A CPA for self employed people in Portland

What a CPA for self employed people in Portland actually does

Freelance designers in the Pearl, rideshare drivers in Gresham, massage therapists in Sellwood, consultants working from a spare room in Beaverton. Their work looks nothing alike, but their tax returns share the same core pieces: Schedule C for business income and expenses, Schedule SE for self employment tax, and a set of estimated payments that nobody withholds for you.

In Portland there is a second layer. Self employed income can create filing duties with the City of Portland and Multnomah County, and higher earners may owe Metro and county personal income taxes on top of the Oregon return. A CPA who works with self employed people here sees all of those pieces every week.

Every request through Accountants Portland goes to a licensed CPA in our Portland area network who handles this kind of return. You get a fixed quote before any work starts.

Schedule C and the expenses you can deduct

Schedule C is where your business income and expenses go when you work for yourself as a sole proprietor or single member LLC. Your profit on that form drives your federal income tax, your self employment tax, your Oregon tax and often your Portland area local taxes too. Getting it right matters more than any other single form.

Deductions only help if you can back them up. Business mileage, software, equipment, phone and internet use, supplies and professional fees are common, but each needs records that show the business purpose. A CPA can help you set up a simple system so you are not sorting a shoebox of receipts the week before the deadline.

If you work from home, the IRS offers a simplified home office method of $5 per square foot for up to 300 square feet. The regular method can give a larger deduction in some cases but takes more records. Your CPA can run both and show you the difference.

Self employment tax explained in plain words

When you work for an employer, they withhold Social Security and Medicare from your paycheck and pay a matching share themselves. When you are self employed, you pay both halves. The IRS calls this self employment tax, and the rate is 15.3%: 12.4% for Social Security and 2.9% for Medicare.

You generally owe it once your net earnings from self employment reach $400 or more for the year. It is figured on Schedule SE. You can then deduct half of it when working out your income tax, which softens the hit a little.

For many new freelancers this is the tax that hurts most, because it applies even when your income tax is low. Some self employed people with steady profit look at forming an LLC and electing S corp status to change how this tax works. That move has real costs and paperwork, so it deserves a proper comparison first.

Quarterly estimated taxes, federal and local

Nobody withholds tax from a 1099 payment, so the IRS expects you to pay during the year. For 2026 you generally need to make estimated payments if you expect to owe at least $1,000 after withholding and credits. The 2026 federal due dates are 4/15/2026, 6/15/2026, 9/15/2026 and 1/15/2027.

Oregon has its own estimates, and so do the Metro and Multnomah County personal income taxes administered by the City of Portland. For those local taxes, starting with tax year 2026, estimates are required once your liability for that tax reaches $5,000, with payments due 4/15, 6/15, 9/15 and 1/15.

Missing estimates usually means penalties and interest, and a large bill when you file. A CPA can work out a payment plan for each quarter based on what you have actually earned so far, instead of a single guess made at the start of the year.

Portland, Metro and Multnomah County taxes for self employed people

If you do business in Portland or Multnomah County, you may need to file the combined City of Portland and Multnomah County business tax return. On the 2025 form for individuals, the Portland Business License Tax rate is 2.6% and the Multnomah County Business Income Tax rate is 2%, each with a $100 minimum. The form includes an owner's compensation deduction, which can reduce what you owe.

On the personal side, the Metro Supportive Housing Services tax is 1% of Metro taxable income above $125,000 single or $200,000 joint for tax years through 2025, and $128,000 or $205,000 for 2026. The Multnomah County Preschool for All tax is 1.5% above $125,000 single or $200,000 joint, plus another 1.5% above $250,000 or $400,000. Both depend on where you live and where you work.

Portland residents 18 and older also face the Arts Tax if their income is over the threshold. For tax year 2026 it is $50 for most filers and $100 for married couples filing jointly.

• Combined Portland and Multnomah County business tax return
• Metro Supportive Housing Services personal income tax (Form MET-40)
• Multnomah County Preschool for All personal income tax (Form MC-40)
• City of Portland Arts Tax
• TriMet transit self employment tax, if you have self employment earnings in the district

Getting set up the right way from the start

A lot of self employed people come to a CPA after a rough first year. The fix is usually simple: a separate bank account, a monthly habit of reviewing transactions, and a set percentage of each payment moved into a tax savings account.

Clients also ask about 1099 forms. If you pay other contractors, the IRS reporting threshold for Form 1099-NEC changed from $600 for payments before 2026 to $2,000 for payments made in 2026. Your CPA can tell you which forms you need to send and which ones you should expect to receive.

It also helps to register with the right agencies early. A Portland business tax account with the Revenue Division, an assumed business name with the Oregon Secretary of State if you trade under something other than your own name, and a clear record of where you do your work all make later filings smoother.

Planning beyond this year's return

Filing is only half of the job. The other half is deciding what to do before the year ends, while there is still time to change the result. That might mean buying equipment you were going to need anyway, paying a planned expense before year end instead of just after it, or putting money into a retirement plan built for self employed people.

Self employed people do not get an employer retirement plan, so the choice of plan is yours. The rules, limits and deadlines differ from plan to plan and change from year to year, which is why a CPA checks the current figures for your tax year before recommending one.

Income that swings from year to year is another reason to plan. A designer who lands two big contracts in one year and very little the next may cross into the Metro and Preschool for All tax brackets one year and drop out the next. Spotting that ahead of time can shape when you invoice, when you buy, and how much you set aside each quarter.

Common questions