Same county and trade, ranked by permits in the last 3 years
Questions & answers
Is National Corrosion licensed?
CSLB license #1020111 is active, issued Nov 1, 2016 and valid through Nov 30, 2026, with classes A, C-10, C-57.
Is National Corrosion insured and bonded?
CSLB lists workers' compensation insurance with National Casualty Company until Oct 15, 2026 and a $25,000 contractor bond with Western Surety Company.
Sources
Contractors State License Board — license, bond and workers' comp records (Sep 22, 2026).
Company website — national-corrosion.com (checked Oct 8, 2026).