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Form 990-PFTax year 2025EIN 99-2798244

Sinclair Foundation

A private foundation in Rock Hill, SC. Its return for tax year 2025 lists 3 grants and $130,791 paid in grants.

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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. It still lists the details below.

Contact
Donn Sinclair
948 Myrtle Drive
Rock Hill, SC 29730
Deadlines
None
Restrictions
None

Assets and giving by year

2 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $130,791

    Grants listed
    3
    Assets, end of year
    $2,274,929

  • Tax year 2024

    $180,281

    Grants listed
    1
    Assets, end of year
    $1,040,607

Grants paid in 2025

3 grants, largest first

As listed on the return.

  1. Miscellaneous OrganizationsRock Hill, SC

    Charity

    $52,080
  2. School DistrictsBarnesville, OH

    Education

    $45,750
  3. Church OrganizationsRock Hill, SC

    Charity

    $32,961

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. South Carolina2 grants $85,041
  2. Ohio1 grant $45,750

Officers, directors and trustees

3 people as filed

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

  • Donn J SinclairPRESIDENT Hours 168Pay $6,578
  • Kristin P SinclairVICE-PRESIDENT Hours 5Pay $0
  • Douglas J SinclairMANAGER Hours 168Pay $22,786

The return

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