Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 86-0528794

SONORA ASTRONOMICAL SOCIETY INC

Tax-exempt · GREEN VALLEY, AZ 85614

Address and contacts

Address (IRS master file)
2208 E APACHE SPRINGS LN, GREEN VALLEY, AZ 85614-5532
In care of
% LARRY M WOOD
Mailing address (990-N for 2025)
2208 E Apache Springs Ln, Green Valley AZ 85614
Principal officer (990-N for 2025)
John Dwyer, 2208 E Apache Springs Ln, Green Valley AZ 85614

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, 2026990-N on file
2024June 30, 2025November 17, 2025990-N on file
2023June 30, 2024November 15, 2024990-N on file

File the 2026 990-N for SONORA ASTRONOMICAL SOCIETY INC

Due November 15, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
86-0528794
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1986
Accounting year ends
June
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: John Dwyer
June 30, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: John Dwyer
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: John Dwyer
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: John Dwyer
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: John P Dwyer
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: John Dwyer
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 86-0528794).

Questions about SONORA ASTRONOMICAL SOCIETY INC

What is the EIN of SONORA ASTRONOMICAL SOCIETY INC?
The employer identification number (EIN) of SONORA ASTRONOMICAL SOCIETY INC is 86-0528794.
Is SONORA ASTRONOMICAL SOCIETY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1986.
Are donations to SONORA ASTRONOMICAL SOCIETY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SONORA ASTRONOMICAL SOCIETY INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of SONORA ASTRONOMICAL SOCIETY INC due?
The return for tax year 2026 (the year ending June 30, 2027) is due November 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did SONORA ASTRONOMICAL SOCIETY INC last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended June 30, 2026.
Who is the principal officer of SONORA ASTRONOMICAL SOCIETY INC?
The 990-N for 2025 names John Dwyer.

Other nonprofits in GREEN VALLEY

All nonprofits in GREEN VALLEY · Arizona