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Your Resource Throughout The Generations.

Your Resource Throughout The Generations.
General Info
Otto Rosenau & Associates, Inc. is a geotechnical engineering, special inspection and materials testing laboratory. We offer special inspections for a wide variety of industrial, commercial, municipal, and residential projects ranging in size and scope. We work with numerous public and private agencies, organizations, and businesses to that we meet and exceed your expectations. Call us now!
Extra Phones

Fax: 206-723-2221

TollFree: 888-688-6487

Regular Hours
Mon - Fri:
Sat - SunClosed
Professional Engineers, Chemical Engineers, Civil Engineers, Construction Engineers, Fire Protection Engineers, Hazardous Material Control & Removal, Inspecting Engineers, Inspection Service, Structural Engineers, Testing Labs
  • soil
  • Geotechnical Engineering
Payment Options
Holly Park, Beacon Hill

ISO IEC 17025

Washington Association of Building Officials (WABO)

ISO/IEC 17025 American Association for Laboratory Accreditation (A2LA) Certificate Number: 0823.01

Washington State Office of Minority and Women's Business Enterprises

Other Information

Specialties: Schmidt Hammer Testing, Brick Shear Testing, Video Documentation, Crack Monitoring, Floor Flatness/Floor Levelness Testing, Subsurface interface radar

Data provided by one or more of the following: DexYP, Data Axle, Yext.