Sally A. Longroy
Sally A. Longroy
Video of Sally A. Longroy
214.692.5409 (Direct)
214.692.6610 (Fax)
Guida, Slavich & Flores, P.C.
5956 Sherry Lane, Suite 1000
Dallas, Texas 75225

Ms. Longroy, a shareholder in the firm, offers legal advice to clients on a wide variety of environmental matters, most often related to commercial real estate, corporate, or capital transactions.  She enjoys finding ways to strategically manage environmental risks, address remediation matters, and comply with environmental laws, all while achieving her clients’ goals.  In addition to addressing the environmental aspects of transactions, Ms. Longroy helps her clients to structure, negotiate and close complex commercial real estate transactions, including the purchase, sale, subdivision and development of property, and the leasing of property for a variety of uses, including office, call center, data center, industrial, restaurant, and agricultural uses.

Prior to commencing her law practice, Ms. Longroy was first an analytical chemist then gained extensive regulatory experience with laws governing the registration and manufacturing of pesticides and animal drugs.  


  • J.D. - Southern Methodist University (cum laude)
    • Member of the Southern Methodist University Law Review Association board
    • Received a Southern Methodist University Law Review Association Scholarship and American Jurisprudence Award - Research Methods and Legal Writing
  • M.B.A. - Southern Methodist University (Executive program)
  • B.S. - University of Michigan – Chemistry, with distinction

Bar Admission

  • Texas


  • Selected 2018 CREW Dallas Outstanding Achievement Award Finalist
  • Selected 2017 CREW Dallas Outstanding Achievement Award Finalist
  • Named as one of the Best Lawyers in Dallas: Environmental Law 2015 - 2019 by D Magazine.
  • Selected 2013 Top Rated Lawyer in Real Estate, American Law Media and Martindale-Hubbell.
  • Nominated for 2012 CREW Network Award for Economic Improvement.
  • Listed in The Best Lawyers in America in the area of Environmental Law since 2007.
  • Selected for 2011 edition of Martindale-Hubbell® Bar Register of Preeminent Women Lawyers™.
  • Peer review rating on Martindale-Hubbell® of AV® Preeminent™ 5.0 out of 5.


  • CREW in the Community, Chair of the Board of Trustees, 2016. 
  • Member of Commercial Real Estate Women (CREW) – Dallas
    • 2014 President-Elect, 2015 President, 2016 Past President 
    • Board of Directors, 2012-Present
    • Chair of the Member Service Committee in 2011
    • Co-Chair of the Member Services Committee in 2010
  • Co-Director of the American Bar Association Section of Litigation Division overseeing Publications, CLE & Programs from 2009 to 2010. She served in various other Section leadership positions since 2000, including Co-Chair of the Environmental Litigation Committee from 2000 to 2003.
  • Member of the State Bar of Texas Environmental and Natural Resources Law Section and Real Estate, Probate, and Trust Law Section
  • Member of the Dallas Bar Association Environmental Law Section and Real Property Section
  • Member of the International Association of Defense Counsel, 2010-2011
  • Fellow of the American Bar Foundation
  • Fellow of the Dallas Bar Foundation
  • Fellow of the Texas State Bar College
  • Fellow of the DAYL Foundation
  • Member of the U.S. Green Building Council
  • Volunteer with Attorneys Serving the Community since 1993

Authoring and Presenting

  • Frequently writes and presents on various environmental law topics, including topics related to green buildings, climate change, environmental site assessments, wetlands, and self-audits.
  • Recognized by the College of the State Bar of Texas as one of the top three authors of the Outstanding CLE Article of the Year for her article “A Lawyer’s Perspective on Environmental Reporting Ethics” presented at the Texas Environmental Superconference in Austin, Texas in 2002.