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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-2150133

PAUL HUMMEL ASTRONOMY CLUB OF BOULDER

Tax-exempt · BOULDER, CO 80302

Address and contacts

Address (IRS master file)
4539 LEE HILL DR, BOULDER, CO 80302-9303
Mailing address (990-N for 2025)
4539 Lee Hill Dr, Boulder CO 80302
Principal officer (990-N for 2025)
Alexandra Witze, 4539 Lee Hill Dr, Boulder CO 80302

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

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

File the 2026 990-N for PAUL HUMMEL ASTRONOMY CLUB OF BOULDER

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
84-2150133
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
2020
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Alexandra Witze
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Alexandra Witze
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Alexandra Witze
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Alexandra Witze
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Alexandra Witze
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Alexandra Witze
December 31, 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 84-2150133).

Questions about PAUL HUMMEL ASTRONOMY CLUB OF BOULDER

What is the EIN of PAUL HUMMEL ASTRONOMY CLUB OF BOULDER?
The employer identification number (EIN) of PAUL HUMMEL ASTRONOMY CLUB OF BOULDER is 84-2150133.
Is PAUL HUMMEL ASTRONOMY CLUB OF BOULDER tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
Are donations to PAUL HUMMEL ASTRONOMY CLUB OF BOULDER tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does PAUL HUMMEL ASTRONOMY CLUB OF BOULDER file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of PAUL HUMMEL ASTRONOMY CLUB OF BOULDER due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PAUL HUMMEL ASTRONOMY CLUB OF BOULDER last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of PAUL HUMMEL ASTRONOMY CLUB OF BOULDER?
The 990-N for 2025 names Alexandra Witze.

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