License Information

Wonderlin Roofing Systems Inc. is fully insured with General Liability, Worker’s Compensation, and bonded. Says Grover: “While most companies carry worker’s compensation for their employees, less than 10% carry general liability insurance because of the expense. The danger in using those companies that ‘go bare’ is that if anyone is injured during the re-roofing project & or property is damaged, the homeowner can be brought into a time consuming and expensive lawsuit.”

Contractor License #: 642517

Classification: C39- Roofing

Bond: Old Republic Surety Company #W150076953

Workman's Comp: #1972077

General Liability: United Contractor's Insurance Company #G1-CA012939

Your Bay Area Roofing Specialist!
Wonderlin Roofing Systems is located in Castro Valley, CA in the San Francisco Bay area. We are 100% committed to providing the best service possible for your roofing needs.
What we do?
We specialize in residential re-roofing and have been building quality roofs since 1992. With over 25 years in the roofing industry, Grover Wonderlin has been the driving force behind his family run business.
Services
• Roofing Types
• Re-Roofing & Gutters
• Roof Maintenance & Inspections
• Roofing Help
Our Customers Say...
“We love our new roof and it’s been getting lots of compliments, including from the inspector!”
- Beth F. Lafayette

Wonderlin Roofing Systems, Roofing Contractors, Castro Valley, CA

Castro Valley Roofing Contractors | Danville Roofing Contractors
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