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Nonprofit · EIN 20-2468781

WILLIAMSON FOUNDATION

Tax-exempt · PEBBLE BEACH, CA 93953

Address and contacts

Address (IRS master file)
PO BOX 524, PEBBLE BEACH, CA 93953-0524
In care of
% JULIE K HANSEN

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
20-2468781
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
2006
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$2,057,974
Income (IRS master file)
$582,545

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025–––IRS
990-PFDecember 2024–––IRS
990-PFDecember 2023$68,810$170,831$2,097,618IRS
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 2018–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

Questions about WILLIAMSON FOUNDATION

What is the EIN of WILLIAMSON FOUNDATION?
The employer identification number (EIN) of WILLIAMSON FOUNDATION is 20-2468781.
Is WILLIAMSON FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
Are donations to WILLIAMSON FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does WILLIAMSON FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of WILLIAMSON 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 WILLIAMSON FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.

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