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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-4647629

MYCOMARIN

Tax-exempt · MILL VALLEY, CA 94941

Address and contacts

Address (IRS master file)
690 REDWOOD HWY, MILL VALLEY, CA 94941-3006
In care of
% KEVIN SADLIER
Mailing address (990-N for 2024)
690 Redwood Hwy, Mill Valley CA 94941
Principal officer (990-N for 2024)
Cherry J Allen, 24 Skyline Drive, WARREN NJ 07059

California records

California keeps its own records of charities and corporations. Search them by EIN 84-4647629 or by the name MYCOMARIN.

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

Tax yearYear endedDueIRS public records
2025August 31, 2026January 15, 2027Not due yet
2024August 31, 2025January 15, 2026990-N on file
2023August 31, 2024January 15, 2025990-N on file

File the 2025 990-N for MYCOMARIN

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

IRS record

EIN
84-4647629
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
2020
Accounting year ends
August
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C30)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Cherry J Allen
August 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Cherry Allen
August 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Cherry Allen
August 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Cherry Allen
August 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Cherry Allen
August 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Cherry Allen
August 31, 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 84-4647629).

Questions about MYCOMARIN

What is the EIN of MYCOMARIN?
The employer identification number (EIN) of MYCOMARIN is 84-4647629.
Is MYCOMARIN tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
Are donations to MYCOMARIN tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MYCOMARIN file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MYCOMARIN due?
The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MYCOMARIN last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended August 31, 2025.
Who is the principal officer of MYCOMARIN?
The 990-N for 2024 names Cherry J Allen.

Other nonprofits in MILL VALLEY

All nonprofits in MILL VALLEY · California · Environment