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State Roofing Systems, now part of the Nations Roof Family of Companies

Commercial Roofing Across California

State Roofing Systems has served commercial, industrial, institutional, and public-sector facilities across California since 1981. Known for technical precision, reliable execution, and long-standing customer relationships, the team has built a reputation for doing the work the right way.

Now part of the Nations Roof family of companies, State Roofing Systems continues to operate under its existing name, with the same leadership, the same crews, and the same commitment to quality — backed by the added resources, safety programs, and nationwide support of Nations Roof.

Commercial Roofing Services in California

California’s mix of aging commercial buildings, strict performance requirements, and weather variability creates constant demand for dependable inspections, leak repairs, preventive maintenance, and reroofing. From coastal exposure and UV-driven roof aging to seasonal storms and heat stress, building owners need a partner who can diagnose issues accurately and deliver repairs that last.

Preferred LLC - A Nations Roof Company

With added resources from Nations Roof, State Roofing Systems customers benefit from expanded support, including our 24/7/365 National Service Center, manufacturer-certified crews, and a nationwide network of 1,100+ self-performing roofing professionals.

  • Reliable response times
  • Safety-focused crews
  • Accurate diagnostics
  • Long-term, lifecycle-minded recommendations
  • Consistent communication from start to finish


Service Area

Serving Northern California and the Bay Area, plus Southern California through Riverside and the Inland Empire.

Need a repair, maintenance plan, or roof replacement? Our team is ready to help.

Complete the form below and we’ll connect you with a certified roofing expert.