Serving Castro Valley & The East Bay Since 1992.

Top-Rated Roofing Company in Castro Valley & East Bay

Expert Roof Repair & Reroofing Services Right in Your Neighborhood. Get honest assessments and direct owner supervision on every job site.

Save $300 on Reroofing $150 on Repairs (Over $2K)

Limited-Time Offer

We provide a 10-Year Peace-of-Mind Warranty to protect your home’s resale value.

Comprehensive Roofing Solutions Near You

Stop the “Stranger Danger” of hiring out-of-town contractors. We provide expert, local care for every inch of your roof.

Residential Reroofing

Full roof replacement for all home types.

Expert Roof Repairs

Fixing leaks and stopping the "patch-and-pray" cycle.

Dry Rot Repair

Specialized structural wood repair for Bay Area homes.

Maintenance

Specialized care for Tile and Shake roofing systems.

Gutters & Insulation

Complete envelope protection including gutter installation and attic insulation.

Why Your Neighbors Trust Wonderlin Roofing Systems

Since 1992, we’ve been the “Guide” homeowners trust to navigate roofing uncertainty.

Local Heritage

Family-owned and operated in Castro Valley for over 30 years.

Honest Advice

No pushy sales—just professional, honest recommendations.

National Recognition

Proudly featured on Viewpoint with Dennis Quaid.

Our Work

30+ Years Of Local Roofing

Serving Castro Valley and East Bay homeowners since 1992.

Hear It From Our Customers

Don’t take our word for it. Listen to the homeowners right down the street.