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SANDSTONE ENGINEERING INC

CLEAR California contractor license #1111309

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License overview
1111309
CLEAR
2023-10-12
2027-10-31
OAKLEY, CA 94561
***-***-**** · Click to see numberHide phone number(510) 334 7932
Classifications
  • A — CSLB classification
  • B — CSLB classification
  • C-21 — CSLB classification
  • HAZ — CSLB classification
Bond & workers’ compensation
WESTERN SURETY COMPANY
67023346
License does not have current W/C
—
Associated personnel
******** · Click to see associated personnelHide associated personnel
  • CASTILLO MARTIN · Responsible Managing Officer/Chief Executive Officer/President · A
  • CASTILLO MARTIN · Responsible Managing Officer/Chief Executive Officer/President · B
  • CASTILLO MARTIN · Responsible Managing Officer/Chief Executive Officer/President · C-21
  • CASTILLO MARTIN · Responsible Managing Officer/Chief Executive Officer/President · HAZ

Source record last updated: 2025-11-14 00:00:00.