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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 45-4928618

ARBOGAST FOUNDATION

Tax-exempt · MECHANICSBURG, PA 17055

Address and contacts

Address (IRS master file)
2389 LOBACH DR, MECHANICSBURG, PA 17055-5375
Mailing address (990-N for 2025)
2389 Lobach Drive, Mechanicsburg PA 17055
Principal officer (990-N for 2025)
William Arbogast, 2389 Lobach Drive, Mechanicsburg PA 17055

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 ARBOGAST FOUNDATION

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

IRS record

EIN
45-4928618
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
2015
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Health care (E12)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: William Arbogast
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: William Arbogast
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: William Arbogast
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: William Arbogast
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: William C Arbogast
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: William C Arbogast
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: William C Arbogast
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 45-4928618).

Questions about ARBOGAST FOUNDATION

What is the EIN of ARBOGAST FOUNDATION?
The employer identification number (EIN) of ARBOGAST FOUNDATION is 45-4928618.
Is ARBOGAST FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
Are donations to ARBOGAST FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ARBOGAST FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ARBOGAST FOUNDATION 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 ARBOGAST FOUNDATION 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 ARBOGAST FOUNDATION?
The 990-N for 2025 names William Arbogast.

Other nonprofits in MECHANICSBURG

All nonprofits in MECHANICSBURG · Pennsylvania · Health care