Location and Projects
Cal Coast Builders Construction
Rob Rosen, President and CEO of Cal Coast Builders, brings over four decades of building experience to residential remodeling and new construction projects in Simi Valley and the surrounding areas. His background includes an apprenticeship in carpentry and plumbing, and he has specialized in residential remodeling and solar energy applications since 1983. Cal Coast Builders offers a range of services, including new construction, accessory dwelling units (ADUs), room additions, interior and exterior remodeling, solar energy installations, roofing, waterproofing and composite decks, as well as concrete work. The company uses green building products whenever possible. Cal Coast Builders serves homeowners seeking comprehensive construction solutions in Simi Valley, and extends services to clients across San Diego, South Orange, South Riverside, and Imperial Counties.
Cal Coast Builders Services
Cal Coast Builders Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
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Cal Coast Builders License info
Verified License
| License # | 991504 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cal Coast Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 518622 |
| Status | Active |
| State | California |
| Type | Painting And Decorating |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Cal Coast Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 634884 |
| Status | Active |
| State | California |
| Type | Painting And Decorating |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Cal Coast 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 # | 938729 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 Cal Coast 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 # | 800481 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 Cal Coast 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 # | 477444 |
| Status | Inactive |
| State | California |
| Type | Painting And Decorating |
| 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 Cal Coast 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 # | 378474 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 Cal Coast 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 # | 971226 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 Cal Coast Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | Western National Mutual Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Farm Fire & Casualty Company |
21
Permits
- Building permit records show that Cal Coast Builders has worked on 21 permitted projects.