Licensed General Engineering (A) contractors in Clayton, CA

The California Contractors State License Board (CSLB) lists 15 General Engineering (A) contractors in Clayton, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

15 contractors

Accurate Corrosion Control INC
Clayton, CA · CSLB #654613 · as of June 27, 2026
Active · clear
Big Valley Pipelines
Clayton, CA · CSLB #1099060 · as of June 27, 2026
Active · clear
Bravo Building CO INC
Clayton, CA · CSLB #716268 · as of June 27, 2026
Active · clear
C M E Construction INC
Clayton, CA · CSLB #524506 · as of June 27, 2026
Active · clear
Digs
Clayton, CA · CSLB #1146889 · as of June 27, 2026
Active · clear
Eln Enterprises INC
Clayton, CA · CSLB #1107858 · as of June 27, 2026
Active · clear
G N Henley INC
Clayton, CA · CSLB #373161 · as of June 27, 2026
Active · clear
D S Castro INC DBA Horizon Construction Company
Clayton, CA · CSLB #476952 · as of June 27, 2026
Active · clear
Howard's Grading & Excavating
Clayton, CA · CSLB #394824 · as of June 27, 2026
Active · clear
Jacobs Project Management CO
Clayton, CA · CSLB #920855 · as of June 27, 2026
Active · clear
Richard B Seeno
Clayton, CA · CSLB #497536 · as of June 27, 2026
Active · clear
Urs Corporation
Clayton, CA · CSLB #560739 · as of June 27, 2026
Active · clear
Urs Group INC
Clayton, CA · CSLB #769167 · as of June 27, 2026
Active · clear
Westside Extension Support Team
Clayton, CA · CSLB #981273 · as of June 27, 2026
Active · clear
Kerr & Son
Clayton, CA · CSLB #790747 · as of June 27, 2026
Suspended · bond

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.