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Nonprofit · EIN 81-1493142

LOS ALAMOS MUSEUM OF ART

Tax-exempt · LOS ALAMOS, NM 87544

Address and contacts

Address (IRS master file)
PO BOX 790, LOS ALAMOS, NM 87544-0790
Mailing address (990-N for 2024)
PO Box 790, Los Alamos NM 87544
Principal officer (990-N for 2024)
Paul Tatter, PO Bix 1148, Corrales NM 87048

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, 2026Not due yet
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

IRS record

EIN
81-1493142
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
2016
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Paul Tatter
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Ruth Tatter
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Ruth Tatter
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Ruth Tatter
June 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Ruth Tatter
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Ruth Tatter
June 30, 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 81-1493142).

Questions about LOS ALAMOS MUSEUM OF ART

What is the EIN of LOS ALAMOS MUSEUM OF ART?
The employer identification number (EIN) of LOS ALAMOS MUSEUM OF ART is 81-1493142.
Is LOS ALAMOS MUSEUM OF ART tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
Are donations to LOS ALAMOS MUSEUM OF ART tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does LOS ALAMOS MUSEUM OF ART file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of LOS ALAMOS MUSEUM OF ART due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did LOS ALAMOS MUSEUM OF ART last file with the IRS?
The latest return in the IRS public files is the 990-N for 2024 for the year ended June 30, 2025.
Who is the principal officer of LOS ALAMOS MUSEUM OF ART?
The 990-N for 2024 names Paul Tatter.

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