Alerts
  • The Mobility Authority Walk Up Centers and Call Center will close early at 5:00pm Tuesday, December 9, for company training. We will resume regular hours on Wednesday, December 10. Payments can still be made online at PayMobilityBill.com or via our automated phone system at 512-410-0562.
  • Our newest Customer Service Walk-up location will be opening Monday, September 29. It will be located at 1321 Rutherford Ln, Suite 120, Austin, TX 78753.
  • We are aware of the smishing/phishing scams regarding outstanding toll charges. The Mobility Authority will never ask for personal information via text/email. Please do not click on links or respond to any suspicious messages that aren’t from any of the listed numbers. The Mobility Authority works diligently to protect our customers’ data.

    You can get the most up-to-date information about your Mobility Authority account at PayMobilityBill.com or call us at 833-762-8655 and request a callback.

David Singleton

Board Treasurer

Portrait of David Singleton.

Member of the Planning Committee, Audit Committee, Aesthetics Committee

David Singleton is the President of Southwest Land Services, Inc., a land planning and development firm based in Williamson County. Active in both commercial and residential development since 1982, he is currently developing Goodwater, a 600-acre vertically integrated mixed-use community north of Georgetown. In addition to his service on the Mobility Authority Board, Mr. Singleton is a Seton Williamson Foundation Board Trustee, Envision Central Texas Board Member, Metro Board Member of the Williamson County YMCA and Member of the State Executive Committee of the Coastal Conservation Association.

He was also a member of the Williamson County Bond Task Force, which directed the development of the successful $350 million bond referendum for roadway infrastructure improvements in 2000. He previously served as Director of Public Works for the City of Leander, where he was responsible for thoroughfare planning, including the coordination of the inter-local connection of major and minor arterials. Mr. Singleton has also served as a Board Member for the Cedar Park Chamber of Commerce, the Cedar Park Public Library and as interim Chairman of the Board of the Lakehills Economic Development Corporation. He has represented Williamson County on the Mobility Authority Board since January 2003.

Contact David Singleton

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