State Tax Issues

Fifteen evergreen year-end tax moves across income timing, deductions, retirement, business, and state items — everything to handle before December 31.

Remote work can create tax obligations in multiple states. Learn how states source your income, how employer withholding works across state lines, and what to track.

Moving states doesn’t automatically change your tax residency. Learn the domicile and statutory residency tests states use, how to audit-proof your move, and how dual-state filing works.

State tax audits run on different rules than IRS audits — different powers, timelines, and a heavy focus on residency and nexus. Here’s how they compare and how to defend yourself.