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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 33-0362858

MOUNTAIN SKIES ASTRONOMICAL SOCIETY

Tax-exempt · LK ARROWHEAD, CA 92352

Address and contacts

Address (IRS master file)
PO BOX 1169, LK ARROWHEAD, CA 92352-1169
In care of
% LORANN PARKER
Mailing address (990-N for 2025)
P O BOX 1169 27614 STATE HWY 18, Lake Arrowhead CA 923521169
Principal officer (990-N for 2025)
LORANN PARKER, 520 Rainier Rd, PO Box 1134, LAKE ARROWHEAD CA 92352

California records

California keeps its own records of charities and corporations. Search them by EIN 33-0362858 or by the name MOUNTAIN SKIES ASTRONOMICAL SOCIETY.

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

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990-N on file
2024May 31, 2025October 15, 2025990-N on file
2023May 31, 2024October 15, 2024990-N on file

File the 2026 990-N for MOUNTAIN SKIES ASTRONOMICAL SOCIETY

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

IRS record

EIN
33-0362858
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
1994
Accounting year ends
May
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: LORANN PARKER
May 31, 2026≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: LORANN PARKER
May 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: DR LORANN PARKER
May 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Lorann Parker
May 31, 2023≤ $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 33-0362858).

Questions about MOUNTAIN SKIES ASTRONOMICAL SOCIETY

What is the EIN of MOUNTAIN SKIES ASTRONOMICAL SOCIETY?
The employer identification number (EIN) of MOUNTAIN SKIES ASTRONOMICAL SOCIETY is 33-0362858.
Is MOUNTAIN SKIES ASTRONOMICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1994.
Are donations to MOUNTAIN SKIES ASTRONOMICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MOUNTAIN SKIES ASTRONOMICAL SOCIETY file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of MOUNTAIN SKIES ASTRONOMICAL SOCIETY due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MOUNTAIN SKIES ASTRONOMICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended May 31, 2026.
Who is the principal officer of MOUNTAIN SKIES ASTRONOMICAL SOCIETY?
The 990-N for 2025 names LORANN PARKER.

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