Nonprofit · EIN 86-3597904
FOUR CORNERS RESEARCH
Tax-exempt · BOULDER, CO 80301
Address and contacts
- Address (IRS master file)
- 5378 WILD DUNES CT, BOULDER, CO 80301-3779
- In care of
- % SHAUN DAVIES
- Mailing address (990-N for 2024)
- 5378 Wild Dunes Ct, Boulder CO 80301
- Principal officer (990-N for 2024)
- Shaun William Davies, 5378 Wild Dunes Ct, Boulder CO 80301
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in April, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | April 30, 2026 | September 15, 2026 | Not on file |
| 2024 | April 30, 2025 | September 15, 2025 | 990-N on file |
| 2023 | April 30, 2024 | September 16, 2024 | 990-N on file |
IRS record
- EIN
- 86-3597904
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2021
- Accounting year ends
- April
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Social science (V22)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2024 Officer: Shaun William Davies | April 30, 2025 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2023 Officer: Shaun William Davies | April 30, 2024 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2022 Officer: Shaun William Davies | April 30, 2023 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-N for 2021 Officer: Shaun Davies | April 30, 2022 | ≤ $50,000 receipts | – | – | e-Postcard |
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 86-3597904).
Questions about FOUR CORNERS RESEARCH
- What is the EIN of FOUR CORNERS RESEARCH?
- The employer identification number (EIN) of FOUR CORNERS RESEARCH is 86-3597904.
- Is FOUR CORNERS RESEARCH tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2021.
- Are donations to FOUR CORNERS RESEARCH tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does FOUR CORNERS RESEARCH file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of FOUR CORNERS RESEARCH due?
- The return for tax year 2025 (the year ending April 30, 2026) is due September 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did FOUR CORNERS RESEARCH last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2024 for the year ended April 30, 2025.
- Who is the principal officer of FOUR CORNERS RESEARCH?
- The 990-N for 2024 names Shaun William Davies.
Other nonprofits in BOULDER
- INSTITUTE FOR CULTURAL EVOLUTION EIN 46-2100766 · last filed 990 for 2024
- RC28 FOUNDATION EIN 37-2136270 · last filed 990-EZ for 2025
- INTERNATIONAL SOCIETY FOR MEDIA RELIGION AND CULTURE EIN 45-4035694 · last filed 990-N for 2023
- BOULDER COMMUNITY HEALTH EIN 84-0175870 · last filed 990 for 2024
- UNIVERSITY CORPORATION FOR ATMOSPHERIC RESEARCH EIN 84-0412668 · last filed 990 for 2025
- ROCKY MOUNTAIN INSTITUTE EIN 74-2244146 · last filed 990 for 2025
- FRASIER MEADOWS MANOR INC EIN 84-0503809 · last filed 990 for 2025
- SUNDANCE INSTITUTE EIN 87-0361394 · last filed 990 for 2025