Updated: Apr 05, 2026
Location and Projects
Address
3926 E COLIBRI PRIVADO, Ontario, CA, 91761
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Sunwest Builders Construction
Sunwest Builders, 3926 E Colibri Pr, Ontario, CA (Owned by: Darin Joseph Fredericks) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sunwest Builders, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Sunwest Builders Services
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Sunwest Builders Contact Information
Phone Number: (909) 627-8387
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Address: 3926 E COLIBRI PRIVADO, Ontario, CA 91761
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This is a sample of this contractor's permits. Click here to access their complete permit history.
1, 114 interior tenant improvement for the nail lounge unit d180. work to include the consturciton of interior non-load bearing walls and ceilings to create cleaning counter areas and break room with 25 light fixts 43 outlets 5 switches 1 floor drain 1 p-trap 1 interior
Valuation:
$38,000
Permit #:
BC13-00255
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1, 559 s.f. interior tenant improvement for dr quon in suite 155. work to include: walls doors mechanical plumbing & electrica (no ceiling work)
Valuation:
$91,350
Permit #:
B04-02172
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ref: b04-02172 - tenant improvement for optometrist's office: walls doors mechanical plumbing & electrica (no ceiling work)
Valuation:
N/A
Permit #:
P04-00882
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ref: b04-02172 - tenant improvement for optometrist's office: walls doors mechanical plumbing & electrica (no ceiling work)
Valuation:
N/A
Permit #:
M04-00699
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ref: b04-02172 - tenant improvement for optometrist's office: walls doors mechanical plumbing & electrica (no ceiling work)
Valuation:
N/A
Permit #:
E04-01349
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement - suite #140 offices for pacific mercantile bank (4 322 sf)
Valuation:
N/A
Permit #:
B200500625
Status:
final
Fee:
$1,965
Permit Type:
Tenant improvement
Building Type:
N/A
Ref: b01-00461. tenant improvement for spec suite. addition one bar sink
Valuation:
N/A
Permit #:
P01-00308
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement
Valuation:
$20,000
Permit #:
B00-006-344
Status:
Final
Fee:
$937
Permit Type:
N/A
Building Type:
1706 - office bui...
Tenant improvement - office
Valuation:
N/A
Permit #:
00033557-CTI
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ti-office
Valuation:
N/A
Permit #:
00161404-SBPT
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Sunwest Builders Reviews
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Verified License
BuildZoom confirmed this contractor's license
Sunwest Builders License info
Verified License
| License # | 1009363 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Sunwest Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 715268 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 Sunwest Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Liberty Mutual Insurance Company |
Sunwest Builders Employees
BF
Barbara Jean Fredericks
Officer
DF
Darin Joseph Fredericks
Owner
DF
Darrell Lee Fredericks
Deceased