Great Plains Appraisal, Inc. is a full-service real estate appraisal and consultation company specializing in all phases of valuation and evaluation of real estate. The company serves all areas of Nebraska, Iowa, and adjoining states from its home office in Lincoln. 

Great Plains Appraisal, Inc. is one of Nebraska's leading appraisal companies. Operating out of the Lincoln office, Cody Gerdes MAI, Lori L. Johnson MAI, and Jason Pickerel, MAI are the current owners of the company, which was formerly called Trampe and Associates Company until 1991 when it was transformed into the current company structure.

With a company history dating back to 1969, Great Plains Appraisal, Inc. continues to be a leader in the appraisal industry. One of the first appraisal operations to become completely computerized in 1983, the company has since continued to incorporate the latest technologies into providing quality real estate appraisal services to a wide variety of clients. Additionally, we continually update what is one of the largest non-governmental real estate appraisal databases in the state.

Our staff appraisers are highly qualified, reflecting the company's continued emphasis on leadership and education.  By drawing on this bank of talent, we can provide a quality report in a timely manner.

Why Choose an MAI?

The MAI membership designation is held by professionals who can provide a wide range of services relating to all types of real property, such as providing opinions of value, evaluations, review, consulting and advice regarding investment decisions, among others. Property types may include commercial, industrial, agricultural, residential, vacant land and others. 

To become a MAI Designated member of the Appraisal Institute, an individual must:

  • Have good moral character;
  • Meet standards and ethics requirements;
  • Pass rigorous education requirements;
  • Pass a final comprehensive examination;
  • Submit specialized experience which must meet strict criteria; and
  • Receive credit for the demonstration of knowledge requirement.

These individuals have the necessary commercial property valuation experience and knowledge to produce a valuation that instills confidence. MAI Designated members agree to adhere to the Appraisal Institute code of professional ethics and standards of professional appraisal practice, underscoring their commitment to sound and ethical professional practice.

Continuing education requirements help MAI Designated members stay informed of developments pertaining to real property valuation, enabling them to provide valuations reflecting the latest in professional practice.

The MAI designation has long been recognized by courts of law, government agencies, financial institutions and investors as a mark of excellence in the field of real estate valuation and analysis.


Great Plains Appraisal is not only one of the largest full-service real estate appraisal firms in Nebraska, but operates will more MAI’s than any other firm in Nebraska.