Call: (503) 520-8888
Call: (503) 520-8888

Thank you for visiting the site of Abbot Tax Service, Inc. We are a Beaverton based full-service accounting firm focusing on small business tax preparation, bookkeeping, and payroll. We also offer personal income tax preparation services for individuals of all ages, income levels and marital status. Conveniently located off Highway 217 provides for easy access from Hillsboro, Tigard, Tualatin, and west Portland.

Personal Tax Preparation

  • Multi-State Tax Returns
  • Part Year Resident Returns
  • Home Office Expense
  • Self Employed Individuals
  • Rental Properties

Small Business Specialists

  • Accounting
  • Bookkeeping
  • Payroll
  • Business Tax Preparation
    • Sole Proprietorships
    • Limited Liability Company (or Partnership)
    • Small Business Corporation (S-Corp)
    • Partnerships
    • Corporations (C-Corp)

Recent Legislation

The American Rescue Plan Act of 2021 makes a portion of unemployment compensation non-taxable for certain filers and eliminates repayment of excess funds received through the Advance Premium Tax Credit. We ask for your patience while we wait for guidance from the IRS and Oregon Department of Revenue agencies regarding implementation of these programs.

We are holding all 2020 returns that have unemployment benefits or the Advance Premium Tax Credit until additional guidance is provided. We expect the IRS and Oregon Department of Revenue to issue a series of official guidance memos on these items over the next few weeks. Once the guidance is issued, we need to wait for our software vendor to update and test with the IRS and Oregon Department of Revenue. Only then will we be able to process tax returns with unemployment compensation or healthcare premium tax credits.

For returns that have already been filed with these items, we will need to file amended returns. We will likely need to charge a fee for this service. These items will be addressed after April 15th.

Additional Stimulus Payments: We encourage you to watch the news and monitor IRS.GOV for details. We have absolutely no knowledge or control regarding if, when, or how your specific stimulus money will be delivered. The best source for this information is here:


Proud Member of the
Beaverton Area
Chamber of Commerce

Contact Us
Abbot Tax Service, Inc
4900 SW Griffith Dr Ste 105
Beaverton, OR 97005-4649
Phone: (503) 520-8888
Fax: (503) 726-4652
Map / Directions