Skip to main content

Nonprofit · EIN 99-3753296

SIDE HOUSE FOUNDATION

Tax-exempt · COSTA MESA, CA 92627

Address and contacts

Address (IRS master file)
1717 MONROVIA AVE, COSTA MESA, CA 92627-4406
Mailing address (990-N for 2025)
1717 Monrovia Avenue, Costa Mesa CA 92627
Principal officer (990-N for 2025)
Alex Murray, 1717 Monrovia, Costa Mesa CA 92627

California records

California keeps its own records of charities and corporations. Search them by EIN 99-3753296 or by the name SIDE HOUSE FOUNDATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

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, 2024Check at the IRS

IRS record

EIN
99-3753296
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
2024
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Alex Murray
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: ALEX MURRAY
December 31, 2024≤ $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 99-3753296).

Questions about SIDE HOUSE FOUNDATION

What is the EIN of SIDE HOUSE FOUNDATION?
The employer identification number (EIN) of SIDE HOUSE FOUNDATION is 99-3753296.
Is SIDE HOUSE FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to SIDE HOUSE FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SIDE HOUSE FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SIDE HOUSE 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 SIDE HOUSE 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 SIDE HOUSE FOUNDATION?
The 990-N for 2025 names Alex Murray.

Other nonprofits in COSTA MESA

All nonprofits in COSTA MESA · California · Mental health and crisis intervention