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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 93-1133518

ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON

Tax-exempt · BEND, OR 97708

Address and contacts

Address (IRS master file)
PO BOX 8146, BEND, OR 97708-8146
Mailing address (990-N for 2025)
PO Box 8146, Bend OR 97708
Principal officer (990-N for 2025)
Bob Timmer, 1184 NW Redfield Circle, Bend OR 97703

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 ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON

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

IRS record

EIN
93-1133518
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
1995
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Category (NTEE)
Social science (V21)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Bob Timmer
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Bob Timmer
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Bob Timmer
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Steve Hussey
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Steve Hussey
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Steve Hussey
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 93-1133518).

Questions about ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON

What is the EIN of ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON?
The employer identification number (EIN) of ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON is 93-1133518.
Is ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
Are donations to ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON 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 ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON 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 ARCHAEOLOGICAL SOCIETY OF CENTRAL OREGON?
The 990-N for 2025 names Bob Timmer.

Other nonprofits in BEND

All nonprofits in BEND · Oregon · Social science