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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 31-0239870

CINCINNATI INSURANCE BOARD

Tax-exempt · CINCINNATI, OH 45202

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-EZ on file
2023June 30, 2024November 15, 2024990-EZ on file

File the 2025 990-EZ for CINCINNATI INSURANCE BOARD

Due November 16, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
31-0239870
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1942
Accounting year ends
June
Files
Form 990 or 990-EZ

Filing history

FormYear endedRevenueExpensesAssets
990-EZJune 2025–––
990-EZJune 2024–––
990-EZJune 2023–––
990-EZJune 2022–––
990June 2021–––
990June 2019–––

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF: e-filed returns processed since 2019; amounts from the IRS Statistics of Income extracts where available.

Other organizations in CINCINNATI