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DUFF & SONS INC

CLEAR California contractor license #1063434

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License overview
1063434
CLEAR
2020-02-18
2028-02-29
MAMMOTH LAKES, CA 93546
***-***-**** · Click to see numberHide phone number(559) 731 8948
Classifications
  • B — CSLB classification
  • C-10 — Electrical
Bond & workers’ compensation
AMERICAN CONTRACTORS INDEMNITY COMPANY
100740955
Exempt
—
Associated personnel
******** · Click to see associated personnelHide associated personnel
  • DUFF ALICIA · Officer
  • DUFF GRANT KELLY II · Responsible Managing Officer/Chief Executive Officer/President · B
  • DUFF GRANT KELLY II · Responsible Managing Officer/Chief Executive Officer/President · C-10

Source record last updated: 2026-04-03 00:00:00.