William B Dietrich Foundation
Historical funder research: IRS Form 990-PF filings from US private foundations, showing who funded what in past years. This is not a list of currently open grant calls, and we do not track open RFPs from private foundations. From public IRS Form 990-PF filings (latest on file for this funder: tax year 2024). Coverage: tax years 2019–2025. Freshness: the IRS releases these returns 1.5–2+ years after the tax year ends, so 2025 is still partial and a funder's newest grants may not appear yet. Last updated: November 14, 2026. Filings can contain errors, so confirm current priorities and deadlines with the funder before applying.
Year 2025 is still partial because many returns have not been filed or released yet. That is a freshness issue — coverage in our dataset is tax years 2019–2025.
Only 38.7% of this funder's organizational grants could be linked to an IRS cause code.
- Form & materials
- IN WRITING, OUTLINING THE NATURE OF THE ORGANIZATION, INTENDED USE OF FUNDS, ACCOMPANIED BY A COPY OF IRS LETTER OF DETERMINATION OF CHARITABLE STATUS INDICATING THE RECIPIENT IS NOT A PRIVATE FOUNDATION.
- Deadlines
- N/A
- Restrictions
- N/A
| Recipient | Location | Purpose (as filed) | Amount | Tax yr |
|---|---|---|---|---|
| Friends of Laurel Hill & West Laurel Hill Cemeteries | Philadelphia, PA | RESTORATION OF GATEHOUSE | $1,160,000 | 2024 |
| The Franklin Institute | Philadelphia, PA | HAMILTON COLLECTIONS GALLERY | $500,000 | 2024 |
| Morris Arboretum of the University of Pennsylvania | Philadelphia, PA | RENOVATION & REPAIR OF THE STEP FOUNTAIN | $340,000 | 2024 |
| Philadelphia Society for the Preservation of Landmarks | Philadelphia, PA | GRUMBLETHORPE HISTORIC TENANT HOUSE RESTORATION PROJECTI | $330,000 | 2024 |
| Williamson College of the Trades | Media, PA | DOORS & WINDOWS FOR EXTERIOR RESTORATION OF DERRICKSON COTTAGE | $270,000 | 2024 |
| Township of Lower Merion | Ardmore, PA | GENERAL PURPOSES | $255,000 | 2024 |
| US Squash Racquets Association Inc | Philadelphia, PA | DESIGN, CONSTRUCTION & DEVELOPMENT OF A NEW RECEPTION AREA AT THE ARMORY | $240,000 | 2024 |
| Saint Mark's Church | Philadelphia, PA | MASONRY WORK & EXTERIOR LIGHTING OF THE LADY CHAPEL | $54,700 | 2024 |
| Surrey Services for Seniors | Berwyn, PA | GENERAL OPERATIONS | $10,000 | 2024 |
| New Horizons Senior Center | Narberth, PA | GENERAL PURPOSES | $10,000 | 2024 |
| University of Pennsylvania Museum of Archaeology and Anthropology | Philadelphia, PA | CONSTRUCTION & ESTABLISMENT OF THE EGYPT & NUBIA RESEARHC CENTER AT THE MUSEUM | $1,300,000 | 2023 |
| Saint Mark's Church | Philadelphia, PA | MASONRY WORK & LIGHTING OF THE LADY CHAPEL | $765,481 | 2023 |
| Germantown Friends School | Philadelphia, PA | RENOVATION & CONSTRUCTION OF IMPROVEMENTS ON CAMPUS | $450,000 | 2023 |
| Historical Society of Pennsylvania | Philadelphia, PA | EXTERIOR RESTORATION & LIGHTING (3RD OF 3 INSTALLMENTS) | $431,000 | 2023 |
| Congregation Rodeph Shalom | Philadelphia, PA | STAINED GLASS WINDOW RESTORATION | $155,000 | 2023 |
| Threefold Education Association | Mechanicsburg, PA | PROJECT AT MT. ZION LUTHERAN CHURCH BUILDING | $50,000 | 2023 |
| Called to Serve Community Development Corp | Philadelphia, PA | PROJECT AT REV. LEON H. SULLIVAN COMMUNITY IMPACT CENTER | $25,000 | 2023 |
| Surrey Services for Seniors | Berwyn, PA | GENERAL OPERATIONS | $10,000 | 2023 |
| New Horizons Senior Center | Narberth, PA | GENERAL PURPOSES | $10,000 | 2023 |
| Historical Society of Pennsylvania | Philadelphia, PA | EXTERIOR RESTORATION & LIGHTING (1ST & 2ND OF 3 INSTALLMENTS) | $864,000 | 2022 |
| Curtis Institute of Music | Philadelphia, PA | WINDOW REPLACEMENT & EXTERIOR RESTORATION OF 1726 LOCUST STREET | $745,000 | 2022 |
| The Academy of Music | Philadelphia, PA | RESTORATION OF BROAD ST & LOCUST ST BALCONIES (3RD OF 3 INSTALLMENTS) | $317,000 | 2022 |
| Academy of Natural Sciences of Drexel University | Philadelphia, PA | BENGAL TIGER DIORAMA (ASIA HALL) | $275,000 | 2022 |
| Springside Chestnut Hill Academy | Philadelphia, PA | RENOVATION OF RECREATIONAL CENTER FOR THE PERFORMING ARTS | $250,000 | 2022 |
| The Barnes Foundation | Philadelphia, PA | SECOND CENTURY CAMPAIGN | $200,000 | 2022 |
Grants to individuals are counted but not named.
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