- Is Copperstone Development a tax-exempt 501(c)(3)?
- Yes — Copperstone Development is recognised by the IRS as a 501(c)(3) organisation (EIN 93-2796780). The IRS recognised Copperstone Development as tax-exempt in July 2025.
- What is Copperstone Development's EIN?
- Copperstone Development's Employer Identification Number (EIN) is 93-2796780. The EIN was assigned by the IRS in July 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Copperstone Development do?
- Copperstone Development is registered with the IRS as a human services nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is Copperstone Development located?
- Copperstone Development is located at 4025 Teton Trce, Sioux City, IA, 51104-4329.
- When was Copperstone Development founded or recognised by the IRS?
- Copperstone Development was recognised by the IRS as a tax-exempt organisation in July 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
