About Mike

Mike Sullivan, Harris County Tax Assessor-Collector, leads the Tax Office with a fiscally conservative, no non-sense approach. A native Houstonian, with a long history of community involvement, Sullivan was sworn in as Harris County Tax Assessor-Collector on January 1, 2013. Sullivan is currently serving a four-year term. He is focused on improving customer service, embracing technology, and advocating for the taxpayer.

Sullivan ran for Houston City Council in 2007, and was sworn into office in January 2008. Serving District E, he represented the communities of Kingwood and Clear Lake, as well as the Houston Ship Channel, Ellington Airport, and NASA/Johnson Space Center. He was elected to a third and final term and was the only member of the council to run unopposed in 2011. Sullivan was also elected to Humble ISD Board of Trustees in 2004.

Sullivan believes strongly in community involvement, as evidenced by his continued service in many community and business organizations. Sullivan presently serves as a board member of Hospital Corporation of America-Gulf Coast Division and Camp Allen. As well, he serves as Honorary Advisory Director for the 100 Club. Additionally, Sullivan is an Ex-Officio Director of the Bay Area Houston Economic Partnership.

Governor Greg Abbott appointed Sullivan to a six year term on his Military Preparedness Commission.

Previously, Governor Rick Perry appointed Sullivan to serve on his nine-member Task Force on Unfunded Mandates. Mike and his wife Kim own and operate Mike Sullivan Realty, LLC. Their daughter Paige is a graduate of Baylor University. The Sullivan’s attend Good Shepherd Episcopal Church in Kingwood.

Sullivan received an Associate of Arts degree from Lone Star College-Kingwood and a minor in International Relations in spring 2012. In 2014, at age 56, he graduated from UH-Downtown, with a Bachelor of Science in Political Science.