The Lewis-Mason-Thurston Area Agency on Aging (LMTAAA) has operated since 1976 under the sponsorship of Lewis, Mason, and Thurston counties. The LMTAAA is a governmental agency sponsored by the three counties to manage, monitor, plan, fund, coordinate and advocate for services and programs that serve the elderly and younger disabled persons.
The governing board of the agency is the Council of Governments (COG), which was created through an inter-local agreement and consists of one county commissioner from each of the three sponsoring counties.
County Commissioners currently serving on the LMTAAA Council of Governments are:
The Council of Governments meetings are held every other month as of January 2019, unless otherwise noted. Meetings are held at the LMTAAA Olympia Office (2404 Heritage Court SW, Olympia, WA 98502).