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Nonprofit · EIN 38-3783603

FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS

Tax-exempt · SAN ANTONIO, TX 78212

Address and contacts

Address (IRS master file)
620 E DEWEY PL, SAN ANTONIO, TX 78212-4011
In care of
% PHYLLIS B SIEGEL
Mailing address (990-N for 2025)
620 E Dewey Pl, San Antonio TX 78212
Principal officer (990-N for 2025)
Phyllis B Siegel, 620 E Dewey Pl, San Antonio TX 78212

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, 2025No data
2023December 31, 2023May 15, 2024No data

IRS record

EIN
38-3783603
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
2008
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Medical research (H05)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Phyllis B Siegel
December 31, 2025≤ $50,000 receipts––e-Postcard
990-EZDecember 2019–––IRS
990-EZDecember 2018–––IRS

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, 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.

Questions about FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS

What is the EIN of FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS?
The employer identification number (EIN) of FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS is 38-3783603.
Is FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2008.
Are donations to FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS 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 FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS 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 FOUNDATION OF COLLABORATIVE UNIQUE SCIENCE FOCUS?
The 990-N for 2025 names Phyllis B Siegel.

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