is a real estate expert witness services.

CastleLyons Corporation provides real estate expert witness services in the residential real estate industry. Headed by Michael K. Ryan, a real estate expert witness with over 40-years experience, CastleLyons is has established themselves as one of the premiere real estate expert witness services. Although CastleLyons is headquartered in Southern California they are availabe for cases nationwide including Colorado, Utah, Hawaii, and all over California.

Michael K. Ryan graduated from the University of Southern California in 1971 with a Masters in Business Administration and has remained in the field since. He currently holds a broker's license, contractor's license, and two California State Licensees. He has worked for both publicly and privately held real estate homebuilding and development companies. His knowledge and experience


  • 40 years in the residential real estate Industry
  • Ran Divisions for privately and publicly held land development and homebuilding companies
  • Over $1,000,000,000 of transactions completed
  • Performed over 50 due diligence investigations
  • Acquired over 17,000 lots and entitled over 30,000 lots
  • Developed 6,500 residential lots
  • Built 2,000 homes
  • Built over 25 projects as a General Contractor
  • Involved in and/or read 200 Purchase & Sale, Option and Joint Venture Agreements
  • Sold $350,000,000 of real estate, comprising 6,000 lots and units from 2003 to present
  • Performed expert witness services in California, Hawaii, Colorado, and Utah

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