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Nonprofit · EIN 77-0232728

MOSTLY BALKAN

Tax-exempt · HALF MOON BAY, CA 94019

Address and contacts

Address (IRS master file)
555 FERDINAND AVE, HALF MOON BAY, CA 94019-4629
In care of
% MARTIN E FROST
Mailing address (990-N for 2025)
2756 Estella Drive, Santa Clara CA 95051
Principal officer (990-N for 2025)
Susan W Ritz, 2756 Estella Drive, Santa Clara CA 95051

California records

California keeps its own records of charities and corporations. Search them by EIN 77-0232728 or by the name MOSTLY BALKAN.

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 MOSTLY BALKAN

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

IRS record

EIN
77-0232728
Tax-exempt status
501(c)(4): Social welfare organization
Donations deductible
No
Exempt since
1991
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Susan W Ritz
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Susan W Ritz
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Susan W Ritz
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Susan W Ritz
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Susan W Ritz
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Susan W Ritz
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 77-0232728).

Questions about MOSTLY BALKAN

What is the EIN of MOSTLY BALKAN?
The employer identification number (EIN) of MOSTLY BALKAN is 77-0232728.
Is MOSTLY BALKAN tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1991.
Are donations to MOSTLY BALKAN tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does MOSTLY BALKAN file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MOSTLY BALKAN 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 MOSTLY BALKAN 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 MOSTLY BALKAN?
The 990-N for 2025 names Susan W Ritz.

Other nonprofits in HALF MOON BAY

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