Deborah C. Trejo

Deborah C. Trejo is a partner in the firm's Environmental, Administrative and Public Law Department focusing on representing governmental entities and private clients in environmental, water and administrative matters. Ms. Trejo specializes in groundwater issues, open government, regulatory takings, endangered species, elections, water quality, and constitutional issues. Ms. Trejo represents clients in administrative proceedings, including contested case hearings, and in trial and appellate proceedings before state and federal courts.

Ms. Trejo is bilingual and has been named as one of the Best Lawyers in America in the area of Administrative/Regulatory Law.

Prior to joining Kemp Smith, Ms. Trejo worked on the Texas-Mexico border as an Assistant District Attorney for Cameron County, Texas, where she was involved in extensive litigation in state courts. During law school, Ms. Trejo held clerkships in the law firm of Clifford Chance in London, the Texas Office of the Attorney General in Austin, and El Centro Legal Campesino in New Mexico and served as an attorney in the Tulane Environmental Law Clinic representing clients in state trial and appellate proceedings and before state and federal administrative agencies. She was also part of a special Tulane delegation to Havana where she worked with members of Cuba’s Ministry of Science, Technology, and the Environment to translated Cuba’s Law No. 81 on the Environment.

Professional Affiliations

State Bar of Texas - Environmental and Natural Resources Law Section
Austin Bar Association
American Bar Association - Section of Environment, Energy and Natural Resources
Texas Women Lawyers Association
Travis County Women Lawyers Association
Hispanic Bar Association of Austin

Bars & Courts

Texas, 1998
U.S. District Court, Western District of Texas
U.S. Court of Appeals, Fifth Circuit


Reed College, B.A., 1991
Southern Oregon State College, Teaching Certification, 1993
Tulane University Law School, J.D., magna cum laude, Certificate in Environmental Law, Environmental Law Clinic, McCarthy Environmental Law Award for the Outstanding Student in Environmental Law, 1998

Professional & Civic Involvement

Ms. Trejo is the author of several publications and a frequent speaker on environmental and water law, including a chapter on groundwater conservation districts and subsidence districts in the State Bar of Texas’ Essentials of Texas Water Resources and on drinking water in West’s Texas Practice Series on Environmental Law.

Ms. Trejo is a founder and board member of VCFS Texas, Inc. and spearheaded the effort to get the Texas Legislature to pass the first legislation in the world to increase awareness of Velocardiofacial syndrome, the second most common genetic abnormality. Ms. Trejo was a member of Leadership Austin’s 2008 Essential Class. She serves on the advisory board of the Hill Country Alliance and on the Campus Advisory Committee of Becker Elementary and is a volunteer with the Down Syndrome Association of Central Texas and the Texas Parent to Parent Network.

Contact Deborah C. Trejo

Contact Deborah C. Trejo

Kemp Smith LLP
816 Congress
Suite 1260
Austin, Texas  78701
Phone: 512-320-5466
Fax: 512-320-5431


Service Area

Statewide service provider in:
  • Texas