The Mark and Mitzi Hofmann Foundation makes a small number of relatively large, locally focused grants in the Pittsburgh area, favoring general operating support. Their giving blends support for faith-based/independent secondary education, health and rehabilitation services, and first-responder or veterans causes. One grantee (Sun System Development Corp) receives outsized, repeat support, suggesting a strategic or anchor partnership alongside several community nonprofits.
Concentrated portfolio with a few mid-to-large unrestricted grants; repeat, sizable support to a single organization plus targeted operating grants to local nonprofits rather than many small gifts or national initiatives.
The Mark and Mitzi Hofmann Foundation’s recent giving is anchored by repeated $25,000 support for Sun System Development Corp, a pattern that stands out alongside its local Pittsburgh-area grants. The foundation mixes that anchor relationship with support for independent Catholic schooling, rehabilitation services, youth sports, and veterans or first-responder causes. Its recent grants show a small number of awards, but several are at the upper end of its distribution, with general support and general operating support used across multiple recipients. In education, the foundation has backed North Catholic High School and Shady Side Academy. In health and human services, Gateway Rehab and Children’s Hospital of Pittsburgh appear among its recent recipients. The giving also reaches beyond education and health into public-service and community-oriented work, including Stephen Siller Tunnel to Towers Foundation and First Tee - Pittsburgh. The result is a grant pattern that looks relationship-driven and locally rooted, with one recurring grantee receiving the largest awards and several regional nonprofits receiving smaller operating grants.
In education, The Mark and Mitzi Hofmann Foundation has supported independent secondary schools in the Pittsburgh area. North Catholic High School received $25,000 for general operating support, while Shady Side Academy received $2,000 in 2024 and another $2,000 in 2023, both for general support. Its health-related giving includes $10,000 to Gateway Rehab for general operating support and $2,000 to Children’s Hospital of Pittsburgh for general operating support. Those awards point to an emphasis on core organizational needs rather than program-specific projects. The foundation also funds community and service-oriented causes. Stephen Siller Tunnel to Towers Foundation received $10,000 for general support, and First Tee - Pittsburgh received $2,500 for general support. Together, these grants show interest in veterans or first-responder support and youth-development programming.
Typical grant size centers on a median of $10,000, with a lower quartile of $2,000 and an upper quartile of $25,000. That spread matches a pattern of a few relatively large awards and several smaller operating grants. The most visible recurring recipient is Sun System Development Corp, which received $25,000 in 2024 and again in 2025. The recent record is entirely composed of US recipients, and the foundation’s grants are issued as general support or general operating support rather than program-restricted awards. The foundation funds individuals is false, and it does not make program-related investments.
$104K
$239K
$18K
$30K
Most grants fall between $2K and $25K, with a median of $10K.
25th Percentile
$2K
Median
$10K
75th Percentile
$25K
About 67% of grants go to recipients in PA.
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Notable grantees: Sun System Development Corp, North Catholic High School, Stephen Siller Tunnel to Towers Foundation, Gateway Rehab
The foundation gives most often in Pennsylvania, and 67% of its grants go to recipients in its headquarters state. Recent Pennsylvania recipients include Pittsburgh, Cranberry, Wexford, and other Pittsburgh-area organizations. Its only non-Pennsylvania recipients in the recent list are in New York and Florida: Stephen Siller Tunnel to Towers Foundation in Staten Island and Sun System Development Corp in Altamonte Springs. The overall recipient country distribution is fully domestic, with all recent grants going to US organizations.
Its recent grants go to independent Catholic secondary education, health and rehabilitation services, and community service or veteran-related causes. Examples include North Catholic High School, Gateway Rehab, Stephen Siller Tunnel to Towers Foundation, and First Tee - Pittsburgh.
The grant-size distribution centers on a p25 of $2,000, a median of $10,000, and a p75 of $25,000. Recent awards include both smaller operating grants and several $25,000 gifts.
Yes. Although 67% of grants go to recipients in Pennsylvania, recent non-Pennsylvania awards went to Stephen Siller Tunnel to Towers Foundation in Staten Island, New York, and Sun System Development Corp in Altamonte Springs, Florida.
Yes. Sun System Development Corp received $25,000 in 2024 and again in 2025, showing repeat support. Shady Side Academy also appears in both 2023 and 2024, with $2,000 grants in each year.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| SUN SYSTEM DEVELOPMENT CORP | ALTAMONTE SPRING, FL | $25,000 | 2025 | GENERAL SUPPORT |
| FIRST TEE - PITTSBURGH | PITTSBURGH, PA | $2,500 | 2025 | GENERAL SUPPORT |
| SUN SYSTEM DEVELOPMENT CORP | ALTAMONTE SPRING, FL | $25,000 | 2024 | GENERAL SUPPORT |
| STEPHEN SILLER TUNNEL TO TOWERS FDN | STATEN ISLAND, NY | $10,000 | 2024 | GENERAL SUPPORT |
| SHADY SIDE ACADEMY | PITTSBURGH, PA | $2,000 | 2024 | GENERAL SUPPORT |
| NORTH CATHOLIC HIGH SCHOOL | CRANBERRY, PA | $25,000 | 2023 | GENERAL OPERATING |
| GATEWAY REHAB | WEXFORD, PA | $10,000 | 2023 | GENERAL OPERATING |
| CHILDRENS HOSPITAL OF PITTSBURGH | PITTSBURGH, PA | $2,000 | 2023 | GENERAL OPERATING |
| SHADY SIDE ACADEMY | PITTSBURGH, PA | $2,000 | 2023 | GENERAL SUPPORT |
SUN SYSTEM DEVELOPMENT CORP
$25,000GENERAL SUPPORT
FIRST TEE - PITTSBURGH
$2,500GENERAL SUPPORT
SUN SYSTEM DEVELOPMENT CORP
$25,000GENERAL SUPPORT
STEPHEN SILLER TUNNEL TO TOWERS FDN
$10,000GENERAL SUPPORT
SHADY SIDE ACADEMY
$2,000GENERAL SUPPORT
NORTH CATHOLIC HIGH SCHOOL
$25,000GENERAL OPERATING
GATEWAY REHAB
$10,000GENERAL OPERATING
CHILDRENS HOSPITAL OF PITTSBURGH
$2,000GENERAL OPERATING
SHADY SIDE ACADEMY
$2,000GENERAL SUPPORT