Nonprofit · EIN 30-6578339
QUERCUS FOUNDATION
Also known as RICHARD AIELLO TTEE
Tax-exempt · CLAYTON, CA 94517
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $70,433 | $75,961 | -$5,528 | $1,792,429 | $0 | $1,792,429 |
| December 31, 2024 | 990-PF | $62,540 | $67,472 | -$4,932 | $1,585,872 | $0 | $1,585,872 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $41,480
- Interest
- $2
- Net gain from sales of assets
- $28,951
Expenses
- Grants and similar amounts paid
- $72,500
- Disbursements for charitable purposes
- $75,061
- Excise tax on investment income
- $979
Balance sheet and other
- Total assets, start of year
- $1,585,872
- Total assets, end of year
- $1,792,429
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,792,429
- Fair market value of assets
- $1,792,429
- Qualifying distributions
- $75,061
- Net investment income
- $70,433
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Richard Aiello 5433 Clayton Rd Suite K164, Clayton, CA 94517 | Trustee | 2 | $0 |
| Paula Aiello 5433 Clayton Rd Suite K164, Clayton, CA 94517 | Trustee | 2 | $0 |
990-PF for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Richard Aiello 5433 Clayton Rd Suite K164, Clayton, CA 94517 | Trustee | 2 | $0 |
| Paula Aiello 5433 Clayton Rd Suite K164, Clayton, CA 94517 | Trustee | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 5433 CLAYTON RD K164, CLAYTON, CA 94517-1089
- Signed the 990-PF
- Richard Aiello, Trustee
- Phone
- (925) 895-7603
- Return prepared by
- Fontanello Duffield & Otake LLP
California records
California keeps its own records of charities and corporations. Search them by EIN 30-6578339 or by the name QUERCUS FOUNDATION.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 30-6578339
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2017
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T11)
- Assets (IRS master file)
- $1,792,429
- Income (IRS master file)
- $116,782
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $70,433 | $75,961 | $1,792,429 | XML |
| 990-PF | December 2024 | $62,540 | $67,472 | $1,585,872 | IRS |
| 990-PF | December 2023 | $39,484 | $69,988 | $1,427,531 | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 30-6578339).
Questions about QUERCUS FOUNDATION
- What is the EIN of QUERCUS FOUNDATION?
- The employer identification number (EIN) of QUERCUS FOUNDATION is 30-6578339.
- Is QUERCUS FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
- Are donations to QUERCUS FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does QUERCUS FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of QUERCUS FOUNDATION due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did QUERCUS FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of QUERCUS FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does QUERCUS FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $70,433, expenses of $75,961 and total assets of $1,792,429 at year end.
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All nonprofits in CLAYTON · California · Philanthropy, voluntarism and grantmaking foundations