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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 31-1587760

LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC

Tax-exempt · RAPID CITY, SD 57702

Address and contacts

Address (IRS master file)
1805 CENTRAL BLVD, RAPID CITY, SD 57702-4280
In care of
% MARK ANDERSON
Mailing address (990-N for 2024)
1805 Central Blvd, Rapid City SD 57702
Principal officer (990-N for 2024)
Mark T Anderson, 1805 Central Blvd, Rapid City SD 57702

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

File the 2025 990-N for LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC

Due November 16, 2026 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
31-1587760
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
June
Files
Form 990-N (e-Postcard)
Category (NTEE)
Environment (C34)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2024
Officer: Mark T Anderson
June 30, 2025≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Mark T Anderson
June 30, 2024≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Mark Anderson
June 30, 2023≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Mark Anderson
June 30, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Mark Anderson
June 30, 2021≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Mark Anderson
June 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Mark Anderson
June 30, 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 31-1587760).

Questions about LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC

What is the EIN of LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC?
The employer identification number (EIN) of LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC is 31-1587760.
Is LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
Are donations to LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC 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 LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC 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 LITTLE SPEARFISH CONSERVATION & HISTORIC PRESERVATION ASSOC?
The 990-N for 2024 names Mark T Anderson.

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