The Mary & Bob Sierra Family Foundation Inc is a private foundation based in Tampa, Florida, established in 1989. The foundation distributes grants to charitable organizations, with a focus on supporting nonprofits in Florida and surrounding regions.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$23.1M
+2.8% YoY
Annual Giving
$1.4M
+11.9% YoY
Grant Count
78
+1.3% YoY
Avg Grant Size
$19K
+10.5% YoY
Under IRS private-foundation payout rules, Mary & Bob Sierra Family Foundation Inc reported a distributable amount of $1.4M for 2025 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
The foundation provides grants exclusively to IRC Section 501(c)(3) organizations. Primary funding interests include:
- Education
- Human services
- Health
- Religious organizations
- Children and youth
- Animal welfare
- Philanthropy, voluntarism, and grantmaking
The foundation does not engage in direct charitable activities beyond distributing grants to qualified nonprofits.
Grantmaking
Ready to take the next step with Mary & Bob Sierra Family Foundation Inc?
Geographic Focus
Where this funder awards grants
The foundation primarily supports nonprofit organizations in Florida, with emphasis on the Tampa area. Grant-making also extends to North Carolina and Maryland.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
- Total Assets: $23,132,453
- Total Annual Giving: $1,445,339
- Total Revenues: $2,274,087 (2025)
- Total Expenses: $1,636,709 (2025)
- Employees: 0
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $23,132,453 | $22,495,075 | $22,157,568 |
| Revenue | $2,274,087 | $1,820,485 | $1,161,358 |
| Expenses | $1,636,709 | $1,482,978 | $1,139,824 |
| Qualifying Distributions | $1,539,554 | $1,404,237 | $1,075,291 |
| Net Investment Income | $1,113,270 | $810,740 | $1,019,856 |
| Distributable Amount | $1,437,463 | $1,519,973 | $1,394,562 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include Hillsborough Education Foundation ($196,400), Hernando County Education Foundation Inc ($159,989), First Tee ($51,000).
| Recipient | Purpose | Amount |
|---|---|---|
| A Kid's place of Tampa Bay Brandon, FL | To provide funds for general operating needs of organization. | $5,000 |
| AARP Washington, DC | To provide funds for general operating needs of organization. | $500 |
| Academy Prep Center of Tampa Tampa, FL | To provide funds for general operating needs of organization. | $49,550 |
| Action Against Hunger New York, NY | To provide funds for general operating needs of organization. | $5,000 |
| American Cancer Society Tampa, FL | To provide funds for general operating needs of organization. | $100 |
| AOPA Foundation Frederick, MD | To provide funds for general operating needs of organization. | $1,000 |
| Appalachian Regional Healthcare Foundation Boone, NC | To provide funds for general operating needs of organization. | $4,500 |
| Autism Inspired Academy Clearwater, FL | To provide funds for general operating needs of organization. | $1,000 |
| Autism Speaks Boone, IA | To provide funds for general operating needs of organization. | $250 |
| Berkeley Preparatory School Inc Tampa, FL | To provide funds for general operating needs of organization. | $5,500 |
Leadership & Key People
Leadership team and compensation from IRS filings
The trustees are J. Robert Sierra and Mary Sierra.
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| J Robert Sierra | President | 1 | — |
| Michael Sierra | Vice President | 1 | — |
| Stuart Sierra | Secretary | 1 | — |
| John R Sierra Jr | Treasurer | 1 | — |
Contact Information
Address: 509 Guisando De Avila Ste 200, Tampa, FL 33613-5235
Telephone: 813-549-7707
EIN: 59-2846736
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does Mary & Bob Sierra Family Foundation Inc fund?
The foundation provides grants exclusively to IRC Section 501(c)(3) organizations. Primary funding interests include: • Education • Human services • Health • Religious organizations • Children and youth • Animal welfare • Philanthropy, voluntarism, and grantmaking The foundation does not engage in direct charitable activities beyond distributing grants to qualified nonprofits.
How do I apply for a grant from Mary & Bob Sierra Family Foundation Inc?
**Grant Amounts:** Typical awards range from $100 to $231,150. **Types of Support:** Project support and general operating funds. **Recent Grant Activity (2025):** • Hillsborough Education Foundation: $196,400 (general operating needs) • Pasco Education Foundation: $195,900 (general operating needs) • Tampa Metropolitan Area Young Men's Christian Association: Grant amount not specified (general operating needs) **Total Annual Giving:** $1,445,339 (most recent fiscal year)
Where does Mary & Bob Sierra Family Foundation Inc make grants?
The foundation primarily supports nonprofit organizations in Florida, with emphasis on the Tampa area. Grant-making also extends to North Carolina and Maryland.
What size grants does Mary & Bob Sierra Family Foundation Inc award?
In 2025, Mary & Bob Sierra Family Foundation Inc awarded 78 grants totaling $1.4M — an average of about $19K per grant, based on its IRS Form 990 filings.
How much is Mary & Bob Sierra Family Foundation Inc required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Mary & Bob Sierra Family Foundation Inc reported a distributable amount of $1.4M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Mary & Bob Sierra Family Foundation Inc's EIN?
Mary & Bob Sierra Family Foundation Inc's EIN (Employer Identification Number) is 59-2846736. IRS Form 990 filing data is available on this page for 2021–2025.
Explore Open Grants
Browse active grant opportunities in Mary & Bob Sierra Family Foundation Inc's focus areas in our free grants database
Related Funders
Similar funders by location and focus area
Virgil P Warren Fdn Tr Ua
ORLANDO, FL
Assets
$4.2M
Grants
14
Total Given
$96K
Palm Valley Academy Parent-teacher
PONTE VEDRA, FL
Assets
$261K
Grants
1
Total Given
$78K
The Fritch Foundation
FT LAUDERDALE, FL
Assets
—
Grants
17
Total Given
$167K
Leiman Asterisk Foundation Inc
DELRAY BEACH, FL
Assets
$1.2M
Grants
2
Total Given
$62K
Rachel Memorial Foundation
SANTA RSA BCH, FL
Assets
—
Grants
6
Total Given
$10K
My Brother'ssister's Keeper Charitable
ROYAL PALM BEACH, FL
Assets
$462K
Grants
1
Total Given
$50K
Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
What could you do with Mary & Bob Sierra Family Foundation Inc on Grantable?
- Assess strategic fit with your organization
- Draft a tailored letter of inquiry
- Find open RFPs from this funder
- Monitor for new funding opportunities
Go from researching Mary & Bob Sierra Family Foundation Inc to a real strategy.