Otto Rosenau & Associates, Inc.
Construction Inspections, Materials Testing, & Geotechnical Engineering
Local & Women Operated
Otto Rosenau & Associates (ORA) is a locally owned and operated one-stop shop for construction inspection and testing needs. Our lab and office are both located in South Seattle. ORA has been in the Rosenau family since 1973 and women run since 1995. ORA has worked with everyone from homeowners to large public entities. No project is too big or too small for us to handle.
What We Do
For more about our company and ownership click here.
For our qualifications, certifications, accreditation, etc. click here.
For a list of all the services we currently offer click here.
Schedule an Inspection!
Are you ready to schedule? Click the button below to reach our online scheduling form.
Not sure? Check out this page.
Set up a New Project!
Have a new project to set up with our office? Click the button below to reach our online questionnaire.
Not sure? Check out this page.
Quality Inspections for Any Project
ORA has a wide level of experience on projects from public to private, complex downtown mixed-use to residential. No project is too big or too small!
As a small business, we are always evolving to adjust to meet the needs of your project. Each project is as unique as the team that runs them and ORA finds new ways to accommodate both projects and people.
Click here for projects we are proud to have worked on.
Service Area
ORA’s office is located in South Seattle, allowing us to service the greater Puget Sound Region.
This includes, but is not limited to: Auburn, Bellevue, Bothell, Burien, Duvall, Edmonds, Everett, Federal Way, Issaquah, Kenmore, Kent, Kirkland, Lakewood, Lynnwood, Marysville, Mount Vernon, Oak Harbor, Puyallup, Redmond, Renton, Sammamish, Seattle, Shoreline, Tacoma, Tukwila, Woodinville, etc.
Don’t see your city listed? We might still serve you! Call us at 206-725-4600 or email our customer service team and we’ll let you know!