Same county and trade, ranked by permits in the last 3 years
Questions & answers
Is Frontier Environmental Solutions Inc licensed?
CSLB license #927479 is active, issued Jan 15, 2009 and valid through Jan 31, 2027, with classes A, C-10, HAZ.
Is Frontier Environmental Solutions Inc insured and bonded?
CSLB lists workers' compensation insurance with State Compensation Insurance Fund until Jan 1, 2027 and a $25,000 contractor bond with American Contractors Indemnity Company.
Sources
Contractors State License Board — license, bond and workers' comp records (Dec 18, 2025).