Private Foundation

Mary & Bob Sierra Family Foundation Inc

Mary & Bob Sierra Family Foundation Inc, of Tampa, FL, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $2.3M in revenue, $1.6M in expenses, $23.1M in total assets. IRS filings disclose 274 grants awarded by this foundation, totaling roughly $4.2M.

EIN: 592846736 Tampa, FL Latest filing: 2025

Total Revenue$2.3M

Total Expenses$1.6M

Total Assets$23.1M

Grants Given274

Grant Total$4.2M

Filing Years2021–2025

Sample Grants Given

Hillsborough Education Foundation

Tampa, FL · 2024

To provide funds for general operating needs of organization.

$196,400

Pasco Education Foundation Inc

Land OLakes, FL · 2024

To provide funds for general operating needs of organization.

$195,900

Hernando County Education Foundation Inc

Brooksville, FL · 2024

To provide funds for general operating needs of organization.

$159,989

Tampa Metropolitan Area YMCA

Tampa, FL · 2024

To provide funds for general operating needs of organization.

$145,000

St Joseph's Hospitals Foundation

Tampa, FL · 2024

To provide funds for general operating needs of organization.

$105,000

Showing up to 5 of 274 total records — full history available with membership.

Officers & Directors

Treasurer John R Sierra Jr

President J Robert Sierra

Vice President Michael Sierra

Secretary Stuart Sierra

Officer compensation and complete director data available with membership.

Top Grant Purposes

To provide funds for general operating needs of organization.

$4,212,098 274 grants

Financial Trends

Year	Revenue	Expenses	Assets
2025	$2.3M	$1.6M	$23.1M
2024	$1.8M	$1.5M	$22.5M
2023	$1.2M	$1.1M	$22.2M
2021	$1.1M	$585K	$8.4M

Between 2021 and 2025, reported annual revenue grew from $1.1M to $2.3M (+110%), with total assets most recently reported at $23.1M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in DC, FL, GA, IA, IL, IN, and 4 other states.

DCFLGAIAILINKSMDMNMT

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for Mary & Bob Sierra Family Foundation Inc

Complete financials, all 274 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports