Accounting Events

COST Annual Meeting 2027

The next COST Annual Meeting is Sep 21–24, 2027 at Omni San Diego Hotel at the Ballpark in San Diego, CA. It's run by Council On State Taxation.

COST 58th Annual Meeting details →Official site ↗

Upcoming dates

TueSep 21–24, 2027

COST 58th Annual Meeting

Omni San Diego Hotel at the Ballpark · San Diego, CA

  • Tax
  • Sales & indirect tax
  • CPE credit

Past editions

TueSep 22–25, 2026

COST 57th Annual Meeting

Hyatt Regency San Antonio Riverwalk · San Antonio, TX

  • Tax
  • Sales & indirect tax
  • CPE credit

About COST Annual Meeting

COST's main yearly state and local tax conference for multistate businesses.

Who it's for: Corporate SALT professionals.