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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 38-2485501

MICHIGAN KARST CONSERVANCY INC

Tax-exempt · ANN ARBOR, MI 48104

Address and contacts

Address (IRS master file)
2805 GLADSTONE AVE, ANN ARBOR, MI 48104-6432
In care of
% JEAN DEVRIES
Mailing address (990-N for 2025)
2805 Gladstone Ave, Ann Arbor MI 48104
Principal officer (990-N for 2025)
Jeannine DeVries, 5665 Barcroft Dr SW, WYOMING MI 49418

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 August, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027990-N on file
2024August 31, 2025January 15, 2026990-N on file
2023August 31, 2024January 15, 2025990-N on file

File the 2026 990-N for MICHIGAN KARST CONSERVANCY INC

Due January 18, 2028 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
38-2485501
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1984
Accounting year ends
August
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Jeannine DeVries
August 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Alice Rolfes-Curl
August 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Alice Rolfes-Curl
August 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Jean DeVries
August 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Mark Whitney
August 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Mark Whitney
August 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 38-2485501).

Questions about MICHIGAN KARST CONSERVANCY INC

What is the EIN of MICHIGAN KARST CONSERVANCY INC?
The employer identification number (EIN) of MICHIGAN KARST CONSERVANCY INC is 38-2485501.
Is MICHIGAN KARST CONSERVANCY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1984.
Are donations to MICHIGAN KARST CONSERVANCY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MICHIGAN KARST CONSERVANCY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MICHIGAN KARST CONSERVANCY INC due?
The return for tax year 2026 (the year ending August 31, 2027) is due January 18, 2028. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MICHIGAN KARST CONSERVANCY INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended August 31, 2026.
Who is the principal officer of MICHIGAN KARST CONSERVANCY INC?
The 990-N for 2025 names Jeannine DeVries.

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