Latest News
  • April 16, 2007 - MTE Promotes Monica Elliott
  • October 8, 2007 - MTE Promotes Jim Lamberth
  • July 23, 2007 - MTE Promotes Beorn Edmonds and Yavita Kotomaimoce
  • May 31, 2007 - MTE Grows It's Special Projects Department
  • May 4, 2007 - MTE HQ Has Moved
  • May 8, 2006 - The Inspectors
    Current Projects
  • Burien Town Square
  • Adventist Medical Center Outpatient Building
  • 2201 Ninth Avenue Mixed-Use
  • Cascade Station Retail Center
  • Kent Events Center
  • Bellevue Towers
  • Microsoft West Campus Expansion
  • Emerald Queen Casino Expansion
    Mayes Testing Engineers, Inc. Moves to New Headquarters Building
    On April 16, 2007 Mayes Testing Engineers' Everett Headquarters moved to Lynnwood

    20225 Cedar Valley Road, Suite 110
    Lynnwood, WA 98036
    Phone: 425.742.9360
    Fax: 425.745.1737

    Please note our new address above. Our phone and fax numbers remained the same.

    What We Do


    Mayes Testing Engineers,Inc. has been performing testing and inspection services on construction materials since 1984. Locally owned and operated, we have fully accreditated laboratories in Lynnwood, Tacoma and Portland. We have one of the largest staffs of certified inspectors in the Pacific Northwest.

  • IBC Special Inspections
  • Construction Materials Testing
  • Condition Surveys
  • Materials Engineering & Consulting
  • Nondestructive Testing
  • Quality Control Plans
  • Quality Assurance