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D ⁄ P ⁄ A

Don Prohaska & Associates

  • 3465 Regent Avenue Eugene, OR. 97401
  • T (541) 683-9300
  • F (541) 683-9303

Real Estate Technical Advisory Services


  • Licensed architect in the state of California (active) and Colorado (inactive)
  • Certified Construction Inspector and Construction Consultant – Association of Construction Inspectors


  • Member of Oregon Bankers Association
  • Former member BOMA / LA
  • Former member Los Angeles HVAC Advisory Committee

About Us

Don Prohaska & Associates (DPA) is a 19 year old firm providing technical advisory services to the commercial real estate lender and investor community. Services include development and acquisitions due diligence, cost estimating, capital project management and expert witness / litigation support.

Founding principal Don Prohaska established the firm in 1990 after 5 years as a practicing architect and 7 years as a commercial portfolio developer for Trizec Properties, Miller Klutznick Davis Gray Company and Tishman Speyer Properties. Don is a licensed architect in California (active) and Colorado (inactive) as well as an ACI certified inspector and construction consultant

Located in Eugene, Oregon, DPA has served markets across the western US including California, Nevada, Washington, Idaho and Texas. For a comprehensive list of properties in those markets, see Completed Projects under the Services section. We have managed or monitored over $4 billion of construction value. We have provided property inspection services on over 100 commercial and multi-family residential properties throughout the U.S.