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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 45-0588759

SAN BERNARDINO MICROWAVE SOCIETY

Tax-exempt (reinstated) · NORCO, CA 92860

Address and contacts

Address (IRS master file)
PO BOX 5192, NORCO, CA 92860-8006
Mailing address (990-N for 2025)
PO Box 5192, Norco CA 92860
Principal officer (990-N for 2025)
Martin Woll, 21301 Candice Pl, Chatsworth CA 91311

California records

California keeps its own records of charities and corporations. Search them by EIN 45-0588759 or by the name SAN BERNARDINO MICROWAVE SOCIETY.

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, 2024990-N on file

File the 2026 990-N for SAN BERNARDINO MICROWAVE SOCIETY

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

IRS record

EIN
45-0588759
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2022
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Revocation and reinstatement

Exemption revoked
May 15, 2013
Posted by the IRS
August 12, 2013
Reinstated
Effective October 15, 2021

From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Martin Woll
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Martin Woll
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Marty Woll
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Martin Woll
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2009
Officer: Richard Kolbly
December 31, 2009≤ $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 45-0588759).

Questions about SAN BERNARDINO MICROWAVE SOCIETY

What is the EIN of SAN BERNARDINO MICROWAVE SOCIETY?
The employer identification number (EIN) of SAN BERNARDINO MICROWAVE SOCIETY is 45-0588759.
Is SAN BERNARDINO MICROWAVE SOCIETY tax-exempt?
Yes. The IRS revoked its exemption on May 15, 2013 and reinstated it effective October 15, 2021.
Are donations to SAN BERNARDINO MICROWAVE SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SAN BERNARDINO MICROWAVE SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SAN BERNARDINO MICROWAVE SOCIETY 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 SAN BERNARDINO MICROWAVE SOCIETY 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 SAN BERNARDINO MICROWAVE SOCIETY?
The 990-N for 2025 names Martin Woll.

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