Florida foundation intelligence  ·  Florida

Mary & Bob Sierra Family Foundation Inc

Between its 2021–2024 filings, Mary & Bob Sierra Family Foundation Inc made 223 grants to Florida organizations totaling $4,174,311 — median $4,000. Here is what they actually funded, from their IRS 990-PF filings. A note on dates: 990-PF filings become public one to two years after the fiscal year they cover, so 2024 is the newest year on public record — giving patterns persist, but always confirm current priorities with the funder.

223
FL grants on record
$4,174,311
Total FL giving
$4,000
Median grant
$231,150
Largest grant

Winnability verdict

Apply Our reading as of October 11, 2026, from filings through 2024.

  • Their filing publishes an application route — the door is open (details under “How to approach them” below).
  • A real pattern, not a one-off: 18 grants in youth & family services on their Florida record ($1,969,969).
  • Size the ask from their record: median grant $4,000, largest $231,150.

Deadline: Their filing states there is no application deadline.

The verdict is our judgment from public filings — the funder’s own process statements are quoted where they exist, and funders make their own decisions. Verify with the funder before applying.

What they actually fund

A grant that serves more than one cause is counted under each cause it fits, so the totals above can overlap — the headline grant count above is the true total.

Where their Florida grants land: Tampa, Brooksville, Clearwater, Lakeland, Lutz.

Grants on the record

The largest itemized Florida grants in their filings, one row per recipient. “Grants” counts how many times they funded that recipient in the years on record; the amount and purpose are from the largest of those grants.

YearsRecipientGrantsLargest grantStated purpose
2021–2024Pasco Education Foundation Inc4$231,150To Provide Funds for General Operating Needs of Organization.
2021–2024Hillsborough Education Foundation4$226,400To Provide Funds for General Operating Needs of Organization.
2021–2024Hernando County Education Foundation Inc4$159,989To Provide Funds for General Operating Needs of Organization.
2022–2024Tampa Metropolitan Area Ymca3$145,000To Provide Funds for General Operating Needs of Organization.
2021–2024St Joseph's Hospitals Foundation4$105,000To Provide Funds for General Operating Needs of Organization.
2021–2024Academy Prep Center of Tampa4$101,200To Provide Funds for General Operating Needs of Organization.
2021–2024Bob Sierra Ymca Misc Operations4$60,000To Provide Funds for General Operating Needs of Organization.
2022–2024First Tee3$51,000To Provide Funds for General Operating Needs of Organization.

How to approach them

Apply: There is no specific form. | Deadlines: There is no submission deadline. | Restrictions: The only restriction is that the requesting entity must be a 501(c)(3) charity. | ~78 grants/yr, median $3,650

Source: 990-PF Part XV via grantmakers.io.

Full filings on ProPublica · EIN 592846736

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Data: itemized grants from IRS 990-PF filings through 2024, via public records. Page updated October 11, 2026. Winnable Grants is not affiliated with Mary & Bob Sierra Family Foundation Inc; figures are our reading of public filings — verify with the funder before applying. Nothing here is legal or financial advice.