Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 27-3194161

GMARS CENTER FOR SOLAR SYSTEM STUDIES

Tax-exempt · RCH CUCAMONGA, CA 91730

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026990-N on file
2024June 30, 2025November 17, 2025No data
2023June 30, 2024November 15, 2024No data

File the 2026 990-N for GMARS CENTER FOR SOLAR SYSTEM STUDIES

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

IRS record

EIN
27-3194161
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
2010
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssets
990-N for 2025June 30, 2026≤ $50,000 receipts––

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF: e-filed returns processed since 2019; amounts from the IRS Statistics of Income extracts where available.

Other organizations in RCH CUCAMONGA