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Nonprofit · EIN 36-4399927

ILLINOIS VALLEY DENTAL SOCIETY

Tax-exempt · OTTAWA, IL 61350

Address and contacts

Address (IRS master file)
1704 POLARIS CIRCLE, OTTAWA, IL 61350-1773
In care of
% WILLIAM WROBEL
Mailing address (990-N for 2025)
1704 Polaris Circle, ottawa IL 61350
Principal officer (990-N for 2025)
Bobbi Laun, 1704 polaris circle, ottawa IL 61350

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

IRS record

EIN
36-4399927
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
2011
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Bobbi Laun
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Bobbi Laun
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Bobbi Laun
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Bobbi Laun
May 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Thomas Rooney
May 31, 2020≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 36-4399927).

Questions about ILLINOIS VALLEY DENTAL SOCIETY

What is the EIN of ILLINOIS VALLEY DENTAL SOCIETY?
The employer identification number (EIN) of ILLINOIS VALLEY DENTAL SOCIETY is 36-4399927.
Is ILLINOIS VALLEY DENTAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 2011.
Are donations to ILLINOIS VALLEY DENTAL SOCIETY tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ILLINOIS VALLEY DENTAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ILLINOIS VALLEY DENTAL SOCIETY due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ILLINOIS VALLEY DENTAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of ILLINOIS VALLEY DENTAL SOCIETY?
The 990-N for 2025 names Bobbi Laun.

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