- Is Altadena Historical Society a tax-exempt 501(c)(3)?
- Yes. Altadena Historical Society is recognised by the IRS as a 501(c)(3) organisation (EIN 23-7372694). The IRS recognised Altadena Historical Society as tax-exempt in January 1998.
- What is Altadena Historical Society's EIN?
- Altadena Historical Society's Employer Identification Number (EIN) is 23-7372694. The EIN was assigned by the IRS in January 1998. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Altadena Historical Society do?
- We gather preserve and share print and digital information about the people places and events that have shaped the Altadena community.
- Where is Altadena Historical Society located?
- Altadena Historical Society is located at 730 East Altadena Drive, Altadena, CA, 91001.
- When was Altadena Historical Society founded or recognised by the IRS?
- Altadena Historical Society was recognised by the IRS as a tax-exempt organisation in January 1998. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Altadena Historical Society's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Altadena Historical Society reported $438K in total revenue and $36K in total expenses.
- Has Altadena Historical Society been auto-revoked by the IRS?
- No. Altadena Historical Society (EIN 23-7372694) 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.
- Is Altadena Historical Society listed in IRS Publication 78?
- Yes. Altadena Historical Society 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.
