The South Dakota State Capitol

Form 990-PFTax year 2025EIN 46-4116554

Black Spring Foundation Inc

A private foundation in Sioux Falls, SD. Its return for tax year 2025 lists 12 grants and $4.2 million paid in grants.

Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

6 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $4,220,000

    Grants listed
    12
    Assets, end of year
    $17,512,007
  • Tax year 2024

    $816,508

    Grants listed
    2
    Assets, end of year
    $20,363,555
  • Tax year 2023

    $98,347

    Grants listed
    1
    Assets, end of year
    $16,725,592
  • Tax year 2022

    $74,410

    Grants listed
    1
    Assets, end of year
    $16,323,744
  • Tax year 2021

    $62,863

    Grants listed
    1
    Assets, end of year
    $1,345,119
  • Tax year 2020

    $60,000

    Grants listed
    1
    Assets, end of year
    $1,253,295

Grants paid in 2025

12 grants, largest first

As listed on the return.

  1. Dementia InnovationsSheboygan, WI

    General operating

    $1,125,000
  2. Bernies Book BankLake Bluff, IL

    General operating

    $500,000
  3. Sailing Education Assoc Of Sheboygan ISheboygan, WI

    General operating

    $500,000
  4. Boys & Girls Club of Sheboygan CountySheboygan, WI

    General operating

    $450,000
  5. Sheboygan County Food BankSheboygan, WI

    General operating

    $400,000
  6. Humane Society of Sheboygan CountySheboygan, WI

    General operating

    $395,000
  7. SecureFutures Foundation IncMilwaukee, WI

    General operating

    $250,000
  8. Sheboygan County Warming Center & CommSheboygan, WI

    General operating

    $220,000
  9. HER Alliance IncGreen Bay, WI

    General operating

    $175,000
  10. Weill Center Foundation IncSheboygan, WI

    Weill center transformation

    $100,000
  11. Sheboygan Public Education Foundation IncSheboygan, WI

    Student scholarships

    $60,000
  12. Meals on Wheels of Sheboygan CountySheboygan, WI

    General operating

    $45,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Health1 grant $1,125,00037% of the total
  2. Youth development1 grant $500,00017% of the total
  3. Human services2 grants $425,00014% of the total
  4. Food and agriculture1 grant $400,00013% of the total
  5. Animals1 grant $395,00013% of the total
  6. Arts and culture1 grant $100,0003% of the total
  7. 1 other causes1 grant $60,0002% of the total

By State

Grants to organizations with a US address, latest year.

  1. Wisconsin11 grants $3,720,000
  2. Illinois1 grant $500,000

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • David HeckPresident/Treasurer Hours 1Pay $0
  • Nathan HonsonVice President/Secretary Hours 1Pay $0

The return

More foundations

Similar foundations

Same main cause (health), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. David H Billion FoundationSioux Falls, SD 2 grants Preselected only $4,030,000 giving
  2. Pfeiffer Family FoundationAberdeen, SD 18 grants Preselected only $1,222,305 giving
  3. Bialis Family FoundationLos Angeles, CA 4 grants Preselected only $4,218,571 giving
  4. Idaho Elks Rehab Hospital IncBoise, ID 7 grants Accepts applications $4,222,026 giving
  5. Joyful Noise Charitable FoundationMinneapolis, MN 17 grants Preselected only $4,217,200 giving