Langdon Electric
- P O Box 2557, Corona, CA 92878
- (909) 374-0230
- September 15, 2026
Thorn’s Concrete is a licensed California contractor based in Hesperia, San Bernardino County, holding CSLB license #399301 under classification A — General Engineering, B General Building, C10 Electrical, C21 Building Moving/Demolition, HAZ Hazardous Substance Removal Certification. License status at the time of compiling this listing: active, with no suspension recorded.
The C-10 classification covers service and panel upgrades, branch circuits, lighting, EV charger circuits and code correction work.
Working in the High Desert: High Desert properties swing through wide daily temperature ranges and take a real beating from wind, which matters for anything fastened to the outside of a building.
Before you hire any electrical contractor: For a panel upgrade, ask what service size is being installed and whether the utility drop and meter are included — those are often quoted separately.
License status can change at any time. Confirm license #399301 is current, and check bond and workers’ compensation coverage, using the CSLB license lookup before signing a contract or paying a deposit.
This profile was compiled from California State License Board public records and is unclaimed — Thorn’s Concrete has not added its own details. Are you the owner? Claim this listing to add photos, services and a description of your work, or contact us to have it removed.
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