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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 36-6205845

ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS

Also known as LAKE COUNTY CHAPTER

Tax-exempt · LAKE FOREST, IL 60045

Address and contacts

Address (IRS master file)
1375 N WESTERN AVEUE, LAKE FOREST, IL 60045-0000
In care of
% KEVIN SHAFFER
Mailing address (990-N for 2024)
1375 N Western Aveue, Lake Forest IL 60045
Principal officer (990-N for 2024)
Patrick Bleck, 1375 N Western Avenue, Lake Forest IL 60045

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 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-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2025 990-N for ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS

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

IRS record

EIN
36-6205845
Tax-exempt status
501(c)(6): Business league or chamber of commerce
Donations deductible
No
Exempt since
1968
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Patrick Bleck
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Patrick Bleck
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Patrick Bleck
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Patrick Bleck
June 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Patrick Bleck
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Bleck
June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Patrick J Bleck
June 30, 2019≤ $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 36-6205845).

Questions about ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS

What is the EIN of ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS?
The employer identification number (EIN) of ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS is 36-6205845.
Is ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(6) since 1968.
Are donations to ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.
Who is the principal officer of ILLINOIS SOCIETY OF PROFESSIONAL ENGINEERS?
The 990-N for 2024 names Patrick Bleck.

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