The William and Diane Nitterhouse
CHAMBERSBURG, PA EIN: 23-2493715
Financial Overview
From 2025 IRS Form 990-PF
Total Assets
$661K
+3.8% YoY
Annual Giving
$1K
+11.4% YoY
Grant Count
3
+0.0% YoY
Avg Grant Size
$408.333
+11.4% YoY
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Financial History
Multi-year comparison from IRS filings
Revenue
Expenses
Qualifying Distributions
Net Investment Income
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $661,304 | $636,998 | $617,805 |
| Revenue | $32,257 | $21,955 | $36,177 |
| Expenses | $7,762 | $2,696 | $1,582 |
| Qualifying Distributions | $4,441 | $1,846 | $742 |
| Net Investment Income | $34,024 | $36,213 | $33,950 |
| Distributable Amount | $75,358 | $60,134 | $53,252 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
Grant Size Distribution
44 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Who else does The William and Diane Nitterhouse fund?
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Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| WILLIAM K NITTERHOUSE | TRUSTEE | 1 | — |
| DIANE R NITTERHOUSE | TRUSTEE | 0.5 | — |
| KAREN N DILLER | TRUSTEE | 0.5 | — |
| LAURA E MARTIN | TRUSTEE | 0.5 | — |
Geographic Focus
Where this funder has awarded grants
Grant Distribution by State
Pennsylvania $926K (99%)
District of Columbia $2K (0%)
Maryland $1K (0%)
Virginia $650 (0%)
Tennessee $500 (0%)
West Virginia $500 (0%)
Kansas $150 (0%)
New Hampshire $50 (0%)
Cities
ArlingtonBaltimoreChambersburgCharlottesvilleDilsburgElizabethtownFayettevilleFort LoudonGreencastleHarpers FerryHarrisburgMechanicsburgMemphisMilfordNewvillePhiladelphiaRestonRockvilleShippensburgSt Thomas
Data last updated March 2026. Sourced from IRS Form 990-PF filings.
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