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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 91-1240780

ASSOCIATION FOR WASHINGTON ARCHAEOLOGY

Tax-exempt · SEATTLE, WA 98195

Address and contacts

Address (IRS master file)
UNIVERSITY OF WASHINGTON BOX 353010, SEATTLE, WA 98195-0001
In care of
% BURKE MUSEUM ARCHAEOLOGY CURATOR
Mailing address (990-N for 2025)
University of Washington Box 353010, Seattle WA 98195
Principal officer (990-N for 2025)
Christopher Lockwood, 11710 Exeter Avenue NE, Seattle WA 98125

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

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026990-N on file
2024March 31, 2025August 15, 2025990-N on file
2023March 31, 2024August 15, 2024990-N on file

File the 2026 990-N for ASSOCIATION FOR WASHINGTON ARCHAEOLOGY

Due August 16, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
91-1240780
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
1998
Accounting year ends
March
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C30Z)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Christopher Lockwood
March 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Jason Cooper
March 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Jason Cooper
March 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Jason Cooper
March 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Kelly Bush
March 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Kelly Bush
March 31, 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 91-1240780).

Questions about ASSOCIATION FOR WASHINGTON ARCHAEOLOGY

What is the EIN of ASSOCIATION FOR WASHINGTON ARCHAEOLOGY?
The employer identification number (EIN) of ASSOCIATION FOR WASHINGTON ARCHAEOLOGY is 91-1240780.
Is ASSOCIATION FOR WASHINGTON ARCHAEOLOGY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
Are donations to ASSOCIATION FOR WASHINGTON ARCHAEOLOGY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ASSOCIATION FOR WASHINGTON ARCHAEOLOGY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ASSOCIATION FOR WASHINGTON ARCHAEOLOGY due?
The return for tax year 2026 (the year ending March 31, 2027) is due August 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ASSOCIATION FOR WASHINGTON ARCHAEOLOGY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended March 31, 2026.
Who is the principal officer of ASSOCIATION FOR WASHINGTON ARCHAEOLOGY?
The 990-N for 2025 names Christopher Lockwood.

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