Fire sprinkler

William A Rios

William A Rios is a fire sprinkler company based in Downey, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 866335) from the California Contractors State License Board, verified against state records on October 24, 2026.

State license verified October 24, 2026

California Contractors State License Board licenses

LicenseTypeExpiresStatus
866335 CSLB C-16 Fire Protection Contractor October 31, 2027 active

Services

  • Fire sprinkler. Design, installation, inspection, testing and maintenance of fire sprinkler systems, including underground fire mains and dwelling systems.

Services are inferred from the company's state licenses. Confirm specific capabilities with the company.

Locations

  • Primary: Downey, CA 90240 · Los Angeles County

Other licensed companies in Downey

All 5 companies in Downey →

Source: California Contractors State License Board (CSLB) licensee records, retrieved October 24, 2026. Machine-readable: JSON · Markdown.