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Year-end & tax season checklist

Offices in Clackamas & The Dalles, Oregon

503-785-3200

Heather’s Tax Service & More

Clackamas County

Tax preparation and bookkeeping in Oregon City, OR

Oregon City is the Clackamas County seat, which shapes its economy: a legal and government professional base, the trades that serve a historic housing stock, and a downtown of independent businesses below the bluff.

Bridges over the Clackamas River in the south Portland metro

Which tax jurisdictions Oregon City is actually in

Oregon City is in Clackamas County. Oregon’s local tax boundaries do not follow city limits or ZIP codes, so this is worth being precise about.

  • Inside the Metro district, so Metro SHS applies to income above $128,000 single / $205,000 joint.
  • Outside Multnomah County, so Preschool for All does not apply on residency — but it can still apply to income sourced to work performed in the county.
  • Not in the City of Portland — no Arts Tax.
  • Professional practices here frequently have Portland-sourced client income, which brings Portland business taxes into play on apportionment.
  • Inside the TriMet district, so the TriMet self-employment tax reaches self-employed people working here — see transit taxes.

The local economy, and what it means for a tax return

County government and the courthouse anchor a professional services cluster — attorneys, title, insurance and the sole practitioners who orbit them. Alongside that sits a substantial contractor and trades base, much of it working on older housing stock, and a downtown commercial district of independent operators.

We work with clients around the Clackamas County courthouse, the McLoughlin Promenade and the municipal elevator, downtown Main Street below the bluff and Willamette Falls.

Who we work with in Oregon City

  • Sole practitioners in law, title, insurance and accounting around the courthouse
  • Trades and restoration contractors working on the older housing stock below and above the bluff
  • Downtown independent retail and food
  • Landlords holding long-owned rental property in the historic districts

Tax preparation in Oregon City

Oregon City is the county seat, and its returns reflect that: professional practices, trades working on older housing stock, and a lot of sole proprietors with Portland-sourced income.

Sole practitioners here frequently have client income sourced to Portland and Multnomah County, which brings city and county business taxes into play even though the practice is in Clackamas County.

Oregon City is inside the Metro district, so Metro SHS applies personally and the Metro SHS business tax applies to the practice.

Older housing stock means a lot of long-held rental property, and long-held rentals are where understated depreciation quietly accumulates. See rental property returns.

What we do most of in Oregon City

Tax situations we see in Oregon City

Professional practices and where their income is sourced

A solo practitioner in Oregon City with clients in Portland has income sourced to the city and to Multnomah County, which brings both business taxes into scope on the apportioned share. The practice is in Clackamas County; the income is not entirely. Market sourcing looks at where the client receives the benefit of the service, and for a professional practice that generally means where the client is.

Old houses and understated depreciation

Rental property that has been in the family for twenty years is where the largest single correction usually sits. Depreciation is recaptured on sale whether it was claimed or not, so a decade of unclaimed deductions still produces recapture. There is a procedure for correcting it, and on a long-held Oregon City property it is frequently worth five figures.

Repairs, improvements and the bluff

Work on a historic house rarely falls cleanly into repair or improvement, and the distinction decides whether it is deducted now or capitalized over decades. The regulations include safe harbours worth using, and for a landlord doing continuous work on an older property the difference across a few years is substantial. Keep the invoices itemized; a single line saying "renovation" forces the least favorable treatment.

Working with us from here

About eleven miles from the Clackamas office, twenty minutes down I-205.

Most clients outside the immediate Clackamas area work with us remotely — secure document exchange, a phone or video appointment, and e-filing. If you would rather sit across a desk, both offices do that too: Clackamas and The Dalles.

Questions we get from Oregon City

I am a sole practitioner in Oregon City with Portland clients. What do I file?

Federal and Oregon returns, plus potentially Portland Business License Tax and Multnomah County Business Income Tax on the share of income sourced to those jurisdictions, and Metro SHS on income above the threshold.

Should I elect S-corp status?

It depends on whether profit consistently exceeds reasonable compensation by enough to cover the added cost — and it does nothing for Oregon CAT or the local business taxes. See entity selection.

I own older rental property here. Anything specific?

Depreciation on a long-held property is where the money usually is, particularly if prior returns understated it. See rental property returns.

I am a sole practitioner. Is an S election worth it?

It depends on whether profit consistently exceeds a defensible reasonable compensation figure by enough to cover payroll and a second return — and it does nothing at all for Oregon CAT or the Portland business taxes on your city-sourced work. We run the numbers rather than assuming.

I inherited a rental here. Where do I start?

With the basis. It is generally the fair market value at date of death, which resets depreciation and is much easier to establish contemporaneously than years later. Get a valuation now even if you are not selling.

Talk to someone who files these returns every week

Bring last year’s return and whatever changed. Start with a complimentary 15-minute introductory call about your situation and whether we are a good fit.

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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