Simperman-Corette Foundation
Historical FunderSammamish, Washington · EIN 91-1656462 · Private foundation · Website
Half of its grants to organizations were between $81,000 and $875,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | ROY W SIMPERMAN |
|---|---|
| Address | 320 ISSAQUAH PINE LAKE RD 393, SAMMAMISH WA 98040 |
| Phone | 4256503700 |
| Form and materials | PURPOSE OF THE REQUEST; CURRENT FINANCIAL STATEMENTS; OTHER FUNDING SOURCES; IRS LETTER OF DETERMINATION; LIST OF BOARD MEMBERS & EXECUTIVES; |
| Deadlines | NOVEMBER 1 |
| Restrictions | NONE |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
71% of grants went outside Washington.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Carroll College | Helena, MT | Contribution to scholarship fund | $1,359,416 |
| O'dea High School | Seattle, WA | Contribution to scholarship fund | $875,000 |
| St James Cathedral | Seattle, WA | General support | $280,000 |
| Butte Central Educational Foundation | Butte, MT | Contribution to scholarship fund | $100,000 |
| Wm Keck Observatory | Kamuela, HI | General support | $100,000 |
| Parker School | Kamuela, HI | General support | $81,000 |
| Powell County Community Foundation | Deer Lodge, MT | Support of community based programs | $55,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $2,850,416 | 7 |
| 2024 | $309,000 | 3 |
| 2023 | $304,000 | 3 |
Sources
- IRS Form 990-PF, tax year 2025, filed Jun 16, 2026 - IRS e-file batch, object ID 202611679349100021
- IRS Tax Exempt Organization Search for EIN 91-1656462
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.