Harper Tax CPA
Oregon S-Corp Extension & Payment Deadlines (1120-S + OR-20-S) for Portland, Multnomah & TriMet
2026-02-23 06:00
Running an Oregon S corporation means tracking two different deadline systems: (1) your income tax returns (IRS Form 1120-S and Oregon OR-20-S, with extensions that give more time to file), and (2) Po...
Portland-Metro Tax Planning for Health Professionals: Schedule C vs S-Corp
2026-01-18 13:01
Portland-area health professionals often miss local taxes and filings (Portland/Multnomah/Metro) and may overpay self-employment tax on Schedule C. This guide explains the key taxes to watch, when an ...
Oregon Consultants: S-Corp Tax Planning, Accounting, and Portland/Multnomah Tax Traps
2025-12-19 11:06
A practical guide for Oregon consultants on clean bookkeeping, CAT exposure, S-corp payroll/reasonable comp, Oregon PTE-E (SALT workaround), and Portland/Multnomah/Metro local business and owner taxes...
Oregon + Portland Guide to Starting (or Converting to) an S Corporation (2025)
2025-12-06 08:07
Starting an S-corp in Oregon is usually two steps: form an Oregon LLC/corp, then file Form 2553. This guide covers OR-20-S, Oregon’s $150 minimum excise tax, CAT and PTE-E, plus Portland/Multnomah/Met...
