Fiscal year ending 2025. Filed on November 17, 2025.
1236 Los Trancos Rd
Portola Valley, California 94028
Costello Family Foundation Inc (EIN: 82-0464641) has filed an IRS Form 990 since fiscal year 2021. In its fiscal year 2025 IRS Form 990 filing, Costello Family Foundation Inc, a 501(c)(3) charitable organization, reported compensation for 3 employees. Among the employees shown here, the average compensation is $0.
Revenue
Expenses
Employee compensation
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