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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 45-5335370

DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION

Tax-exempt · HERMOSA BEACH, CA 90254

Address and contacts

Address (IRS master file)
1734 THE STRAND, HERMOSA BEACH, CA 90254-3413
Mailing address (990-N for 2025)
1734 The Strand, Hermosa Beach CA 90254
Principal officer (990-N for 2025)
Karynne Thim, 1734 The Strand, Hermosa Beach CA 90254

California records

California keeps its own records of charities and corporations. Search them by EIN 45-5335370 or by the name DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION.

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 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, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
45-5335370
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
2013
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Medical research (H12)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Karynne Thim
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Karynne Thim
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Karynne Thim
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: John G Wallace Jr
December 31, 2021≤ $50,000 receipts––e-Postcard
990-EZDecember 2020–––IRS
990-EZDecember 2019–––IRS
990-N for 2017
Officer: Karynne Thim
December 31, 2017≤ $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 45-5335370).

Questions about DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION

What is the EIN of DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION?
The employer identification number (EIN) of DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION is 45-5335370.
Is DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2013.
Are donations to DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION 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 DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION 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 DOUBLE STRAND VHL CANCER RESEARCH FOUNDATION?
The 990-N for 2025 names Karynne Thim.

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