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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 95-2497048

RIVERSIDE MOUNTAIN RESCUE UNIT INC

Tax-exempt · HEMET, CA 92544

Address and contacts

Address (IRS master file)
43950 ACACIA STREET, HEMET, CA 92544-5343
In care of
% RIVERSIDE MOUNTAIN RESCUE UNIT
Mailing address (990-N for 2025)
43950 ACACIA STREET, HEMET CA 925445343
Principal officer (990-N for 2025)
Matthew Frenken, 14054 Tiger Lily Ct, Eastvale CA 92880

California records

California keeps its own records of charities and corporations. Search them by EIN 95-2497048 or by the name RIVERSIDE MOUNTAIN RESCUE UNIT INC.

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 April, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025April 30, 2026September 15, 2026990-N on file
2024April 30, 2025September 15, 2025990-N on file
2023April 30, 2024September 16, 2024990-N on file

File the 2026 990-N for RIVERSIDE MOUNTAIN RESCUE UNIT INC

Due September 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
95-2497048
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
1968
Accounting year ends
April
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Matthew Frenken
April 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Matthew Frenken
April 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Matthew Frenken
April 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Matthew Frenken
April 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Peter Carlson
April 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Peter Carlson
April 30, 2020≤ $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 95-2497048).

Questions about RIVERSIDE MOUNTAIN RESCUE UNIT INC

What is the EIN of RIVERSIDE MOUNTAIN RESCUE UNIT INC?
The employer identification number (EIN) of RIVERSIDE MOUNTAIN RESCUE UNIT INC is 95-2497048.
Is RIVERSIDE MOUNTAIN RESCUE UNIT INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1968.
Are donations to RIVERSIDE MOUNTAIN RESCUE UNIT INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does RIVERSIDE MOUNTAIN RESCUE UNIT INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of RIVERSIDE MOUNTAIN RESCUE UNIT INC due?
The return for tax year 2026 (the year ending April 30, 2027) is due September 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did RIVERSIDE MOUNTAIN RESCUE UNIT INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended April 30, 2026.
Who is the principal officer of RIVERSIDE MOUNTAIN RESCUE UNIT INC?
The 990-N for 2025 names Matthew Frenken.

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