Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 39-1830727

NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC

Also known as NCGR MILWAUKEE CHAPTER

Tax-exempt · MEQUON, WI 53092

Address and contacts

Address (IRS master file)
11537 N LAKE SHORE DR, MEQUON, WI 53092-3571
In care of
% DEB ROSEN
Mailing address (990-N for 2025)
11537 North Lake Shore Drive, Mequon WI 53092
Principal officer (990-N for 2025)
Deborah Rosen, 11537 North Lake Shore Drive, Mequon WI 53092

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, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2026 990-N for NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC

Due November 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
39-1830727
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Exempt since
2009
Accounting year ends
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Social science (V039)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Deborah Rosen
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Deborah Rosen
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Deborah Rosen
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Deb Risen
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Nancy Simpson
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: NANCY SIMPSON
June 30, 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 39-1830727).

Questions about NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC

What is the EIN of NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC?
The employer identification number (EIN) of NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC is 39-1830727.
Is NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
Which annual return does NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of NATIONAL COUNCIL FOR GEOCOSMIC RESEARCH INC?
The 990-N for 2025 names Deborah Rosen.

Other nonprofits in MEQUON

All nonprofits in MEQUON · Wisconsin · Social science