COST 2027 Spring Conference / Audit Session
Apr 19–21, 2027
Fairmont Chicago Millennium Park · Chicago, IL
COST's spring state and local tax conference paired with an audit session.
Who it's for: In-house state and local tax professionals.
Quick answers
- When is COST 2027 Spring Conference / Audit Session?
- COST 2027 Spring Conference / Audit Session runs from Mon, Apr 19–21, 2027 (3 days).
- Where is COST 2027 Spring Conference / Audit Session?
- It's held at Fairmont Chicago Millennium Park in Chicago, IL.
- Who runs COST 2027 Spring Conference / Audit Session?
- Council On State Taxation (COST). Registration and the agenda are on the official site.
- When is the next COST Spring Conference?
- The organizer hasn't announced upcoming dates yet. See every COST Spring Conference date.
Side events around COST 2027 Spring Conference / Audit Session
No side events listed yet. Dinners, happy hours and meetups usually get announced a few weeks out.
Other COST Spring Conference dates
MonApr 20–23, 2026
COST Spring Conference & Audit Session 2026
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