Real Estate Expert Witness
John S. Preston
- Real Estate Expert Witness
1138 Skycrest Dr. #4
Walnut Creek, Ca. 94595
  • (1992)— California Real Estate Broker’s License; Active for approximately 25 years Member, California Association of Realtors, Legal Forum

  • Represented Oakland Association of Realtors


  • Member of Wisconsin and California State Bar Associations: (Alameda County Bar and Contra Costa Bar) as well as Federal Courts therein, including all appellate courts.

  • Member, Inns of Court, San Francisco

  • Member, the Mediation Society (SF)
  • (1972)– J.D., University of Wisconsin:
  • Member, Wisconsin Law Review
  • (1969)– B.A., Syracuse University, Economics


  • Retained expert in over 50+ cases.   Testified in Superior Court (both court and jury trials) as well as arbitrations and at depositions numerous times.  Also have submitted written reports as RE expert in both courts cases and arbitrations.

  • Multiple Brokerage Aspects:  Active RE Broker in East Bay for 24 years;  transactions including sales residential and commercial real estate; including numerous commercial leases and refinancing, numerous sales of gas stations,  sales  to Japanese Nationals and corporations, including residential, commercial and developmental properties.  Representation of 100s of brokers/agents—both in residential and commercial transactions; lease and sublease transactions, involvement in hundreds of transactions as principal, broker, and attorney (including conducting as arbitrations and mediations)

  • Prior trial and deposition testimony includes numerous issues, good faith contract compliance, also -  regarding broker’s standard of care; financing issues, disclosure duties, fiduciary role of brokers, breach of Broker’s fiduciary roles, integration clause impact in Contracts, Agency issues, title issues, Options issues, mortgage brokerage issues, lender disclosure issues and many other complex areas of real property transactions.  Have been involved in hundreds of real estate transactions as broker, agent, lawyer, and principal.  Further, have represented Real Property General Partnerships as counsel, agent, and principal in numerous transactions.  Also, have testified in securities cases on items that constitute a “security.”

  • Private practice including all aspects real estate law, numerous residential transactions, commercial leasing, financing issues, including SBA loans for purchase of gas stations,  personal guarantees, disclosure, mediation, and civil litigation. Represented Oakland Association of Realtors as well as dozens of brokers statewide.  Additional practice of law generally involving real estate transactions as well as securities issues, e.g., drafting prospectuses for syndications, limited partnerships.  Conducted in excess 14 trials--including a 6-month jury trial re defective condominium project.  Additionally, conducted over 150 arbitrations & mediations for California Superior Courts, the AAA & NYSE & PSE and local bar associations; most recently arbitrated a contract dispute as called for in CAR purchase and sale agreement.


  • Principal of International Private Investment Banking Firm:
    Genesis Group was primarily involved in sales and development of USA real estate and other business transactions between the USA and Japan.   Genesis Group had closed in excess of $10,000,000 in real property transactions

(1988 – 1981)

  • General Counsel and Chief Financial Officer for Fayette Manufacturing Corp., and the limited Partnerships known as Wind Energy Technology Associates I & II & III.  Fayette achieved over $150,000,000 in sales over a four year period.  Responsibilities included litigation, negotiation, drafting, land development, structuring, and legal analysis of all aspects of multi-million dollar transactions, including land leases and utility easements.

  • These aspects include real estate, land leases, financings, and civil & business litigation, drafting of financing agreements, commercial loans, and the drafting of investment prospectuses for syndication and limited partnership agreements.  Also included was the importation of over $5,000,000 in Danish equipment to The USA.

(1981 – 1978)

  • Associate with the Law Firm of Touhey & Prosse, Santa Ana, California.  Practice consisted exclusively of litigation and general business law.  Largest trial involved dispute concerning 170 condominiums and consisted of over 130 plaintiffs, 30 depositions, 2000 exhibits, and all aspects of real property issues and practice of a protracted litigation.

(1977 – 1973)

  • Staff attorney to the University of Wisconsin.  Responsibilities included all aspects of legal practice relevant to a large institution, including contracts, litigation, and public policy issues.


Available upon request

1138 Skycrest Dr. #4
Walnut Creek, CA 94595
Contact Us:
© 2022 John S. Preston Mediation & Arbitration • All Rights Reserved

Website Created By: