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Year-end & tax season checklist

Offices in Clackamas & The Dalles, Oregon

503-785-3200

Heather’s Tax Service & More

Multnomah County

Tax preparation for Sellwood-Moreland

Sellwood-Moreland is the Portland neighborhood closest to our Clackamas office, and it has an unusually high density of very small owner-operated businesses along Milwaukie and 13th Avenues.

A small business owner at her desk

Which tax jurisdictions Sellwood-Moreland is actually in

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

  • All four Portland layers apply.
  • Very small businesses may fall under the city and county gross receipts exemption thresholds — but a filing is generally still required to claim the exemption.
  • The TriMet self-employment tax catches nearly every sole proprietor here, and almost none of them have heard of it.

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

Antiques, independent retail, design studios, therapists and practitioners, and a large number of sole proprietors working from home. Businesses here are typically one or two people with modest revenue and disproportionately complex questions.

We work with clients around SE 13th Avenue antique row, Westmoreland Park, the Sellwood Bridge and Milwaukie immediately south.

Who we work with in Sellwood-Moreland

  • Antique dealers and independent retail along SE 13th
  • Therapists, practitioners and single-owner professional practices
  • Design studios and makers working from home or small studio space
  • Sole proprietors below the city business tax exemption threshold

What we do most of in Sellwood-Moreland

Tax situations we see in Sellwood-Moreland

Under the threshold still means filing

The Portland and Multnomah County business taxes have gross receipts floors below which no tax is owed — but the exemption generally has to be claimed by filing a return. Being small removes the tax, not the obligation. A one-person studio that has never filed because it assumed the exemption applied automatically has a straightforward correction, and it is cheaper the earlier it is done.

Working with us from here

About fifteen minutes from the Clackamas office — the closest Portland neighborhood to us.

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 Sellwood-Moreland

My business is tiny. Do I still have to file city returns?

Usually yes, to claim the exemption. Being under the threshold generally removes the tax, not the filing.

What is the TriMet self-employment tax?

A separate Oregon tax on self-employment earnings from business carried on inside the TriMet district. It is filed on its own form and national software does not prompt for it.

How close is your office?

About fifteen minutes across the river — Sellwood is the closest Portland neighborhood to Clackamas.

I have never registered my one-person business with the city. What now?

Register and file the open years claiming the exemption where it applies. The tax is usually nil; it is the missed filings that create the exposure, and they are inexpensive to clear.

I sell online as well as in the shop. Does that create obligations elsewhere?

It can. Selling into states with a sales tax may create registration and collection obligations there once thresholds are crossed, though marketplace platforms often handle it for sales made through them. Direct sales from your own site are the ones to watch.

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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