Harper Tax CPA
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...
Who Must Report Gross Receipts to the City of Los Angeles (and Which LA ZIP Codes Count)
2026-01-29 11:49
LA business tax is based on City boundaries—not ZIP codes. This guide shows how to confirm whether an address is inside the City of Los Angeles, why many “Los Angeles” ZIPs are only partial, what LA m...
Arizona & Phoenix Metro Tax Planning for Health Practitioners: Schedule C vs S-Corp + Local TPT Checklist
2026-01-18 13:29
Phoenix-area clinicians often miss tax savings and local compliance details. Learn where S-corp savings come from, when Arizona’s PTE election matters, and how Phoenix TPT applies if you sell products...
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 ...
