Ethics Explorer A Guide to the Financial Interests of Elected Officials

Rep. Trey Martinez Fischer District 116 (D-San Antonio)

B.A., University of Texas at San Antonio; M.P.A., Baruch College of Public Affairs; J.D., University of Texas at Austin
Elizabeth Provencio
  • Special Purpose Districts
  • Ways & Means
Financial Statements

Sources of Income

  • He heads the Law Offices of Trey Martinez Fischer, which specializes in civil and commercial litigation, strategic counsel, real estate and land use development, first party insurance coverage, criminal defense and family law. He previously was of counsel at Steve Mostyn's law firm until September 2010.

  • His wife, Elizabeth Provencio, is a lawyer with Denton, Navarro, Rocha & Bernal. She does employment and labor law and deals with issues involving municipalities and other governments with employee unions and litigation. She is also on the board of the San Antonio Water System.


  • Residential property in San Antonio valued at $97,390, which he owns with his mother

  • Residential property in San Antonio valued at $48,695

  • Residential property in San Antonio valued at $142,620

  • Residential property in San Antonio valued at $95,700


  • In 2009, Martinez Fischer authored HB 4457, which would have restored some of the options for damages that were eliminated in tort reform. The measure, which did not pass, could have benefited Mostyn, the major Democratic donor and attorney for whose firm Martinez Fischer had worked.