma, CA 95476
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B D S Sonoma
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
B D S has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that B D S has worked on at least
13.0 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
|
9 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that B D S mostly works on
solar installation
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$50k-$100k |
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.
The existing battery storage system was installed in july 2020. see permit br20-01105-aes. the battery has suffered from frequent shutdowns and the manufacturer is providing a similar battery system under warranty. this permit application is to replace the original (page 10) with a new system (page 11)
Valuation:
$2,500
Permit #:
S24-01086-RES
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfd- 10.6 kw roof mounted solar photovoltaic installation install enphase smart transfer switch
Valuation:
N/A
Permit #:
BLD22-0425
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
Single family dwelling roof mount solar panel install 21.33 kw on existing barn
Valuation:
N/A
Permit #:
BLD23-2516
Status:
final
Fee:
$544
Permit Type:
N/A
Building Type:
N/A
Sfd-roof mount solar panel install 17.38 kw on (e) detached garage
Valuation:
N/A
Permit #:
BLD23-1805
Status:
final
Fee:
$484
Permit Type:
N/A
Building Type:
N/A
Sfd-add battery backup and storage (10kwh) to existing single family dwelling with existing solar photovoltaic
Valuation:
N/A
Permit #:
BLD23-6351
Status:
final
Fee:
$428
Permit Type:
N/A
Building Type:
N/A
Single family dwelling 5.53 kw of photovoltaic to existing garage roof
Valuation:
N/A
Permit #:
BLD24-2517
Status:
final
Fee:
$454
Permit Type:
N/A
Building Type:
N/A
Install roof mounted solar photovoltaic system @ 8.4 kw
Valuation:
$30,000
Permit #:
B22-2013
Status:
final
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Sfd-roof mount solar panel install 6.32kw
Valuation:
N/A
Permit #:
BLD23-1888
Status:
final
Fee:
$454
Permit Type:
N/A
Building Type:
N/A
For single family dwelling -install (16) 6.4kw roof mounted solar photovoltaic panels & 125a subpanel
Valuation:
N/A
Permit #:
BLD21-6634
Status:
final
Fee:
$585
Permit Type:
N/A
Building Type:
N/A
New roof mount solar 26 kw
Valuation:
$86,000
Permit #:
BC22-00022-AES
Status:
final
Fee:
$1,000
Permit Type:
N/A
Building Type:
N/A
2017 complex fire - addition one 3.84 kw battery to existing 7.68 kw ess system - evt17-01675
Valuation:
N/A
Permit #:
BLD21-1541
Status:
final
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
Replace (e) 200a meter panel with new 200a electrical meter
Valuation:
N/A
Permit #:
B22-2012
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
N/A
Photovoltaic on existing garage and accessory building roofs
Valuation:
N/A
Permit #:
B2404-178
Status:
final
Fee:
N/A
Permit Type:
Photovoltaic resi...
Building Type:
N/A
Ground mount 4.8 kw solar photovoltaic for residence
Valuation:
N/A
Permit #:
BLD22-4367
Status:
final
Fee:
$826
Permit Type:
N/A
Building Type:
N/A
Res-gound mount solar panel install 11.06 kw
Valuation:
N/A
Permit #:
BLD22-3340
Status:
final
Fee:
$934
Permit Type:
N/A
Building Type:
N/A
Install 24 roof mount solar panels (7.68kw) for single family dwelling
Valuation:
N/A
Permit #:
BLD21-0376
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
Sfd-roof mount solar panel install 8.36 kw
Valuation:
N/A
Permit #:
BLD22-1883
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
Energy storage system: 2 batteries 40kw
Valuation:
$2,500
Permit #:
BR24-01321-AES
Status:
final
Fee:
$429
Permit Type:
N/A
Building Type:
N/A
Roofmount solar photovoltaic installation 8.8 kilowatts microinverters no dc wiring
Valuation:
N/A
Permit #:
BLD20-7628
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
E-sub sfd- -install 9.5 kilowatt roof mounted solar photovoltaic system
Valuation:
N/A
Permit #:
BLD20-3009
Status:
final
Fee:
$503
Permit Type:
N/A
Building Type:
N/A
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B D S License info
Verified License
| License # | 864390 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Solar |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for B D S at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 880520 |
| Status | Inactive |
| State | California |
| Type | Flooring And Floor Covering, Tile (Ceramic And Mosaic) |
| Business Type | Sole Ownership, 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 B D S at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
83
Permits
- Building permit records show that B D S has worked on 83 permitted projects.
B D S Employees
BC
Bernadette Marie Costa
Ceo / President
BV
Billy Dale De Vore
Rmo
SD
Saulius David Dikinis
Sole Owner
I would recommend him again, his prices are reasonable and his work is very good and we have not had any problems.