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Free roofing tools for California homeowners

Practical research tools for anyone thinking about a California roofing project. No email gates, no signups — everything runs in your browser and respects your privacy.

Repair vs Replace — 5-Factor Decision Tool

Score your roof in 60 seconds on age, damage extent, the 50% rule, remaining lifespan, and insurance status. Get a clear repair / inspect / replace verdict from a 41-year Central Valley roofer.

Score my roof

Roofing Cost Calculator — California 2026

Enter roof square footage, material, pitch, and tear-off requirements. Get an instant cost range based on 2026 Central Valley pricing benchmarks. No email. Runs entirely in your browser.

Open calculator

Verify a California Roofing Contractor's License

2-minute step-by-step guide to verifying any California roofing contractor's CSLB license, bond, workers' compensation, and disciplinary history before you sign a contract. Includes quick-lookup widget.

Read the guide