Storm Lake Location

Certified Testing Services, Inc.

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PO Box 740

1330 Michigan St

Storm Lake, IA 50588

Mon - Fri
-
Sat - Sun
Closed
Saturday and Sunday Hours By Appointment Only

Holiday Hours

  • Monday, May 26, 2025 : Closed
  • Thursday, June 19, 2025 : Closed
  • Friday, July 4, 2025 : Closed
  • Monday, September 1, 2025 : Closed
  • Monday, October 13, 2025 : Closed
  • Tuesday, November 11, 2025 : Closed
  • Thursday, November 27, 2025 : Closed
  • Thursday, December 25, 2025 : Closed

Main Phone: (712) 213-8378

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