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Year-end & tax season checklist

Offices in Clackamas & The Dalles, Oregon

503-785-3200

Heather’s Tax Service & More

Tax Planning

Tax planning — decisions made before the year closes

A tax return records decisions that have already been made. Planning is the part where the decisions are still open — and in Oregon, with high state rates and a stack of local taxes, the gap between a planned year and an unplanned one is substantial.

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How planning works

Decisions made while there is still time to act on them

  1. A projection, not a guess

    We build the year from what has actually happened so far and what you expect. That is the number decisions get made against.

  2. The decisions on the table

    Entity choice, retirement contributions, timing of income and expenses, estimated payments, the PTE-E election.

  3. A written plan

    What to do, when, and what it is worth — so it survives past the meeting.

  4. Checked before year-end

    Most of the moves that matter have to happen before 31 December. A short autumn review is where they get made.

Where planning actually moves the number

  • Entity structure — an S election helps some businesses meaningfully and others not at all
  • Retirement contributions — a solo 401(k) or SEP is usually the largest single lever a profitable small business has
  • Timing — pulling income forward or pushing it back across a year boundary, particularly near a local tax threshold
  • PTE-E election — moving Oregon tax above the federal SALT cap where the entity qualifies
  • Cross-border timing — the date of a move between Oregon and Washington changes the tax on everything that happens near it
  • Threshold management — Metro SHS, Multnomah PFA and Oregon CAT all have cliffs worth planning around

The Oregon-specific angle

Oregon has no sales tax and a top personal rate near the highest in the country, which means income timing matters more here than in most states and consumption decisions matter less. Add the Portland-area local taxes and a household can face several distinct thresholds in one year. Sitting a few thousand dollars above the Metro SHS or Preschool for All threshold is worth knowing about in November, when a retirement contribution can still change it — not in April, when it cannot.

When is the right time to plan?

For year-end moves, October and November. For entity decisions, before the year starts where possible — S elections have their own timing rules. For anything involving a move between states, before you move.

Do I need to be a business owner?

No. Households with stock compensation, rental property, retirement distributions or cross-border income all have planning decisions worth making deliberately.

How is this different from tax preparation?

Preparation reports what happened. Planning changes what happens. They work best together, which is why we do both.

Can you work with my financial advisor?

Yes, and it usually produces a better result. Investment decisions and tax decisions are the same decision viewed from two sides.

Talk it through before filing season starts

Start with a complimentary 15-minute introductory call about your situation and whether we are a good fit. No tax advice is given on that call.

Heather Perkins, Enrolled Agent and Oregon Licensed Tax Consultant

Written by

Heather Perkins

Enrolled Agent, Oregon Licensed Tax Consultant

License number: Enrolled Agent 00160070-EA · Oregon Licensed Tax Consultant 35746-C

Heather has spent more than a decade preparing individual and business returns across the Portland metro and the Columbia Gorge, and holds unlimited rights to represent taxpayers before the IRS.

Last reviewed

This page is general information about Oregon, Washington and federal tax rules, not advice about your own return. Thresholds and rates change every year. Figures were verified as of August 2026 — check the linked official sources, or talk to us about your situation.

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