Matteson-Parrish served on the Lone Star College System Board of Trustees from 1993-2005. During her tenure, she served as board chair, one term as vice chair, one term as secretary and audit committee chair. She also served as co-chair of the citizen's committee that successfully conducted a petition drive and election campaign that permitted the Conroe Independent School District to join Lone Star College System in 1991. That effort also led to the creation of Montgomery College in 1992, and the completion of the college's comprehensive campus on College Park Drive in 1995.
Matteson-Parrish has participated in and provided leadership and support for many civic, business, political and community development groups, including initiatives associated with the arts. She was formerly the director of custom home sales for The Woodlands Development Company, and is a "pioneer" resident of The Woodlands. Her family was one of the first 25 families to move to The Woodlands in 1974.