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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 32-0487738

DUARTE HISTORICAL SOCIETY & MUSEUM

Tax-exempt · DUARTE, CA 91009

Address and contacts

Address (IRS master file)
PO BOX 263, DUARTE, CA 91009-0263
In care of
% CLAUDIA HELLER
Mailing address (990-N for 2025)
P O Box 263, Duarte CA 91009
Principal officer (990-N for 2025)
Elizabeth Reilly, PO Box 263, Duarte CA 91009

California records

California keeps its own records of charities and corporations. Search them by EIN 32-0487738 or by the name DUARTE HISTORICAL SOCIETY & MUSEUM.

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 DUARTE HISTORICAL SOCIETY & MUSEUM

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

IRS record

EIN
32-0487738
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
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Elizabeth Reilly
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Elizabeth Reilly
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Elizabeth Reilly
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Elizabeth Reilly
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Stephen R Baker
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Stephen R Baker
December 31, 2019≤ $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 32-0487738).

Questions about DUARTE HISTORICAL SOCIETY & MUSEUM

What is the EIN of DUARTE HISTORICAL SOCIETY & MUSEUM?
The employer identification number (EIN) of DUARTE HISTORICAL SOCIETY & MUSEUM is 32-0487738.
Is DUARTE HISTORICAL SOCIETY & MUSEUM tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
Are donations to DUARTE HISTORICAL SOCIETY & MUSEUM tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does DUARTE HISTORICAL SOCIETY & MUSEUM file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of DUARTE HISTORICAL SOCIETY & MUSEUM 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 DUARTE HISTORICAL SOCIETY & MUSEUM 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 DUARTE HISTORICAL SOCIETY & MUSEUM?
The 990-N for 2025 names Elizabeth Reilly.

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