Harper Tax CPA

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...
Arizona S Corporation (S-Corp) Guide: How to Start or Convert (Step-by-Step)
2025-12-06 07:27 Form an Arizona LLC or corporation and elect S-corp tax status the right way. Includes Form 2553 timing, payroll + reasonable comp, AZ Form 120S filing, conversion checklists, late election relief, an...
The California-Focused Guide to Starting (or Converting to) an S Corporation
2025-12-06 06:42 Thinking about an S corporation in California? This step-by-step guide covers what an S-corp is (and isn’t), how to file Form 2553 on time, what records to keep, how payroll and distributions work, Ca...
Filing an S Corporation Late: IRS & Oregon Penalties Explained
2025-11-20 09:46 Filed your S-corporation return late in Oregon? Learn how IRS Form 1120-S and Oregon Form OR-20-S late filing penalties work, what they cost, and how to reduce or abate them.