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Nonprofit · EIN 81-3852545

ONTARIO INDONESIAN MAHK CHURCH

Tax-exempt · RCH CUCAMONGA, CA 91730

Address and contacts

Address (IRS master file)
9503 PLACER ST, RCH CUCAMONGA, CA 91730-4052
In care of
% SAUT SIMATUPANG
Mailing address (990-N for 2020)
9503 Placer St, Rancho Cucamonga CA 91730
Principal officer (990-N for 2020)
MARTUARADJA OLOAN TAMBUNAN, 9503 Placer St, Rancho Cucamonga CA 91730

California records

California keeps its own records of charities and corporations. Search them by EIN 81-3852545 or by the name ONTARIO INDONESIAN MAHK CHURCH.

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 Not required (church). Churches are not required to file. 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, 2026Not on file
2024December 31, 2024May 15, 2025Not on file
2023December 31, 2023May 15, 2024Not on file

At risk of automatic revocation

None of the last three returns is in the IRS public files. The IRS revokes tax-exempt status after three consecutive years without a return. Recent filings can take a few weeks to appear.

IRS record

EIN
81-3852545
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Church
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2017
Accounting year ends
December
Files
Not required (church)
Category (NTEE)
Religion-related (X20)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2020
Officer: MARTUARADJA OLOAN TAMBUNAN
December 31, 2020≤ $50,000 receipts––e-Postcard
990-EZDecember 2019–––IRS
990-EZDecember 2018–––IRS

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 81-3852545).

Questions about ONTARIO INDONESIAN MAHK CHURCH

What is the EIN of ONTARIO INDONESIAN MAHK CHURCH?
The employer identification number (EIN) of ONTARIO INDONESIAN MAHK CHURCH is 81-3852545.
Is ONTARIO INDONESIAN MAHK CHURCH tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
Are donations to ONTARIO INDONESIAN MAHK CHURCH tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ONTARIO INDONESIAN MAHK CHURCH file?
Form Not required (church). Churches are not required to file.
When is the next return of ONTARIO INDONESIAN MAHK CHURCH due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ONTARIO INDONESIAN MAHK CHURCH last file with the IRS?
The latest return in the IRS public files is the 990-N for 2020 for the year ended December 31, 2020.
Who is the principal officer of ONTARIO INDONESIAN MAHK CHURCH?
The 990-N for 2020 names MARTUARADJA OLOAN TAMBUNAN.

Other nonprofits in RCH CUCAMONGA

All nonprofits in RCH CUCAMONGA · California · Religion-related