The aforementioned individual celebrates 71 years of life, their birth date being 05.11.53. The aforementioned individual calls 6801 Horseshoe Pond Dr, Del Valle, TX 78617, USA home. William J Mattar's prior living history consists of 5 known addresses. The documented places of residence for this person are: 1901 Onion Creek Pkwy #PY, Austin, TX 78748, 1805 Aquarena Springs Dr #1306, San Marcos, and 109 West Ave #211, San Marcos. William J Mattar can be reached at [email protected] and [email protected]. According to public records, Mr William J Mattar has a connection to William J Mattar (71 years). Martha Isbell (in 2014), Debra Denise Fisher (between 2013 and 2014), and the aforementioned subject were documented as residents of 1901 Onion Creek Pkwy, Austin, TX 78748, USA. Several registered citizens in Texas, Wisconsin, California go by the name the subject in question