
Expert Tax Preparation in The Dalles, Oregon
A1 Tax Service, LLC helps individuals, families, and small businesses prepare their income tax returns. Owner Aaron Anderson is a Licensed Tax Consultant with the State of Oregon and an Enrolled Agent certified with the IRS.
Income Tax Preparation
We prepare federal and state income tax returns for individuals, families, and small businesses, with accurate, on-time electronic filing.
Why Choose Us?
Owner Aaron Anderson is a Licensed Tax Consultant (LTC #30987) and IRS Enrolled Agent (EA #137206). Our staff of licensed preparers serves The Dalles and the Columbia Gorge.


Local, Licensed, and Ready to Help
Visit us at 311 Court Street in downtown The Dalles, or call (541) 298-2829 to schedule an appointment.
During tax season (January 15 to April 15), we are open Monday through Friday, 9am to 1pm and 2pm to 5pm. In the off-season we see clients by appointment — call to schedule.
Individuals & Families
Straightforward preparation for personal and family returns, claiming every credit and deduction you qualify for.
Small Businesses
Business income tax returns and strategic tax advice for small businesses across the Columbia Gorge.
Year-Round Help
Tax questions do not stop in April. We offer tax consulting year-round, with off-season appointments available.



