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...
LA S-Corp Filing Calendar: Federal 1120-S + California 100S + LA Business Tax Renewal (1000A)
2026-02-23 05:56
If your S corporation operates in Los Angeles, you’re tracking three separate compliance clocks: the federal 1120-S, California 100S, and the City of LA Business Tax Renewal (1000A). Extensions can gi...
California S Corporation Extensions & Payments: IRS 1120-S and CA 100S Deadlines
2026-02-23 05:48
Learn filing and payment deadlines for California S corporations—how to extend IRS Form 1120-S with Form 7004, California’s automatic 100S filing extension, and when CA S-Corp tax and estimated paymen...
California + Los Angeles Tax Planning for Health Professionals: Schedule C vs S-Corp and LA Business Tax Basics
2026-01-18 13:16
Los Angeles–area therapists, counselors, chiropractors, PT/OTs, and other clinicians often miss tax savings not because of “secret deductions,” but because entity structure, payroll execution, and LA ...
