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Committed to Service with Integrity

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We offer services in both the state of Hawaii and Oregon.

Hawaii Office:
55 Merchant St., Suite 1812
Honolulu, Hawaii 96813
Tel: (808) 524-2434
Fax: (808) 528-4228

Oregon Office:
290 North Main St., Suite 6
Ashland, Oregon 97520
Tel: (541) 482-3938
Fax: (541) 482-6259

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LEED Consulting Services About Us



Douglas Engineering has delivered electrical, mechanical, and plumbing consultation with service and integrity since 1993.

Project Management

We offer not only technical expertise but strong project management.


We use the latest in BIM software including Autodesk REVIT!

Testimony & Litigation Support

We also offer engineering consultation litigation support and expert testimony.

Our Mission

We at Douglas Engineering are committed to living with the highest degree of personal integrity. We will support each other in personal and professional growth. We will be accountable for all of our interactions. through diligent application of our talents, we will provide creative and innovative engineering services of uncompromising excellence.