Question 1

Is Keystone Substance Abuse Services a tax-exempt 501(c)(3)?

Accepted Answer

Yes — Keystone Substance Abuse Services is recognised by the IRS as a 501(c)(3) organisation (EIN 57-0526943). The IRS recognised Keystone Substance Abuse Services as tax-exempt in September 1971.

Question 2

What is Keystone Substance Abuse Services's EIN?

Accepted Answer

Keystone Substance Abuse Services's Employer Identification Number (EIN) is 57-0526943. The EIN was assigned by the IRS in September 1971. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.

Question 3

What does Keystone Substance Abuse Services do?

Accepted Answer

Award-winning organization offering responsive and innovative Substance use disorder Services.

Question 4

Where is Keystone Substance Abuse Services located?

Accepted Answer

Keystone Substance Abuse Services is located at PO BOX 4437, Rock Hill, SC, 29731.

Question 5

When was Keystone Substance Abuse Services founded or recognised by the IRS?

Accepted Answer

Keystone Substance Abuse Services was recognised by the IRS as a tax-exempt organisation in September 1971. The IRS ruling date is the earliest authoritative date available for most US nonprofits.

Question 6

What is Keystone Substance Abuse Services's annual revenue?

Accepted Answer

On its most recent Form 990 (fiscal year 2023), Keystone Substance Abuse Services reported $6.2M in total revenue and $5.8M in total expenses.

Question 7

Has Keystone Substance Abuse Services been auto-revoked by the IRS?

Accepted Answer

No — Keystone Substance Abuse Services (EIN 57-0526943) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.

Question 8

Is Keystone Substance Abuse Services listed in IRS Publication 78?

Accepted Answer

Yes — Keystone Substance Abuse Services is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.

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Keystone Substance Abuse Services

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