Adesso Nonprofit Foundation
Adesso Nonprofit Foundation is a private foundation based in Walnut, California. Its 2025 filing reports charitable contributions to organizations including schools, associations, and a community foundation.
Adesso Nonprofit Foundation at a glance
In short: Adesso Nonprofit Foundation gave $121K across 28 grants in 2025 (avg $4K), mostly in California. 53% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $120,815
- -0.4% vs 2024
- Grants made (2025)
- 28
- +75.0% vs 2024
- Average grant
- $4,315
- -43.1% vs 2024
- Median grant
- $4,447
- Total assets
- $3,268,480
- -2.1% vs 2024
- New grantees (estimate)
- 53% first-time grantees (8 of 15, 2025; small sample)
- Primary geography
- California (91% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Adesso Nonprofit Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 20659 Valley Blvd, Walnut, CA 91789
Phone: (909) 839-2929
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Adesso Nonprofit Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was DBCAA ($28K across 8 grants). Together the top 10 received $115K.
Grant Size Distribution
75 grants across all recorded years
The most common grant size was under $50K: 74 grants of 75 (99%).
Geographic Focus
Where this funder awards grants
In 2025, 91% of grant dollars went to recipients in California, 8% to South Carolina, and 1% to Illinois.
Grant Distribution by State
Share of 2025 grant dollars across all 28 itemized grants.
Cities
Is Adesso Nonprofit Foundation open to new grantees?
53%
first-time grantees, 2025
In 2025, 8 of 15 grantees (53%) were first-time recipients. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $3K; repeat grants $14K. How we count
Medians: $2K first-time, $10K repeat.
- 47% of 2025 grantees were also funded in 2024. Method
- Giving fell 51% from 2022 to 2025. Method
- In 2025 it paid out 73% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $104K (2021) to $246K (2022). In 2025 it made 28 grants totaling $121K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Wvusd Walnut, CA | Charitable Contribution | $13,013 |
| Diamond Bar High School Diamond Bar, CA | Charitable Contribution | $10,000 |
| DBCAA Diamond Bar, CA | Charitable Contribution | $10,000 |
| Community Foundation of Greenville co TD Synnex Share the Magic Greenville, SC | Charitable Contribution | $10,000 |
| Chinese American Parents Association of Walnut Walnut Creek, CA | Charitable Contribution | $10,000 |
| DBCAA Diamond Bar, CA | Charitable Contribution | $9,998 |
| Diamond Bar High School Diamond Bar, CA | Charitable Contribution | $5,000 |
| Wvusd Walnut, CA | Charitable Contribution | $5,000 |
| Walnut Diamond Bar Station Fund Walnut, CA | Charitable Contribution | $5,000 |
| Diamond Bar High School Diamond Bar, CA | Charitable Contribution | $5,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $3,268,480 | $280,578 | $305,189 | $120,815 | 28 | $120,815 | $107,668 | $165,606 |
| 2024 | $3,337,896 | $269,636 | $284,288 | $121,285 | 16 | $121,285 | $107,234 | $139,536 |
| 2023 | $3,372,963 | $267,789 | $306,827 | $142,331 | 14 | $142,331 | $80,223 | $160,382 |
| 2022 | $3,454,029 | $216,994 | $382,163 | $246,210 | 10 | $246,210 | $81,041 | $166,267 |
| 2021 | $3,659,763 | $262,324 | $245,291 | $103,990 | 7 | $103,990 | — | — |
| 2020 | $1,593,303 | $1,660,666 | $67,363 | — | — | — | — | — |
Under IRS private-foundation payout rules, Adesso Nonprofit Foundation reported a distributable amount of $166K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Grantmaking
In filing year 2025, the foundation gave $120,815 across 28 grants. Grants ranged from $100 to $13,013, with a median grant of $4,446. Notable grants included $13,013 to WVUSD; $10,000 each to Diamond Bar High School, DBCAA, the Community Foundation of Greenville co TD Synnex Share the Magic, and the Chinese American Parents Association of Walnut; and $5,000 each to SACPAA and CAPADBHS.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists SHAOLUN KU as CEO.
Adesso Nonprofit Foundation is led by Shaolun Ku, CEO on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Shaolun Ku
CEO
On filings since 2020
5 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Adesso Nonprofit Foundation
How much does Adesso Nonprofit Foundation give each year?
Adesso Nonprofit Foundation gave $121K across 28 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $121K across 16 grants.
What is Adesso Nonprofit Foundation's typical grant size?
Adesso Nonprofit Foundation's median grant in 2025 was $4,447, and its average grant was $4,315, across 28 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Adesso Nonprofit Foundation that year got $3K on average.
Where does Adesso Nonprofit Foundation give grants?
Adesso Nonprofit Foundation gives mostly in California: 91% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was South Carolina (8%). The most frequent recipient cities were Diamond Bar, CA (13 grants), Walnut, CA (5 grants), South Pasadena, CA (3 grants) and San Gabriel, CA (2 grants).
Who are Adesso Nonprofit Foundation's largest grantees?
Adesso Nonprofit Foundation's largest 2025 grantees include DBCAA ($27,875 across 8 grants), Diamond Bar High School ($20,000 across 3 grants) and Wvusd ($18,013 across 2 grants), according to its 2025 IRS Form 990-PF. Together they received 55% of its itemized 2025 grant dollars.
How large is Adesso Nonprofit Foundation?
Adesso Nonprofit Foundation reported $3.3M in total assets on its 2025 IRS Form 990-PF. It paid out $121K in qualifying distributions that year, against a required minimum of $166K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
How do I apply for a grant from Adesso Nonprofit Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Adesso Nonprofit Foundation's EIN?
Adesso Nonprofit Foundation's EIN (Employer Identification Number) is 84-4075301. IRS Form 990 filing data is available on this page for 2020–2025.
Does Adesso Nonprofit Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 19, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Adesso Nonprofit Foundation funds
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