The Skagit County public transportation benefit area, funded by a 0.2 percent sales tax, was approved by voters in Mount Vernon and Burlington in November 1992.

[4][5] The cities of Anacortes, La Conner, and Sedro-Woolley were annexed into the Skagit Transit service area in 1994, followed by Bayview and Concrete in 1995.

A sales tax increase to restore service was rejected by voters in 2002;[4][5] as a result, the agency began charging fares.

[8][9] The agency also took ownership of Skagit Station in Mount Vernon, which is served by Amtrak Cascades and Island Transit.

[7] A 0.2 percent sales tax increase was approved by voters in the November 2008 election, allowing for expanded service.