- Is Historical Society of Southern California a tax-exempt 501(c)(3)?
- Yes. Historical Society of Southern California is recognised by the IRS as a 501(c)(3) organisation (EIN 95-6006121). The IRS recognised Historical Society of Southern California as tax-exempt in September 1948.
- What is Historical Society of Southern California's EIN?
- Historical Society of Southern California's Employer Identification Number (EIN) is 95-6006121. The EIN was assigned by the IRS in September 1948. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Historical Society of Southern California do?
- The Historical Society of Southern California (HSSC) seeks to connect people to (cont. Sch. O) (continued) their past and to the places they live by combining inclusive historical scholarship and community engagement to explore and disseminate the complex multicultural…
- Where is Historical Society of Southern California located?
- Historical Society of Southern California is located at 5737 Kanan RD 656, Agoura Hills, CA, 91301.
- When was Historical Society of Southern California founded or recognised by the IRS?
- Historical Society of Southern California was recognised by the IRS as a tax-exempt organisation in September 1948. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Historical Society of Southern California's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Historical Society of Southern California reported $337K in total revenue and $89K in total expenses.
- Has Historical Society of Southern California been auto-revoked by the IRS?
- No. Historical Society of Southern California (EIN 95-6006121) 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 Historical Society of Southern California listed in IRS Publication 78?
- Yes. Historical Society of Southern California 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.