Fiscal year ending 2024. Filed on September 14, 2025.
PO Box 202
Brentwood, California 94513
East ContraCosta Historical Society (EIN: 68-0012962) has filed an IRS Form 990 between fiscal years 2016 and 2024. In its fiscal year 2024 IRS Form 990 filing, East ContraCosta Historical Society, a 501(c)(3) charitable organization, reported compensation for 0 out of 0 total employees.
Revenue
Expenses
Employee compensation
No compensated employees were reported for this year (employee data available for 2023, 2022, 2021, 2020, 2018, 2017, 2016).
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