Our Team

The high level of experience and efficiency of the Wardlaw Appraisal Group staff allows us to be extremely effective and responsive while operating with less overhead.

Wardlaw has experienced and qualified appraisers, division order analysts, technology, and administrative support personnel.  These personnel allow us to efficiently and accurately manage and appraise over 300,000 accounts, 16,000 wells, 14,000 division orders, 9,000 property records.

  1. Peggy Wardlaw, P.E., R.P.A.
    Ms. Wardlaw is a Texas Registered Professional Engineer and RPA. She has a Master's degree in Petroleum Engineering from the University of Texas. She has over 30 years experience appraising mineral, industrial, and utility properties. 
  2. Malcolm Wardlaw, P.E.
    Computer Program Design and co-founder of Wardlaw Appraisal Group, LC. 
    Mr. Wardlaw is a Texas Registered Professional Engineer. He has a Master's degree in Petroleum Engineering from the University of Texas. He has over 30 years experience in Petroleum Reservoir Engineering and software design.
  3. Roxanne Yuncker
    Manager, Division Order Department
    Ms. Yuncker has over 40 years experience in bookkeeping and accounting. She has been with Wardlaw Appraisal Group since 2000. In addition to managing the division order department, she also handles the bookkeeping, human resources and general office management.
  4. Mallory Crain
    Financial Analyst, Utilities & Industrial Appraiser
  5. Proctor Sherwin
    Financial Analyst, Minerals Appraiser
  6. Libby Wardlaw
    Utilities & Industrial Appraiser
  7. Aileen Camarillo
    Utilities & Industrial Appraiser
  8. Martin Villarreal
    Martin is a Registered Professional Appraiser who has 30-plus years of experience in the appraisal and tax collection profession. He leads the firm in client relationships, MAP reviews and special projects.
    For 17 years, Martin served as Chief Appraiser for both Webb and La Salle County Appraisal offices. He spearheaded the daunting task of keeping abreast of the real estate market, setting policies, and overseeing the appraisal of all property categories for both counties. Martin has served as President and a member of the South Texas Chapter of Appraisal Districts, Trustee of the Texas Association of Appraisal Districts, and the Property Tax Administration Advisory Board.
  9. Diana Martinez
    Division Order Specialist
  10. Rosalinda Guidry
    Division Order Specialist

Counties Serviced

Services Overview

  • Utilities and Industrial Valuation
  • Minerals Valuation
  • Methods and Assistance Program Compliance

Contact Us

Have a question or not sure where to begin? For your convenience, take a look at our FAQs section.

Address: 16601 Blanco Rd, Ste 100, San
                         Antonio, TX, 78232
Telephone: (210) 448-2000
FAX: (210) 408-0106
E-mail: Utilities & Industrial;   Minerals